Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
868 FNUS55 KPSR 290726 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1226 AM MST Tue Sep 29 2026 .DISCUSSION... Widespread showers and isolated thunderstorms will affect much of the area early today before mainly affecting the Arizona high terrain this afternoon and evening. Moderate to heavy rainfall is likely to impact the Arizona high terrain through at least early afternoon. Humidities will begin to trend lower across the western districts later today, but more so on Wednesday. Elevated humidities will persist across the eastern districts through at least Thursday. Winds will be breezy to locally windy at times today before becoming light again on Wednesday. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-291930- 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- 1226 AM MST Tue Sep 29 2026 .TODAY... * Sky/weather.....................Partly sunny. Chance of showers in the morning. slight chance of thunderstorms . slight chance of showers in the afternoon. * Max Temperature.................76-85. * 24 hr trend..................5 degrees warmer. * Min Humidity....................34-61 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................0 percent west portion...50 percent east portion. * Chance of Thunder...............10 percent. * Mixing Height for Phoenix.......6300 ft AGL. * Transport Wind for Phoenix......Southwest 6 knots. * Dispersion for Phoenix..........Fair. .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................60-70. * 24 hr trend..................4 degrees cooler. * Max Humidity....................68-97 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................79-90. * 24 hr trend..................4 degrees warmer. * Min Humidity....................27-52 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. * Mixing Height for Phoenix.......6800 ft AGL. * Transport Wind for Phoenix......West 4 knots. * Dispersion for Phoenix..........Fair. .EXTENDED... .THURSDAY...Clear. Lows 61-71. Highs 84-93. East winds 5 to 10 mph. .FRIDAY...Clear. Lows 64-74. Highs 86-96. East winds 10 to 20 mph. .SATURDAY...Clear. Lows 66-76. Highs 88-97. East winds 15 to 25 mph. .SUNDAY...Clear. Lows 67-77. Highs 89-99. .MONDAY...Clear. Lows 69-79. Highs 89-98. $$ AZZ131-CAZ231-291930- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1226 AM MST Tue Sep 29 2026 /1226 AM PDT Tue Sep 29 2026/ .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................85-90. * 24 hr trend..................7 degrees warmer. * Min Humidity....................26-39 pct. * 24 hr trend..................23 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 10 to 20 mph. * Winds...10000 FT MSL............Northwest 5 to 15 mph in the morning becoming 15 to 25 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. * Mixing Height for Yuma..........13300 ft AGL. * Transport Wind for Yuma.........Northwest 20 knots. * Dispersion for Yuma.............Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................62-69. * 24 hr trend..................Little change. * Max Humidity....................63-90 pct. * 24 hr trend..................22 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 20 to 30 mph in the evening becoming north 30 to 40 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................91-96. * 24 hr trend..................6 degrees warmer. * Min Humidity....................18-26 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming northwest in the afternoon. * Winds...10000 FT MSL............North 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........8300 ft AGL. * Transport Wind for Yuma.........Northwest 6 knots. * Dispersion for Yuma.............Good. .EXTENDED... .THURSDAY...Clear. Lows 63-73. Highs 93-98. Southeast winds 5 to 10 mph. .FRIDAY...Clear. Lows 66-78. Highs 96-101. East winds 5 to 15 mph. .SATURDAY...Clear. Lows 69-78. Highs 97-102. Northeast winds 10 to 20 mph. .SUNDAY...Clear. Lows 70-79. Highs 98-103. .MONDAY...Clear. Lows 70-79. Highs 97-102. $$ AZZ133-291930- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1226 AM MST Tue Sep 29 2026 .TODAY... * Sky/weather.....................Mostly cloudy. Showers in the morning. chance of thunderstorms . chance of showers in the afternoon. * Max Temperature.................61-76. * 24 hr trend..................4 degrees cooler. * Min Humidity....................62-90 pct. * 24 hr trend..................26 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................100 percent. * CWR (>= 0.10 IN)................100 percent. * Chance of Thunder...............43 percent. .TONIGHT... * Sky/weather.....................Mostly cloudy in the evening becoming partly cloudy after midnight. Chance of thunderstorms in the evening. chance of showers . slight chance of thunderstorms after midnight. * Min Temperature.................49-61. * 24 hr trend..................6 degrees cooler. * Max Humidity....................90-100 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................70 percent. * CWR (>= 0.10 IN)................60 percent. * Chance of Thunder...............30 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................61-77. * 24 hr trend..................Little change. * Min Humidity....................50-73 pct. * 24 hr trend..................13 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 20 to 30 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .EXTENDED... .THURSDAY...Mostly clear. Lows 49-66. Highs 72-84. Northeast winds 5 to 15 mph. .FRIDAY...Clear. Lows 51-67. Highs 72-87. East winds 10 to 20 mph. .SATURDAY...Clear. Lows 51-68. Highs 73-87. East winds 10 to 20 mph. .SUNDAY...Clear. Lows 52-69. Highs 73-88. .MONDAY...Clear. Lows 53-69. Highs 72-88. $$ CAZ232-291930- Imperial County And Eastern Riverside County- 1226 AM PDT Tue Sep 29 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................82-93. * 24 hr trend..................5 degrees warmer. * Min Humidity....................19-30 pct. * 24 hr trend..................23 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................65-72. * 24 hr trend..................Little change. * Max Humidity....................39-65 pct. * 24 hr trend..................25 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 30 to 40 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................89-98. * 24 hr trend..................6 degrees warmer. * Min Humidity....................12-20 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .THURSDAY...Clear. Lows 66-76. Highs 90-99. East winds 5 to 10 mph. .FRIDAY...Clear. Lows 69-77. Highs 91-101. Northeast winds 5 to 10 mph. .SATURDAY...Clear. Lows 72-78. Highs 92-102. Northeast winds 5 to 15 mph. .SUNDAY...Clear. Lows 73-78. Highs 93-102. .MONDAY...Clear. Lows 72-78. Highs 91-101. $$ CAZ230-291930- Joshua Tree National Park- 1226 AM PDT Tue Sep 29 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................74-85. * 24 hr trend..................3 degrees warmer. * Min Humidity....................24-28 pct. * 24 hr trend..................19 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 15 to 25 mph. * Winds...10000 FT MSL............North 15 to 25 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...............2 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................59-68. * 24 hr trend..................4 degrees warmer. * Max Humidity....................31-43 pct. * 24 hr trend..................39 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 35 to 45 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................81-93. * 24 hr trend..................8 degrees warmer. * Min Humidity....................11-15 pct. * 24 hr trend..................14 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 10 to 20 mph. * Winds...10000 FT MSL............North 20 to 30 mph in the morning becoming northwest 10 to 20 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .THURSDAY...Clear. Lows 62-72. Highs 83-95. Southwest winds 5 to 10 mph. .FRIDAY...Clear. Lows 62-73. Highs 82-94. Southeast winds 5 to 15 mph. .SATURDAY...Clear. Lows 62-73. Highs 82-95. East winds 5 to 15 mph. .SUNDAY...Clear. Lows 61-73. Highs 82-95. .MONDAY...Clear. Lows 61-73. Highs 81-94. $$ .8 TO 10 DAY OUTLOOK...Tuesday October 6th through Thursday October 8th: Above normal temperatures and near median precipitation.