Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
392 FNUS55 KPSR 111053 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 353 AM MST Mon Aug 11 2025 .DISCUSSION... Above normal temperatures are expected through mid-week. Isolated showers and thunderstorms will be possible over the high terrain areas NE of Phoenix today and tomorrow afternoon/evening with the main threats being gusty outflow winds and dry lightning. Chances of wetting rainfall will remain below 10% over the next few days. 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. AZZ132-112300- 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- 353 AM MST Mon Aug 11 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................105-111. * 24 hr trend..................Little change. * Min Humidity....................14-19 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * 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.......9500 ft AGL. * Transport Wind for Phoenix......West 12 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-90. * 24 hr trend..................Little change. * Max Humidity....................33-43 pct. * 24 hr trend..................3 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. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................107-113. * 24 hr trend..................Little change. * Min Humidity....................13-18 pct. * 24 hr trend..................Little RH change. * 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............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.......10300 ft AGL. * Transport Wind for Phoenix......West 12 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-89. Highs 104-111. South winds 5 to 15 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-88. Highs 103-109. South winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 76-86. Highs 99-106. South winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 98-104. .SUNDAY...Clear. Lows 74-84. Highs 99-106. $$ AZZ131-CAZ231-112300- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 353 AM MST Mon Aug 11 2025 /353 AM PDT Mon Aug 11 2025/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................109-114. * 24 hr trend..................Little change. * Min Humidity....................14-19 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the morning becoming northwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........7400 ft AGL. * Transport Wind for Yuma.........South 9 knots. * Dispersion for Yuma.............Good. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................41-57 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 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. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................110-115. * 24 hr trend..................Little change. * Min Humidity....................14-19 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........6300 ft AGL. * Transport Wind for Yuma.........South 12 knots. * Dispersion for Yuma.............Good. .EXTENDED... .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-85. Highs 108-113. South winds 10 to 20 mph. .THURSDAY...Clear. Lows 79-84. Highs 106-111. South winds 10 to 20 mph. .FRIDAY...Mostly clear. Lows 76-83. Highs 103-108. South winds 10 to 20 mph. .SATURDAY...Clear. Lows 73-80. Highs 101-106. .SUNDAY...Clear. Lows 72-77. Highs 101-106. $$ AZZ133-112300- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 353 AM MST Mon Aug 11 2025 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................91-105. * 24 hr trend..................Little change. * Min Humidity....................15-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 15 to 25 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............17 percent. .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................64-81. * 24 hr trend..................Little change. * Max Humidity....................39-60 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * 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. .TUESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................92-107. * 24 hr trend..................Little change. * Min Humidity....................13-19 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............15 percent. .EXTENDED... .WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 63-81. Highs 91-105. South winds 5 to 15 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-80. Highs 89-103. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-80. Highs 85-100. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 62-79. Highs 85-99. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 62-79. Highs 88-101. $$ CAZ232-112300- Imperial County And Eastern Riverside County- 353 AM PDT Mon Aug 11 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................104-114. * 24 hr trend..................Little change. * Min Humidity....................11-17 pct. * 24 hr trend..................4 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. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-87. * 24 hr trend..................Little change. * Max Humidity....................24-61 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 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. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................105-115. * 24 hr trend..................Little change. * Min Humidity....................10-17 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the morning becoming south 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .WEDNESDAY...Clear. Lows 79-86. Highs 103-113. South winds 10 to 20 mph. .THURSDAY...Clear. Lows 75-85. Highs 102-111. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 73-82. Highs 98-108. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Clear. Lows 73-80. Highs 96-106. .SUNDAY...Clear. Lows 73-79. Highs 96-106. $$ CAZ230-112300- Joshua Tree National Park- 353 AM PDT Mon Aug 11 2025 .TODAY... * Sky/weather.....................Sunny. Areas of smoke in the morning. * Max Temperature.................95-109. * 24 hr trend..................Little change. * Min Humidity....................11-16 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. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................74-84. * 24 hr trend..................Little change. * Max Humidity....................21-26 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. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................95-110. * 24 hr trend..................Little change. * Min Humidity....................11-16 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the morning becoming south 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............South 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .WEDNESDAY...Clear. Lows 69-83. Highs 93-107. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 65-80. Highs 91-106. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 63-77. Highs 87-101. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Clear. Lows 63-74. Highs 85-99. .SUNDAY...Clear. Lows 63-74. Highs 86-100. $$ .8 TO 10 DAY OUTLOOK...Monday August 18th through Wednesday August 20th: Near normal temperatures and near median precipitation.