Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
076 FNUS55 KPSR 192016 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 116 PM MST Sat Sep 19 2026 .DISCUSSION... With temperatures hovering near normal, dry conditions will prevail through Monday. Minimum afternoon humidity values will generally fall into a 10-20% range across lower elevations and 20-30% over mountainous areas. This will follow fair to good overnight recovery of 35-70%. Winds should retain their typical upslope/drainage component with very limited afternoon gusts. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-200830- 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- 116 PM MST Sat Sep 19 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................70-80. * 24 hr trend..................Little change. * Max Humidity....................25-54 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming southeast after midnight. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................95-102. * 24 hr trend..................Little change. * Min Humidity....................15-21 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......9400 ft AGL. * Transport Wind for Phoenix......Southwest 4 knots. * Dispersion for Phoenix..........Good. .SUNDAY NIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................72-82. * 24 hr trend..................Little change. * Max Humidity....................39-58 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................93-100. * 24 hr trend..................Little change. * Min Humidity....................18-23 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......11700 ft AGL. * Transport Wind for Phoenix......South 11 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .TUESDAY...Mostly clear. Lows 70-80. Highs 93-100. South winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 72-82. Highs 96-102. East winds 5 to 15 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 95-103. East winds 10 to 20 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-84. Highs 95-103. .SATURDAY...Mostly clear. Lows 75-85. Highs 96-103. $$ AZZ131-CAZ231-200830- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 116 PM MST Sat Sep 19 2026 /116 PM PDT Sat Sep 19 2026/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................70-75. * 24 hr trend..................Little change. * Max Humidity....................26-54 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming southeast after midnight. * Winds...10000 FT MSL............Light and variable in the evening becoming south 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................98-103. * 24 hr trend..................Little change. * Min Humidity....................13-23 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 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 10 knots. * Dispersion for Yuma.............Very good. .SUNDAY NIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................73-78. * 24 hr trend..................3 degrees warmer. * Max Humidity....................43-64 pct. * 24 hr trend..................16 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Southeast 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.................96-101. * 24 hr trend..................Little change. * Min Humidity....................17-21 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........8500 ft AGL. * Transport Wind for Yuma.........South 7 knots. * Dispersion for Yuma.............Good. .EXTENDED... .TUESDAY...Clear. Lows 70-75. Highs 95-100. West winds 5 to 10 mph. .WEDNESDAY...Clear. Lows 71-79. Highs 99-104. Southeast winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 75-82. Highs 100-105. Southeast winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 76-82. Highs 100-105. .SATURDAY...Mostly clear. Lows 77-82. Highs 100-105. $$ AZZ133-200830- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 116 PM MST Sat Sep 19 2026 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................57-73. * 24 hr trend..................Little change. * Max Humidity....................39-61 pct. * 24 hr trend..................21 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming east after midnight. * 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.....................Mostly sunny. * Max Temperature.................80-97. * 24 hr trend..................Little change. * Min Humidity....................16-27 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 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................58-75. * 24 hr trend..................Little change. * Max Humidity....................40-58 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northeast 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.....................Partly sunny. * Max Temperature.................80-95. * 24 hr trend..................Little change. * Min Humidity....................21-31 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..East 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. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 59-75. Highs 79-95. Southeast winds 10 to 20 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 59-75. Highs 77-96. East winds 15 to 25 mph. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 58-75. Highs 75-94. East winds 15 to 25 mph. .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 58-74. Highs 75-93. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 58-76. Highs 77-95. $$ CAZ232-200830- Imperial County And Eastern Riverside County- 116 PM PDT Sat Sep 19 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................71-78. * 24 hr trend..................3 degrees warmer. * Max Humidity....................18-45 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming south 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................93-101. * 24 hr trend..................Little change. * Min Humidity....................10-20 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................73-78. * 24 hr trend..................Little change. * Max Humidity....................34-61 pct. * 24 hr trend..................17 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 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.................90-100. * 24 hr trend..................Little change. * Min Humidity....................15-22 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Clear. Lows 69-78. Highs 90-99. West winds 5 to 15 mph. .WEDNESDAY...Clear. Lows 71-81. Highs 94-103. Northeast winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 74-82. Highs 95-104. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 76-82. Highs 95-105. .SATURDAY...Mostly clear. Lows 76-82. Highs 95-105. $$ CAZ230-200830- Joshua Tree National Park- 116 PM PDT Sat Sep 19 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................66-74. * 24 hr trend..................4 degrees warmer. * Max Humidity....................21-27 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..Light and variable in the evening becoming northwest 5 to 10 mph after midnight. * Winds...10000 FT MSL............Light and variable in the evening becoming southeast 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................82-95. * 24 hr trend..................Little change. * Min Humidity....................11-17 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming southeast 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .SUNDAY NIGHT... * Sky/weather.....................Partly cloudy. * Min Temperature.................65-75. * 24 hr trend..................Little change. * Max Humidity....................32-41 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southeast 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.................79-93. * 24 hr trend..................3 degrees cooler. * Min Humidity....................18-27 pct. * 24 hr trend..................9 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .TUESDAY...Clear. Lows 61-73. Highs 78-91. Northwest winds 5 to 15 mph. .WEDNESDAY...Clear. Lows 64-75. Highs 82-95. North winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 66-76. Highs 83-97. South winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 66-76. Highs 83-97. .SATURDAY...Mostly clear. Lows 65-76. Highs 82-97. $$ .8 TO 10 DAY OUTLOOK...Sunday September 27th through Tuesday September 29th: Above normal temperatures and above median precipitation.