Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
120 FNUS55 KPSR 121037 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 337 AM MST Fri Jun 12 2026 .DISCUSSION... Temperatures will remain in a 3F-8F above normal range through Saturday. Improved humidity levels will prevail through the weekend, with afternoon minimums mostly above 15% and overnight recoveries in a poor to fair category. Slight chances for showers and thunderstorms with limited rainfall potential will exist through Saturday, with chances becoming almost entirely confined to the high terrain of the eastern districts by Saturday afternoon. A low/isolated risk for lightning-caused fire starts will be the main concern, along with locally gusty and erratic winds. Outside of shower/storm activity, winds will remain mostly below 15 mph and terrain-driven, with afternoon upslope/upvalley gusts up to 20-25 mph. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-122245- 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- 337 AM MST Fri Jun 12 2026 .TODAY... * Sky/weather.....................Partly sunny. * Max Temperature.................100-107. * 24 hr trend..................Little change. * Min Humidity....................17-22 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. * Mixing Height for Phoenix.......11200 ft AGL. * Transport Wind for Phoenix......Northwest 17 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................77-87. * 24 hr trend..................Little change. * Max Humidity....................36-45 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 5 to 15 mph in the evening becoming southwest after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................103-109. * 24 hr trend..................Little change. * Min Humidity....................17-21 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............4 percent. * Mixing Height for Phoenix.......11400 ft AGL. * Transport Wind for Phoenix......West 10 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .SUNDAY...Clear. Lows 77-87. Highs 103-109. Southwest winds 5 to 15 mph. .MONDAY...Clear. Lows 76-86. Highs 103-109. Southwest winds 5 to 15 mph. .TUESDAY...Clear. Lows 76-86. Highs 105-111. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 74-84. Highs 103-110. .THURSDAY...Clear. Lows 72-82. Highs 100-107. $$ AZZ131-CAZ231-122245- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 337 AM MST Fri Jun 12 2026 /337 AM PDT Fri Jun 12 2026/ .TODAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the morning. * Max Temperature.................103-108. * 24 hr trend..................Little change. * Min Humidity....................18-23 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 mph in the morning becoming 5 to 15 mph in the afternoon. * Chance of Precip................20 percent in the morning becoming 0 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............9 percent. * Mixing Height for Yuma..........8000 ft AGL. * Transport Wind for Yuma.........South 9 knots. * Dispersion for Yuma.............Very good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................76-82. * 24 hr trend..................Little change. * Max Humidity....................37-48 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 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...............3 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................106-111. * 24 hr trend..................3 degrees warmer. * Min Humidity....................14-21 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. * Mixing Height for Yuma..........7800 ft AGL. * Transport Wind for Yuma.........South 11 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .SUNDAY...Clear. Lows 76-82. Highs 106-111. South winds 10 to 20 mph. .MONDAY...Clear. Lows 76-81. Highs 106-111. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 75-81. Highs 108-113. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 74-80. Highs 107-112. .THURSDAY...Clear. Lows 72-78. Highs 104-109. $$ AZZ133-122245- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 337 AM MST Fri Jun 12 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................91-105. * 24 hr trend..................Little change. * Min Humidity....................13-19 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............3 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................62-79. * 24 hr trend..................Little change. * Max Humidity....................36-49 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .SATURDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................90-104. * 24 hr trend..................Little change. * Min Humidity....................16-23 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. .EXTENDED... .SUNDAY...Mostly clear. Lows 61-79. Highs 90-104. West winds 10 to 20 mph. .MONDAY...Mostly clear. Lows 60-79. Highs 89-104. West winds 10 to 20 mph. .TUESDAY...Mostly clear. Lows 60-78. Highs 91-105. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 61-78. Highs 90-104. .THURSDAY...Mostly clear. Lows 59-77. Highs 88-101. $$ CAZ232-122245- Imperial County And Eastern Riverside County- 337 AM PDT Fri Jun 12 2026 .TODAY... * Sky/weather.....................Partly sunny. * Max Temperature.................98-108. * 24 hr trend..................Little change. * Min Humidity....................17-24 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................78-84. * 24 hr trend..................Little change. * Max Humidity....................29-46 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................100-111. * 24 hr trend..................3 degrees warmer. * Min Humidity....................13-20 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * 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. .EXTENDED... .SUNDAY...Clear. Lows 77-84. Highs 101-111. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 77-83. Highs 101-111. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 76-83. Highs 103-113. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 74-83. Highs 102-112. .THURSDAY...Clear. Lows 72-80. Highs 99-108. $$ CAZ230-122245- Joshua Tree National Park- 337 AM PDT Fri Jun 12 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................89-103. * 24 hr trend..................Little change. * Min Humidity....................15-21 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 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...............4 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................68-81. * 24 hr trend..................Little change. * Max Humidity....................27-35 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 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...............2 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................90-105. * 24 hr trend..................Little change. * Min Humidity....................14-20 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the morning becoming west 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SUNDAY...Clear. Lows 67-81. Highs 91-105. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 67-81. Highs 91-106. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 68-81. Highs 93-108. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 64-80. Highs 93-106. .THURSDAY...Clear. Lows 61-77. Highs 89-102. $$ .8 TO 10 DAY OUTLOOK...Friday June 19th through Sunday June 21st: Above normal temperatures and above median precipitation.