Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
581 FNUS55 KPSR 291046 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 346 AM MST Fri Aug 29 2025 .DISCUSSION... Mostly dry conditions continue through the weekend with 0% chance of wetting rains. MinRHs today will mostly range between 15-25%, falling into the teens for the weekend. Winds will remain fairly light through the period mostly following typical diurnal trends. Temperatures will remain near to slightly below normal today before rising to slightly above normal this weekend. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-292300- 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- 346 AM MST Fri Aug 29 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................97-104. * 24 hr trend..................Little change. * Min Humidity....................20-25 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 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. * Mixing Height for Phoenix.......8800 ft AGL. * Transport Wind for Phoenix......West 10 knots. * Dispersion for Phoenix..........Very good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................77-87. * 24 hr trend..................Little change. * Max Humidity....................40-49 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 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.....................Sunny. * Max Temperature.................100-107. * 24 hr trend..................3 degrees warmer. * Min Humidity....................15-19 pct. * 24 hr trend..................5 pct drier. * 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...............0 percent. * Mixing Height for Phoenix.......10500 ft AGL. * Transport Wind for Phoenix......West 7 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .SUNDAY...Mostly clear. Lows 79-89. Highs 102-109. Southwest winds 5 to 10 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 80-90. Highs 101-107. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-88. Highs 99-105. Southeast winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 75-85. Highs 96-102. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 74-84. Highs 93-99. $$ AZZ131-CAZ231-292300- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 346 AM MST Fri Aug 29 2025 /346 AM PDT Fri Aug 29 2025/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................99-104. * 24 hr trend..................5 degrees warmer. * Min Humidity....................23-28 pct. * 24 hr trend..................6 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...............0 percent. * Mixing Height for Yuma..........6900 ft AGL. * Transport Wind for Yuma.........West 6 knots. * Dispersion for Yuma.............Fair. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................77-83. * 24 hr trend..................3 degrees warmer. * Max Humidity....................44-56 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..West 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...............0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................103-108. * 24 hr trend..................4 degrees warmer. * Min Humidity....................16-21 pct. * 24 hr trend..................7 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...............0 percent. * Mixing Height for Yuma..........9200 ft AGL. * Transport Wind for Yuma.........West 6 knots. * Dispersion for Yuma.............Good. .EXTENDED... .SUNDAY...Mostly clear. Lows 77-85. Highs 105-110. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 79-86. Highs 104-109. South winds 5 to 15 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 79-86. Highs 102-107. South winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-84. Highs 99-104. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-83. Highs 96-101. $$ AZZ133-292300- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 346 AM MST Fri Aug 29 2025 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................86-100. * 24 hr trend..................Little change. * Min Humidity....................19-27 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................62-79. * 24 hr trend..................Little change. * Max Humidity....................42-60 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming north after midnight. * Winds...10000 FT MSL............North 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...............0 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................89-103. * 24 hr trend..................3 degrees warmer. * Min Humidity....................15-21 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..North 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...............0 percent. .EXTENDED... .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 63-81. Highs 89-104. Southeast winds 5 to 15 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 63-81. Highs 86-102. East winds 5 to 15 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 62-81. Highs 84-101. East winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 60-78. Highs 83-98. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 60-76. Highs 80-95. $$ CAZ232-292300- Imperial County And Eastern Riverside County- 346 AM PDT Fri Aug 29 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................94-102. * 24 hr trend..................6 degrees warmer. * Min Humidity....................21-31 pct. * 24 hr trend..................8 pct drier. * 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...............0 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................78-84. * 24 hr trend..................3 degrees warmer. * Max Humidity....................37-59 pct. * 24 hr trend..................12 pct drier. * Winds - 20 foot...Slope/Valley..West 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...............0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................98-107. * 24 hr trend..................5 degrees warmer. * Min Humidity....................14-23 pct. * 24 hr trend..................7 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...............0 percent. .EXTENDED... .SUNDAY...Clear. Lows 79-86. Highs 101-110. West winds 5 to 10 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 81-86. Highs 100-109. South winds 5 to 10 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 80-86. Highs 98-107. South winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-86. Highs 96-105. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 77-83. Highs 93-102. $$ CAZ230-292300- Joshua Tree National Park- 346 AM PDT Fri Aug 29 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................84-96. * 24 hr trend..................6 degrees warmer. * Min Humidity....................24-31 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 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...............0 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................68-79. * 24 hr trend..................5 degrees warmer. * Max Humidity....................39-47 pct. * 24 hr trend..................30 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............North 5 to 15 mph in the evening becoming east after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................88-100. * 24 hr trend..................4 degrees warmer. * Min Humidity....................16-23 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming northeast in the afternoon. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SUNDAY...Clear. Lows 71-81. Highs 91-103. West winds 5 to 10 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 72-83. Highs 90-103. Southwest winds 5 to 15 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 71-83. Highs 89-101. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 68-81. Highs 86-100. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 67-79. Highs 84-97. $$ .8 TO 10 DAY OUTLOOK...Friday September 5th through Sunday September 7th: Near to above normal temperatures and above median precipitation.