Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
708 FNUS55 KPSR 212218 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 318 PM MST Mon Jul 21 2025 .DISCUSSION... Chances for showers and storms will be relegated to eastern districts through Wednesday with gusty winds and localized minor flooding impacts the greatest hazard from these storms. With a moisture increase tonight across eastern districts, minimum afternoon humidity levels will fall into a 25-40% range, while western districts remain dry with minimum levels at 15-20%. Conditions dry out quickly Wednesday, with minimum humidity levels falling to 10-20% across all districts. Overnight recovery will be good the next couple nights at 30-60% across all districts. Other than thunderstorm outflow winds, typical modest afternoon upslope gustiness will be common. Temperatures will run a few degrees below normal the next few days. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-221030- 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- 318 PM MST Mon Jul 21 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms. * Min Temperature.................74-84. * 24 hr trend..................Little change. * Max Humidity....................44-60 pct. * 24 hr trend..................11 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...............6 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................95-102. * 24 hr trend..................Little change. * Min Humidity....................17-32 pct. * 24 hr trend..................6 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 west portion...10 percent east portion. * Chance of Thunder...............7 percent. * Mixing Height for Phoenix.......8600 ft AGL. * Transport Wind for Phoenix......Southwest 9 knots. * Dispersion for Phoenix..........Very good. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................72-82. * 24 hr trend..................Little change. * Max Humidity....................33-56 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................97-103. * 24 hr trend..................Little change. * Min Humidity....................11-15 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest 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...............2 percent. * Mixing Height for Phoenix.......11100 ft AGL. * Transport Wind for Phoenix......Southwest 7 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .THURSDAY...Mostly clear. Lows 73-83. Highs 99-105. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 73-83. Highs 101-107. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 73-83. Highs 101-107. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Mostly clear. Lows 73-84. Highs 103-109. .MONDAY...Mostly clear. Lows 77-87. Highs 105-111. $$ AZZ131-CAZ231-221030- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 318 PM MST Mon Jul 21 2025 /318 PM PDT Mon Jul 21 2025/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................73-78. * 24 hr trend..................Little change. * Max Humidity....................44-60 pct. * 24 hr trend..................3 pct wetter. * 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...............0 percent. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................99-104. * 24 hr trend..................Little change. * Min Humidity....................16-22 pct. * 24 hr trend..................Little RH change. * 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 Yuma..........7800 ft AGL. * Transport Wind for Yuma.........South 11 knots. * Dispersion for Yuma.............Very good. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................71-76. * 24 hr trend..................3 degrees cooler. * Max Humidity....................39-59 pct. * 24 hr trend..................3 pct drier. * 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...............1 percent. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................100-105. * 24 hr trend..................Little change. * Min Humidity....................10-14 pct. * 24 hr trend..................6 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...............0 percent. * Mixing Height for Yuma..........11500 ft AGL. * Transport Wind for Yuma.........Southwest 7 knots. * Dispersion for Yuma.............Good. .EXTENDED... .THURSDAY...Mostly clear. Lows 71-76. Highs 102-107. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 70-76. Highs 102-107. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 70-75. Highs 101-106. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Mostly clear. Lows 71-78. Highs 104-109. .MONDAY...Mostly clear. Lows 75-81. Highs 107-112. $$ AZZ133-221030- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 318 PM MST Mon Jul 21 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms. * Min Temperature.................62-78. * 24 hr trend..................Little change. * Max Humidity....................50-70 pct. * 24 hr trend..................16 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............25 percent. .TUESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the morning becoming chance of showers and thunderstorms in the afternoon. * Max Temperature.................82-95. * 24 hr trend..................4 degrees cooler. * Min Humidity....................28-40 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................50 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............41 percent. .TUESDAY NIGHT... * Sky/weather.....................Partly cloudy. Chance of showers and thunderstorms in the evening becoming slight chance of showers and thunderstorms after midnight. * Min Temperature.................61-77. * 24 hr trend..................Little change. * Max Humidity....................52-78 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............West 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............39 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................83-98. * 24 hr trend..................3 degrees warmer. * Min Humidity....................13-22 pct. * 24 hr trend..................17 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............12 percent. .EXTENDED... .THURSDAY...Clear. Lows 60-77. Highs 87-101. Northwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Clear. Lows 61-78. Highs 89-103. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 62-79. Highs 91-104. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 63-83. Highs 92-106. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 66-83. Highs 93-108. $$ CAZ232-221030- Imperial County And Eastern Riverside County- 318 PM PDT Mon Jul 21 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................72-79. * 24 hr trend..................Little change. * Max Humidity....................38-57 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..South 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. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................94-104. * 24 hr trend..................Little change. * Min Humidity....................11-18 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..South 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. .TUESDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................70-76. * 24 hr trend..................Little change. * Max Humidity....................29-53 pct. * 24 hr trend..................5 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...............0 percent. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................96-105. * 24 hr trend..................Little change. * Min Humidity....................8-14 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 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. .EXTENDED... .THURSDAY...Mostly clear. Lows 72-78. Highs 97-106. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 70-78. Highs 97-106. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 70-77. Highs 96-105. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Mostly clear. Lows 71-81. Highs 98-108. .MONDAY...Mostly clear. Lows 75-83. Highs 101-111. $$ CAZ230-221030- Joshua Tree National Park- 318 PM PDT Mon Jul 21 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................61-73. * 24 hr trend..................3 degrees cooler. * Max Humidity....................32-42 pct. * 24 hr trend..................6 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. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................84-98. * 24 hr trend..................Little change. * Min Humidity....................10-19 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 mph 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. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................61-72. * 24 hr trend..................Little change. * Max Humidity....................26-35 pct. * 24 hr trend..................7 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming southwest 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Sunny. * Max Temperature.................84-99. * 24 hr trend..................Little change. * Min Humidity....................9-14 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the morning becoming southwest 5 to 15 mph 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. .EXTENDED... .THURSDAY...Mostly clear. Lows 62-72. Highs 85-99. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 61-72. Highs 85-100. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 61-73. Highs 84-99. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Mostly clear. Lows 63-76. Highs 87-102. .MONDAY...Mostly clear. Lows 67-78. Highs 91-105. $$ .8 TO 10 DAY OUTLOOK...Tuesday July 29th through Thursday July 31st: Above normal temperatures and near median precipitation.