Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
221 FNUS55 KPSR 301931 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1231 PM MST Sat Aug 30 2025 .DISCUSSION... Mostly dry conditions continue through the weekend, with near 0% chance of wetting rains, before rain chances begin to trend upward Monday. MinRHs will mostly range between 10-20% Sunday before climbing to around 15-25% Monday. Winds will remain fairly light, with typical afternoon breeziness, through the period while mostly following typical diurnal trends. Temperatures this weekend will rise slightly above normal with highs approaching 110 degrees for some lower desert areas by Sunday. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-310745- 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- 1231 PM MST Sat Aug 30 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................78-88. * 24 hr trend..................Little change. * Max Humidity....................29-38 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Northeast 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. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................103-109. * 24 hr trend..................3 degrees warmer. * Min Humidity....................11-15 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............Southeast 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...............0 percent. * Mixing Height for Phoenix.......8700 ft AGL. * Transport Wind for Phoenix......Southwest 4 knots. * Dispersion for Phoenix..........Fair. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-90. * 24 hr trend..................Little change. * Max Humidity....................30-45 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............Southeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .MONDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................102-108. * 24 hr trend..................Little change. * Min Humidity....................16-22 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 15 mph. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............9 percent. * Mixing Height for Phoenix.......5900 ft AGL. * Transport Wind for Phoenix......Northeast 7 knots. * Dispersion for Phoenix..........Fair. .EXTENDED... .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 79-89. Highs 100-106. East winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-87. Highs 99-105. South winds 5 to 15 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 74-84. Highs 96-101. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 74-84. Highs 93-99. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 73-83. Highs 90-95. $$ AZZ131-CAZ231-310745- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1231 PM MST Sat Aug 30 2025 /1231 PM PDT Sat Aug 30 2025/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................78-83. * 24 hr trend..................Little change. * Max Humidity....................32-43 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............North 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................106-111. * 24 hr trend..................3 degrees warmer. * Min Humidity....................12-16 pct. * 24 hr trend..................4 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...............0 percent. * Mixing Height for Yuma..........11500 ft AGL. * Transport Wind for Yuma.........Northwest 5 knots. * Dispersion for Yuma.............Good. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................78-84. * 24 hr trend..................Little change. * Max Humidity....................32-45 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............Light and variable in the evening becoming southeast 10 to 20 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................105-110. * 24 hr trend..................Little change. * Min Humidity....................15-21 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southeast 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. * Mixing Height for Yuma..........8800 ft AGL. * Transport Wind for Yuma.........South 6 knots. * Dispersion for Yuma.............Good. .EXTENDED... .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 81-86. Highs 102-107. Southeast winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-85. Highs 102-107. South winds 5 to 15 mph. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 78-84. Highs 99-104. South winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 76-82. Highs 95-100. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-81. Highs 93-98. $$ AZZ133-310745- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1231 PM MST Sat Aug 30 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................63-80. * 24 hr trend..................Little change. * Max Humidity....................32-46 pct. * 24 hr trend..................15 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming north after midnight. * Winds...10000 FT MSL............Northeast 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................90-105. * 24 hr trend..................3 degrees warmer. * Min Humidity....................12-19 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................64-82. * 24 hr trend..................Little change. * Max Humidity....................42-68 pct. * 24 hr trend..................16 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the evening becoming east 5 to 15 mph after midnight. * Winds...10000 FT MSL............Southeast 5 to 15 mph. * Chance of Precip................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............11 percent. .MONDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................86-103. * 24 hr trend..................3 degrees cooler. * Min Humidity....................20-32 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............East 5 to 15 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............23 percent. .EXTENDED... .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 62-81. Highs 85-101. East winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 61-80. Highs 86-101. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 59-79. Highs 84-99. West winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 59-76. Highs 82-95. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 59-76. Highs 79-93. $$ CAZ232-310745- Imperial County And Eastern Riverside County- 1231 PM PDT Sat Aug 30 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-86. * 24 hr trend..................Little change. * Max Humidity....................26-43 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northeast 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................102-110. * 24 hr trend..................3 degrees warmer. * Min Humidity....................11-15 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northeast 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...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................81-86. * 24 hr trend..................Little change. * Max Humidity....................24-44 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northwest 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. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................101-109. * 24 hr trend..................Little change. * Min Humidity....................13-19 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............Southeast 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...............5 percent. .EXTENDED... .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 81-87. Highs 98-106. Southeast winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-86. Highs 98-107. South winds 5 to 10 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 77-84. Highs 95-104. South winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-83. Highs 92-101. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-82. Highs 90-99. $$ CAZ230-310745- Joshua Tree National Park- 1231 PM PDT Sat Aug 30 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................71-81. * 24 hr trend..................3 degrees warmer. * Max Humidity....................27-33 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................92-105. * 24 hr trend..................3 degrees warmer. * Min Humidity....................12-16 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..North 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. .SUNDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................72-81. * 24 hr trend..................Little change. * Max Humidity....................25-30 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming east 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................92-104. * 24 hr trend..................Little change. * Min Humidity....................13-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............Southeast 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...............4 percent. .EXTENDED... .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 71-83. Highs 87-100. Southwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 69-81. Highs 88-102. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 67-80. Highs 86-99. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 66-79. Highs 84-97. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 65-77. Highs 82-94. $$ .8 TO 10 DAY OUTLOOK...Sunday September 7th through Tuesday September 9th: Near to above normal temperatures and above median precipitation.