Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
659 FNUS55 KPSR 182007 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 107 PM MST Wed Jun 18 2025 .DISCUSSION... Hot and dry conditions will continue over the next few days with overall light diurnal winds today. Starting Thursday, winds will increase modestly with afternoon gusts up to around 20 mph, and then up to around 25 mph on Friday. Humidities will stay low with MinRHs between 5-10% and overnight MaxRHs only between 15-30%. Afternoon gusts combined with the dry conditions may result in elevated to locally critical fire weather conditions, especially across the higher terrain east of Phoenix on Friday. Temperatures will remain above normal with highs near or above 110 degrees across the lower deserts through Friday. Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-190815- 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- 107 PM MST Wed Jun 18 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................73-83. * 24 hr trend..................Little change. * Max Humidity....................17-28 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming southeast after midnight. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................108-115. * 24 hr trend..................Little change. * Min Humidity....................3-7 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......14000 ft AGL. * Transport Wind for Phoenix......Southwest 15 knots. * Dispersion for Phoenix..........Excellent. .THURSDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................72-82. * 24 hr trend..................Little change. * Max Humidity....................14-26 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................103-109. * 24 hr trend..................5 degrees cooler. * Min Humidity....................6-10 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......11200 ft AGL. * Transport Wind for Phoenix......Southwest 17 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .SATURDAY...Clear. Lows 67-77. Highs 98-105. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Clear. Lows 67-77. Highs 93-101. South winds 5 to 15 mph. .MONDAY...Clear. Lows 67-77. Highs 94-102. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 67-77. Highs 96-103. .WEDNESDAY...Clear. Lows 67-77. Highs 98-104. $$ AZZ131-CAZ231-190815- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 107 PM MST Wed Jun 18 2025 /107 PM PDT Wed Jun 18 2025/ .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................72-77. * 24 hr trend..................Little change. * Max Humidity....................25-39 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 5 to 15 mph in the evening becoming 15 to 25 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................109-114. * 24 hr trend..................Little change. * Min Humidity....................5-9 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........9600 ft AGL. * Transport Wind for Yuma.........Southwest 12 knots. * Dispersion for Yuma.............Excellent. .THURSDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................72-77. * 24 hr trend..................Little change. * Max Humidity....................22-32 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 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. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................105-110. * 24 hr trend..................4 degrees cooler. * 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 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........9800 ft AGL. * Transport Wind for Yuma.........Southwest 12 knots. * Dispersion for Yuma.............Excellent. .EXTENDED... .SATURDAY...Clear. Lows 67-74. Highs 100-105. South winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Clear. Lows 66-71. Highs 95-100. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 66-71. Highs 97-102. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 67-72. Highs 98-103. .WEDNESDAY...Clear. Lows 69-74. Highs 100-105. $$ AZZ133-190815- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 107 PM MST Wed Jun 18 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................63-79. * 24 hr trend..................Little change. * Max Humidity....................14-21 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming north after midnight. * Winds...10000 FT MSL............Light and variable in the evening becoming south 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................98-112. * 24 hr trend..................3 degrees warmer. * Min Humidity....................4-8 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. * 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. .THURSDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................65-78. * 24 hr trend..................Little change. * Max Humidity....................13-23 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming east after midnight. * Winds...10000 FT MSL............Southwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................93-107. * 24 hr trend..................5 degrees cooler. * Min Humidity....................5-9 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest 10 to 20 mph in the afternoon. * Winds...10000 FT MSL............Southwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SATURDAY...Clear. Lows 59-75. Highs 88-102. Southwest winds 15 to 25 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Clear. Lows 58-71. Highs 85-98. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 58-73. Highs 85-99. Southwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 60-73. Highs 85-99. .WEDNESDAY...Mostly clear. Lows 60-74. Highs 87-101. $$ CAZ232-190815- Imperial County And Eastern Riverside County- 107 PM PDT Wed Jun 18 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................73-81. * 24 hr trend..................Little change. * Max Humidity....................19-46 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southeast 5 to 15 mph in the evening becoming south 15 to 25 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................103-113. * 24 hr trend..................Little change. * Min Humidity....................5-10 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................73-80. * 24 hr trend..................Little change. * Max Humidity....................20-34 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..West 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. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................99-110. * 24 hr trend..................3 degrees cooler. * Min Humidity....................6-11 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... .SATURDAY...Clear. Lows 66-75. Highs 94-104. Southwest winds 15 to 25 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Clear. Lows 66-72. Highs 90-99. West winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 67-73. Highs 92-102. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 67-75. Highs 93-102. .WEDNESDAY...Clear. Lows 69-78. Highs 95-105. $$ CAZ230-190815- Joshua Tree National Park- 107 PM PDT Wed Jun 18 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................67-78. * 24 hr trend..................Little change. * Max Humidity....................18-24 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Sunny. * Max Temperature.................92-106. * 24 hr trend..................Little change. * Min Humidity....................5-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY NIGHT... * Sky/weather.....................Clear. * Min Temperature.................64-75. * 24 hr trend..................3 degrees cooler. * Max Humidity....................23-30 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming south 10 to 20 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................88-104. * 24 hr trend..................3 degrees cooler. * Min Humidity....................7-13 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SATURDAY...Clear. Lows 55-70. Highs 82-98. Southwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Clear. Lows 55-68. Highs 81-93. Northwest winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 58-70. Highs 81-95. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Clear. Lows 59-71. Highs 83-96. .WEDNESDAY...Clear. Lows 61-75. Highs 85-99. $$ .8 TO 10 DAY OUTLOOK...Thursday June 26th through Saturday June 28th: Near normal temperatures and near median precipitation.