Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
659 FNUS55 KPSR 041021 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 321 AM MST Sat Oct 4 2025 .DISCUSSION... A dry cold front moving through AZ early this morning will lead to temperatures 6-12 degrees cooler than yesterday across the region. The cooler below normal temperatures continue tomorrow. Breezy to locally windy conditions will continue through around or shortly after sunrise across the SE CA and SW AZ, with gusts of 20-30 mph expected and gusts upwards of 40 mph in the far corner of SW Imperial County. Wind gusts of 15-25 mph are possible in the higher terrain in eastern AZ this afternoon and early evening. Otherwise, winds will be light and follow their typical diurnal tendencies. Daily minRHs of 12-25% will continue with overnight recoveries of 30-60%. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-042230- 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- 321 AM MST Sat Oct 4 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................82-89. * 24 hr trend..................10 degrees cooler. * Min Humidity....................12-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southwest 25 to 35 mph in the morning becoming west 15 to 25 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......6700 ft AGL. * Transport Wind for Phoenix......West 7 knots. * Dispersion for Phoenix..........Good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................59-69. * 24 hr trend..................Little change. * Max Humidity....................32-43 pct. * 24 hr trend..................7 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. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................83-90. * 24 hr trend..................Little change. * Min Humidity....................12-16 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 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.......6900 ft AGL. * Transport Wind for Phoenix......South 3 knots. * Dispersion for Phoenix..........Fair. .EXTENDED... .MONDAY...Clear. Lows 59-69. Highs 86-92. Southeast winds 5 to 10 mph. .TUESDAY...Clear. Lows 61-71. Highs 89-96. South winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 63-74. Highs 91-98. Southeast winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 67-77. Highs 92-99. .FRIDAY...Mostly clear. Lows 70-80. Highs 92-100. $$ AZZ131-CAZ231-042230- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 321 AM MST Sat Oct 4 2025 /321 AM PDT Sat Oct 4 2025/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................84-89. * 24 hr trend..................7 degrees cooler. * Min Humidity....................16-20 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 15 to 25 mph in the morning becoming 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........6700 ft AGL. * Transport Wind for Yuma.........Northwest 9 knots. * Dispersion for Yuma.............Good. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................59-64. * 24 hr trend..................Little change. * Max Humidity....................41-55 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 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...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................86-91. * 24 hr trend..................Little change. * Min Humidity....................15-19 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming west 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...............0 percent. * Mixing Height for Yuma..........6500 ft AGL. * Transport Wind for Yuma.........Southwest 4 knots. * Dispersion for Yuma.............Marginal. .EXTENDED... .MONDAY...Clear. Lows 58-65. Highs 86-91. Southeast winds 5 to 10 mph. .TUESDAY...Clear. Lows 59-66. Highs 88-93. South winds 5 to 10 mph. .WEDNESDAY...Clear. Lows 61-71. Highs 90-95. Southeast winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 64-75. Highs 92-97. .FRIDAY...Mostly clear. Lows 67-75. Highs 93-98. $$ AZZ133-042230- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 321 AM MST Sat Oct 4 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................72-86. * 24 hr trend..................10 degrees cooler. * Min Humidity....................14-21 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 35 to 45 mph in the morning becoming 25 to 35 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................47-61. * 24 hr trend..................5 degrees cooler. * Max Humidity....................34-49 pct. * 24 hr trend..................12 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming east after midnight. * 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. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................73-87. * 24 hr trend..................Little change. * Min Humidity....................13-18 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............Southwest 20 to 30 mph in the morning becoming 10 to 20 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .MONDAY...Clear. Lows 48-65. Highs 77-90. East winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 51-68. Highs 80-94. East winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 56-73. Highs 80-95. Southeast winds 10 to 20 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 58-74. Highs 80-95. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 58-74. Highs 81-96. $$ CAZ232-042230- Imperial County And Eastern Riverside County- 321 AM PDT Sat Oct 4 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................80-88. * 24 hr trend..................6 degrees cooler. * Min Humidity....................15-20 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................61-68. * 24 hr trend..................Little change. * Max Humidity....................35-53 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 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...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................81-91. * 24 hr trend..................Little change. * Min Humidity....................14-21 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming southeast 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...............0 percent. .EXTENDED... .MONDAY...Clear. Lows 61-69. Highs 82-90. North winds 5 to 10 mph. .TUESDAY...Clear. Lows 62-69. Highs 84-91. Southwest winds 5 to 10 mph. .WEDNESDAY...Clear. Lows 63-72. Highs 85-93. Southeast winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 66-75. Highs 87-95. .FRIDAY...Mostly clear. Lows 68-75. Highs 86-95. $$ CAZ230-042230- Joshua Tree National Park- 321 AM PDT Sat Oct 4 2025 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................69-80. * 24 hr trend..................5 degrees cooler. * Min Humidity....................19-23 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................52-62. * 24 hr trend..................3 degrees warmer. * Max Humidity....................36-46 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 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...............0 percent. .SUNDAY... * Sky/weather.....................Sunny. * Max Temperature.................72-83. * 24 hr trend..................Little change. * Min Humidity....................18-24 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming southeast 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...............0 percent. .EXTENDED... .MONDAY...Clear. Lows 53-63. Highs 72-84. West winds 5 to 15 mph. .TUESDAY...Clear. Lows 54-64. Highs 73-86. Northeast winds 5 to 10 mph. .WEDNESDAY...Clear. Lows 54-66. Highs 75-88. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 56-68. Highs 77-89. .FRIDAY...Mostly clear with slight chance of showers. Lows 58-68. Highs 76-88. $$ .8 TO 10 DAY OUTLOOK...Saturday October 11th through Monday October 13th: Near normal temperatures and above median precipitation.