Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
200 FNUS55 KPSR 102109 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 209 PM MST Mon Aug 10 2026 .DISCUSSION... Scattered showers and thunderstorms are anticipated each day through midweek across the higher terrain areas of the eastern districts, with a 30-50% chance of activity in the lower elevations. With these thunderstorms will come an elevated potential for wetting rains. Afternoon MinRHs will range between 20-30% today and increase to 25-40% on Tuesday along with good to excellent overnight recoveries. Aside from gusty and erratic winds near thunderstorms, the overall wind pattern will follow the diurnal trends with modest afternoon upslope gusts. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-110915- 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- 209 PM MST Mon Aug 10 2026 .TONIGHT... * Sky/weather.....................Partly cloudy. Chance of showers in the evening. slight chance of thunderstorms . slight chance of showers after midnight. * Min Temperature.................79-89. * 24 hr trend..................Little change. * Max Humidity....................53-64 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 15 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................10 percent west portion...20 percent east portion. * Chance of Thunder...............27 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................99-106. * 24 hr trend..................Little change. * Min Humidity....................25-30 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...............8 percent. * Mixing Height for Phoenix.......8600 ft AGL. * Transport Wind for Phoenix......West 12 knots. * Dispersion for Phoenix..........Excellent. .TUESDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms. * Min Temperature.................78-88. * 24 hr trend..................Little change. * Max Humidity....................53-65 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................20 percent. * CWR (>= 0.10 IN)................0 percent west portion...10 percent east portion. * Chance of Thunder...............13 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Chance of showers in the morning. slight chance of thunderstorms . slight chance of showers in the afternoon. * Max Temperature.................95-103. * 24 hr trend..................3 degrees cooler. * Min Humidity....................27-35 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 mph. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............13 percent. * Mixing Height for Phoenix.......10100 ft AGL. * Transport Wind for Phoenix......Southwest 8 knots. * Dispersion for Phoenix..........Very good. .EXTENDED... .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 75-85. Highs 95-103. South winds 5 to 15 mph. .FRIDAY...Partly cloudy. Lows 75-85. Highs 97-104. South winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 76-86. Highs 100-107. South winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 78-88. Highs 102-108. .MONDAY...Mostly clear. Lows 80-90. Highs 103-109. $$ AZZ131-CAZ231-110915- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 209 PM MST Mon Aug 10 2026 /209 PM PDT Mon Aug 10 2026/ .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms after midnight. * Min Temperature.................81-86. * 24 hr trend..................Little change. * Max Humidity....................53-63 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southeast 10 to 15 mph. * Chance of Precip................0 percent in the evening becoming 10 percent after midnight. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................103-108. * 24 hr trend..................Little change. * Min Humidity....................24-28 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 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...............7 percent. * Mixing Height for Yuma..........9300 ft AGL. * Transport Wind for Yuma.........South 10 knots. * Dispersion for Yuma.............Very good. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................53-63 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................101-106. * 24 hr trend..................Little change. * Min Humidity....................26-30 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 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...............14 percent. * Mixing Height for Yuma..........8100 ft AGL. * Transport Wind for Yuma.........South 12 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .THURSDAY...Partly cloudy. Lows 78-83. Highs 99-104. South winds 10 to 20 mph. .FRIDAY...Partly cloudy. Lows 77-82. Highs 100-105. South winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 77-82. Highs 102-107. South winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 79-84. Highs 104-109. .MONDAY...Mostly clear. Lows 80-85. Highs 105-110. $$ AZZ133-110915- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 209 PM MST Mon Aug 10 2026 .TONIGHT... * Sky/weather.....................Mostly cloudy in the evening becoming partly cloudy after midnight. Chance of showers and thunderstorms in the evening becoming slight chance of showers and thunderstorms after midnight. * Min Temperature.................64-80. * 24 hr trend..................Little change. * Max Humidity....................62-84 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 10 to 20 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................30 percent. * Chance of Thunder...............35 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................86-101. * 24 hr trend..................3 degrees cooler. * Min Humidity....................29-41 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent in the morning becoming 30 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............25 percent. .TUESDAY NIGHT... * Sky/weather.....................Partly cloudy. Slight chance of showers and thunderstorms. * Min Temperature.................63-78. * 24 hr trend..................Little change. * Max Humidity....................64-90 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming southeast after midnight. * Winds...10000 FT MSL............Northwest 10 to 15 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................20 percent. * Chance of Thunder...............21 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of thunderstorms in the morning. chance of showers . chance of thunderstorms in the afternoon. * Max Temperature.................82-96. * 24 hr trend..................4 degrees cooler. * Min Humidity....................33-48 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..West 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................40 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............36 percent. .EXTENDED... .THURSDAY...Showers likely and slight chance of thunderstorms. Lows 61-76. Highs 79-94. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 61-77. Highs 83-97. Southwest winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 61-79. Highs 86-101. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 63-81. Highs 88-103. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 65-82. Highs 89-104. $$ CAZ232-110915- Imperial County And Eastern Riverside County- 209 PM PDT Mon Aug 10 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................81-87. * 24 hr trend..................Little change. * Max Humidity....................50-74 pct. * 24 hr trend..................4 pct drier. * 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................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................98-108. * 24 hr trend..................Little change. * Min Humidity....................23-32 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 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...............7 percent. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................79-85. * 24 hr trend..................Little change. * Max Humidity....................47-65 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................97-107. * 24 hr trend..................Little change. * Min Humidity....................22-30 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Light and variable 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...............8 percent. .EXTENDED... .THURSDAY...Partly cloudy. Lows 76-83. Highs 95-105. Southwest winds 10 to 20 mph. .FRIDAY...Partly cloudy. Lows 76-82. Highs 95-104. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 76-83. Highs 96-106. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 78-84. Highs 98-108. .MONDAY...Mostly clear. Lows 78-84. Highs 99-109. $$ CAZ230-110915- Joshua Tree National Park- 209 PM PDT Mon Aug 10 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................71-84. * 24 hr trend..................Little change. * Max Humidity....................50-66 pct. * 24 hr trend..................3 pct wetter. * 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................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............6 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers . slight chance of thunderstorms in the afternoon. * Max Temperature.................88-102. * 24 hr trend..................3 degrees cooler. * Min Humidity....................25-34 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 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................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................68-82. * 24 hr trend..................Little change. * Max Humidity....................45-58 pct. * 24 hr trend..................5 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...............6 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................87-100. * 24 hr trend..................Little change. * Min Humidity....................23-32 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Light and variable 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...............2 percent. .EXTENDED... .THURSDAY...Partly cloudy. Lows 64-80. Highs 84-99. Southwest winds 10 to 20 mph. .FRIDAY...Partly cloudy. Lows 64-78. Highs 85-99. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 64-79. Highs 86-100. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 66-80. Highs 88-102. .MONDAY...Mostly clear. Lows 66-80. Highs 89-103. $$ .8 TO 10 DAY OUTLOOK...Tuesday August 18th through Thursday August 20th: Above normal temperatures and above median precipitation.