Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
703 FNUS55 KPSR 272058 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 158 PM MST Wed Aug 27 2025 .DISCUSSION... Chances for showers and thunderstorms will overall remain low (20% or less) across south-central Arizona over the next couple of days, while the best chances are expected across the western districts through tomorrow afternoon. Primary threat with any thunderstorms this afternoon will be gusty, erratic outflow winds. Rain chances drop below 10% by Friday with drier conditions prevailing. MinRHs over the next couple of days will mostly range between 20-30% before gradually decreasing into the teens by the weekend. Temperatures will remain near to slightly below normal through Thursday before rising to slightly above normal by Saturday. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-280900- 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- 158 PM MST Wed Aug 27 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of thunderstorms in the evening. slight chance of showers . * Min Temperature.................79-89. * 24 hr trend..................3 degrees warmer. * Max Humidity....................46-58 pct. * 24 hr trend..................12 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .THURSDAY... * Sky/weather.....................Mostly cloudy. Slight chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................93-101. * 24 hr trend..................Little change. * Min Humidity....................24-32 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southeast 10 to 20 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............14 percent. * Mixing Height for Phoenix.......9800 ft AGL. * Transport Wind for Phoenix......Southwest 9 knots. * Dispersion for Phoenix..........Very good. .THURSDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................75-85. * 24 hr trend..................4 degrees cooler. * Max Humidity....................46-57 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................96-102. * 24 hr trend..................Little change. * Min Humidity....................22-27 pct. * 24 hr trend..................3 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...............1 percent. * Mixing Height for Phoenix.......7800 ft AGL. * Transport Wind for Phoenix......West 9 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .SATURDAY...Clear. Lows 77-87. Highs 100-106. West winds 5 to 10 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-88. Highs 102-108. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-89. Highs 100-107. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-87. Highs 99-106. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 77-87. Highs 98-105. $$ AZZ131-CAZ231-280900- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 158 PM MST Wed Aug 27 2025 /158 PM PDT Wed Aug 27 2025/ .TONIGHT... * Sky/weather.....................Mostly cloudy. Slight chance of thunderstorms in the evening. slight chance of showers . * Min Temperature.................80-85. * 24 hr trend..................4 degrees warmer. * Max Humidity....................46-60 pct. * 24 hr trend..................18 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming southeast 5 to 15 mph after midnight. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .THURSDAY... * Sky/weather.....................Mostly cloudy. Slight chance of showers in the morning. slight chance of thunderstorms . chance of showers in the afternoon. * Max Temperature.................91-96. * 24 hr trend..................6 degrees cooler. * Min Humidity....................32-39 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southeast 20 to 30 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............15 percent. * Mixing Height for Yuma..........2800 ft AGL. * Transport Wind for Yuma.........Northwest 23 knots. * Dispersion for Yuma.............Good. .THURSDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................74-80. * 24 hr trend..................6 degrees cooler. * Max Humidity....................55-72 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * 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.................97-102. * 24 hr trend..................6 degrees warmer. * Min Humidity....................25-31 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...............1 percent. * Mixing Height for Yuma..........7100 ft AGL. * Transport Wind for Yuma.........West 6 knots. * Dispersion for Yuma.............Fair. .EXTENDED... .SATURDAY...Clear. Lows 76-84. Highs 102-107. West winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 78-84. Highs 105-110. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-84. Highs 104-109. South winds 5 to 15 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-85. Highs 103-108. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-85. Highs 102-107. $$ AZZ133-280900- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 158 PM MST Wed Aug 27 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................62-79. * 24 hr trend..................3 degrees warmer. * Max Humidity....................48-64 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............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. .THURSDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................86-100. * 24 hr trend..................3 degrees warmer. * Min Humidity....................21-29 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming west 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Light and variable in the morning becoming southwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .THURSDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms. * Min Temperature.................64-79. * 24 hr trend..................Little change. * Max Humidity....................45-63 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............11 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................86-99. * 24 hr trend..................Little change. * Min Humidity....................20-29 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .EXTENDED... .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 62-80. Highs 88-102. Northwest winds 5 to 15 mph. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 62-80. Highs 88-103. Southeast winds 5 to 15 mph. .MONDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-79. Highs 84-101. East winds 5 to 15 mph. .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-79. Highs 84-100. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 60-77. Highs 84-99. $$ CAZ232-280900- Imperial County And Eastern Riverside County- 158 PM PDT Wed Aug 27 2025 .TONIGHT... * Sky/weather.....................Mostly cloudy. Slight chance of showers. * Min Temperature.................79-85. * 24 hr trend..................3 degrees warmer. * Max Humidity....................36-60 pct. * 24 hr trend..................14 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming southeast 10 to 20 mph after midnight. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............9 percent. .THURSDAY... * Sky/weather.....................Cloudy. Chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................86-94. * 24 hr trend..................8 degrees cooler. * Min Humidity....................30-42 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............10 percent. .THURSDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers in the evening. * Min Temperature.................74-80. * 24 hr trend..................5 degrees cooler. * Max Humidity....................51-77 pct. * 24 hr trend..................16 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 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.................92-101. * 24 hr trend..................7 degrees warmer. * Min Humidity....................23-34 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...............4 percent. .EXTENDED... .SATURDAY...Clear. Lows 77-86. Highs 98-107. West winds 5 to 15 mph. .SUNDAY...Clear. Lows 80-86. Highs 100-110. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-86. Highs 99-109. South winds 5 to 15 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-85. Highs 98-107. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-85. Highs 98-107. $$ CAZ230-280900- Joshua Tree National Park- 158 PM PDT Wed Aug 27 2025 .TONIGHT... * Sky/weather.....................Mostly cloudy. * Min Temperature.................66-81. * 24 hr trend..................Little change. * Max Humidity....................38-48 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............East 5 to 15 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .THURSDAY... * Sky/weather.....................Mostly cloudy. Slight chance of showers in the morning becoming chance of showers in the afternoon. * Max Temperature.................75-88. * 24 hr trend..................9 degrees cooler. * Min Humidity....................30-39 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............7 percent. .THURSDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers in the evening. * Min Temperature.................62-74. * 24 hr trend..................4 degrees cooler. * Max Humidity....................56-66 pct. * 24 hr trend..................18 pct wetter. * 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................20 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................82-95. * 24 hr trend..................8 degrees warmer. * Min Humidity....................25-36 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the morning becoming west 5 to 15 mph in the afternoon. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .EXTENDED... .SATURDAY...Clear. Lows 67-81. Highs 87-100. Northwest winds 5 to 10 mph. .SUNDAY...Clear. Lows 71-81. Highs 90-104. West winds 5 to 15 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 70-81. Highs 89-102. Southwest winds 5 to 15 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 69-80. Highs 88-101. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 68-80. Highs 87-101. $$ .8 TO 10 DAY OUTLOOK...Thursday September 4th through Saturday September 6th: Near to above normal temperatures and above median precipitation.