Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
686 FNUS55 KPSR 300736 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1236 AM MST Sun Aug 30 2026 .DISCUSSION... Elevated moisture and rain chances will persist across the eastern districts through Monday with gusty winds, heavy rainfall, and localized flooding still a threat. The western districts will generally stay dry with at most a few isolated showers and storms. Expect MinRHs of 15-20% across the western districts to 25-40% over the eastern districts before drying out again beginning Tuesday. Temperatures will range from around normal over western districts to slightly below normal over the eastern districts. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-301945- 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- 1236 AM MST Sun Aug 30 2026 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................99-106. * 24 hr trend..................6 degrees cooler. * Min Humidity....................26-32 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent west portion...10 percent east portion. * Chance of Thunder...............14 percent. * Mixing Height for Phoenix.......4600 ft AGL. * Transport Wind for Phoenix......Southwest 13 knots. * Dispersion for Phoenix..........Good. .TONIGHT... * Sky/weather.....................Partly cloudy. Patchy blowing dust in the evening. Chance of showers and thunderstorms in the evening. slight chance of showers and thunderstorms after midnight. * Min Temperature.................75-85. * 24 hr trend..................4 degrees cooler. * Max Humidity....................55-79 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................0 percent west portion...50 percent east portion. * Chance of Thunder...............27 percent. .MONDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................94-103. * 24 hr trend..................4 degrees cooler. * Min Humidity....................24-40 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................0 percent west portion...20 percent east portion. * Chance of Thunder...............25 percent. * Mixing Height for Phoenix.......7100 ft AGL. * Transport Wind for Phoenix......South 9 knots. * Dispersion for Phoenix..........Good. .EXTENDED... .TUESDAY...Mostly clear. Lows 73-83. Highs 96-103. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 76-86. Highs 98-105. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 77-87. Highs 99-106. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-87. Highs 98-105. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-87. Highs 97-103. $$ AZZ131-CAZ231-301945- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1236 AM MST Sun Aug 30 2026 /1236 AM PDT Sun Aug 30 2026/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................104-109. * 24 hr trend..................4 degrees cooler. * Min Humidity....................20-27 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 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..........8800 ft AGL. * Transport Wind for Yuma.........South 9 knots. * Dispersion for Yuma.............Very good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................41-55 pct. * 24 hr trend..................6 pct drier. * 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...............0 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................101-106. * 24 hr trend..................3 degrees cooler. * Min Humidity....................19-24 pct. * 24 hr trend..................Little RH 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...............0 percent. * Mixing Height for Yuma..........8700 ft AGL. * Transport Wind for Yuma.........South 8 knots. * Dispersion for Yuma.............Good. .EXTENDED... .TUESDAY...Mostly clear. Lows 78-83. Highs 100-105. South winds 10 to 20 mph. .WEDNESDAY...Mostly clear. Lows 78-83. Highs 101-106. Southwest winds 10 to 20 mph. .THURSDAY...Mostly clear. Lows 78-84. Highs 102-107. South winds 10 to 20 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-84. Highs 101-106. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 79-84. Highs 99-104. $$ AZZ133-301945- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1236 AM MST Sun Aug 30 2026 .TODAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................85-100. * 24 hr trend..................6 degrees cooler. * Min Humidity....................28-39 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................50 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............47 percent. .TONIGHT... * Sky/weather.....................Partly cloudy in the evening becoming mostly cloudy after midnight. Chance of thunderstorms in the evening. chance of showers . slight chance of thunderstorms after midnight. * Min Temperature.................63-76. * 24 hr trend..................4 degrees cooler. * Max Humidity....................70-90 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming north after midnight. * Winds...10000 FT MSL............Light and variable in the evening becoming southwest 10 to 20 mph after midnight. * Chance of Precip................60 percent. * CWR (>= 0.10 IN)................50 percent. * Chance of Thunder...............48 percent. .MONDAY... * Sky/weather.....................Mostly cloudy. Chance of showers and thunderstorms. * Max Temperature.................80-94. * 24 hr trend..................6 degrees cooler. * Min Humidity....................36-51 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................60 percent. * CWR (>= 0.10 IN)................50 percent. * Chance of Thunder...............50 percent. .EXTENDED... .TUESDAY...Mostly clear with chance of showers and slight chance of thunderstorms. Lows 60-77. Highs 83-97. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 62-78. Highs 85-100. Northwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 62-78. Highs 86-101. Northwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 64-78. Highs 86-99. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 64-79. Highs 86-100. $$ CAZ232-301945- Imperial County And Eastern Riverside County- 1236 AM PDT Sun Aug 30 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................100-110. * 24 hr trend..................3 degrees cooler. * Min Humidity....................15-22 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 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. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................78-84. * 24 hr trend..................3 degrees cooler. * Max Humidity....................30-43 pct. * 24 hr trend..................6 pct drier. * 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. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................96-106. * 24 hr trend..................4 degrees cooler. * 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 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Mostly clear. Lows 75-83. Highs 95-105. Southwest winds 10 to 20 mph. .WEDNESDAY...Mostly clear. Lows 76-83. Highs 95-105. West winds 10 to 20 mph. .THURSDAY...Mostly clear. Lows 76-84. Highs 97-106. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-84. Highs 97-106. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 78-84. Highs 95-104. $$ CAZ230-301945- Joshua Tree National Park- 1236 AM PDT Sun Aug 30 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................88-103. * 24 hr trend..................3 degrees cooler. * Min Humidity....................16-23 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 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. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................65-80. * 24 hr trend..................3 degrees cooler. * Max Humidity....................31-40 pct. * 24 hr trend..................6 pct drier. * 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. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................84-99. * 24 hr trend..................4 degrees cooler. * Min Humidity....................15-21 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. .EXTENDED... .TUESDAY...Mostly clear. Lows 61-77. Highs 83-98. Southwest winds 10 to 20 mph. .WEDNESDAY...Mostly clear. Lows 62-77. Highs 83-98. West winds 10 to 20 mph. .THURSDAY...Mostly clear. Lows 62-79. Highs 85-101. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 65-80. Highs 86-101. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 66-80. Highs 85-98. $$ .8 TO 10 DAY OUTLOOK...Sunday September 6th through Tuesday September 8th: Above normal temperatures and above median precipitation.