Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
916 FNUS55 KPSR 082101 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 201 PM MST Fri Aug 8 2025 .DISCUSSION... Temperatures will cool slightly through the weekend but still remain above normal. Thunderstorms will be relegated to mainly the higher terrain areas of eastern Arizona with limited chances of wetting rainfall and enhanced chances of dry lightning and new fire starts. Minimum afternoon humidity levels will range between 10-20% with fair to good overnight recoveries. Winds will retain an afternoon upslope component with gusts to 15-20 mph common. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-090915- 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- 201 PM MST Fri Aug 8 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................79-89. * 24 hr trend..................3 degrees cooler. * Max Humidity....................43-58 pct. * 24 hr trend..................9 pct wetter. * 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...............5 percent. .SATURDAY... * Sky/weather.....................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............Southwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. * Mixing Height for Phoenix.......9500 ft AGL. * Transport Wind for Phoenix......West 12 knots. * Dispersion for Phoenix..........Excellent. .SATURDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................80-90. * 24 hr trend..................Little change. * Max Humidity....................37-49 pct. * 24 hr trend..................6 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................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * 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..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...............7 percent. * Mixing Height for Phoenix.......9900 ft AGL. * Transport Wind for Phoenix......West 10 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .MONDAY...Mostly clear. Lows 81-91. Highs 107-112. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 80-90. Highs 107-113. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-88. Highs 104-111. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 77-87. Highs 102-109. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-86. Highs 100-106. $$ AZZ131-CAZ231-090915- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 201 PM MST Fri Aug 8 2025 /201 PM PDT Fri Aug 8 2025/ .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................79-84. * 24 hr trend..................3 degrees cooler. * Max Humidity....................52-71 pct. * 24 hr trend..................9 pct wetter. * 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...............3 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................106-111. * 24 hr trend..................Little change. * Min Humidity....................18-22 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...............2 percent. * Mixing Height for Yuma..........5400 ft AGL. * Transport Wind for Yuma.........South 12 knots. * Dispersion for Yuma.............Good. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................43-62 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 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...............4 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................108-113. * 24 hr trend..................Little change. * Min Humidity....................15-19 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. * Mixing Height for Yuma..........6500 ft AGL. * Transport Wind for Yuma.........South 9 knots. * Dispersion for Yuma.............Good. .EXTENDED... .MONDAY...Mostly clear. Lows 80-85. Highs 110-115. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 78-85. Highs 109-114. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 77-84. Highs 107-112. South winds 10 to 20 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-81. Highs 105-110. .FRIDAY...Clear. Lows 75-81. Highs 102-107. $$ AZZ133-090915- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 201 PM MST Fri Aug 8 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................66-82. * 24 hr trend..................4 degrees cooler. * Max Humidity....................44-57 pct. * 24 hr trend..................18 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. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................94-107. * 24 hr trend..................Little change. * Min Humidity....................13-20 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 15 mph. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............12 percent. .SATURDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................65-82. * 24 hr trend..................Little change. * Max Humidity....................41-54 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming north after midnight. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................20 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............17 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * 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..West 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. .EXTENDED... .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 65-82. Highs 93-107. Southwest winds 10 to 20 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 65-82. Highs 93-108. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 64-82. Highs 93-107. West winds 10 to 20 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 63-81. Highs 91-105. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 63-80. Highs 88-101. $$ CAZ232-090915- Imperial County And Eastern Riverside County- 201 PM PDT Fri Aug 8 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................79-86. * 24 hr trend..................Little change. * Max Humidity....................34-75 pct. * 24 hr trend..................17 pct wetter. * Winds - 20 foot...Slope/Valley..South 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...............2 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................102-112. * 24 hr trend..................3 degrees cooler. * Min Humidity....................15-22 pct. * 24 hr trend..................4 pct wetter. * 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...............6 percent. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................81-88. * 24 hr trend..................Little change. * Max Humidity....................28-63 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..South 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...............3 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................104-114. * 24 hr trend..................Little change. * Min Humidity....................12-18 pct. * 24 hr trend..................3 pct drier. * 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...............4 percent. .EXTENDED... .MONDAY...Clear. Lows 81-89. Highs 105-115. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .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 76-85. Highs 103-113. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 74-83. Highs 101-111. .FRIDAY...Clear. Lows 73-81. Highs 98-108. $$ CAZ230-090915- Joshua Tree National Park- 201 PM PDT Fri Aug 8 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................74-83. * 24 hr trend..................3 degrees cooler. * Max Humidity....................20-32 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 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...............1 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................94-107. * 24 hr trend..................3 degrees cooler. * Min Humidity....................13-19 pct. * 24 hr trend..................7 pct wetter. * 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...............7 percent. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................74-84. * 24 hr trend..................Little change. * Max Humidity....................22-30 pct. * 24 hr trend..................Little RH change. * 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...............2 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................95-109. * 24 hr trend..................Little change. * Min Humidity....................12-16 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...............4 percent. .EXTENDED... .MONDAY...Clear. Lows 73-84. Highs 96-109. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 70-83. Highs 95-108. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 68-81. Highs 92-107. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 65-79. Highs 91-105. .FRIDAY...Clear. Lows 63-76. Highs 88-101. $$ .8 TO 10 DAY OUTLOOK...Saturday August 16th through Monday August 18th: Above normal temperatures and near to above median precipitation.