Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
120 FNUS55 KPSR 010827 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 127 AM MST Fri Aug 1 2025 .DISCUSSION... Drying conditions will occur today into the weekend with only a limited chance for a few showers and isolated thunderstorms over the eastern Arizona higher terrain through this evening. Afternoon MinRHs today will still be between 10-15% across the lower deserts to 15-20% in higher terrain areas before dropping further into the weekend. Winds will generally follow diurnal tendencies with typical afternoon upslope gustiness. Temperatures will remain above normal with lower desert highs mostly between 108-114 degrees. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-012030- 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- 127 AM MST Fri Aug 1 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................105-112. * 24 hr trend..................Little change. * Min Humidity....................11-15 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............South 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......13400 ft AGL. * Transport Wind for Phoenix......Southwest 7 knots. * Dispersion for Phoenix..........Very good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................76-86. * 24 hr trend..................Little change. * Max Humidity....................17-28 pct. * 24 hr trend..................19 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................107-113. * 24 hr trend..................Little change. * Min Humidity....................6-10 pct. * 24 hr trend..................5 pct drier. * 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...............0 percent. * Mixing Height for Phoenix.......11900 ft AGL. * Transport Wind for Phoenix......Southwest 12 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .SUNDAY...Clear. Lows 75-85. Highs 106-112. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 76-86. Highs 105-111. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 79-89. Highs 106-112. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 81-91. Highs 109-115. .THURSDAY...Mostly clear. Lows 82-92. Highs 110-116. $$ AZZ131-CAZ231-012030- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 127 AM MST Fri Aug 1 2025 /127 AM PDT Fri Aug 1 2025/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................107-112. * 24 hr trend..................Little change. * Min Humidity....................10-14 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........8800 ft AGL. * Transport Wind for Yuma.........South 12 knots. * Dispersion for Yuma.............Excellent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................74-79. * 24 hr trend..................Little change. * Max Humidity....................20-30 pct. * 24 hr trend..................22 pct drier. * 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...............0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................108-113. * 24 hr trend..................Little change. * Min Humidity....................4-8 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..West 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...............0 percent. * Mixing Height for Yuma..........8100 ft AGL. * Transport Wind for Yuma.........Southwest 8 knots. * Dispersion for Yuma.............Good. .EXTENDED... .SUNDAY...Clear. Lows 71-79. Highs 107-112. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 74-81. Highs 106-111. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 77-84. Highs 107-112. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 80-86. Highs 110-115. .THURSDAY...Mostly clear. Lows 81-86. Highs 112-117. $$ AZZ133-012030- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 127 AM MST Fri Aug 1 2025 .TODAY... * Sky/weather.....................Sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................92-107. * 24 hr trend..................Little change. * Min Humidity....................13-20 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 southwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................66-82. * 24 hr trend..................Little change. * Max Humidity....................25-49 pct. * 24 hr trend..................15 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming northeast after midnight. * 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...............3 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................94-109. * 24 hr trend..................Little change. * Min Humidity....................8-14 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. * 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. .EXTENDED... .SUNDAY...Clear. Lows 62-80. Highs 94-107. Northwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 62-82. Highs 94-108. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 65-84. Highs 95-109. Northwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 67-85. Highs 97-111. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 67-85. Highs 97-112. $$ CAZ232-012030- Imperial County And Eastern Riverside County- 127 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................101-111. * 24 hr trend..................Little change. * Min Humidity....................6-10 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................74-81. * 24 hr trend..................Little change. * Max Humidity....................14-31 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..West 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...............0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................103-113. * 24 hr trend..................Little change. * Min Humidity....................3-7 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 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...............0 percent. .EXTENDED... .SUNDAY...Clear. Lows 74-81. Highs 102-112. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 74-82. Highs 102-112. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 77-86. Highs 102-112. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 80-89. Highs 105-115. .THURSDAY...Mostly clear. Lows 82-89. Highs 107-116. $$ CAZ230-012030- Joshua Tree National Park- 127 AM PDT Fri Aug 1 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................91-105. * 24 hr trend..................Little change. * Min Humidity....................6-10 pct. * 24 hr trend..................Little 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.....................Clear. * Min Temperature.................67-76. * 24 hr trend..................Little change. * Max Humidity....................15-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 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...............0 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................92-106. * 24 hr trend..................Little change. * Min Humidity....................5-9 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............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SUNDAY...Clear. Lows 67-76. Highs 92-107. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 67-77. Highs 91-105. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 69-80. Highs 92-106. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 71-83. Highs 94-109. .THURSDAY...Mostly clear. Lows 73-83. Highs 96-110. $$ .8 TO 10 DAY OUTLOOK...Friday August 8th through Sunday August 10th: Above normal temperatures and near to below median precipitation.