602 FNUS53 KGRR 291755 FWFGRR Fire Weather Planning Forecast for Southwest Lower Michigan National Weather Service Grand Rapids MI 155 PM EDT Mon Jun 29 2026 ...Heat and Humidity Next Few Days... .DISCUSSION... Extreme heat and high humidity are expected the next few days, along with a bit of a southwest breeze. Chances for a thunderstorm will be mainly north of US-10 on Tuesday, but eventually the threat will migrate farther south later in the week. MIZ037>039-043>045-300815- Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 155 PM EDT Mon Jun 29 2026 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent). Min temperature.....69-74. 24 hr trend......8 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 6 to 11 mph and gusty. Mixing height.......Near Lake Michigan, 1800-2300 ft AGL. Inland, 4000-4500 ft AGL decreasing to 300-800 ft AGL after midnight. Transport winds.....Southwest around 15 mph. Smoke dispersal.....960 (excellent) decreasing to 100 (poor) after midnight. Pcpn Amount.........None. .TUESDAY... Sky/weather.........Mostly sunny (30-40 percent). Max temperature.....89-94. 24 hr trend......Unchanged. Min humidity........50-55 percent. 24 hr trend......1 percent drier. 20-foot winds.......Southwest winds 9 to 14 mph with gusts to around 26 mph. Mixing height.......1400-1900 ft AGL near Lake Michigan and 3300-3800 ft AGL Inland. Transport winds.....Southwest 15 to 20 mph. Smoke dispersal.....520-930 (good to excellent). Pcpn Amount.........None. .TUESDAY NIGHT... Sky/weather.........Mostly clear (10-20 percent). Min temperature.....68-73. 24 hr trend......1 degree cooler. Max humidity........92-97 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 8 to 13 mph with gusts to around 26 mph. Mixing height.......Near Lake Michigan, 1000-1500 ft AGL. Inland, 2800-3300 ft AGL decreasing to 200-700 ft AGL after midnight. Transport winds.....Southwest around 15 mph. Smoke dispersal.....870 (excellent) decreasing to 100 (poor) after midnight. Pcpn Amount.........none to 0.03 in. .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent). Chance of showers until 8 AM. Chance of pcpn......30 percent early in the morning. Max temperature.....89-94. 24 hr trend......Unchanged. Min humidity........44-49 percent. 24 hr trend......6 percent drier. 20-foot winds.......Southwest winds 8 to 13 mph with higher gusts. Mixing height.......1600-2100 ft AGL near Lake Michigan and 4300-4800 ft AGL Inland. Transport winds.....Southwest 10 to 15 mph. Smoke dispersal.....440 (good) increasing to 1030 (excellent) in the afternoon. Pcpn Amount.........none to 0.02 in. $$ MIZ040-046-300815- Clare-Isabella- Including the cities of Clare and Mount Pleasant 155 PM EDT Mon Jun 29 2026 .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent). Min temperature.....Around 72. 24 hr trend......10 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 5 to 9 mph. Mixing height.......4500-5000 ft AGL decreasing to 200-700 ft AGL after midnight. Transport winds.....Southwest around 15 mph. Smoke dispersal.....920 (excellent) decreasing to 90 (poor) after midnight. Pcpn Amount.........None. .TUESDAY... Sky/weather.........Mostly sunny (30-40 percent). Max temperature.....Around 94. 24 hr trend......3 degrees warmer. Min humidity........49-54 percent. 24 hr trend......7 percent drier. 20-foot winds.......Southwest winds 9 to 14 mph. Gusts up to 24 mph in the afternoon. Mixing height.......4300-4800 ft AGL. Transport winds.....Southwest 15 to 20 mph. Smoke dispersal.....640-1090 (excellent). Pcpn Amount.........None. .TUESDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....Around 73. 24 hr trend......1 degree cooler. Max humidity........87-92 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 7 to 12 mph and gusty. Mixing height.......3500-4000 ft AGL decreasing to 300-800 ft AGL after midnight. Transport winds.....Southwest around 15 mph. Smoke dispersal.....930 (excellent) decreasing to 100 (poor) after midnight. Pcpn Amount.........None. .WEDNESDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....Around 95. 24 hr trend......1 degree warmer. Min humidity........43-48 percent. 24 hr trend......6 percent drier. 20-foot winds.......Southwest winds 8 to 13 mph. Gusts up to 23 mph in the afternoon. Mixing height.......2800-3300 ft AGL increasing to 5500-6000 ft AGL in the afternoon. Transport winds.....West 15 to 20 mph. Smoke dispersal.....510 (good) increasing to 1160 (excellent) in the afternoon. Pcpn Amount.........None. $$ MIZ050-056-064-071-300815- Muskegon-Ottawa-Allegan-Van Buren- Including the cities of Muskegon, Grand Haven, Jenison, Holland, and South Haven 155 PM EDT Mon Jun 29 2026 .TONIGHT... Sky/weather.........Mostly clear (20-30 percent). Min temperature.....68-73. 24 hr trend......7 degrees warmer. Max humidity........90-95 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 6 to 11 mph. Gusts up to 20 mph in the evening. Mixing height.......Near Lake Michigan, 1500-2000 ft AGL. Inland, 4100-4600 ft AGL decreasing to 200-700 ft AGL after midnight. Transport winds.....South around 15 mph. Smoke dispersal.....880 (excellent) decreasing to 90 (poor) after midnight. Pcpn Amount.........None. .TUESDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....90-95. 24 hr trend......1 degree warmer. Min humidity........50-55 percent. 24 hr trend......2 percent drier. 20-foot winds.......Southwest winds 9 to 14 mph with gusts to around 26 mph. Mixing height.......1100-1600 ft AGL near Lake Michigan and 4100-4600 ft AGL Inland. Transport winds.....Southwest 15 to 20 mph. Smoke dispersal.....540-1030 (good to excellent). Pcpn Amount.........None. .TUESDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....68-73. 24 hr trend......Unchanged. Max humidity........86-91 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 7 to 12 mph and gusty. Mixing height.......Near Lake Michigan, 1000-1500 ft AGL. Inland, 3600-4100 ft AGL decreasing to 100-600 ft AGL after midnight. Transport winds.....Southwest around 15 mph. Smoke dispersal.....900 (excellent) decreasing to 80 (poor) after midnight. Pcpn Amount.........None. .WEDNESDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....91-96. 24 hr trend......1 degree warmer. Min humidity........42-47 percent. 24 hr trend......10 percent drier. 20-foot winds.......Southwest winds 8 to 13 mph. Gusts up to 23 mph in the afternoon. Mixing height.......Near Lake Michigan, 1700-2200 ft AGL. Inland, 2300-2800 ft AGL increasing to 4900-5400 ft AGL in the afternoon. Transport winds.....Southwest around 15 mph. Smoke dispersal.....440-900 (good to excellent). Pcpn Amount.........None. $$ MIZ051-052-057>059-300815- Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 155 PM EDT Mon Jun 29 2026 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent). Min temperature.....Around 75. 24 hr trend......10 degrees warmer. Max humidity........94-99 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 7 to 12 mph. Gusts up to 21 mph in the evening. Mixing height.......4700-5200 ft AGL decreasing to 200-700 ft AGL after midnight. Transport winds.....South around 15 mph. Smoke dispersal.....950 (excellent) decreasing to 90 (poor) after midnight. Pcpn Amount.........None. .TUESDAY... Sky/weather.........Mostly sunny (20-30 percent). Max temperature.....92-97. 24 hr trend......2 degrees warmer. Min humidity........48-53 percent. 24 hr trend......7 percent drier. 20-foot winds.......Southwest winds 12 to 17 mph with gusts to around 28 mph. Mixing height.......4700-5200 ft AGL. Transport winds.....Southwest around 15 mph increasing to around 25 mph in the afternoon. Smoke dispersal.....640-1120 (excellent). Pcpn Amount.........None. .TUESDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....Around 75. 24 hr trend......1 degree warmer. Max humidity........84-89 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 10 to 15 mph with gusts to around 26 mph. Mixing height.......4300-4800 ft AGL decreasing to 200-700 ft AGL after midnight. Transport winds.....Southwest around 15 mph. Smoke dispersal.....930 (excellent) decreasing to 110 (poor) after midnight. Pcpn Amount.........None. .WEDNESDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....92-97. 24 hr trend......Unchanged. Min humidity........41-46 percent. 24 hr trend......6 percent drier. 20-foot winds.......Southwest winds 11 to 16 mph with gusts to around 27 mph. Mixing height.......2700-3200 ft AGL increasing to 4800-5300 ft AGL in the afternoon. Transport winds.....West 15 to 20 mph. Smoke dispersal.....530-1060 (good to excellent). Pcpn Amount.........None. $$ MIZ065>067-072>074-300815- Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson- Including the cities of Hastings, Charlotte, Lansing, Kalamazoo, Battle Creek, and Jackson 155 PM EDT Mon Jun 29 2026 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent). Min temperature.....Around 74. 24 hr trend......9 degrees warmer. Max humidity........95-100 percent. 24 hr trend......Unchanged. 20-foot winds.......South winds 5 to 10 mph. Mixing height.......4600-5100 ft AGL decreasing to 200-700 ft AGL after midnight. Transport winds.....South around 15 mph. Smoke dispersal.....870 (excellent) decreasing to 80 (poor) after midnight. Pcpn Amount.........None. .TUESDAY... Sky/weather.........Sunny (15-25 percent). Max temperature.....92-97. 24 hr trend......3 degrees warmer. Min humidity........47-52 percent. 24 hr trend......5 percent drier. 20-foot winds.......Southwest winds 8 to 13 mph. Gusts up to 24 mph in the afternoon. Mixing height.......4700-5200 ft AGL. Transport winds.....Southwest 15 to 20 mph. Smoke dispersal.....590-1150 (good to excellent). Pcpn Amount.........None. .TUESDAY NIGHT... Sky/weather.........Clear (0-10 percent). Min temperature.....Around 75. 24 hr trend......1 degree warmer. Max humidity........91-96 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds 7 to 12 mph and gusty. Mixing height.......4200-4700 ft AGL decreasing to 100-600 ft AGL after midnight. Transport winds.....Southwest around 15 mph. Smoke dispersal.....1000 (excellent) decreasing to 80 (poor) after midnight. Pcpn Amount.........None. .WEDNESDAY... Sky/weather.........Sunny (0-10 percent). Max temperature.....94-99. 24 hr trend......1 degree warmer. Min humidity........41-46 percent. 24 hr trend......8 percent drier. 20-foot winds.......Southwest winds 8 to 13 mph. Gusts up to 22 mph in the afternoon. Mixing height.......2300-2800 ft AGL increasing to 4900-5400 ft AGL in the afternoon. Transport winds.....West around 15 mph. Smoke dispersal.....480-960 (good to excellent). Pcpn Amount.........None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 70s. Southwest winds 6 to 11 mph. .THURSDAY...Sunny. Highs in the lower 90s. Southwest winds 8 to 13 mph. .THURSDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows around 70. Southwest winds 6 to 11 mph. .FRIDAY...Mostly sunny with a chance of showers. Highs in the lower 90s. Southwest winds 5 to 10 mph. .FRIDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 5 to 9 mph. .INDEPENDENCE DAY...Mostly sunny with a chance of showers. Highs in the upper 80s. West winds 5 to 9 mph. .SATURDAY NIGHT...Partly cloudy with a chance of showers. Lows in the mid 60s. .SUNDAY...Partly sunny with a chance of showers. Highs in the upper 80s. .SUNDAY NIGHT...Partly cloudy with a chance of showers. Lows in the mid 60s. .MONDAY...Mostly sunny. Chance of showers. Highs in the mid 80s. $$