Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
300 FNUS55 KPSR 312138 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 238 PM MST Sun Aug 31 2025 .DISCUSSION... Mostly dry conditions will prevail through tonight, with the best chances of wetting rains being confined to the high terrain of Gila County starting Monday. Moisture levels will be on the rise through the start of the work week, with MinRHs values this afternoon ranging between 10-15%, increasing to 20-25% by Tuesday. Overnight recoveries will follow a similar trend, with poor to modest readings tonight in Monday before becoming more decent beyond that. Outside of any potential thunderstorm outflows, winds will favor light and diurnal trends, with the usual afternoon breeziness. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-010945- 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- 238 PM MST Sun Aug 31 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................79-89. * 24 hr trend..................Little change. * Max Humidity....................29-44 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming southeast 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...............2 percent. .MONDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................103-109. * 24 hr trend..................Little change. * Min Humidity....................14-20 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the morning becoming northeast 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............8 percent. * Mixing Height for Phoenix.......7700 ft AGL. * Transport Wind for Phoenix......East 5 knots. * Dispersion for Phoenix..........Marginal. .MONDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers in the evening. slight chance of thunderstorms . chance of showers after midnight. * Min Temperature.................81-91. * 24 hr trend..................Little change. * Max Humidity....................42-54 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............21 percent. .TUESDAY... * Sky/weather.....................Partly sunny. Chance of showers and slight chance of thunderstorms . * Max Temperature.................100-106. * 24 hr trend..................3 degrees cooler. * Min Humidity....................20-26 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................20 percent west portion...0 percent east portion. * Chance of Thunder...............25 percent. * Mixing Height for Phoenix.......13900 ft AGL. * Transport Wind for Phoenix......Southeast 10 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-87. Highs 99-105. South winds 5 to 10 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 75-85. Highs 97-103. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 74-84. Highs 93-99. South winds 5 to 15 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 74-84. Highs 92-97. .SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 75-85. Highs 94-100. $$ AZZ131-CAZ231-010945- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 238 PM MST Sun Aug 31 2025 /238 PM PDT Sun Aug 31 2025/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................78-84. * 24 hr trend..................Little change. * Max Humidity....................33-50 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * 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...............1 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................106-111. * 24 hr trend..................Little change. * Min Humidity....................14-19 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. * Mixing Height for Yuma..........10000 ft AGL. * Transport Wind for Yuma.........Southeast 5 knots. * Dispersion for Yuma.............Fair. .MONDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers in the evening. slight chance of thunderstorms . chance of showers after midnight. * Min Temperature.................81-86. * 24 hr trend..................3 degrees warmer. * Max Humidity....................48-61 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............16 percent. .TUESDAY... * Sky/weather.....................Partly sunny. Chance of showers and slight chance of thunderstorms. * Max Temperature.................101-106. * 24 hr trend..................4 degrees cooler. * Min Humidity....................24-30 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............24 percent. * Mixing Height for Yuma..........9700 ft AGL. * Transport Wind for Yuma.........Southeast 6 knots. * Dispersion for Yuma.............Fair. .EXTENDED... .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 78-86. Highs 101-106. South winds 5 to 15 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 77-83. Highs 99-104. South winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-82. Highs 96-101. South winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-81. Highs 94-99. .SUNDAY...Mostly clear. Lows 76-81. Highs 97-102. $$ AZZ133-010945- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 238 PM MST Sun Aug 31 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................64-81. * 24 hr trend..................Little change. * Max Humidity....................40-65 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Northeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .MONDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................87-104. * 24 hr trend..................Little change. * Min Humidity....................18-29 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Northeast 5 to 15 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............21 percent. .MONDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms . * Min Temperature.................64-82. * 24 hr trend..................Little change. * Max Humidity....................44-65 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 15 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............24 percent. .TUESDAY... * Sky/weather.....................Partly sunny. Chance of showers and thunderstorms in the afternoon. * Max Temperature.................85-101. * 24 hr trend..................Little change. * Min Humidity....................19-29 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Southeast 10 to 15 mph. * Chance of Precip................0 percent in the morning becoming 30 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............33 percent. .EXTENDED... .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 61-80. Highs 86-101. East winds 5 to 15 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 59-78. Highs 85-99. West winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 59-75. Highs 82-95. West winds 5 to 15 mph. .SATURDAY...Partly cloudy with chance of showers and thunderstorms. Lows 59-77. Highs 80-93. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 59-77. Highs 82-96. $$ CAZ232-010945- Imperial County And Eastern Riverside County- 238 PM PDT Sun Aug 31 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................81-86. * 24 hr trend..................Little change. * Max Humidity....................24-45 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming east 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................101-111. * 24 hr trend..................Little change. * Min Humidity....................12-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Southeast 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .MONDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms after midnight. * Min Temperature.................82-87. * 24 hr trend..................Little change. * Max Humidity....................38-65 pct. * 24 hr trend..................17 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 15 mph. * Chance of Precip................0 percent in the evening becoming 10 percent after midnight. * CWR (>= 0.10 IN)................10 percent. * Chance of Thunder...............13 percent. .TUESDAY... * Sky/weather.....................Partly sunny. Chance of showers and slight chance of thunderstorms. * Max Temperature.................96-105. * 24 hr trend..................6 degrees cooler. * Min Humidity....................22-31 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................30 percent. * Chance of Thunder...............21 percent. .EXTENDED... .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 78-86. Highs 96-105. South winds 5 to 10 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 77-84. Highs 95-103. South winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 76-82. Highs 93-102. South winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 75-82. Highs 90-98. .SUNDAY...Mostly clear. Lows 75-81. Highs 93-103. $$ CAZ230-010945- Joshua Tree National Park- 238 PM PDT Sun Aug 31 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................73-81. * 24 hr trend..................Little change. * Max Humidity....................24-29 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................92-105. * 24 hr trend..................Little change. * Min Humidity....................12-17 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Southeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............5 percent. .MONDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers after midnight. * Min Temperature.................72-83. * 24 hr trend..................Little change. * Max Humidity....................35-44 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * 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...............8 percent. .TUESDAY... * Sky/weather.....................Mostly cloudy. Chance of showers in the morning becoming showers likely and slight chance of thunderstorms in the afternoon. * Max Temperature.................85-98. * 24 hr trend..................7 degrees cooler. * Min Humidity....................25-31 pct. * 24 hr trend..................14 pct wetter. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................50 percent. * CWR (>= 0.10 IN)................50 percent. * Chance of Thunder...............22 percent. .EXTENDED... .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 69-80. Highs 86-99. West winds 5 to 10 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 67-80. Highs 86-99. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 66-78. Highs 84-97. South winds 5 to 15 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 64-77. Highs 81-94. .SUNDAY...Mostly clear. Lows 64-76. Highs 84-97. $$ .8 TO 10 DAY OUTLOOK...Monday September 8th through Wednesday September 10th: Near to above normal temperatures and above median precipitation.