497 FPUS51 KBUF 291830 ZFPBUF Zone Forecasts for Western New York National Weather Service Buffalo NY 230 PM EDT Mon Jun 29 2026 NYZ001-300200- Niagara- Including the city of Niagara Falls 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Mostly sunny. Highs ranging from the lower 80s along the Lake Ontario shore to the upper 80s inland. East winds 10 mph or less. .TONIGHT...Partly cloudy. Very warm with lows in the lower 70s. Light winds. .TUESDAY...Partly sunny with a chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Hot with highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of rain 30 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the mid 70s. Southwest winds 10 to 15 mph, diminishing to 5 to 10 mph. .WEDNESDAY...Sunny, hot with highs in the lower 90s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs in the mid 90s. .THURSDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the mid 70s. .FRIDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the lower 90s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs around 90. .SATURDAY NIGHT...Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 30 percent. $$ NYZ010-300200- Northern Erie- Including the city of Buffalo 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Mostly sunny. Highs in the upper 80s. Light winds. .TONIGHT...Becoming mainly clear. Very warm with lows in the lower 70s. Light winds. .TUESDAY...Partly to mostly sunny. Hot with highs ranging from the mid 80s along the Lake Erie shore to the lower 90s inland. Southwest winds 10 to 15 mph. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the mid 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Sunny, hot with highs ranging from the mid 80s along the Lake Erie shore to the lower 90s inland. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the lower 70s. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the lower 70s. .FRIDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the mid 80s. .SATURDAY NIGHT...Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ002-300200- Orleans- Including the city of Medina 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Mostly sunny. Highs ranging from around 80 along the Lake Ontario shore to the upper 80s inland. East winds 10 mph or less. .TONIGHT...Partly cloudy. Very warm with lows in the lower 70s. Light winds. .TUESDAY...Partly sunny with a chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Hot with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 30 percent. Heat index values up to 105. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the upper 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Hot with highs in the mid 90s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs in the mid 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the lower 90s. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs around 90. .SATURDAY NIGHT...Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the upper 80s. $$ NYZ011-300200- Genesee- Including the city of Batavia 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Mostly sunny. Highs in the upper 80s. Light winds. .TONIGHT...Becoming mainly clear. Very warm with lows in the lower 70s. Light winds. .TUESDAY...Partly sunny with a chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Hot with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 30 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the upper 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Hot with highs in the lower 90s. Southwest winds 10 to 15 mph, becoming west. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs around 90. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ085-300200- Southern Erie- Including the cities of Orchard Park and Springville 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... .THIS AFTERNOON...Mostly sunny. Highs in the mid 80s. Light winds. .TONIGHT...Becoming mainly clear. Very warm and muggy with lows ranging from the upper 60s inland to the lower 70s along the Lake Erie shore. Light winds. .TUESDAY...Partly to mostly sunny. Very warm and humid with highs ranging from the mid 80s along the Lake Erie shore to the upper 80s inland. South winds around 10 mph, becoming southwest. Heat index values in the upper 90s. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the mid 70s. Light winds, becoming southwest 5 to 10 mph. .WEDNESDAY...Sunny. Very warm and humid with highs ranging from the mid 80s along the Lake Erie shore to around 90 inland. Southwest winds 10 mph or less, becoming west. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs around 90. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows around 70. .INDEPENDENCE DAY...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 60 percent. .SATURDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ012-300200- Wyoming- Including the city of Warsaw 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... .THIS AFTERNOON...Mostly sunny. Highs ranging from the lower 80s on the hilltops to the mid 80s across the lower elevations. Light southeast winds. .TONIGHT...Becoming mainly clear. Warm with lows in the upper 60s. Light winds, becoming south around 10 mph. .TUESDAY...Partly to mostly sunny. Very warm and humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Heat index values in the upper 90s. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the mid 70s. Southwest winds 10 mph or less, increasing to 10 to 15 mph. .WEDNESDAY...Sunny, hot with highs in the lower 90s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows around 70. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the mid 80s. .SATURDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 60s. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the lower 80s. $$ NYZ019-300200- Chautauqua- Including the city of Jamestown 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... .THIS AFTERNOON...Mostly sunny. Highs ranging from the lower 80s along the Lake Erie shore to the mid 80s inland. Light southeast winds. .TONIGHT...Becoming mainly clear. Very warm and muggy with lows ranging from the upper 60s in interior valleys to the mid 70s along the Lake Erie shore. Light winds, becoming south 5 to 10 mph. .TUESDAY...Mostly sunny. Hot with highs ranging from the upper 80s along the Lake Erie shore to the lower 90s inland. South winds 5 to 10 mph, becoming southwest. Heat index values in the upper 90s. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows ranging from the lower 70s in interior valleys to the upper 70s along the Lake Erie shore. Light winds, becoming southwest 5 to 10 mph. .WEDNESDAY...Sunny, hot with highs ranging from the upper 80s along the Lake Erie shore to the lower 90s inland. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the lower 70s. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the lower 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows around 70. .INDEPENDENCE DAY...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ020-300200- Cattaraugus- Including the city of Olean 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... .THIS AFTERNOON...Mostly sunny. Highs ranging from the lower 80s on the hilltops to the mid 80s across the lower elevations. Light south winds. .TONIGHT...Becoming mainly clear. Warm with lows in the upper 60s. Light south winds. .TUESDAY...Partly to mostly sunny. Very warm and humid with highs in the upper 80s. Light winds, becoming southwest around 10 mph. Heat index values in the mid 90s. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the lower 70s. Light winds. .WEDNESDAY...Sunny, hot with highs in the lower 90s. Light winds, becoming west around 10 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the lower 70s. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Mainly clear. Lows in the lower 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .INDEPENDENCE DAY...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 60s. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ021-300200- Allegany- Including the city of Wellsville 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... .THIS AFTERNOON...Mostly sunny. Highs ranging from around 80 on the hilltops to the mid 80s across the lower elevations. Light southeast winds. .TONIGHT...Partly cloudy and warm with lows in the mid 60s. Light south winds. .TUESDAY...Mostly sunny. Very warm and humid with highs ranging from the mid 80s on the hilltops to the lower 90s across the lower elevations. Southwest winds 10 mph or less. Heat index values in the mid 90s. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the lower 70s. Southwest winds 10 mph or less. .WEDNESDAY...Mostly sunny. Hot with highs ranging from around 90 on the hilltops to the mid 90s across the lower elevations. West winds 10 mph or less. .WEDNESDAY NIGHT...Mainly clear. Lows in the lower 70s. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Mainly clear. Lows in the lower 70s. .FRIDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .INDEPENDENCE DAY...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 60 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 60 percent. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ013-300200- Livingston- Including the city of Geneseo 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Mostly sunny. Highs ranging from the lower 80s on the hilltops to the upper 80s across the lower elevations. Light winds. .TONIGHT...Becoming mainly clear. Very warm with lows around 70. Light south winds. .TUESDAY...Partly sunny with a chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Hot with highs ranging from the upper 80s on the hilltops to the lower 90s across the lower elevations. Southwest winds around 10 mph. Chance of rain 30 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the mid 70s. Southwest winds 10 mph or less. .WEDNESDAY...Partly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs in the mid 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. .FRIDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the lower 90s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ014-300200- Ontario- Including the city of Canandaigua 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Mostly sunny. Highs ranging from the lower 80s on the hilltops to the upper 80s across the lower elevations. Light east winds. .TONIGHT...Becoming mainly clear. Very warm with lows in the lower 70s. Light south winds. .TUESDAY...Partly to mostly sunny. A 40 percent chance of showers and thunderstorms. Hot with highs ranging from the mid 80s on the hilltops to the lower 90s across the lower elevations. Southwest winds 10 mph or less. Heat index values up to 100. .TUESDAY NIGHT...Partly to mostly cloudy. Very warm and muggy with lows in the mid 70s. Light winds, becoming southwest around 10 mph. .WEDNESDAY...Partly to mostly sunny. A 30 percent chance of showers and thunderstorms. Hot with highs ranging from the upper 80s on the hilltops to the mid 90s across the lower elevations. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs in the mid 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. .FRIDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the lower 90s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Showers likely with a chance of thunderstorms. Highs in the upper 80s. Chance of rain 60 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 60 percent. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ003-300200- Monroe- Including the city of Rochester 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Mostly sunny. Highs ranging from the lower 80s along the Lake Ontario shore to the upper 80s inland. Light east winds. .TONIGHT...Partly cloudy. Very warm with lows in the lower 70s. Light winds. .TUESDAY...Partly sunny with a 30 percent chance of showers and thunderstorms. Hot with highs in the lower 90s. Light winds, becoming southwest 5 to 10 mph. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy. Very warm and muggy with lows in the upper 70s. Southwest winds 10 mph or less. .WEDNESDAY...Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph. .WEDNESDAY NIGHT...Mainly clear. Lows in the upper 70s. .THURSDAY...Sunny. Highs in the upper 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the lower 90s. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs around 90. .SATURDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows around 70. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. $$ NYZ004-300200- Wayne- Including the city of Newark 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Sunny. Highs ranging from the lower 80s along the Lake Ontario shore to the upper 80s inland. Light winds. .TONIGHT...Partly cloudy. Very warm with lows around 70. Light winds. .TUESDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Hot with highs ranging from the upper 80s along the Lake Ontario shore to the lower 90s inland. Light winds. Heat index values up to 100. .TUESDAY NIGHT...Partly to mostly cloudy. Very warm and muggy with lows in the mid 70s. Southwest winds 10 mph or less. .WEDNESDAY...Partly sunny with a 30 percent chance of showers and thunderstorms. Hot with highs ranging from the lower 90s along the Lake Ontario shore to the mid 90s inland. Southwest winds 10 mph or less, becoming west. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs in the upper 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the lower 90s. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. $$ NYZ005-300200- Northern Cayuga- Including the city of Fair Haven 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Sunny. Highs ranging from the lower 80s along the Lake Ontario shore to the upper 80s inland. Light northeast winds. .TONIGHT...Partly cloudy and warmer with lows in the upper 60s. Light winds. .TUESDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Hot with highs in the lower 90s. Southwest winds 10 mph or less. Heat index values in the upper 90s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms overnight. Very warm and muggy with lows in the mid 70s. Light winds. Chance of rain 30 percent. .WEDNESDAY...Partly sunny. A chance of showers and thunderstorms in the morning. Hot with highs ranging from the upper 80s along the Lake Ontario shore to the mid 90s inland. Light winds. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mainly clear. Lows in the mid 70s. .THURSDAY...Sunny. Highs in the mid 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 70s. .FRIDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs around 90. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 70s. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .SUNDAY...Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ006-300200- Oswego- Including the city of Oswego 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... .THIS AFTERNOON...Sunny. Highs ranging from the lower 80s along the Lake Ontario shore to the mid 80s inland. Light winds. .TONIGHT...Partly cloudy and warmer with lows in the upper 60s. Light winds. .TUESDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Very warm and humid with highs ranging from the mid 80s on the Tug Hill to the upper 80s across the lower elevations. Light winds. Heat index values in the upper 90s. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Locally heavy rainfall possible overnight. Very warm and muggy with lows in the lower 70s. Light winds. .WEDNESDAY...Partly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs ranging from the upper 80s along the Lake Ontario shore to the lower 90s inland. Light winds, becoming west around 10 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the lower 70s. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 30 percent. .FRIDAY...Partly sunny. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the mid 80s. .SATURDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 60s. .SUNDAY...Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the mid 80s. $$ NYZ007-300200- Jefferson- Including the city of Watertown 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... .THIS AFTERNOON...Sunny. Highs ranging from the lower 80s on the Tug Hill to the mid 80s across the lower elevations. Light winds. .TONIGHT...Partly cloudy and warmer with lows in the upper 60s. Light southeast winds. .TUESDAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Humid with highs in the mid 80s. Southwest winds 10 mph or less. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Very warm and muggy with lows in the lower 70s. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly sunny. Very warm and humid with highs ranging from the mid 80s along the Lake Ontario shore to the upper 80s inland. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. .THURSDAY...Sunny. Highs around 90. .THURSDAY NIGHT...Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows around 70. .FRIDAY...Partly sunny. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .INDEPENDENCE DAY...Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the mid 80s. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 60s. .SUNDAY...Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 30 percent. $$ NYZ008-300200- Lewis- Including the city of Lowville 230 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... .THIS AFTERNOON...Sunny. Highs ranging from around 80 on the hilltops to the mid 80s across the lower elevations. Light winds. .TONIGHT...Mainly clear in the evening, then becoming partly cloudy. Warmer with lows in the lower 60s. Light southeast winds. .TUESDAY...Partly sunny in the morning, then becoming mostly cloudy. A 50 percent chance of showers and thunderstorms. Highs ranging from the lower 80s on the hilltops to the upper 80s across the lower elevations. Light winds, becoming southwest around 10 mph. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Very warm and muggy with lows in the lower 70s. Southwest winds 10 mph or less. .WEDNESDAY...Partly sunny with a chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Very warm and humid with highs ranging from the mid 80s on the hilltops to the lower 90s across the lower elevations. Southwest winds 10 mph or less, becoming west. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 70s. .THURSDAY...Sunny. Highs around 90. .THURSDAY NIGHT...Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 60s. .FRIDAY...Partly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 60s. .INDEPENDENCE DAY...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 60 percent. .SATURDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 60 percent. .SUNDAY...Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the lower 80s. $$