487 FNUS55 KPSR 281903 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1203 PM MST Sat Feb 28 2026 .DISCUSSION... Dry conditions with well-above normal temperatures will prevail into early next week with near record warmth persisting during the next couple of days. Afternoon MinRH values will be in the teens today to as low as 10-13% starting Sunday, while overnight recoveries will remain fair to good at 30-60%. Winds will remain fairly light today with only localized afternoon upslope gustiness before increasing with more widespread gustiness by Monday. Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-010715- West Central Deserts/Northwest Maricopa County/Greater Phoenix Area/Southwest Deserts/Southwest Maricopa County/ Northwest and North-Central Pinal County- Phoenix BLM/YUM BLM/CAZ-CRZ- 1203 PM MST Sat Feb 28 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................57-67. * 24 hr trend..................Little change. * Max Humidity....................31-48 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming south after midnight. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................89-95. * 24 hr trend..................Little change. * Min Humidity....................11-15 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......5700 ft AGL. * Transport Wind for Phoenix......West 8 knots. * Dispersion for Phoenix..........Good. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................57-67. * 24 hr trend..................Little change. * Max Humidity....................28-41 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................84-91. * 24 hr trend..................4 degrees cooler. * Min Humidity....................10-14 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 30 to 40 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......6700 ft AGL. * Transport Wind for Phoenix......West 18 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .TUESDAY...Clear. Lows 50-60. Highs 79-86. Northwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 50-60. Highs 81-87. Northwest winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 50-60. Highs 77-84. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 49-59. Highs 73-80. .SATURDAY...Mostly clear. Lows 49-59. Highs 74-80. $$ AZZ131-CAZ231-010715- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1203 PM MST Sat Feb 28 2026 /1103 AM PST Sat Feb 28 2026/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................56-64. * 24 hr trend..................Little change. * Max Humidity....................39-58 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................91-96. * 24 hr trend..................Little change. * Min Humidity....................11-15 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........5500 ft AGL. * Transport Wind for Yuma.........West 9 knots. * Dispersion for Yuma.............Good. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................56-63. * 24 hr trend..................Little change. * Max Humidity....................38-51 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................85-90. * 24 hr trend..................6 degrees cooler. * Min Humidity....................10-14 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 30 to 40 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........4000 ft AGL. * Transport Wind for Yuma.........West 21 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .TUESDAY...Clear. Lows 49-57. Highs 82-87. Northwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 49-57. Highs 83-88. Northwest winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 50-57. Highs 80-85. Northwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 50-56. Highs 77-82. .SATURDAY...Mostly clear. Lows 49-56. Highs 76-81. $$ AZZ133-010715- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1203 PM MST Sat Feb 28 2026 .TONIGHT... * Sky/weather.....................Partly cloudy in the evening becoming clear after midnight. * Min Temperature.................48-61. * 24 hr trend..................Little change. * Max Humidity....................36-55 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Northwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................75-89. * 24 hr trend..................Little change. * Min Humidity....................13-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................48-61. * 24 hr trend..................Little change. * Max Humidity....................30-45 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................72-86. * 24 hr trend..................Little change. * Min Humidity....................13-17 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Southwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Clear. Lows 40-56. Highs 67-80. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 40-55. Highs 68-81. East winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 38-55. Highs 66-78. Southwest winds 10 to 20 mph. .FRIDAY...Mostly clear. Lows 37-52. Highs 60-74. .SATURDAY...Mostly clear. Lows 37-52. Highs 61-76. $$ CAZ232-010715- Imperial County And Eastern Riverside County- 1103 AM PST Sat Feb 28 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................60-68. * 24 hr trend..................Little change. * Max Humidity....................29-52 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................87-96. * 24 hr trend..................Little change. * Min Humidity....................11-15 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................60-66. * 24 hr trend..................Little change. * Max Humidity....................33-53 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 20 to 30 mph in the evening becoming 30 to 40 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................80-89. * 24 hr trend..................7 degrees cooler. * Min Humidity....................11-16 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the morning becoming 10 to 20 mph in the afternoon. * Winds...10000 FT MSL............West 30 to 40 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Clear. Lows 53-61. Highs 77-86. Northwest winds 10 to 20 mph. .WEDNESDAY...Clear. Lows 53-61. Highs 79-88. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 53-61. Highs 75-85. Northwest winds 15 to 25 mph. .FRIDAY...Mostly clear. Lows 53-60. Highs 72-82. .SATURDAY...Mostly clear. Lows 52-59. Highs 73-81. $$ CAZ230-010715- Joshua Tree National Park- 1103 AM PST Sat Feb 28 2026 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................55-63. * 24 hr trend..................Little change. * Max Humidity....................29-39 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................76-91. * 24 hr trend..................Little change. * Min Humidity....................11-17 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................53-63. * 24 hr trend..................Little change. * Max Humidity....................31-43 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Partly sunny in the morning becoming sunny in the afternoon. * Max Temperature.................67-83. * 24 hr trend..................9 degrees cooler. * Min Humidity....................11-19 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Clear. Lows 46-57. Highs 66-79. Northwest winds 10 to 20 mph. .WEDNESDAY...Clear. Lows 46-56. Highs 69-82. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 45-55. Highs 63-76. Northwest winds 15 to 25 mph. .FRIDAY...Mostly clear. Lows 44-54. Highs 61-74. .SATURDAY...Mostly clear. Lows 44-54. Highs 61-75. $$ .8 TO 10 DAY OUTLOOK...Sunday March 8th through Tuesday March 10th: Above normal temperatures and above median precipitation.