Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
645 FNUS55 KPSR 091932 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1232 PM MST Sat Aug 9 2025 .DISCUSSION... Above normal temperatures will continue into early next week with slightly elevated moisture levels providing mostly eastern Arizona high terrain chances (10-25%) for showers and thunderstorms. Chances of wetting rainfall will remain below 10% resulting in enhanced chances of dry lightning and new fire starts. Minimum afternoon humidity levels will mostly range between 15-20% 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. AZZ132-100745- 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- 1232 PM MST Sat Aug 9 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-90. * 24 hr trend..................Little change. * Max Humidity....................40-53 pct. * 24 hr trend..................3 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...............7 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................105-110. * 24 hr trend..................Little change. * Min Humidity....................16-21 pct. * 24 hr trend..................Little change. * 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...............6 percent. * Mixing Height for Phoenix.......11800 ft AGL. * Transport Wind for Phoenix......West 11 knots. * Dispersion for Phoenix..........Excellent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................81-91. * 24 hr trend..................Little change. * Max Humidity....................37-48 pct. * 24 hr trend..................3 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...............7 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................106-111. * 24 hr trend..................Little change. * Min Humidity....................14-19 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. * Mixing Height for Phoenix.......8800 ft AGL. * Transport Wind for Phoenix......West 10 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .TUESDAY...Mostly clear. Lows 80-90. Highs 106-113. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-89. Highs 105-111. South winds 5 to 15 mph. .THURSDAY...Mostly clear with chance of showers and thunderstorms. Lows 77-87. Highs 102-108. South winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-86. Highs 100-106. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 98-105. $$ AZZ131-CAZ231-100745- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1232 PM MST Sat Aug 9 2025 /1232 PM PDT Sat Aug 9 2025/ .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................47-66 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..South 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...............4 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................107-112. * 24 hr trend..................Little change. * Min Humidity....................17-21 pct. * 24 hr trend..................Little RH 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...............4 percent. * Mixing Height for Yuma..........6100 ft AGL. * Transport Wind for Yuma.........South 11 knots. * Dispersion for Yuma.............Good. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................81-86. * 24 hr trend..................Little change. * Max Humidity....................44-62 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Northwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................109-114. * 24 hr trend..................Little change. * Min Humidity....................14-18 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Northwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. * Mixing Height for Yuma..........6600 ft AGL. * Transport Wind for Yuma.........South 9 knots. * Dispersion for Yuma.............Good. .EXTENDED... .TUESDAY...Mostly clear. Lows 79-85. Highs 109-114. South winds 10 to 20 mph. .WEDNESDAY...Mostly clear. Lows 78-84. Highs 107-112. South winds 10 to 20 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-82. Highs 105-110. South winds 10 to 20 mph. .FRIDAY...Clear with slight chance of showers and thunderstorms. Lows 75-82. Highs 102-107. .SATURDAY...Clear. Lows 73-79. Highs 101-106. $$ AZZ133-100745- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1232 PM MST Sat Aug 9 2025 .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................65-82. * 24 hr trend..................Little change. * Max Humidity....................42-57 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * 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. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................92-106. * 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 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...............17 percent. .SUNDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms . * Min Temperature.................64-82. * 24 hr trend..................Little change. * Max Humidity....................42-59 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph in the evening becoming southwest 5 to 10 mph after midnight. * Winds...10000 FT MSL............Northwest 15 to 25 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............24 percent. .MONDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................91-106. * 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 in the morning becoming 5 to 15 mph in the afternoon. * 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. .EXTENDED... .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 64-82. Highs 92-107. Southwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 63-82. Highs 92-106. Southwest winds 5 to 15 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 63-81. Highs 91-105. West winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 62-80. Highs 88-102. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 62-79. Highs 85-100. $$ CAZ232-100745- Imperial County And Eastern Riverside County- 1232 PM PDT Sat Aug 9 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-87. * 24 hr trend..................Little change. * Max Humidity....................34-71 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. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................103-113. * 24 hr trend..................Little change. * Min Humidity....................14-21 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...............7 percent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................81-88. * 24 hr trend..................Little change. * Max Humidity....................25-63 pct. * 24 hr trend..................9 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...............2 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................104-114. * 24 hr trend..................Little change. * Min Humidity....................11-16 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..South 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...............1 percent. .EXTENDED... .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 77-85. Highs 102-112. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 101-111. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 73-81. Highs 98-108. .SATURDAY...Clear. Lows 72-79. Highs 96-106. $$ CAZ230-100745- Joshua Tree National Park- 1232 PM PDT Sat Aug 9 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................74-84. * 24 hr trend..................Little change. * Max Humidity....................26-36 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 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. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................94-108. * 24 hr trend..................Little change. * Min Humidity....................14-20 pct. * 24 hr trend..................Little 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...............8 percent. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................74-84. * 24 hr trend..................Little change. * Max Humidity....................22-29 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...............2 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................95-108. * 24 hr trend..................Little change. * Min Humidity....................11-16 pct. * 24 hr trend..................4 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...............1 percent. .EXTENDED... .TUESDAY...Clear. Lows 71-83. Highs 95-108. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 69-82. Highs 93-107. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Clear. Lows 66-80. Highs 91-105. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 64-76. Highs 88-102. .SATURDAY...Clear. Lows 63-74. Highs 86-100. $$ .8 TO 10 DAY OUTLOOK...Sunday August 17th through Tuesday August 19th: Near normal temperatures and near median precipitation.