Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
416 FNUS55 KPSR 070952 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 252 AM MST Mon Sep 7 2026 .DISCUSSION... Temperatures will warm to above normal levels through the middle of the week. Afternoon minimum humidities will generally range between 20-30% areawide following fair to good overnight recoveries. Fairly typical diurnal winds with occasional afternoon upslope breeziness can be expected through much of the week. Rain and thunderstorm chances will remain very low and mostly limited to the eastern Arizona high terrain through Tuesday. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-072200- 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- 252 AM MST Mon Sep 7 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................99-107. * 24 hr trend..................3 degrees warmer. * Min Humidity....................18-24 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. * Mixing Height for Phoenix.......11300 ft AGL. * Transport Wind for Phoenix......West 9 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................79-89. * 24 hr trend..................Little change. * Max Humidity....................39-48 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 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...............4 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................102-108. * 24 hr trend..................Little change. * Min Humidity....................18-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. * Mixing Height for Phoenix.......9300 ft AGL. * Transport Wind for Phoenix......West 5 knots. * Dispersion for Phoenix..........Fair. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 80-90. Highs 102-108. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 81-91. Highs 102-108. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-88. Highs 99-105. South winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 77-87. Highs 97-104. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-86. Highs 96-104. $$ AZZ131-CAZ231-072200- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 252 AM MST Mon Sep 7 2026 /252 AM PDT Mon Sep 7 2026/ .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................101-107. * 24 hr trend..................5 degrees warmer. * Min Humidity....................20-26 pct. * 24 hr trend..................5 pct drier. * 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...............4 percent. * Mixing Height for Yuma..........11100 ft AGL. * Transport Wind for Yuma.........West 8 knots. * Dispersion for Yuma.............Very good. .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................79-85. * 24 hr trend..................Little change. * Max Humidity....................40-54 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................104-109. * 24 hr trend..................3 degrees warmer. * Min Humidity....................18-22 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 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...............1 percent. * Mixing Height for Yuma..........10700 ft AGL. * Transport Wind for Yuma.........South 7 knots. * Dispersion for Yuma.............Good. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 81-86. Highs 104-109. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 81-86. Highs 105-110. South winds 10 to 20 mph. .FRIDAY...Mostly clear. Lows 79-86. Highs 103-108. South winds 15 to 25 mph. .SATURDAY...Mostly clear. Lows 77-84. Highs 101-106. .SUNDAY...Mostly clear. Lows 77-82. Highs 100-105. $$ AZZ133-072200- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 252 AM MST Mon Sep 7 2026 .TODAY... * Sky/weather.....................Partly sunny. * Max Temperature.................88-103. * 24 hr trend..................Little change. * Min Humidity....................17-27 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................65-81. * 24 hr trend..................Little change. * Max Humidity....................39-65 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming northeast 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. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................89-104. * 24 hr trend..................Little change. * Min Humidity....................17-26 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............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .EXTENDED... .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 66-83. Highs 90-104. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 65-83. Highs 88-103. West winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 63-81. Highs 84-99. West winds 5 to 15 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 62-78. Highs 82-96. .SUNDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 62-78. Highs 82-96. $$ CAZ232-072200- Imperial County And Eastern Riverside County- 252 AM PDT Mon Sep 7 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................95-104. * 24 hr trend..................8 degrees warmer. * Min Humidity....................22-33 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................79-85. * 24 hr trend..................Little change. * Max Humidity....................42-61 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................98-108. * 24 hr trend..................3 degrees warmer. * Min Humidity....................18-28 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 81-88. Highs 100-109. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 82-88. Highs 101-111. South winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 78-88. Highs 100-110. South winds 10 to 20 mph. .SATURDAY...Mostly clear. Lows 75-84. Highs 97-107. .SUNDAY...Clear. Lows 75-81. Highs 96-105. $$ CAZ230-072200- Joshua Tree National Park- 252 AM PDT Mon Sep 7 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................82-95. * 24 hr trend..................14 degrees warmer. * Min Humidity....................28-40 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................68-79. * 24 hr trend..................4 degrees warmer. * Max Humidity....................50-63 pct. * 24 hr trend..................9 pct drier. * 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...............3 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................86-100. * 24 hr trend..................4 degrees warmer. * Min Humidity....................23-35 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 71-84. Highs 89-103. Northwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 71-84. Highs 91-105. West winds 5 to 15 mph. .FRIDAY...Clear. Lows 68-84. Highs 89-104. Southwest winds 10 to 20 mph. .SATURDAY...Mostly clear. Lows 65-80. Highs 86-101. .SUNDAY...Clear. Lows 65-77. Highs 85-99. $$ .8 TO 10 DAY OUTLOOK...Monday September 14th through Wednesday September 16th: Near normal temperatures and above median precipitation.