Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
796 FNUS55 KPSR 251921 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1221 PM MST Fri Sep 25 2026 .DISCUSSION... Much drier air settling into the region will result in quiet weather and near zero rain chances through Saturday along with near to slightly above normal temperatures. Rain chances will increase once again starting Sunday as moisture levels increase. MinRHs today will bottom out between 25-45% across the eastern districts and 15-25% across the western districts before dropping further to 15-25% in most areas on Saturday. By Sunday, MinRHs increase to above 20% area wide. Winds will generally follow the typical diurnal tendencies with limited to no afternoon gusts. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-260730- 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- 1221 PM MST Fri Sep 25 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................71-81. * 24 hr trend..................Little change. * Max Humidity....................44-65 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..Light and variable in the evening becoming mostly downslope/downvalley after midnight. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................94-101. * 24 hr trend..................Little change. * Min Humidity....................18-23 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............South 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......10200 ft AGL. * Transport Wind for Phoenix......South 3 knots. * Dispersion for Phoenix..........Fair. .SATURDAY NIGHT... * Sky/weather.....................Partly cloudy in the evening becoming mostly cloudy after midnight. * Min Temperature.................74-84. * 24 hr trend..................3 degrees warmer. * Max Humidity....................36-51 pct. * 24 hr trend..................12 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the evening becoming southeast after midnight. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly cloudy. Slight chance of showers in the afternoon. * Max Temperature.................90-97. * 24 hr trend..................4 degrees cooler. * Min Humidity....................23-29 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. * Mixing Height for Phoenix.......3300 ft AGL. * Transport Wind for Phoenix......North 5 knots. * Dispersion for Phoenix..........Poor. .EXTENDED... .MONDAY...Not as warm. Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows 63-76. Highs 82-90. East winds 5 to 15 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 63-73. Highs 82-90. Northwest winds 5 to 15 mph. .WEDNESDAY...Clear. Lows 63-73. Highs 86-95. Northeast winds 5 to 10 mph. .THURSDAY...Clear. Lows 65-75. Highs 90-98. .FRIDAY...Mostly clear. Lows 68-78. Highs 92-99. $$ AZZ131-CAZ231-260730- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1221 PM MST Fri Sep 25 2026 /1221 PM PDT Fri Sep 25 2026/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................72-77. * 24 hr trend..................Little change. * Max Humidity....................45-58 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................99-104. * 24 hr trend..................Little change. * Min Humidity....................16-20 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Light and variable in the morning becoming south 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........10600 ft AGL. * Transport Wind for Yuma.........South 8 knots. * Dispersion for Yuma.............Very good. .SATURDAY NIGHT... * Sky/weather.....................Partly cloudy in the evening becoming mostly cloudy after midnight. * Min Temperature.................76-81. * 24 hr trend..................4 degrees warmer. * Max Humidity....................36-48 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph in the evening becoming 15 to 25 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly cloudy. Slight chance of showers in the afternoon. * Max Temperature.................93-98. * 24 hr trend..................6 degrees cooler. * Min Humidity....................22-28 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. * Mixing Height for Yuma..........8500 ft AGL. * Transport Wind for Yuma.........South 10 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 63-78. Highs 87-93. Southwest winds 10 to 20 mph. .TUESDAY...Mostly clear with slight chance of showers. Lows 63-71. Highs 89-94. Northwest winds 10 to 20 mph. .WEDNESDAY...Clear. Lows 64-72. Highs 94-99. North winds 5 to 10 mph. .THURSDAY...Clear. Lows 66-75. Highs 96-101. .FRIDAY...Mostly clear. Lows 68-75. Highs 97-102. $$ AZZ133-260730- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1221 PM MST Fri Sep 25 2026 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................55-72. * 24 hr trend..................Little change. * Max Humidity....................60-84 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Southeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................79-95. * 24 hr trend..................3 degrees warmer. * Min Humidity....................21-30 pct. * 24 hr trend..................13 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Light and variable in the morning becoming south 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY NIGHT... * Sky/weather.....................Partly cloudy in the evening becoming mostly cloudy after midnight. * Min Temperature.................58-74. * 24 hr trend..................Little change. * Max Humidity....................45-66 pct. * 24 hr trend..................17 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .SUNDAY... * Sky/weather.....................Mostly cloudy. * Max Temperature.................77-92. * 24 hr trend..................3 degrees cooler. * Min Humidity....................25-37 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .EXTENDED... .MONDAY...Mostly cloudy with chance of showers and thunderstorms. Lows 55-72. Highs 71-85. East winds 5 to 15 mph. .TUESDAY...Showers and chance of thunderstorms. Lows 50-67. Highs 67-81. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 50-66. Highs 70-85. North winds 5 to 10 mph. .THURSDAY...Clear. Lows 50-69. Highs 75-89. .FRIDAY...Mostly clear. Lows 54-70. Highs 77-91. $$ CAZ232-260730- Imperial County And Eastern Riverside County- 1221 PM PDT Fri Sep 25 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................74-81. * 24 hr trend..................Little change. * Max Humidity....................37-57 pct. * 24 hr trend..................14 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................93-104. * 24 hr trend..................Little change. * Min Humidity....................15-23 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY NIGHT... * Sky/weather.....................Partly cloudy in the evening becoming mostly cloudy after midnight. * Min Temperature.................77-83. * 24 hr trend..................3 degrees warmer. * Max Humidity....................29-45 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming west after midnight. * Winds...10000 FT MSL............South 5 to 15 mph in the evening becoming 15 to 25 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Partly sunny. Slight chance of showers in the afternoon. * Max Temperature.................88-98. * 24 hr trend..................5 degrees cooler. * Min Humidity....................19-27 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .EXTENDED... .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 65-77. Highs 82-93. Southwest winds 10 to 20 mph. .TUESDAY...Mostly clear. Lows 65-74. Highs 84-95. Northwest winds 10 to 20 mph. .WEDNESDAY...Clear. Lows 67-75. Highs 89-99. Northwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 68-76. Highs 91-101. .FRIDAY...Mostly clear. Lows 70-76. Highs 91-101. $$ CAZ230-260730- Joshua Tree National Park- 1221 PM PDT Fri Sep 25 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................64-75. * 24 hr trend..................Little change. * Max Humidity....................37-46 pct. * 24 hr trend..................20 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming south 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................82-96. * 24 hr trend..................Little change. * Min Humidity....................18-25 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the morning becoming south 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY NIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................65-77. * 24 hr trend..................Little change. * Max Humidity....................31-38 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph in the evening becoming 20 to 30 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................77-91. * 24 hr trend..................5 degrees cooler. * Min Humidity....................22-29 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .EXTENDED... .MONDAY...Partly cloudy with chance of showers. Lows 56-70. Highs 71-84. Southwest winds 5 to 15 mph. .TUESDAY...Mostly clear with slight chance of showers. Lows 56-68. Highs 73-86. Northwest winds 15 to 25 mph. .WEDNESDAY...Clear. Lows 59-70. Highs 80-92. Northwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 61-71. Highs 81-94. .FRIDAY...Mostly clear. Lows 61-71. Highs 80-93. $$ .8 TO 10 DAY OUTLOOK...Saturday October 3rd through Monday October 5th: Above normal temperatures and above median precipitation.