Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
588 FNUS55 KPSR 202200 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 300 PM MST Sat Jul 20 2024 .DISCUSSION... Thunderstorm coverage will generally expand from higher terrain areas of eastern districts into lower elevations through the weekend. Sunday afternoon and evening will be the best time frame to see thunderstorm activity in the lower elevations. While some beneficial wetting rainfall will be possible, strong gusty outflow winds will be more prevalent impacting any ongoing fires or new starts. Aside from thunderstorms, winds across the region should maintain afternoon upslope flow with gusts 20 to 25 mph. Minimum humidity levels will mostly range from 15-25% following a wide range of overnight recovery from 20% in western districts to 75% in the far east. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-211000- 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- 300 PM MST Sat Jul 20 2024 .TONIGHT... * Sky/weather.....................Mostly clear. Slight chance of showers and thunderstorms. * Min Temperature.................84-94. * 24 hr trend..................Little change. * Max Humidity....................41-51 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph in the evening becoming southeast 5 to 10 mph after midnight. * Winds...10000 FT MSL............North 10 to 15 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................2. .SUNDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................106-112. * 24 hr trend..................3 degrees cooler. * Min Humidity....................19-25 pct. * 24 hr trend..................4 pct wetter. * 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............North 10 to 15 mph. * Chance of Precip................0 percent in the morning becoming 10 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1 in the morning becoming 2 in the afternoon. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. * Mixing Height for Phoenix.......3200 ft AGL. * Transport Wind for Phoenix......North 23 knots. * Dispersion for Phoenix..........Very good. .SUNDAY NIGHT... * Sky/weather.....................Partly cloudy. Chance of showers in the evening. slight chance of thunderstorms . slight chance of showers after midnight. * Min Temperature.................82-92. * 24 hr trend..................3 degrees cooler. * Max Humidity....................47-58 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph in the evening becoming southeast 5 to 10 mph after midnight. * Winds...10000 FT MSL............North 10 to 20 mph. * Chance of Precip................30 percent. * CWR (>= 0.10 IN)................0 percent west portion...20 percent east portion. * LAL.............................2. .MONDAY... * Sky/weather.....................Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Max Temperature.................104-111. * 24 hr trend..................Little change. * Min Humidity....................19-26 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Northeast 10 to 20 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1 in the morning becoming 2 in the afternoon. * Haines High Level Index.........4 low potential for large plume dominated fire growth. * Mixing Height for Phoenix.......7800 ft AGL. * Transport Wind for Phoenix......Southeast 5 knots. * Dispersion for Phoenix..........Marginal. .EXTENDED... .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 84-94. Highs 106-112. South winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 84-94. Highs 105-111. Southwest winds 5 to 15 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 83-93. Highs 105-112. South winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 82-92. Highs 105-112. .SATURDAY...Mostly clear. Lows 79-89. Highs 103-109. $$ AZZ131-CAZ231-211000- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 300 PM MST Sat Jul 20 2024 /300 PM PDT Sat Jul 20 2024/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................85-90. * 24 hr trend..................Little change. * Max Humidity....................42-55 pct. * 24 hr trend..................8 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. * LAL.............................1. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................109-114. * 24 hr trend..................3 degrees cooler. * Min Humidity....................20-26 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Northeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. * Mixing Height for Yuma..........6200 ft AGL. * Transport Wind for Yuma.........South 13 knots. * Dispersion for Yuma.............Very good. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................84-89. * 24 hr trend..................Little change. * Max Humidity....................46-58 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming northeast 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................108-113. * 24 hr trend..................Little change. * Min Humidity....................21-26 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............East 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........4 low potential for large plume dominated fire growth. * Mixing Height for Yuma..........8300 ft AGL. * Transport Wind for Yuma.........South 9 knots. * Dispersion for Yuma.............Good. .EXTENDED... .TUESDAY...Mostly clear with slight chance of showers. Lows 86-91. Highs 108-113. South winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers. Lows 86-91. Highs 108-113. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 86-91. Highs 108-113. South winds 10 to 20 mph. .FRIDAY...Mostly clear. Lows 84-90. Highs 109-114. .SATURDAY...Mostly clear. Lows 80-87. Highs 106-111. $$ AZZ133-211000- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 300 PM MST Sat Jul 20 2024 .TONIGHT... * Sky/weather.....................Partly cloudy. Chance of showers and thunderstorms in the evening becoming slight chance of showers and thunderstorms after midnight. * Min Temperature.................67-85. * 24 hr trend..................Little change. * Max Humidity....................47-70 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................40 percent. * CWR (>= 0.10 IN)................10 percent. * LAL.............................3 in the evening becoming 2 after midnight. .SUNDAY... * Sky/weather.....................Mostly sunny in the morning becoming mostly cloudy in the afternoon. Chance of showers and thunderstorms in the afternoon. * Max Temperature.................89-105. * 24 hr trend..................4 degrees cooler. * Min Humidity....................23-34 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............North 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................10 percent in the morning becoming 60 percent in the afternoon. * CWR (>= 0.10 IN)................50 percent. * LAL.............................1 in the morning becoming 3 in the afternoon. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .SUNDAY NIGHT... * Sky/weather.....................Mostly cloudy in the evening becoming partly cloudy after midnight. Showers likely and chance of thunderstorms in the evening becoming slight chance of showers and thunderstorms after midnight. * Min Temperature.................64-82. * 24 hr trend..................3 degrees cooler. * Max Humidity....................55-75 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Northeast 10 to 15 mph. * Chance of Precip................60 percent. * CWR (>= 0.10 IN)................40 percent. * LAL.............................3 in the evening becoming 2 after midnight. .MONDAY... * Sky/weather.....................Mostly sunny in the morning becoming mostly cloudy in the afternoon. Chance of showers and thunderstorms in the afternoon. * Max Temperature.................87-103. * 24 hr trend..................Little change. * Min Humidity....................25-36 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............East 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................10 percent in the morning becoming 50 percent in the afternoon. * CWR (>= 0.10 IN)................20 percent. * LAL.............................1 in the morning becoming 3 in the afternoon. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .EXTENDED... .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 65-85. Highs 89-105. East winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 66-85. Highs 91-106. Southwest winds 5 to 15 mph. .THURSDAY...Showers likely and chance of thunderstorms. Lows 66-84. Highs 90-105. North winds 5 to 15 mph. .FRIDAY...Partly cloudy with chance of showers and thunderstorms. Lows 65-84. Highs 89-104. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 65-83. Highs 88-103. $$ CAZ232-211000- Imperial County And Eastern Riverside County- 300 PM PDT Sat Jul 20 2024 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................84-90. * 24 hr trend..................Little change. * Max Humidity....................30-58 pct. * 24 hr trend..................12 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. * LAL.............................1. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................104-114. * 24 hr trend..................Little change. * Min Humidity....................15-24 pct. * 24 hr trend..................6 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. * LAL.............................1. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................83-89. * 24 hr trend..................Little change. * Max Humidity....................39-64 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming northeast 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................104-113. * 24 hr trend..................Little change. * Min Humidity....................18-27 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................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........4 low potential for large plume dominated fire growth. .EXTENDED... .TUESDAY...Mostly clear with slight chance of showers. Lows 86-92. Highs 104-114. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers. Lows 86-92. Highs 104-114. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 85-92. Highs 105-115. South winds 10 to 20 mph. .FRIDAY...Mostly clear. Lows 81-91. Highs 105-114. .SATURDAY...Mostly clear. Lows 77-87. Highs 103-112. $$ CAZ230-211000- Joshua Tree National Park- 300 PM PDT Sat Jul 20 2024 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................75-87. * 24 hr trend..................Little change. * Max Humidity....................23-30 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 evening becoming southeast 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SUNDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................96-110. * 24 hr trend..................Little change. * Min Humidity....................14-20 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 morning becoming light and variable in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .SUNDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................74-86. * 24 hr trend..................Little change. * Max Humidity....................33-43 pct. * 24 hr trend..................11 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Northeast 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................94-108. * 24 hr trend..................Little change. * Min Humidity....................19-25 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Northeast 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. * LAL.............................1. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .EXTENDED... .TUESDAY...Mostly clear with slight chance of showers. Lows 76-88. Highs 95-109. Southwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of showers. Lows 76-89. Highs 95-109. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 75-89. Highs 96-110. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 70-88. Highs 95-109. .SATURDAY...Mostly clear. Lows 68-83. Highs 93-107. $$ .8 TO 10 DAY OUTLOOK...Sunday July 28th through Tuesday July 30th: Above normal temperatures and below median precipitation.