Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
274 FNUS55 KPSR 211038 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 338 AM MST Sun Jul 21 2024 .DISCUSSION... Thunderstorm coverage will expand from higher terrain areas of eastern districts into lower elevations today, then spread into parts of western Arizona Monday. 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 20-30% following a wide range of overnight recovery from 30% in western districts to better than 80% 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. AZZ132-212245- 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- 338 AM MST Sun Jul 21 2024 .TODAY... * Sky/weather.....................Mostly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. * Max Temperature.................105-111. * 24 hr trend..................Little change. * Min Humidity....................20-26 pct. * 24 hr trend..................5 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............Light and variable in the morning becoming northwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent in the morning becoming 30 percent in the afternoon. * CWR (>= 0.10 IN)................10 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.......3700 ft AGL. * Transport Wind for Phoenix......North 24 knots. * Dispersion for Phoenix..........Very good. .TONIGHT... * Sky/weather.....................Partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. * Min Temperature.................80-90. * 24 hr trend..................3 degrees cooler. * Max Humidity....................46-62 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............North 10 to 20 mph. * Chance of Precip................30 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................0 percent west portion...10 percent east portion. * LAL.............................2 in the evening becoming 1 after midnight. .MONDAY... * Sky/weather.....................Partly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. * Max Temperature.................104-110. * 24 hr trend..................Little change. * Min Humidity....................21-27 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................10 percent in the morning becoming 30 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.......7100 ft AGL. * Transport Wind for Phoenix......West 5 knots. * Dispersion for Phoenix..........Fair. .EXTENDED... .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 84-94. Highs 106-112. South winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 84-94. Highs 105-110. Southwest winds 5 to 15 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 82-92. Highs 105-111. South winds 5 to 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 81-91. Highs 105-112. .SATURDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 79-89. Highs 104-110. $$ AZZ131-CAZ231-212245- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 338 AM MST Sun Jul 21 2024 /338 AM PDT Sun Jul 21 2024/ .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................107-112. * 24 hr trend..................Little change. * Min Humidity....................21-26 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. * Mixing Height for Yuma..........6500 ft AGL. * Transport Wind for Yuma.........South 13 knots. * Dispersion for Yuma.............Very good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................84-89. * 24 hr trend..................Little change. * Max Humidity....................46-58 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Northeast 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .MONDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers in the afternoon. * Max Temperature.................107-112. * 24 hr trend..................Little change. * Min Humidity....................22-26 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............East 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. * Haines High Level Index.........4 low potential for large plume dominated fire growth. * Mixing Height for Yuma..........8000 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...Mostly clear 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 83-90. Highs 109-114. .SATURDAY...Mostly clear. Lows 80-87. Highs 106-111. $$ AZZ133-212245- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 338 AM MST Sun Jul 21 2024 .TODAY... * Sky/weather.....................Mostly sunny in the morning becoming mostly cloudy in the afternoon. Chance of showers and thunderstorms in the afternoon. * Max Temperature.................88-105. * 24 hr trend..................4 degrees cooler. * Min Humidity....................25-37 pct. * 24 hr trend..................8 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming west 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............Northwest 10 to 15 mph. * Chance of Precip................0 percent in the morning becoming 60 percent in the afternoon. * CWR (>= 0.10 IN)................40 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. .TONIGHT... * Sky/weather.....................Mostly cloudy in the evening becoming mostly clear after midnight. Chance of showers and thunderstorms in the evening. * Min Temperature.................63-80. * 24 hr trend..................4 degrees cooler. * Max Humidity....................60-80 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Northeast 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................50 percent in the evening becoming 10 percent after midnight. * CWR (>= 0.10 IN)................30 percent. * LAL.............................3 in the evening becoming 1 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....................26-39 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Northeast 5 to 15 mph in the morning becoming light and variable in the afternoon. * Chance of Precip................10 percent in the morning becoming 40 percent in the afternoon. * CWR (>= 0.10 IN)................20 percent. * LAL.............................1 in the morning becoming 3 in the afternoon. * Haines High Level Index.........4 low potential for large plume dominated fire growth. .EXTENDED... .TUESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 65-84. Highs 88-105. East winds 5 to 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 66-84. Highs 90-105. East winds 5 to 10 mph. .THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows 66-84. Highs 90-105. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy with chance of thunderstorms and slight chance of showers. Lows 65-84. Highs 89-104. .SATURDAY...Partly cloudy with chance of showers and thunderstorms. Lows 65-82. Highs 87-103. $$ CAZ232-212245- Imperial County And Eastern Riverside County- 338 AM PDT Sun Jul 21 2024 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................103-113. * 24 hr trend..................Little change. * Min Humidity....................17-26 pct. * 24 hr trend..................7 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................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................83-89. * 24 hr trend..................Little change. * Max Humidity....................40-62 pct. * 24 hr trend..................4 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.................103-112. * 24 hr trend..................Little change. * Min Humidity....................18-27 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 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................10 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. Lows 85-92. Highs 104-113. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 84-91. Highs 104-114. South winds 10 to 20 mph. .FRIDAY...Mostly clear. Lows 80-91. Highs 105-114. .SATURDAY...Mostly clear. Lows 77-86. Highs 102-112. $$ CAZ230-212245- Joshua Tree National Park- 338 AM PDT Sun Jul 21 2024 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................95-109. * 24 hr trend..................Little change. * Min Humidity....................16-22 pct. * 24 hr trend..................6 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................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................73-85. * 24 hr trend..................Little change. * Max Humidity....................35-45 pct. * 24 hr trend..................9 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. Slight chance of showers in the afternoon. * Max Temperature.................93-107. * 24 hr trend..................Little change. * Min Humidity....................19-26 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............East 5 to 15 mph. * Chance of Precip................0 percent in the morning becoming 20 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .EXTENDED... .TUESDAY...Partly cloudy with slight chance of showers. Lows 76-88. Highs 94-109. Southwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear with slight chance of showers. Lows 76-88. Highs 95-109. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 75-88. Highs 96-110. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 70-87. Highs 95-109. .SATURDAY...Mostly clear. Lows 69-82. Highs 92-107. $$ .8 TO 10 DAY OUTLOOK...Sunday July 28th through Tuesday July 30th: Above normal temperatures and near median precipitation.