Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
162 FNUS55 KPSR 021030 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 330 AM MST Tue Sep 2 2025 .DISCUSSION... Increasing moisture levels and cooling temperatures will result in better chances for wetting rainfall and fire weather conditions remaining below critical thresholds. Enhanced moisture availability will lead to MinRHs only falling to between 15-30% following fair to good overnight recoveries ranging 40-70%. East winds will prevail through much of Wednesday with some occasional gustiness. Thunderstorms will be capable of creating strong and long traveling outflows during the late afternoon/evening with widespread strong, gusty winds. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-022230- 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- 330 AM MST Tue Sep 2 2025 .TODAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................100-107. * 24 hr trend..................Little change. * Min Humidity....................18-28 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Southeast 15 to 25 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................20 percent west portion...10 percent east portion. * Chance of Thunder...............28 percent. * Mixing Height for Phoenix.......13200 ft AGL. * Transport Wind for Phoenix......Southeast 14 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Partly cloudy. Patchy blowing dust in the evening. Slight chance of showers and thunderstorms . * Min Temperature.................77-87. * 24 hr trend..................4 degrees cooler. * Max Humidity....................49-64 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southeast 15 to 25 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................10 percent west portion...0 percent east portion. * Chance of Thunder...............27 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms . * Max Temperature.................97-103. * 24 hr trend..................3 degrees cooler. * Min Humidity....................24-33 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............21 percent. * Mixing Height for Phoenix.......11000 ft AGL. * Transport Wind for Phoenix......Southwest 6 knots. * Dispersion for Phoenix..........Good. .EXTENDED... .THURSDAY...Partly cloudy with chance of thunderstorms and slight chance of showers. Lows 73-83. Highs 94-99. South winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 73-83. Highs 90-95. Southeast winds 5 to 15 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 73-83. Highs 90-96. South winds 5 to 10 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 73-83. Highs 92-98. .MONDAY...Clear. Lows 73-83. Highs 94-100. $$ AZZ131-CAZ231-022230- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 330 AM MST Tue Sep 2 2025 /330 AM PDT Tue Sep 2 2025/ .TODAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................99-105. * 24 hr trend..................6 degrees cooler. * Min Humidity....................26-34 pct. * 24 hr trend..................9 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............29 percent. * Mixing Height for Yuma..........8200 ft AGL. * Transport Wind for Yuma.........Southwest 7 knots. * Dispersion for Yuma.............Good. .TONIGHT... * Sky/weather.....................Partly cloudy. Patchy blowing dust in the evening. Chance of showers and thunderstorms in the evening becoming slight chance of showers and thunderstorms after midnight. * Min Temperature.................77-82. * 24 hr trend..................4 degrees cooler. * Max Humidity....................59-74 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............29 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms . * Max Temperature.................97-102. * 24 hr trend..................Little change. * Min Humidity....................29-36 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............South 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............18 percent. * Mixing Height for Yuma..........8200 ft AGL. * Transport Wind for Yuma.........Southwest 6 knots. * Dispersion for Yuma.............Fair. .EXTENDED... .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 76-84. Highs 96-101. South winds 10 to 20 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 76-81. Highs 93-98. South winds 10 to 20 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 75-81. Highs 94-99. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 75-80. Highs 95-100. .MONDAY...Clear. Lows 73-80. Highs 97-102. $$ AZZ133-022230- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 330 AM MST Tue Sep 2 2025 .TODAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................86-103. * 24 hr trend..................Little change. * Min Humidity....................14-22 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Southeast 15 to 25 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............19 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................62-79. * 24 hr trend..................Little change. * Max Humidity....................41-58 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Southeast 15 to 25 mph. * Chance of Precip................20 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............15 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................86-101. * 24 hr trend..................Little change. * Min Humidity....................17-26 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southeast 10 to 20 mph in the morning becoming light and variable 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...............18 percent. .EXTENDED... .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 60-78. Highs 83-97. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 59-74. Highs 77-90. South winds 5 to 15 mph. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 58-74. Highs 76-90. South winds 5 to 15 mph. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 58-75. Highs 80-93. .MONDAY...Mostly clear. Lows 58-75. Highs 82-96. $$ CAZ232-022230- Imperial County And Eastern Riverside County- 330 AM PDT Tue Sep 2 2025 .TODAY... * Sky/weather.....................Partly sunny. Chance of showers in the morning. slight chance of thunderstorms . slight chance of showers in the afternoon. * Max Temperature.................93-103. * 24 hr trend..................8 degrees cooler. * Min Humidity....................25-37 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............23 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. Patchy blowing dust in the evening. Slight chance of showers and thunderstorms . * Min Temperature.................77-82. * 24 hr trend..................5 degrees cooler. * Max Humidity....................53-79 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southeast 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............23 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................93-101. * 24 hr trend..................Little change. * Min Humidity....................27-38 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............17 percent. .EXTENDED... .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 75-85. Highs 92-101. South winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 75-81. Highs 90-98. Southeast winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-81. Highs 90-99. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 74-80. Highs 90-99. .MONDAY...Clear. Lows 73-80. Highs 92-102. $$ CAZ230-022230- Joshua Tree National Park- 330 AM PDT Tue Sep 2 2025 .TODAY... * Sky/weather.....................Mostly cloudy. Slight chance of showers and thunderstorms in the morning becoming chance of showers and thunderstorms in the afternoon. * Max Temperature.................83-96. * 24 hr trend..................9 degrees cooler. * Min Humidity....................28-36 pct. * 24 hr trend..................17 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming north in the afternoon. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................50 percent. * CWR (>= 0.10 IN)................40 percent. * Chance of Thunder...............30 percent. .TONIGHT... * Sky/weather.....................Mostly cloudy in the evening becoming partly cloudy after midnight. Patchy blowing dust in the evening. Chance of showers and slight chance of thunderstorms . * Min Temperature.................65-77. * 24 hr trend..................6 degrees cooler. * Max Humidity....................57-69 pct. * 24 hr trend..................15 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............East 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................30 percent. * Chance of Thunder...............26 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................80-93. * 24 hr trend..................Little change. * Min Humidity....................34-47 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southwest 5 to 15 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................30 percent. * Chance of Thunder...............21 percent. .EXTENDED... .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 65-80. Highs 82-95. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 64-76. Highs 80-93. South winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 62-76. Highs 80-93. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 62-75. Highs 80-93. .MONDAY...Clear. Lows 62-75. Highs 82-96. $$ .8 TO 10 DAY OUTLOOK...Tuesday September 9th through Thursday September 11th: Near normal temperatures and near median precipitation.