FNUS55 KPSR 080707 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1207 AM MST Wed Jul 8 2026 .DISCUSSION... Gusty thunderstorm outflow winds with abrupt wind shifts and lightning over the eastern districts will continue to be the main fire weather concern today and to a lesser degree on Thursday as the storm potential decreases. The strongest gusts above 30 mph would generally occur late afternoon and early evening with an easterly component. Otherwise with much above normal temperatures, afternoon humidity levels will generally fall in a 10-15% range with somewhat higher readings Thursday over eastern districts. Overnight recovery will remain poor to fair in a 20-40% range. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-081915- 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- 1207 AM MST Wed Jul 8 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................108-114. * 24 hr trend..................Little change. * Min Humidity....................13-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southeast 10 to 20 mph 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...............0 percent. * Mixing Height for Phoenix.......12200 ft AGL. * Transport Wind for Phoenix......West 10 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-90. * 24 hr trend..................Little change. * Max Humidity....................32-44 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. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................107-113. * 24 hr trend..................Little change. * Min Humidity....................15-21 pct. * 24 hr trend..................Little RH change. * 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...............0 percent. * Mixing Height for Phoenix.......11900 ft AGL. * Transport Wind for Phoenix......West 13 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .FRIDAY...Clear. Lows 78-88. Highs 105-111. South winds 10 to 20 mph. .SATURDAY...Mostly clear. Lows 78-88. Highs 104-110. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 79-89. Highs 103-108. Southwest winds 5 to 15 mph. .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 79-89. Highs 101-107. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 79-89. Highs 103-109. $$ AZZ131-CAZ231-081915- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1207 AM MST Wed Jul 8 2026 /1207 AM PDT Wed Jul 8 2026/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................110-115. * 24 hr trend..................Little change. * Min Humidity....................13-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........6600 ft AGL. * Transport Wind for Yuma.........South 14 knots. * Dispersion for Yuma.............Very good. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................79-84. * 24 hr trend..................Little change. * Max Humidity....................32-51 pct. * 24 hr trend..................Little RH change. * 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...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................110-116. * 24 hr trend..................Little change. * Min Humidity....................13-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 10 to 20 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........5900 ft AGL. * Transport Wind for Yuma.........South 15 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .FRIDAY...Clear. Lows 78-84. Highs 108-114. South winds 10 to 20 mph. .SATURDAY...Mostly clear. Lows 78-84. Highs 106-111. South winds 10 to 20 mph. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 79-84. Highs 104-109. South winds 5 to 15 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 80-85. Highs 103-108. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 81-86. Highs 105-110. $$ AZZ133-081915- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1207 AM MST Wed Jul 8 2026 .TODAY... * Sky/weather.....................Sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................95-110. * 24 hr trend..................Little change. * Min Humidity....................13-20 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming west 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Light and variable in the morning becoming west 5 to 15 mph 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...............10 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................65-83. * 24 hr trend..................Little change. * Max Humidity....................33-54 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the evening becoming north after midnight. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............7 percent. .THURSDAY... * Sky/weather.....................Sunny. Slight chance of showers in the afternoon. * Max Temperature.................95-109. * 24 hr trend..................Little change. * Min Humidity....................13-19 pct. * 24 hr trend..................Little RH change. * 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................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .FRIDAY...Clear. Lows 66-84. Highs 93-108. West winds 10 to 20 mph. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 66-83. Highs 94-108. West winds 10 to 20 mph. .SUNDAY...Partly cloudy with chance of showers and thunderstorms. Lows 64-83. Highs 93-107. Southwest winds 5 to 15 mph. .MONDAY...Partly cloudy with chance of showers and thunderstorms. Lows 63-80. Highs 89-104. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 63-81. Highs 89-104. $$ CAZ232-081915- Imperial County And Eastern Riverside County- 1207 AM PDT Wed Jul 8 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................105-115. * 24 hr trend..................Little change. * Min Humidity....................10-18 pct. * 24 hr trend..................Little RH change. * 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. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................80-86. * 24 hr trend..................Little change. * Max Humidity....................19-51 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 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...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................106-117. * 24 hr trend..................Little change. * Min Humidity....................7-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .FRIDAY...Clear. Lows 78-84. Highs 104-115. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 78-86. Highs 101-111. South winds 5 to 15 mph. .SUNDAY...Partly cloudy with slight chance of showers. Lows 80-86. Highs 98-108. South winds 5 to 15 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 81-88. Highs 99-108. .TUESDAY...Mostly clear. Lows 82-88. Highs 101-111. $$ CAZ230-081915- Joshua Tree National Park- 1207 AM PDT Wed Jul 8 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................95-109. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............South 20 to 30 mph in the morning becoming southwest 10 to 20 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................74-82. * 24 hr trend..................Little change. * Max Humidity....................15-21 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............West 5 to 15 mph in the evening becoming southwest after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................97-111. * 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 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .FRIDAY...Clear. Lows 73-82. Highs 95-109. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .SATURDAY...Mostly clear. Lows 73-83. Highs 92-106. South winds 5 to 15 mph. .SUNDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 74-83. Highs 89-103. Southwest winds 5 to 15 mph. .MONDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 74-84. Highs 88-102. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 74-85. Highs 91-105. $$ .8 TO 10 DAY OUTLOOK...Wednesday July 15th through Friday July 16th: Above normal temperatures and above median precipitation.