Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
240 FNUS55 KPSR 101051 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 351 AM MST Sun Aug 10 2025 .DISCUSSION... Above normal temperatures will continue through mid-week. Isolated thunderstorms will be possible each afternoon/evening across the AZ high terrain which may produce gusty outflow winds. Chances of wetting rainfall will remain below 10% resulting in enhanced chances of dry lightning and new fire starts. Minimum afternoon humidity levels will mostly range between 15-20% with fair to good overnight recoveries. Winds will continue to follow diurnal trends with afternoon gusts up to 15-20 mph. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-102300- 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- 351 AM MST Sun Aug 10 2025 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................104-110. * 24 hr trend..................Little change. * Min Humidity....................17-22 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 morning becoming west 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. * Mixing Height for Phoenix.......10800 ft AGL. * Transport Wind for Phoenix......West 13 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................80-90. * 24 hr trend..................Little change. * Max Humidity....................38-50 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 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...............12 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................106-111. * 24 hr trend..................Little change. * Min Humidity....................14-19 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Northwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......8500 ft AGL. * Transport Wind for Phoenix......West 12 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .TUESDAY...Mostly clear. Lows 80-90. Highs 107-112. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-89. Highs 104-110. South winds 5 to 15 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-88. Highs 102-109. South winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 76-86. Highs 99-105. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 98-104. $$ AZZ131-CAZ231-102300- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 351 AM MST Sun Aug 10 2025 /351 AM PDT Sun Aug 10 2025/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................107-112. * 24 hr trend..................Little change. * Min Humidity....................17-22 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........6000 ft AGL. * Transport Wind for Yuma.........South 11 knots. * Dispersion for Yuma.............Good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................44-63 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Northwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................108-113. * 24 hr trend..................Little change. * Min Humidity....................13-19 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Northwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........5500 ft AGL. * Transport Wind for Yuma.........South 10 knots. * Dispersion for Yuma.............Good. .EXTENDED... .TUESDAY...Mostly clear. Lows 79-85. Highs 109-114. South winds 10 to 20 mph. .WEDNESDAY...Mostly clear. Lows 78-84. Highs 107-112. South winds 5 to 15 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-83. Highs 105-110. South winds 10 to 20 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-83. Highs 102-107. .SATURDAY...Clear. Lows 74-80. Highs 101-106. $$ AZZ133-102300- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 351 AM MST Sun Aug 10 2025 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................92-105. * 24 hr trend..................Little change. * Min Humidity....................16-24 pct. * 24 hr trend..................4 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 in the morning becoming 30 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............27 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. Areas of smoke in the evening. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................64-81. * 24 hr trend..................Little change. * Max Humidity....................45-65 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph in the evening becoming south 5 to 10 mph after midnight. * Winds...10000 FT MSL............Northwest 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...............19 percent. .MONDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms . * Max Temperature.................92-106. * 24 hr trend..................Little change. * Min Humidity....................15-21 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 15 to 25 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............23 percent. .EXTENDED... .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 63-82. Highs 93-106. Southwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 62-81. Highs 91-106. North winds 5 to 15 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-80. Highs 90-104. West winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-80. Highs 87-100. .SATURDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-79. Highs 86-99. $$ CAZ232-102300- Imperial County And Eastern Riverside County- 351 AM PDT Sun Aug 10 2025 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................102-112. * 24 hr trend..................Little change. * Min Humidity....................15-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................81-87. * 24 hr trend..................Little change. * Max Humidity....................27-67 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................104-114. * 24 hr trend..................Little change. * Min Humidity....................10-16 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Clear. Lows 79-87. Highs 104-114. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 78-86. Highs 102-112. South winds 10 to 20 mph. .THURSDAY...Mostly clear. Lows 76-85. Highs 101-112. South winds 10 to 20 mph. .FRIDAY...Clear with slight chance of showers and thunderstorms. Lows 73-83. Highs 98-108. .SATURDAY...Clear. Lows 72-80. Highs 96-106. $$ CAZ230-102300- Joshua Tree National Park- 351 AM PDT Sun Aug 10 2025 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................94-107. * 24 hr trend..................Little change. * Min Humidity....................15-21 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................74-84. * 24 hr trend..................Little change. * Max Humidity....................22-30 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...............0 percent. .MONDAY... * Sky/weather.....................Sunny. Areas of smoke in the morning. * Max Temperature.................96-109. * 24 hr trend..................Little change. * Min Humidity....................10-16 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 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... .TUESDAY...Clear. Lows 71-83. Highs 96-109. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 70-81. Highs 93-107. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 65-80. Highs 91-105. Southwest winds 10 to 20 mph. .FRIDAY...Clear. Lows 63-77. Highs 87-101. .SATURDAY...Clear. Lows 63-75. Highs 85-99. $$ .8 TO 10 DAY OUTLOOK...Sunday August 17th through Tuesday August 19th: Near normal temperatures and near median precipitation.