Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
101 FNUS55 KPSR 031949 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1249 PM MST Sun Aug 3 2025 .DISCUSSION... Unusually hot and dry conditions will continue for the start of the new week with temperatures gradually trending hotter through the middle part of the week. MinRHs will fall into the 5-10% range through the next couple of days, while MaxRHs range between 25-40% for most areas. Winds will generally follow diurnal tendencies with typical afternoon upslope gustiness. Temperatures will remain above normal with lower desert highs mostly between 108-114 degrees. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-040800- 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- 1249 PM MST Sun Aug 3 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................76-86. * 24 hr trend..................Little change. * Max Humidity....................28-56 pct. * 24 hr trend..................16 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 mph in the evening becoming 15 to 25 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................105-112. * 24 hr trend..................Little change. * Min Humidity....................11-15 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......11300 ft AGL. * Transport Wind for Phoenix......Southwest 8 knots. * Dispersion for Phoenix..........Very good. .MONDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-90. * 24 hr trend..................4 degrees warmer. * Max Humidity....................24-34 pct. * 24 hr trend..................10 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming south after midnight. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................107-114. * 24 hr trend..................Little change. * Min Humidity....................11-15 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............South 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. * Mixing Height for Phoenix.......11900 ft AGL. * Transport Wind for Phoenix......Southwest 6 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 82-92. Highs 110-117. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 83-93. Highs 110-117. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 80-90. Highs 106-112. Southwest winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-89. Highs 103-109. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-89. Highs 103-109. $$ AZZ131-CAZ231-040800- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1249 PM MST Sun Aug 3 2025 /1249 PM PDT Sun Aug 3 2025/ .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................74-79. * 24 hr trend..................Little change. * Max Humidity....................37-65 pct. * 24 hr trend..................18 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 mph in the evening becoming 15 to 25 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................107-112. * 24 hr trend..................Little change. * Min Humidity....................10-15 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * 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. * Mixing Height for Yuma..........6200 ft AGL. * Transport Wind for Yuma.........South 12 knots. * Dispersion for Yuma.............Very good. .MONDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................77-82. * 24 hr trend..................3 degrees warmer. * Max Humidity....................27-45 pct. * 24 hr trend..................13 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................109-114. * 24 hr trend..................Little change. * Min Humidity....................10-14 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 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 Yuma..........6900 ft AGL. * Transport Wind for Yuma.........South 9 knots. * Dispersion for Yuma.............Good. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 79-87. Highs 112-117. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 81-87. Highs 112-117. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 80-86. Highs 109-114. South winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 78-84. Highs 106-111. .SUNDAY...Mostly clear. Lows 77-82. Highs 105-110. $$ AZZ133-040800- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1249 PM MST Sun Aug 3 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................63-80. * 24 hr trend..................Little change. * Max Humidity....................23-30 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................94-108. * 24 hr trend..................Little change. * Min Humidity....................9-14 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming west 5 to 15 mph in the afternoon. * 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. .MONDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................64-83. * 24 hr trend..................3 degrees warmer. * Max Humidity....................25-36 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming northeast after midnight. * 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. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................96-110. * 24 hr trend..................Little change. * Min Humidity....................10-15 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 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...............2 percent. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 67-86. Highs 98-113. North winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 68-86. Highs 98-113. North winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 66-86. Highs 96-109. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 65-83. Highs 93-106. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 64-82. Highs 92-105. $$ CAZ232-040800- Imperial County And Eastern Riverside County- 1249 PM PDT Sun Aug 3 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................75-81. * 24 hr trend..................Little change. * Max Humidity....................18-53 pct. * 24 hr trend..................9 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................102-112. * 24 hr trend..................Little change. * Min Humidity....................5-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * 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. .MONDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................77-83. * 24 hr trend..................Little change. * Max Humidity....................16-37 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming west 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. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................104-113. * 24 hr trend..................Little change. * Min Humidity....................6-11 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * 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. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 80-88. Highs 106-116. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 82-88. Highs 108-117. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 79-88. Highs 104-114. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 78-85. Highs 102-111. .SUNDAY...Mostly clear. Lows 77-84. Highs 101-111. $$ CAZ230-040800- Joshua Tree National Park- 1249 PM PDT Sun Aug 3 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................67-76. * 24 hr trend..................Little change. * Max Humidity....................16-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 mph in the evening becoming 15 to 25 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Sunny. * Max Temperature.................92-106. * 24 hr trend..................Little change. * Min Humidity....................6-10 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * 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. .MONDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................69-77. * 24 hr trend..................Little change. * Max Humidity....................15-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * 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. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................93-107. * 24 hr trend..................Little change. * Min Humidity....................6-10 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the morning becoming south 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Southwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .WEDNESDAY...Mostly clear. Lows 71-83. Highs 95-109. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .THURSDAY...Mostly clear. Lows 73-83. Highs 97-111. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .FRIDAY...Mostly clear. Lows 70-83. Highs 94-109. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 68-80. Highs 91-106. .SUNDAY...Mostly clear. Lows 68-79. Highs 91-105. $$ .8 TO 10 DAY OUTLOOK...Monday August 11th through Wednesday August 13th: Above normal temperatures and near median precipitation.