


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
525 FNUS55 KPSR 060748 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1248 AM MST Wed Aug 6 2025 .DISCUSSION... Very hot conditions with record or near record high temperatures are expected today and Thursday. Marginal moisture may allow some isolated afternoon weak storms to form over the high terrain of the far eastern district, bringing slight chances (~10%) for dry lightning. Winds will follow typical diurnal patterns with afternoon upslope gusts to 15-25 mph. Afternoon minRHs will remain stable through Thursday, with values bottoming out between 8-12% across the lower deserts to 15% for higher terrain areas. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-062000- 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- 1248 AM MST Wed Aug 6 2025 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................109-116. * 24 hr trend..................3 degrees warmer. * Min Humidity....................9-13 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. * Mixing Height for Phoenix.......14400 ft AGL. * Transport Wind for Phoenix......West 8 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................84-94. * 24 hr trend..................Little change. * Max Humidity....................17-24 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming north after midnight. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .THURSDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................110-117. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............South 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...............6 percent. * Mixing Height for Phoenix.......15700 ft AGL. * Transport Wind for Phoenix......West 6 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-90. Highs 105-111. Southwest winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-90. Highs 104-109. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-90. Highs 105-110. Southwest winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 80-90. Highs 106-112. .TUESDAY...Mostly clear. Lows 79-89. Highs 105-111. $$ AZZ131-CAZ231-062000- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1248 AM MST Wed Aug 6 2025 /1248 AM PDT Wed Aug 6 2025/ .TODAY... * Sky/weather.....................Mostly sunny. Areas of smoke in the morning. * Max Temperature.................111-116. * 24 hr trend..................3 degrees warmer. * Min Humidity....................9-13 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 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...............0 percent. * Mixing Height for Yuma..........11700 ft AGL. * Transport Wind for Yuma.........Southwest 9 knots. * Dispersion for Yuma.............Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-87. * 24 hr trend..................3 degrees warmer. * Max Humidity....................19-28 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming northwest after midnight. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................112-117. * 24 hr trend..................Little change. * Min Humidity....................9-13 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. * Mixing Height for Yuma..........13600 ft AGL. * Transport Wind for Yuma.........South 8 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .FRIDAY...Mostly clear. Lows 80-86. Highs 108-113. South winds 10 to 20 mph. .SATURDAY...Mostly clear. Lows 79-84. Highs 105-110. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 79-84. Highs 107-112. South winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 78-84. Highs 108-113. .TUESDAY...Clear. Lows 77-84. Highs 107-112. $$ AZZ133-062000- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1248 AM MST Wed Aug 6 2025 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................98-112. * 24 hr trend..................3 degrees warmer. * Min Humidity....................10-14 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming west 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. .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................69-86. * 24 hr trend..................Little change. * Max Humidity....................21-36 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Northwest 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............9 percent. .THURSDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................98-113. * 24 hr trend..................Little change. * Min Humidity....................8-13 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming southwest in the afternoon. * 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...............5 percent. .EXTENDED... .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 66-84. Highs 95-108. West winds 10 to 20 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 65-83. Highs 93-106. West winds 5 to 15 mph. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 64-82. Highs 92-107. Northwest winds 5 to 15 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 64-82. Highs 92-107. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 64-82. Highs 92-107. $$ CAZ232-062000- Imperial County And Eastern Riverside County- 1248 AM PDT Wed Aug 6 2025 .TODAY... * Sky/weather.....................Mostly sunny. Areas of smoke in the morning. * Max Temperature.................105-115. * 24 hr trend..................3 degrees warmer. * Min Humidity....................7-11 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Mostly clear. Areas of smoke after midnight. * Min Temperature.................82-88. * 24 hr trend..................Little change. * Max Humidity....................15-30 pct. * 24 hr trend..................Little RH change. * 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...............0 percent. .THURSDAY... * Sky/weather.....................Mostly sunny. Areas of smoke in the morning. * Max Temperature.................108-117. * 24 hr trend..................Little change. * Min Humidity....................7-11 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming south 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .EXTENDED... .FRIDAY...Mostly clear. Lows 79-88. Highs 103-113. South winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 79-86. Highs 101-111. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 79-87. Highs 102-112. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 79-87. Highs 103-113. .TUESDAY...Clear. Lows 77-86. Highs 102-112. $$ CAZ230-062000- Joshua Tree National Park- 1248 AM PDT Wed Aug 6 2025 .TODAY... * Sky/weather.....................Sunny. Areas of smoke in the morning. * Max Temperature.................94-109. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Mostly clear. Areas of smoke. * Min Temperature.................73-81. * 24 hr trend..................Little change. * Max Humidity....................17-21 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................96-111. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .EXTENDED... .FRIDAY...Clear. Lows 71-83. Highs 94-108. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 71-81. Highs 92-105. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 71-81. Highs 92-106. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 70-81. Highs 93-107. .TUESDAY...Clear. Lows 69-80. Highs 92-107. $$ .8 TO 10 DAY OUTLOOK...Wednesday August 13th through Friday August 15th: Above normal temperatures and near median precipitation.