Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
947 FNUS55 KPSR 022036 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 136 PM MST Tue Sep 2 2025 .DISCUSSION... Increasing moisture levels will result in much better chances for wetting rainfall and a significantly reduced wildfire threat. Enhanced moisture availability will result in MinRHs only falling to between 20-30% range following fair to good overnight recovery of 40-70%. Winds will occasionally be gusty with and easterly component favored in eastern districts and west winds in western districts. Thunderstorms will be capable of creating 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. AZZ132-030845- 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- 136 PM MST Tue Sep 2 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Chance of showers and thunderstorms in the evening. * Min Temperature.................77-87. * 24 hr trend..................6 degrees cooler. * Max Humidity....................52-63 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph in the evening becoming southeast 5 to 10 mph after midnight. * Winds...10000 FT MSL............Southeast 15 to 25 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................30 percent west portion...10 percent east portion. * Chance of Thunder...............30 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................97-103. * 24 hr trend..................3 degrees cooler. * Min Humidity....................25-33 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................5 percent. * Chance of Thunder...............15 percent. * Mixing Height for Phoenix.......9900 ft AGL. * Transport Wind for Phoenix......Southwest 6 knots. * Dispersion for Phoenix..........Good. .WEDNESDAY NIGHT... * Sky/weather.....................Partly cloudy. Chance of showers and thunderstorms * Min Temperature.................77-87. * 24 hr trend..................Little change. * Max Humidity....................59-69 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............25 percent. .THURSDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the morning becoming chance of showers and thunderstorms in the afternoon. * Max Temperature.................94-100. * 24 hr trend..................3 degrees cooler. * Min Humidity....................30-39 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................50 percent. * CWR (>= 0.10 IN)................30 percent. * Chance of Thunder...............30 percent. * Mixing Height for Phoenix.......9900 ft AGL. * Transport Wind for Phoenix......Southwest 8 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 72-82. Highs 89-95. South winds 5 to 15 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 72-82. Highs 90-96. South winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 74-84. Highs 93-100. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 74-84. Highs 97-102. .TUESDAY...Clear. Lows 74-84. Highs 98-105. $$ AZZ131-CAZ231-030845- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 136 PM MST Tue Sep 2 2025 /136 PM PDT Tue Sep 2 2025/ .TONIGHT... * Sky/weather.....................Partly cloudy. Patchy blowing dust in the evening. Chance of thunderstorms in the evening. slight chance of showers. * Min Temperature.................77-82. * 24 hr trend..................7 degrees cooler. * Max Humidity....................58-72 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................30 percent. * Chance of Thunder...............30 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................98-103. * 24 hr trend..................Little change. * Min Humidity....................28-35 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................15 percent. * CWR (>= 0.10 IN)................5 percent. * Chance of Thunder...............10 percent. * Mixing Height for Yuma..........7300 ft AGL. * Transport Wind for Yuma.........Southwest 6 knots. * Dispersion for Yuma.............Marginal. .WEDNESDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms . * Min Temperature.................78-83. * 24 hr trend..................Little change. * Max Humidity....................65-79 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..South 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................20 percent. * CWR (>= 0.10 IN)................5 percent. * Chance of Thunder...............15 percent. .THURSDAY... * Sky/weather.....................Partly sunny. Slight chance of showers in the morning. slight chance of thunderstorms . chance of showers in the afternoon. * Max Temperature.................97-102. * 24 hr trend..................Little change. * Min Humidity....................33-40 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............25 percent. * Mixing Height for Yuma..........7600 ft AGL. * Transport Wind for Yuma.........South 14 knots. * Dispersion for Yuma.............Excellent. .EXTENDED... .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 76-82. 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 74-80. Highs 96-101. South winds 5 to 15 mph. .MONDAY...Clear. Lows 73-79. Highs 99-104. .TUESDAY...Clear. Lows 72-79. Highs 100-105. $$ AZZ133-030845- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 136 PM MST Tue Sep 2 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................62-79. * 24 hr trend..................Little change. * Max Humidity....................41-56 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............Southeast 20 to 30 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................5 percent. * Chance of Thunder...............10 percent. .WEDNESDAY... * Sky/weather.....................Mostly 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 southwest in the afternoon. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................5 percent. * Chance of Thunder...............15 percent. .WEDNESDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms . * Min Temperature.................61-78. * 24 hr trend..................Little change. * Max Humidity....................54-68 pct. * 24 hr trend..................14 pct wetter. * 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. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................5 percent. * Chance of Thunder...............15 percent. .THURSDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the morning becoming chance of showers and thunderstorms in the afternoon. * Max Temperature.................82-96. * 24 hr trend..................5 degrees cooler. * Min Humidity....................27-40 pct. * 24 hr trend..................12 pct wetter. * 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 south 5 to 15 mph in the afternoon. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............40 percent. .EXTENDED... .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 58-74. Highs 76-90. South winds 5 to 15 mph. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 58-75. Highs 77-92. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 58-75. Highs 82-96. West winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 58-75. Highs 84-99. .TUESDAY...Mostly clear. Lows 59-76. Highs 86-101. $$ CAZ232-030845- Imperial County And Eastern Riverside County- 136 PM PDT Tue Sep 2 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Chance of showers and thunderstorms. * Min Temperature.................77-83. * 24 hr trend..................3 degrees cooler. * Max Humidity....................51-72 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............25 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................93-102. * 24 hr trend..................Little change. * Min Humidity....................27-37 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............West 10 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............15 percent. .WEDNESDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................77-84. * 24 hr trend..................Little change. * Max Humidity....................53-82 pct. * 24 hr trend..................8 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................15 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................5 percent. * Chance of Thunder...............12 percent. .THURSDAY... * Sky/weather.....................Partly sunny. Slight chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................92-102. * 24 hr trend..................Little change. * Min Humidity....................30-42 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southeast 5 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............20 percent. .EXTENDED... .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-82. Highs 90-99. South winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 74-81. Highs 90-100. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 74-80. Highs 92-101. Southwest winds 5 to 10 mph. .MONDAY...Clear. Lows 74-79. Highs 94-103. .TUESDAY...Clear. Lows 73-79. Highs 95-103. $$ CAZ230-030845- Joshua Tree National Park- 136 PM PDT Tue Sep 2 2025 .TONIGHT... * Sky/weather.....................Mostly cloudy in the evening becoming partly cloudy after midnight. Chance of showers in the evening. slight chance of thunderstorms . slight chance of showers after midnight. * Min Temperature.................66-77. * 24 hr trend..................Little change. * Max Humidity....................55-67 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph in the evening becoming southwest after midnight. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............25 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers in the morning. slight chance of thunderstorms . chance of showers in the afternoon. * Max Temperature.................82-95. * 24 hr trend..................Little change. * Min Humidity....................31-44 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............West 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................15 percent. * Chance of Thunder...............20 percent. .WEDNESDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................67-79. * 24 hr trend..................Little change. * Max Humidity....................56-68 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 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................20 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................5 percent. * Chance of Thunder...............15 percent. .THURSDAY... * Sky/weather.....................Partly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. * Max Temperature.................83-96. * 24 hr trend..................Little change. * Min Humidity....................32-44 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Northeast 5 to 15 mph. * Chance of Precip................10 percent in the morning becoming 30 percent in the afternoon. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............20 percent. .EXTENDED... .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 63-77. Highs 81-93. South winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 62-76. Highs 80-94. Southwest winds 5 to 15 mph. .SUNDAY...Clear. Lows 62-74. Highs 83-96. Southwest winds 5 to 10 mph. .MONDAY...Clear. Lows 63-74. Highs 84-97. .TUESDAY...Clear. Lows 63-74. Highs 85-98. $$ .8 TO 10 DAY OUTLOOK...Wednesday September 10th through Friday September 12th: Above normal temperatures and below median precipitation.