


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
530 FNUS55 KPSR 282030 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 130 PM MST Thu Aug 28 2025 .DISCUSSION... Cloudy skies will continue through the rest of the day with light showers continuing across the western districts before tapering off by this evening. Drier conditions Friday and into the weekend will lead to warmer temperatures and near 0% chance of wetting rains. MinRHs over the next couple of days 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 through Friday before rising to slightly above normal starting Saturday. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-290830- 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- 130 PM MST Thu Aug 28 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................76-86. * 24 hr trend..................3 degrees cooler. * Max Humidity....................42-52 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................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............8 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................97-104. * 24 hr trend..................Little change. * Min Humidity....................20-24 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...............3 percent. * Mixing Height for Phoenix.......8900 ft AGL. * Transport Wind for Phoenix......West 9 knots. * Dispersion for Phoenix..........Very good. .FRIDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................78-88. * 24 hr trend..................Little change. * Max Humidity....................40-48 pct. * 24 hr trend..................3 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...............2 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................100-107. * 24 hr trend..................3 degrees warmer. * Min Humidity....................16-20 pct. * 24 hr trend..................4 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...............1 percent. * Mixing Height for Phoenix.......9900 ft AGL. * Transport Wind for Phoenix......West 7 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .SUNDAY...Mostly clear. Lows 79-89. Highs 103-108. Southwest winds 5 to 10 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 79-89. Highs 100-106. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-87. Highs 99-105. East winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 76-86. Highs 98-104. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 75-85. Highs 96-102. $$ AZZ131-CAZ231-290830- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 130 PM MST Thu Aug 28 2025 /130 PM PDT Thu Aug 28 2025/ .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................76-81. * 24 hr trend..................5 degrees cooler. * Max Humidity....................52-68 pct. * 24 hr trend..................12 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................20 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............12 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................98-103. * 24 hr trend..................5 degrees warmer. * Min Humidity....................23-28 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...............2 percent. * Mixing Height for Yuma..........6700 ft AGL. * Transport Wind for Yuma.........West 6 knots. * Dispersion for Yuma.............Fair. .FRIDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................77-83. * 24 hr trend..................Little change. * Max Humidity....................46-58 pct. * 24 hr trend..................7 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...............1 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................102-107. * 24 hr trend..................4 degrees warmer. * Min Humidity....................17-21 pct. * 24 hr trend..................6 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...............1 percent. * Mixing Height for Yuma..........8500 ft AGL. * Transport Wind for Yuma.........Northwest 7 knots. * Dispersion for Yuma.............Good. .EXTENDED... .SUNDAY...Clear. Lows 77-85. Highs 105-110. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-86. Highs 104-109. South winds 5 to 10 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-86. Highs 103-108. Southeast winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-85. Highs 102-107. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-84. Highs 99-104. $$ AZZ133-290830- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 130 PM MST Thu Aug 28 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................64-79. * 24 hr trend..................Little change. * Max Humidity....................41-60 pct. * 24 hr trend..................4 pct drier. * 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................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............9 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................87-101. * 24 hr trend..................Little change. * Min Humidity....................19-26 pct. * 24 hr trend..................Little 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...............6 percent. .FRIDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................63-79. * 24 hr trend..................Little change. * Max Humidity....................40-57 pct. * 24 hr trend..................Little RH change. * 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...............2 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................89-102. * 24 hr trend..................Little change. * Min Humidity....................15-22 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 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... .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 64-80. Highs 88-104. Southeast winds 5 to 15 mph. .MONDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-80. Highs 85-101. East winds 5 to 15 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 61-79. Highs 83-99. East winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 60-77. Highs 83-98. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 58-75. Highs 81-97. $$ CAZ232-290830- Imperial County And Eastern Riverside County- 130 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers in the evening. * Min Temperature.................75-81. * 24 hr trend..................5 degrees cooler. * Max Humidity....................50-70 pct. * 24 hr trend..................14 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 25 to 35 mph in the evening becoming 15 to 25 mph after midnight. * Chance of Precip................20 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............9 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................93-102. * 24 hr trend..................8 degrees warmer. * Min Humidity....................21-31 pct. * 24 hr trend..................8 pct drier. * 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. .FRIDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................78-83. * 24 hr trend..................3 degrees warmer. * Max Humidity....................38-64 pct. * 24 hr trend..................9 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...............1 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................98-107. * 24 hr trend..................4 degrees warmer. * Min Humidity....................15-24 pct. * 24 hr trend..................6 pct drier. * 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...............1 percent. .EXTENDED... .SUNDAY...Clear. Lows 79-86. Highs 100-110. West winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 81-87. Highs 99-109. South winds 5 to 10 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-87. Highs 99-107. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-86. Highs 98-107. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 77-85. Highs 96-104. $$ CAZ230-290830- Joshua Tree National Park- 130 PM PDT Thu Aug 28 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers in the evening. * Min Temperature.................63-74. * 24 hr trend..................4 degrees cooler. * Max Humidity....................54-65 pct. * 24 hr trend..................21 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................20 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................84-97. * 24 hr trend..................9 degrees warmer. * Min Humidity....................22-32 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 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...............5 percent. .FRIDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................68-79. * 24 hr trend..................5 degrees warmer. * Max Humidity....................41-50 pct. * 24 hr trend..................14 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 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.................88-100. * 24 hr trend..................4 degrees warmer. * Min Humidity....................16-24 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming east in the afternoon. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .EXTENDED... .SUNDAY...Clear. Lows 70-82. Highs 90-103. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 72-82. Highs 90-103. Southwest winds 5 to 15 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 70-82. Highs 88-101. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 69-81. Highs 88-101. .THURSDAY...Mostly clear with chance of showers and slight chance of thunderstorms. Lows 67-80. Highs 86-99. $$ .8 TO 10 DAY OUTLOOK...Friday September 5th through Sunday September 7th: Near to above normal temperatures and above median precipitation.