Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
625 FNUS55 KPSR 102105 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 205 PM MST Thu Sep 10 2026 .DISCUSSION... Above normal temperatures will continue into the weekend with modestly elevated humidities. Rain chances will improve by Friday, but still mostly favor the Arizona high terrain. Afternoon minimum humidities of 17-25% today will improve to 25-30% for Friday and Saturday. Overnight recoveries will remain fair to good at 40-70%. Expect fairly typical diurnal winds with little if any breeziness today, but with 20-25 mph afternoon and early evening gusts on Friday and Saturday across the western portion of the CWA. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-110915- 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- 205 PM MST Thu Sep 10 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-90. * 24 hr trend..................Little change. * Max Humidity....................51-63 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 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...............2 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................100-106. * 24 hr trend..................3 degrees cooler. * Min Humidity....................25-30 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 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. * Mixing Height for Phoenix.......9000 ft AGL. * Transport Wind for Phoenix......West 8 knots. * Dispersion for Phoenix..........Very good. .FRIDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................78-88. * 24 hr trend..................Little change. * Max Humidity....................56-69 pct. * 24 hr trend..................5 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...............4 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................98-105. * 24 hr trend..................Little change. * Min Humidity....................26-32 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * 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. * Mixing Height for Phoenix.......9100 ft AGL. * Transport Wind for Phoenix......Southwest 6 knots. * Dispersion for Phoenix..........Good. .EXTENDED... .SUNDAY...Mostly clear. Lows 77-87. Highs 99-106. South winds 5 to 15 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 75-85. Highs 98-105. South winds 10 to 20 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 96-103. South winds 10 to 20 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 95-103. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 75-85. Highs 96-103. $$ AZZ131-CAZ231-110915- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 205 PM MST Thu Sep 10 2026 /205 PM PDT Thu Sep 10 2026/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................83-88. * 24 hr trend..................Little change. * Max Humidity....................53-72 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..South 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...............3 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................104-109. * 24 hr trend..................3 degrees cooler. * Min Humidity....................25-31 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..South 10 to 20 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..........5300 ft AGL. * Transport Wind for Yuma.........South 13 knots. * Dispersion for Yuma.............Very good. .FRIDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................59-74 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..South 10 to 20 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. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................101-106. * 24 hr trend..................Little change. * Min Humidity....................29-33 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 10 to 20 mph. * 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. * Mixing Height for Yuma..........6400 ft AGL. * Transport Wind for Yuma.........South 14 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .SUNDAY...Clear. Lows 78-83. Highs 101-106. South winds 10 to 20 mph. .MONDAY...Clear. Lows 77-83. Highs 101-106. South winds 10 to 20 mph. .TUESDAY...Clear. Lows 75-81. Highs 99-104. South winds 15 to 25 mph. .WEDNESDAY...Mostly clear. Lows 75-81. Highs 99-104. .THURSDAY...Mostly clear. Lows 76-83. Highs 100-105. $$ AZZ133-110915- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 205 PM MST Thu Sep 10 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................65-82. * 24 hr trend..................Little change. * Max Humidity....................55-73 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................87-101. * 24 hr trend..................3 degrees cooler. * Min Humidity....................25-36 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .FRIDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms. * Min Temperature.................64-80. * 24 hr trend..................Little change. * Max Humidity....................60-81 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 15 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............12 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................86-100. * 24 hr trend..................Little change. * Min Humidity....................26-37 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 in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .EXTENDED... .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 64-81. Highs 86-100. Southwest winds 5 to 15 mph. .MONDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-80. Highs 84-99. South winds 5 to 15 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 61-77. Highs 81-95. South winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 61-77. Highs 81-96. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 61-77. Highs 81-97. $$ CAZ232-110915- Imperial County And Eastern Riverside County- 205 PM PDT Thu Sep 10 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................82-89. * 24 hr trend..................Little change. * Max Humidity....................38-64 pct. * 24 hr trend..................Little RH change. * 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...............3 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................100-111. * 24 hr trend..................Little change. * Min Humidity....................19-29 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 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. .FRIDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................79-86. * 24 hr trend..................3 degrees cooler. * Max Humidity....................48-77 pct. * 24 hr trend..................13 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...............1 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................98-108. * 24 hr trend..................3 degrees cooler. * Min Humidity....................18-31 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 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...............0 percent. .EXTENDED... .SUNDAY...Clear. Lows 75-83. Highs 96-106. South winds 5 to 15 mph. .MONDAY...Clear. Lows 73-81. Highs 96-106. South winds 10 to 20 mph. .TUESDAY...Clear. Lows 73-79. Highs 95-104. South winds 10 to 20 mph. .WEDNESDAY...Clear. Lows 73-81. Highs 94-103. .THURSDAY...Mostly clear. Lows 75-82. Highs 94-103. $$ CAZ230-110915- Joshua Tree National Park- 205 PM PDT Thu Sep 10 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................72-85. * 24 hr trend..................Little change. * Max Humidity....................39-55 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 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...............3 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................89-104. * 24 hr trend..................3 degrees cooler. * Min Humidity....................20-29 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 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. .FRIDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................69-82. * 24 hr trend..................3 degrees cooler. * Max Humidity....................45-57 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming southwest 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................86-101. * 24 hr trend..................3 degrees cooler. * Min Humidity....................20-27 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 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...............0 percent. .EXTENDED... .SUNDAY...Clear. Lows 65-79. Highs 85-99. Southwest winds 5 to 15 mph. .MONDAY...Clear. Lows 63-75. Highs 84-98. Southwest winds 5 to 15 mph. .TUESDAY...Clear. Lows 63-74. Highs 82-97. Southwest winds 10 to 20 mph. .WEDNESDAY...Clear. Lows 63-75. Highs 82-95. .THURSDAY...Mostly clear. Lows 65-76. Highs 82-95. $$ .8 TO 10 DAY OUTLOOK...Friday September 18th through Sunday September 20th: Near to above normal temperatures and near median precipitation.