Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
955 FNUS55 KPSR 051952 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1252 PM MST Fri Sep 5 2025 .DISCUSSION... Moisture levels will remain elevated through the weekend with rain chances diminishing and ending by Sunday. Periods of isolated showers and thunderstorms are expected through Saturday, while wetting rain chances will mostly range between 10-30%, particularly across the higher terrain north and east of Phoenix. MinRHs are only expected to drop into a 30-45% range through the weekend as temperatures stay below normal. Winds will tend to favor diurnal patterns across the eastern districts, while favoring the south across the western districts. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-060800- 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- 1252 PM MST Fri Sep 5 2025 .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms. * Min Temperature.................74-84. * 24 hr trend..................Little change. * Max Humidity....................68-79 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............East 5 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent west portion...20 percent east portion. * Chance of Thunder...............14 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................91-97. * 24 hr trend..................Little change. * Min Humidity....................35-42 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............South 5 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent west portion...10 percent east portion. * Chance of Thunder...............14 percent. * Mixing Height for Phoenix.......9500 ft AGL. * Transport Wind for Phoenix......West 6 knots. * Dispersion for Phoenix..........Good. .SATURDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................76-86. * 24 hr trend..................Little change. * Max Humidity....................66-80 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 evening becoming southeast 5 to 15 mph after midnight. * Chance of Precip................10 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............11 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................94-100. * 24 hr trend..................3 degrees warmer. * Min Humidity....................31-39 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. * Mixing Height for Phoenix.......9200 ft AGL. * Transport Wind for Phoenix......West 6 knots. * Dispersion for Phoenix..........Good. .EXTENDED... .MONDAY...Clear. Lows 76-86. Highs 97-103. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 72-82. Highs 96-104. Southwest winds 5 to 15 mph. .WEDNESDAY...Clear. Lows 69-79. Highs 94-102. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 69-79. Highs 93-100. .FRIDAY...Clear. Lows 69-79. Highs 94-100. $$ AZZ131-CAZ231-060800- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1252 PM MST Fri Sep 5 2025 /1252 PM PDT Fri Sep 5 2025/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................77-82. * 24 hr trend..................Little change. * Max Humidity....................72-86 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 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...............7 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................94-99. * 24 hr trend..................Little change. * Min Humidity....................36-45 pct. * 24 hr trend..................Little RH change. * 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...............6 percent. * Mixing Height for Yuma..........7500 ft AGL. * Transport Wind for Yuma.........Southeast 10 knots. * Dispersion for Yuma.............Very good. .SATURDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................77-82. * 24 hr trend..................Little change. * Max Humidity....................76-91 pct. * 24 hr trend..................5 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...............7 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................96-101. * 24 hr trend..................Little change. * Min Humidity....................35-43 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 in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. * Mixing Height for Yuma..........7800 ft AGL. * Transport Wind for Yuma.........South 6 knots. * Dispersion for Yuma.............Good. .EXTENDED... .MONDAY...Clear. Lows 74-82. Highs 99-104. Southwest winds 5 to 15 mph. .TUESDAY...Clear. Lows 69-80. Highs 97-102. Southwest winds 10 to 20 mph. .WEDNESDAY...Clear. Lows 67-75. Highs 94-99. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 67-73. Highs 93-98. .FRIDAY...Clear. Lows 67-73. Highs 94-99. $$ AZZ133-060800- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1252 PM MST Fri Sep 5 2025 .TONIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms. * Min Temperature.................58-75. * 24 hr trend..................Little change. * Max Humidity....................70-92 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming southwest after midnight. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................30 percent. * Chance of Thunder...............24 percent. .SATURDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms . * Max Temperature.................79-93. * 24 hr trend..................Little change. * Min Humidity....................32-46 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............30 percent. .SATURDAY NIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms in the evening. * Min Temperature.................58-76. * 24 hr trend..................Little change. * Max Humidity....................65-87 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................20 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............16 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................83-97. * 24 hr trend..................4 degrees warmer. * Min Humidity....................27-38 pct. * 24 hr trend..................8 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...............5 percent. .EXTENDED... .MONDAY...Mostly clear. Lows 61-78. Highs 85-99. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 61-78. Highs 86-100. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 59-77. Highs 84-99. South winds 10 to 20 mph. .THURSDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 59-74. Highs 83-97. .FRIDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 57-73. Highs 82-96. $$ CAZ232-060800- Imperial County And Eastern Riverside County- 1252 PM PDT Fri Sep 5 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................75-81. * 24 hr trend..................Little change. * Max Humidity....................63-86 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..South 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...............5 percent. .SATURDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................91-100. * 24 hr trend..................Little change. * Min Humidity....................33-46 pct. * 24 hr trend..................Little RH change. * 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...............3 percent. .SATURDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................75-82. * 24 hr trend..................Little change. * Max Humidity....................64-93 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 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...............5 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................93-101. * 24 hr trend..................Little change. * Min Humidity....................31-43 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 10 to 15 mph. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............9 percent. .EXTENDED... .MONDAY...Clear. Lows 72-82. Highs 94-104. Southwest winds 5 to 15 mph. .TUESDAY...Clear. Lows 68-78. Highs 91-101. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 66-73. Highs 88-97. West winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 66-72. Highs 87-97. .FRIDAY...Clear. Lows 67-74. Highs 89-98. $$ CAZ230-060800- Joshua Tree National Park- 1252 PM PDT Fri Sep 5 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................64-76. * 24 hr trend..................Little change. * Max Humidity....................63-78 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..South 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...............3 percent. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................81-94. * 24 hr trend..................Little change. * Min Humidity....................35-47 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...............1 percent. .SATURDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................63-77. * 24 hr trend..................Little change. * Max Humidity....................63-82 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 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...............1 percent. .SUNDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................83-96. * 24 hr trend..................Little change. * Min Humidity....................31-41 pct. * 24 hr trend..................5 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 in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............8 percent. .EXTENDED... .MONDAY...Clear. Lows 60-76. Highs 83-98. Southwest winds 5 to 15 mph. .TUESDAY...Clear. Lows 56-71. Highs 80-94. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Clear. Lows 56-68. Highs 77-92. West winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 56-68. Highs 76-90. .FRIDAY...Clear. Lows 58-70. Highs 78-91. $$ .8 TO 10 DAY OUTLOOK...Saturday September 13th through Monday September 15th: Near to below normal temperatures and near median precipitation.