Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
064 FNUS55 KPSR 162133 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 233 PM MST Tue Sep 16 2025 .DISCUSSION... Above average temperatures will continue today and Wednesday. Increasing moisture and cloud cover will resulting in cooler temperatures for the latter half of this week. Rain chances will increase to around 20-30% across the region on Wednesday with much better chances for wetting rainfall arriving on Thursday. MinRHs this afternoon will fall to around 20% before steadily increasing to around 40% late this week. Outside of any storms, will remain light over the next few days with directions mostly following diurnal trends. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-171000- 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- 233 PM MST Tue Sep 16 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................98-104. * 24 hr trend..................Little change. * Min Humidity....................17-26 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. * Mixing Height for Phoenix.......9500 ft AGL. * Transport Wind for Phoenix......West 8 knots. * Dispersion for Phoenix..........Very good. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................75-85. * 24 hr trend..................Little change. * Max Humidity....................47-65 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming south after midnight. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................94-101. * 24 hr trend..................4 degrees cooler. * Min Humidity....................21-34 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Light and variable in the morning becoming east 5 to 15 mph in the afternoon. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............20 percent. * Mixing Height for Phoenix.......6500 ft AGL. * Transport Wind for Phoenix......West 14 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 74-84. Highs 90-96. Southwest winds 5 to 10 mph. .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 73-83. Highs 90-97. South winds 5 to 10 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 73-83. Highs 92-99. Southwest winds 5 to 10 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 73-83. Highs 94-100. .MONDAY...Mostly clear. Lows 73-83. Highs 96-102. $$ AZZ131-CAZ231-171000- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 233 PM MST Tue Sep 16 2025 /233 PM PDT Tue Sep 16 2025/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................99-104. * 24 hr trend..................Little change. * Min Humidity....................18-32 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. * Mixing Height for Yuma..........8100 ft AGL. * Transport Wind for Yuma.........South 6 knots. * Dispersion for Yuma.............Good. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................74-83. * 24 hr trend..................4 degrees warmer. * Max Humidity....................56-74 pct. * 24 hr trend..................7 pct wetter. * 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...............5 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................96-102. * 24 hr trend..................3 degrees cooler. * Min Humidity....................24-37 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southeast 10 to 20 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............22 percent. * Mixing Height for Yuma..........2800 ft AGL. * Transport Wind for Yuma.........South 13 knots. * Dispersion for Yuma.............Fair. .EXTENDED... .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 74-81. Highs 91-96. South winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 74-80. Highs 92-97. South winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-79. Highs 94-99. South winds 5 to 10 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-81. Highs 96-101. .MONDAY...Mostly clear. Lows 72-81. Highs 97-102. $$ AZZ133-171000- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 233 PM MST Tue Sep 16 2025 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................84-101. * 24 hr trend..................Little change. * Min Humidity....................17-27 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............Southwest 5 to 15 mph. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............11 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................60-77. * 24 hr trend..................Little change. * Max Humidity....................48-75 pct. * 24 hr trend..................12 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............Northwest 5 to 15 mph. * Chance of Precip................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............12 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................82-98. * 24 hr trend..................3 degrees cooler. * Min Humidity....................20-32 pct. * 24 hr trend..................4 pct wetter. * 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. * Chance of Precip................10 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............21 percent. .EXTENDED... .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 59-77. Highs 78-93. Southeast winds 5 to 10 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 58-74. Highs 77-92. Southeast winds 5 to 10 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 57-74. Highs 80-94. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 57-74. Highs 81-96. .MONDAY...Mostly clear. Lows 57-75. Highs 84-98. $$ CAZ232-171000- Imperial County And Eastern Riverside County- 233 PM PDT Tue Sep 16 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................96-104. * 24 hr trend..................Little change. * Min Humidity....................15-30 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................77-83. * 24 hr trend..................4 degrees warmer. * Max Humidity....................41-72 pct. * 24 hr trend..................9 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming east 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms . * Max Temperature.................92-101. * 24 hr trend..................3 degrees cooler. * Min Humidity....................22-37 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............21 percent. .EXTENDED... .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 73-82. Highs 85-94. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 73-79. Highs 87-95. West winds 5 to 10 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 73-79. Highs 89-98. West winds 5 to 10 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-81. Highs 91-99. .MONDAY...Mostly clear. Lows 75-81. Highs 91-100. $$ CAZ230-171000- Joshua Tree National Park- 233 PM PDT Tue Sep 16 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................86-99. * 24 hr trend..................3 degrees warmer. * Min Humidity....................16-26 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............Southwest 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................67-77. * 24 hr trend..................3 degrees warmer. * Max Humidity....................41-50 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming northwest after midnight. * Winds...10000 FT MSL............Light and variable in the evening becoming northeast 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................84-97. * 24 hr trend..................Little change. * Min Humidity....................21-32 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............East 10 to 15 mph. * Chance of Precip................10 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............14 percent. .EXTENDED... .THURSDAY...Not as warm. Mostly cloudy with chance of showers and thunderstorms. Lows 61-78. Highs 74-87. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 60-73. Highs 74-88. Southwest winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 60-73. Highs 78-91. West winds 5 to 10 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 62-75. Highs 81-94. .MONDAY...Mostly clear. Lows 63-75. Highs 80-93. $$ .8 TO 10 DAY OUTLOOK...Tuesday September 23rd through Thursday September 25th: Above normal temperatures and near median precipitation.