Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
661 FNUS55 KPSR 051034 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 334 AM MST Sat Sep 5 2026 .DISCUSSION... Near to slightly below normal temperatures continue through the weekend. Rain chances today will be confined to the western districts, but chances for wetting rainfall remain very low. Afternoon minRH`s will be 15-30%, with good (40-60%) overnight recoveries. Winds will generally be light and follow their typical diurnal tendencies, with some occasional afternoon upslope breeziness. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-052245- 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- 334 AM MST Sat Sep 5 2026 .TODAY... * Sky/weather.....................Partly sunny. * Max Temperature.................94-102. * 24 hr trend..................Little change. * Min Humidity....................22-26 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. * Mixing Height for Phoenix.......9400 ft AGL. * Transport Wind for Phoenix......West 7 knots. * Dispersion for Phoenix..........Good. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................77-87. * 24 hr trend..................Little change. * Max Humidity....................41-50 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 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...............4 percent. .SUNDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................95-104. * 24 hr trend..................Little change. * Min Humidity....................22-28 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northwest 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...............1 percent. * Mixing Height for Phoenix.......9700 ft AGL. * Transport Wind for Phoenix......West 10 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .MONDAY...Partly cloudy. Lows 77-87. Highs 97-106. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 78-88. Highs 100-107. West winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-88. Highs 98-104. Southwest winds 5 to 15 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-87. Highs 97-103. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 75-85. Highs 95-102. $$ AZZ131-CAZ231-052245- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 334 AM MST Sat Sep 5 2026 /334 AM PDT Sat Sep 5 2026/ .TODAY... * Sky/weather.....................Partly sunny. * Max Temperature.................95-100. * 24 hr trend..................4 degrees cooler. * Min Humidity....................18-25 pct. * 24 hr trend..................9 pct wetter. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............South 15 to 25 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. * Mixing Height for Yuma..........8300 ft AGL. * Transport Wind for Yuma.........West 8 knots. * Dispersion for Yuma.............Good. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................79-84. * 24 hr trend..................4 degrees warmer. * Max Humidity....................41-49 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .SUNDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................98-104. * 24 hr trend..................3 degrees warmer. * Min Humidity....................25-31 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 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...............2 percent. * Mixing Height for Yuma..........10100 ft AGL. * Transport Wind for Yuma.........Northwest 10 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .MONDAY...Partly cloudy. Lows 78-86. Highs 101-106. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 79-86. Highs 103-108. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-86. Highs 102-107. South winds 5 to 15 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-84. Highs 101-106. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-84. Highs 100-105. $$ AZZ133-052245- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 334 AM MST Sat Sep 5 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................84-98. * 24 hr trend..................Little change. * Min Humidity....................22-33 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * 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...............2 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................62-78. * 24 hr trend..................Little change. * Max Humidity....................43-65 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming north after midnight. * 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. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................86-100. * 24 hr trend..................3 degrees warmer. * Min Humidity....................20-29 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming west 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .EXTENDED... .MONDAY...Partly cloudy with slight chance of showers. Lows 64-80. Highs 86-101. West winds 10 to 20 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 64-80. Highs 87-102. Southeast winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 63-80. Highs 86-101. Southeast winds 5 to 10 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-79. Highs 84-98. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 61-77. Highs 81-96. $$ CAZ232-052245- Imperial County And Eastern Riverside County- 334 AM PDT Sat Sep 5 2026 .TODAY... * Sky/weather.....................Partly sunny. Slight chance of showers in the afternoon. * Max Temperature.................90-99. * 24 hr trend..................3 degrees cooler. * Min Humidity....................15-23 pct. * 24 hr trend..................6 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...............7 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................79-85. * 24 hr trend..................6 degrees warmer. * Max Humidity....................36-60 pct. * 24 hr trend..................19 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * 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. .SUNDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................91-101. * 24 hr trend..................Little change. * Min Humidity....................27-39 pct. * 24 hr trend..................14 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .EXTENDED... .MONDAY...Partly cloudy. Lows 77-85. Highs 95-105. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 79-86. Highs 98-107. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-86. Highs 97-106. South winds 5 to 15 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-86. Highs 97-106. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-85. Highs 96-106. $$ CAZ230-052245- Joshua Tree National Park- 334 AM PDT Sat Sep 5 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................81-94. * 24 hr trend..................Little change. * Min Humidity....................16-20 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 25 to 35 mph in the morning becoming 15 to 25 mph in the afternoon. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .TONIGHT... * Sky/weather.....................Partly cloudy in the evening becoming mostly cloudy after midnight. Slight chance of showers. * Min Temperature.................67-80. * 24 hr trend..................6 degrees warmer. * Max Humidity....................42-71 pct. * 24 hr trend..................27 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. .SUNDAY... * Sky/weather.....................Partly sunny. Chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................75-89. * 24 hr trend..................5 degrees cooler. * Min Humidity....................34-53 pct. * 24 hr trend..................24 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 25 to 35 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............11 percent. .EXTENDED... .MONDAY...Partly cloudy. Lows 65-79. Highs 82-96. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 66-81. Highs 86-100. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers. Lows 68-81. Highs 86-101. West winds 5 to 15 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 67-81. Highs 87-101. .FRIDAY...Mostly clear. Lows 65-81. Highs 85-100. $$ .8 TO 10 DAY OUTLOOK...Saturday September 12th through Monday September 14th: Near normal temperatures and above median precipitation.