Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
364 FNUS55 KPSR 110742 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1242 AM MST Tue Aug 11 2026 .DISCUSSION... Scattered showers and thunderstorms are anticipated each day through midweek across the higher terrain areas of the eastern districts, with slightly lower chances in the lower elevations. The best chances will fall during the latter half of Wednesday. Afternoon MinRHs will range between 25-40% through Wednesday 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. AZZ132-111945- 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- 1242 AM MST Tue Aug 11 2026 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................100-106. * 24 hr trend..................Little change. * Min Humidity....................24-30 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 in the morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............8 percent. * Mixing Height for Phoenix.......9000 ft AGL. * Transport Wind for Phoenix......West 13 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * 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...............15 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................96-104. * 24 hr trend..................3 degrees cooler. * Min Humidity....................27-34 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............10 percent. * Mixing Height for Phoenix.......7900 ft AGL. * Transport Wind for Phoenix......West 5 knots. * Dispersion for Phoenix..........Marginal. .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 77-87. Highs 99-106. South winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 79-89. Highs 102-108. .MONDAY...Mostly clear. Lows 81-91. Highs 104-110. $$ AZZ131-CAZ231-111945- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1242 AM MST Tue Aug 11 2026 /1242 AM PDT Tue Aug 11 2026/ .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................103-108. * 24 hr trend..................Little change. * Min Humidity....................25-29 pct. * 24 hr trend..................Little 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...............5 percent. * Mixing Height for Yuma..........7400 ft AGL. * Transport Wind for Yuma.........South 13 knots. * Dispersion for Yuma.............Very good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-85. * 24 hr trend..................Little change. * Max Humidity....................55-67 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...............5 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....................27-31 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. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............15 percent. * Mixing Height for Yuma..........8200 ft AGL. * Transport Wind for Yuma.........South 13 knots. * Dispersion for Yuma.............Excellent. .EXTENDED... .THURSDAY...Partly cloudy. Lows 78-83. Highs 99-104. South winds 10 to 20 mph. .FRIDAY...Partly cloudy. Lows 77-82. Highs 99-104. South winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 78-83. Highs 102-107. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 80-85. Highs 104-109. .MONDAY...Mostly clear. Lows 80-85. Highs 105-110. $$ AZZ133-111945- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1242 AM MST Tue Aug 11 2026 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................87-101. * 24 hr trend..................3 degrees cooler. * Min Humidity....................28-40 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 northwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............24 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. Chance of showers in the evening. slight chance of thunderstorms . slight chance of showers after midnight. * Min Temperature.................63-78. * 24 hr trend..................Little change. * Max Humidity....................65-87 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming southwest 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...............28 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the morning becoming chance of showers and thunderstorms in the afternoon. * Max Temperature.................83-97. * 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)................20 percent. * Chance of Thunder...............41 percent. .EXTENDED... .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 61-76. Highs 79-95. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 61-78. Highs 82-96. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 62-80. Highs 85-100. East winds 5 to 15 mph. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 64-81. Highs 88-103. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 65-82. Highs 89-104. $$ CAZ232-111945- Imperial County And Eastern Riverside County- 1242 AM PDT Tue Aug 11 2026 .TODAY... * 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............South 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................80-86. * 24 hr trend..................Little change. * Max Humidity....................46-65 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 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.................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............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...............11 percent. .EXTENDED... .THURSDAY...Partly cloudy. Lows 76-84. Highs 94-104. Southwest winds 10 to 20 mph. .FRIDAY...Partly cloudy. Lows 76-83. Highs 95-104. Southwest winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 77-84. Highs 96-106. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 79-85. Highs 98-108. .MONDAY...Mostly clear. Lows 79-85. Highs 100-110. $$ CAZ230-111945- Joshua Tree National Park- 1242 AM PDT Tue Aug 11 2026 .TODAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................89-102. * 24 hr trend..................3 degrees cooler. * Min Humidity....................25-34 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 in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............12 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................69-83. * 24 hr trend..................Little change. * Max Humidity....................46-59 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..West 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...............4 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................87-101. * 24 hr trend..................Little change. * Min Humidity....................23-32 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 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...............4 percent. .EXTENDED... .THURSDAY...Partly cloudy. Lows 63-81. Highs 84-98. Southwest winds 10 to 20 mph. .FRIDAY...Mostly clear. Lows 63-79. Highs 84-98. Southwest winds 10 to 20 mph. .SATURDAY...Mostly clear. Lows 65-80. Highs 86-100. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 67-81. Highs 88-102. .MONDAY...Mostly clear. Lows 68-81. Highs 89-104. $$ .8 TO 10 DAY OUTLOOK...Tuesday August 18th through Thursday August 20th: Above normal temperatures and above median precipitation.