Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
803 FNUS55 KPSR 040758 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1258 AM MST Fri Oct 4 2024 .DISCUSSION... Dry conditions and seasonally extreme heat will continue through the end of the week and into the weekend. Afternoon high temperatures will reach up to 106-112 degrees across the lower deserts. This heat will in turn lead to low RH values in the afternoons falling into the 5-15% range for all districts. Overnight recoveries will only be to around 20-35% for most areas. Winds will tend to follow typical diurnal upslope/downslope patterns. Afternoon wind gusts may occasionally reach 15-25 mph. Otherwise, winds will be light. Skies will be mostly clear, with no rain expected. Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-042000- 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- 1258 AM MST Fri Oct 4 2024 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................104-109. * 24 hr trend..................Little change. * Min Humidity....................7-11 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming west in the afternoon. * Winds...10000 FT MSL............Southwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........6 high potential for large plume dominated fire growth. * Mixing Height for Phoenix.......10100 ft AGL. * Transport Wind for Phoenix......West 3 knots. * Dispersion for Phoenix..........Fair. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................73-83. * 24 hr trend..................Little change. * Max Humidity....................19-30 pct. * 24 hr trend..................9 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................103-109. * 24 hr trend..................Little change. * Min Humidity....................7-11 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming north in the afternoon. * Winds...10000 FT MSL............Northwest 5 to 15 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.......9500 ft AGL. * Transport Wind for Phoenix......West 5 knots. * Dispersion for Phoenix..........Good. .EXTENDED... .SUNDAY...Clear. Lows 72-82. Highs 103-109. North winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 71-81. Highs 102-109. East winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Partly cloudy. Lows 71-81. Highs 99-105. Southeast winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Partly cloudy. Lows 69-79. Highs 97-102. .THURSDAY...Mostly clear. Lows 68-78. Highs 95-101. $$ AZZ131-CAZ231-042000- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1258 AM MST Fri Oct 4 2024 /1258 AM PDT Fri Oct 4 2024/ .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................105-110. * 24 hr trend..................Little change. * Min Humidity....................10-14 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 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..........4300 ft AGL. * Transport Wind for Yuma.........South 5 knots. * Dispersion for Yuma.............Fair. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................71-78. * 24 hr trend..................Little change. * Max Humidity....................28-40 pct. * 24 hr trend..................14 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming north after midnight. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................106-111. * 24 hr trend..................Little change. * Min Humidity....................7-11 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Northwest 5 to 15 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..........13900 ft AGL. * Transport Wind for Yuma.........West 5 knots. * Dispersion for Yuma.............Good. .EXTENDED... .SUNDAY...Clear. Lows 71-79. Highs 106-111. North winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 71-78. Highs 105-110. Northwest winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Partly cloudy. Lows 69-76. Highs 101-106. South winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 68-75. Highs 98-103. .THURSDAY...Mostly clear. Lows 67-74. Highs 97-102. $$ AZZ133-042000- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1258 AM MST Fri Oct 4 2024 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................89-105. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........6 high potential for large plume dominated fire growth. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................59-75. * 24 hr trend..................Little change. * Max Humidity....................20-34 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................87-103. * 24 hr trend..................Little change. * Min Humidity....................9-13 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Northwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. * Haines High Level Index.........6 high potential for large plume dominated fire growth. .EXTENDED... .SUNDAY...Clear. Lows 57-75. Highs 89-105. Northeast winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 59-75. Highs 86-103. East winds 10 to 20 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Partly cloudy. Lows 59-76. Highs 84-101. East winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Partly cloudy. Lows 56-76. Highs 82-99. .THURSDAY...Mostly clear. Lows 55-72. Highs 81-97. $$ CAZ232-042000- Imperial County And Eastern Riverside County- 1258 AM PDT Fri Oct 4 2024 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................101-110. * 24 hr trend..................Little change. * Min Humidity....................8-15 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph. * Winds...10000 FT MSL............Southwest 5 to 15 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. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................75-84. * 24 hr trend..................Little change. * Max Humidity....................19-42 pct. * 24 hr trend..................12 pct drier. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming northwest after midnight. * Winds...10000 FT MSL............Light and variable. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................101-111. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 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.........5 moderate potential for large plume dominated fire growth. .EXTENDED... .SUNDAY...Clear. Lows 76-83. Highs 102-111. Northwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 73-83. Highs 101-110. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Partly cloudy. Lows 71-81. Highs 97-107. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 70-78. Highs 94-102. .THURSDAY...Mostly clear. Lows 69-76. Highs 92-101. $$ CAZ230-042000- Joshua Tree National Park- 1258 AM PDT Fri Oct 4 2024 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................91-105. * 24 hr trend..................Little change. * Min Humidity....................8-13 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............South 5 to 15 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. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................69-79. * 24 hr trend..................Little change. * Max Humidity....................19-25 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming northwest after midnight. * Winds...10000 FT MSL............Northwest 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .SATURDAY... * Sky/weather.....................Sunny. * Max Temperature.................91-104. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph in the morning becoming northeast 5 to 10 mph in the afternoon. * Winds...10000 FT MSL............Light and variable. * 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... .SUNDAY...Mostly clear. Lows 68-78. Highs 91-104. Northwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Mostly clear. Lows 66-78. Highs 90-103. West winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .TUESDAY...Partly cloudy. Lows 63-76. Highs 86-100. Southwest winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .WEDNESDAY...Mostly clear. Lows 61-73. Highs 83-97. .THURSDAY...Mostly clear. Lows 59-71. Highs 81-95. $$ .8 TO 10 DAY OUTLOOK...Friday October 11th through Sunday October 13th: Above normal temperatures and below median precipitation.