Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
256 FNUS55 KPSR 120757 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1257 AM MST Tue Aug 12 2025 .DISCUSSION... Above normal temperatures are expected over the next couple days with moisture levels remaining fairly limited. Isolated afternoon thunderstorms will remain possible mainly over the eastern Arizona high terrain with dry lightning a possibility due to less than 10% chances of wetting rainfall. 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. AZZ132-122000- 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- 1257 AM MST Tue Aug 12 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................106-112. * 24 hr trend..................Little change. * Min Humidity....................14-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Northwest 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. * Mixing Height for Phoenix.......8700 ft AGL. * Transport Wind for Phoenix......West 11 knots. * Dispersion for Phoenix..........Very good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-90. * 24 hr trend..................Little change. * Max Humidity....................34-43 pct. * 24 hr trend..................Little change. * 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...............4 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................106-112. * 24 hr trend..................Little change. * Min Humidity....................15-20 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest in the afternoon. * 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...............8 percent. * Mixing Height for Phoenix.......10500 ft AGL. * Transport Wind for Phoenix......West 10 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .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 75-85. Highs 98-106. South winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 73-83. Highs 97-104. South winds 5 to 15 mph. .SUNDAY...Clear. Lows 73-83. Highs 99-105. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 102-107. $$ AZZ131-CAZ231-122000- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1257 AM MST Tue Aug 12 2025 /1257 AM PDT Tue Aug 12 2025/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................109-114. * 24 hr trend..................Little change. * Min Humidity....................14-19 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 southwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. * Mixing Height for Yuma..........5700 ft AGL. * Transport Wind for Yuma.........South 11 knots. * Dispersion for Yuma.............Good. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................40-57 pct. * 24 hr trend..................Little RH 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...............3 percent. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................108-113. * 24 hr trend..................Little change. * Min Humidity....................16-21 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 southwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. * Mixing Height for Yuma..........5800 ft AGL. * Transport Wind for Yuma.........South 13 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .THURSDAY...Mostly clear. Lows 78-85. Highs 106-111. South winds 10 to 20 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 75-83. Highs 102-107. South winds 10 to 20 mph. .SATURDAY...Clear. Lows 72-80. Highs 100-105. South winds 5 to 15 mph. .SUNDAY...Clear. Lows 71-76. Highs 101-106. .MONDAY...Clear. Lows 72-80. Highs 103-108. $$ AZZ133-122000- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1257 AM MST Tue Aug 12 2025 .TODAY... * Sky/weather.....................Sunny. Areas of smoke . haze in the afternoon. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................92-106. * 24 hr trend..................Little change. * Min Humidity....................14-20 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 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............15 percent. .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................63-81. * 24 hr trend..................Little change. * Max Humidity....................38-58 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming southeast after midnight. * Winds...10000 FT MSL............Northwest 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...............15 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Haze and areas of smoke . Chance of showers and slight chance of thunderstorms in the afternoon. * Max Temperature.................91-106. * 24 hr trend..................Little change. * Min Humidity....................16-23 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming west 5 to 15 mph in the afternoon. * 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)................10 percent. * Chance of Thunder...............27 percent. .EXTENDED... .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 63-82. Highs 90-104. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 61-79. Highs 85-100. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 61-79. Highs 84-99. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 61-79. Highs 86-101. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 63-82. Highs 89-104. $$ CAZ232-122000- Imperial County And Eastern Riverside County- 1257 AM PDT Tue Aug 12 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................104-114. * 24 hr trend..................Little change. * Min Humidity....................11-17 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .TONIGHT... * Sky/weather.....................Clear. Haze. * Min Temperature.................80-86. * 24 hr trend..................Little change. * Max Humidity....................29-63 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .WEDNESDAY... * Sky/weather.....................Sunny. Haze. * Max Temperature.................103-113. * 24 hr trend..................Little change. * Min Humidity....................12-19 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .EXTENDED... .THURSDAY...Clear. Lows 75-85. Highs 102-112. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 73-82. Highs 98-108. South winds 10 to 20 mph. .SATURDAY...Clear. Lows 72-80. Highs 95-104. South winds 5 to 15 mph. .SUNDAY...Clear. Lows 72-79. Highs 96-105. .MONDAY...Clear. Lows 73-82. Highs 97-107. $$ CAZ230-122000- Joshua Tree National Park- 1257 AM PDT Tue Aug 12 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................95-109. * 24 hr trend..................Little change. * Min Humidity....................11-16 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .TONIGHT... * Sky/weather.....................Clear. Haze. * Min Temperature.................73-84. * 24 hr trend..................Little change. * Max Humidity....................23-31 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming south 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .WEDNESDAY... * Sky/weather.....................Sunny. Haze . * Max Temperature.................94-108. * 24 hr trend..................Little change. * Min Humidity....................11-17 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 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. .EXTENDED... .THURSDAY...Clear. Lows 66-81. Highs 92-106. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 63-77. Highs 87-101. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Clear. Lows 63-74. Highs 84-98. South winds 5 to 15 mph. .SUNDAY...Clear. Lows 63-74. Highs 85-99. .MONDAY...Clear. Lows 65-76. Highs 87-101. $$ .8 TO 10 DAY OUTLOOK...Tuesday August 19th through Thursday August 21st: Near normal temperatures and near to below median precipitation.