Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
822 FNUS55 KPSR 191023 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 323 AM MST Thu Sep 19 2024 .DISCUSSION... A drier and cooler airmass encompassing the region will result in below normal temperatures through Saturday. Stronger southerly to southwesterly will develop this afternoon, with gusts to 20-25 mph expected today and tomorrow. MinRH`s will hover around 15-25% region-wide over the next couple of days, with some slight drying first across the western districts starting Saturday and spreading eastward on Sunday, with MinRH`s more in the 10-20% range by the beginning of next week. Overnight RH recoveries will be fair to good across the region over the next couple of mornings, before degrading to generally fair to poor in spots going into next week. Warming temperatures to above normal are expected to develop late this weekend and persist through most of next week. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-192230- 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- 323 AM MST Thu Sep 19 2024 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................88-96. * 24 hr trend..................Little change. * Min Humidity....................18-25 pct. * 24 hr trend..................6 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 20 to 30 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 Phoenix.......10300 ft AGL. * Transport Wind for Phoenix......South 11 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................62-72. * 24 hr trend..................Little change. * Max Humidity....................49-68 pct. * 24 hr trend..................7 pct wetter. * 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. * LAL.............................1. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................85-94. * 24 hr trend..................3 degrees cooler. * Min Humidity....................19-27 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. * LAL.............................1. * Haines High Level Index.........5 moderate potential for large plume dominated fire growth. * Mixing Height for Phoenix.......11600 ft AGL. * Transport Wind for Phoenix......South 15 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .SATURDAY...Mostly clear. Lows 62-72. Highs 88-94. Southwest winds 5 to 10 mph. .SUNDAY...Clear. Lows 65-75. Highs 95-101. North winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 69-79. Highs 98-105. North winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 69-79. Highs 99-105. .WEDNESDAY...Clear. Lows 69-79. Highs 98-105. $$ AZZ131-CAZ231-192230- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 323 AM MST Thu Sep 19 2024 /323 AM PDT Thu Sep 19 2024/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................89-94. * 24 hr trend..................Little change. * Min Humidity....................23-27 pct. * 24 hr trend..................9 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 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..........6800 ft AGL. * Transport Wind for Yuma.........South 11 knots. * Dispersion for Yuma.............Very good. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................62-67. * 24 hr trend..................Little change. * Max Humidity....................58-71 pct. * 24 hr trend..................Little 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. * LAL.............................1. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................86-91. * 24 hr trend..................3 degrees cooler. * Min Humidity....................20-27 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........5 moderate potential for large plume dominated fire growth. * Mixing Height for Yuma..........7900 ft AGL. * Transport Wind for Yuma.........West 10 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .SATURDAY...Clear. Lows 62-71. Highs 92-97. Southwest winds 5 to 10 mph. .SUNDAY...Clear. Lows 65-74. Highs 98-103. Northwest winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 69-75. Highs 101-106. Northwest winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 69-75. Highs 102-107. .WEDNESDAY...Clear. Lows 69-75. Highs 101-106. $$ AZZ133-192230- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 323 AM MST Thu Sep 19 2024 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................79-93. * 24 hr trend..................Little change. * Min Humidity....................17-25 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............South 15 to 25 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. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................53-68. * 24 hr trend..................Little change. * Max Humidity....................46-63 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming southeast after midnight. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................77-91. * 24 hr trend..................Little change. * Min Humidity....................19-27 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. * LAL.............................1. * Haines High Level Index.........4 low potential for large plume dominated fire growth. .EXTENDED... .SATURDAY...Mostly clear. Lows 50-67. Highs 73-87. Southwest winds 5 to 15 mph. .SUNDAY...Clear. Lows 50-71. Highs 81-97. Northeast winds 5 to 15 mph. .MONDAY...Clear. Lows 54-71. Highs 82-98. East winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 54-71. Highs 84-100. .WEDNESDAY...Clear. Lows 55-72. Highs 82-98. $$ CAZ232-192230- Imperial County And Eastern Riverside County- 323 AM PDT Thu Sep 19 2024 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................84-92. * 24 hr trend..................Little change. * Min Humidity....................21-29 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 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. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................61-67. * 24 hr trend..................Little change. * Max Humidity....................48-70 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............South 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................81-90. * 24 hr trend..................3 degrees cooler. * Min Humidity....................20-30 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..West 5 to 15 mph. * Winds...10000 FT MSL............South 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. * LAL.............................1. * Haines High Level Index.........5 moderate potential for large plume dominated fire growth. .EXTENDED... .SATURDAY...Clear. Lows 63-75. Highs 89-99. West winds 5 to 15 mph. .SUNDAY...Clear. Lows 68-79. Highs 94-103. Northwest winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Clear. Lows 72-79. Highs 97-106. Northwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 72-79. Highs 98-107. .WEDNESDAY...Clear. Lows 72-78. Highs 96-106. $$ CAZ230-192230- Joshua Tree National Park- 323 AM PDT Thu Sep 19 2024 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................71-87. * 24 hr trend..................Little change. * Min Humidity....................21-31 pct. * 24 hr trend..................11 pct wetter. * 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. * LAL.............................1. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................52-63. * 24 hr trend..................Little change. * Max Humidity....................53-68 pct. * 24 hr trend..................14 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming northwest after midnight. * Winds...10000 FT MSL............South 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .FRIDAY... * Sky/weather.....................Mostly sunny. Slight chance of showers and thunderstorms. * Max Temperature.................69-84. * 24 hr trend..................3 degrees cooler. * Min Humidity....................25-37 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southeast 10 to 20 mph in the morning becoming northeast 5 to 15 mph in the afternoon. * Chance of Precip................20 percent. * CWR (>= 0.10 IN)................10 percent. * LAL.............................2. * Haines High Level Index.........3 very low potential for large plume dominated fire growth. .EXTENDED... .SATURDAY...Clear. Lows 56-70. Highs 80-93. Northwest winds 5 to 15 mph. .SUNDAY...Clear. Lows 62-72. Highs 83-97. Northwest winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 64-74. Highs 85-99. Northwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Mostly clear. Lows 65-74. Highs 86-100. .WEDNESDAY...Clear. Lows 65-73. Highs 86-99. $$ .8 TO 10 DAY OUTLOOK...Thursday September 26th through Saturday September 28th: Above normal temperatures and below median precipitation.