FNUS55 KPSR 210801 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 101 AM MST Thu Nov 21 2024 .DISCUSSION... High pressure and dry conditions will prevail into the weekend with temperatures running slightly above normal. Expect MinRHs dropping to around 10% across the lower deserts to 15% in higher terrain areas through Friday before increasing a good deal starting Sunday. Overall light winds will continue with only some periodic light breezes mainly during the morning hours and focused along ridgetops. Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-212015- 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- 101 AM MST Thu Nov 21 2024 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................76-81. * 24 hr trend..................5 degrees warmer. * Min Humidity....................8-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 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.......600 ft AGL. * Transport Wind for Phoenix......Northwest 2 knots. * Dispersion for Phoenix..........Poor. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................41-51. * 24 hr trend..................Little change. * Max Humidity....................18-38 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................76-81. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 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.......600 ft AGL. * Transport Wind for Phoenix......Calm. * Dispersion for Phoenix..........Poor. .EXTENDED... .SATURDAY...Clear. Lows 42-53. Highs 74-79. Southeast winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Partly cloudy. Lows 46-56. Highs 69-75. Southwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 47-57. Highs 70-76. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 47-57. Highs 69-76. .WEDNESDAY...Partly cloudy. Lows 43-54. Highs 68-73. $$ AZZ131-CAZ231-212015- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 101 AM MST Thu Nov 21 2024 /1201 AM PST Thu Nov 21 2024/ .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................75-80. * 24 hr trend..................5 degrees warmer. * Min Humidity....................9-13 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 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..........1200 ft AGL. * Transport Wind for Yuma.........North 7 knots. * Dispersion for Yuma.............Poor. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................37-47. * 24 hr trend..................Little change. * Max Humidity....................25-44 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................75-80. * 24 hr trend..................Little change. * Min Humidity....................8-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Southwest 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..........1100 ft AGL. * Transport Wind for Yuma.........Northwest 5 knots. * Dispersion for Yuma.............Poor. .EXTENDED... .SATURDAY...Clear. Lows 38-53. Highs 74-79. South winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Partly cloudy. Lows 47-55. Highs 71-76. Southwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 46-55. Highs 72-77. Southwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 46-54. Highs 71-76. .WEDNESDAY...Partly cloudy. Lows 43-54. Highs 69-74. $$ AZZ133-212015- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 101 AM MST Thu Nov 21 2024 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................66-80. * 24 hr trend..................5 degrees warmer. * Min Humidity....................9-15 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 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.....................Clear. * Min Temperature.................38-51. * 24 hr trend..................Little change. * Max Humidity....................21-35 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..East 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................67-81. * 24 hr trend..................Little change. * Min Humidity....................9-14 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............Southwest 10 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. .EXTENDED... .SATURDAY...Clear. Lows 39-51. Highs 65-78. Southeast winds 5 to 10 mph. Minimum relative humidity may be lower than 15 percent. .SUNDAY...Partly cloudy. Lows 39-52. Highs 59-73. South winds 5 to 15 mph. .MONDAY...Partly cloudy. Lows 40-52. Highs 59-73. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 39-52. Highs 59-73. .WEDNESDAY...Partly cloudy. Lows 34-51. Highs 56-70. $$ CAZ232-212015- Imperial County And Eastern Riverside County- 1201 AM PST Thu Nov 21 2024 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................71-78. * 24 hr trend..................5 degrees warmer. * Min Humidity....................9-14 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 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.....................Clear. * Min Temperature.................42-53. * 24 hr trend..................Little change. * Max Humidity....................18-39 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * LAL.............................1. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................72-79. * 24 hr trend..................Little change. * Min Humidity....................8-13 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............West 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. .EXTENDED... .SATURDAY...Mostly clear. Lows 43-58. Highs 70-80. West winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 50-58. Highs 67-78. West winds 5 to 15 mph. .MONDAY...Partly cloudy. Lows 48-58. Highs 67-77. West winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 48-57. Highs 67-76. .WEDNESDAY...Partly cloudy. Lows 46-57. Highs 65-75. $$ CAZ230-212015- Joshua Tree National Park- 1201 AM PST Thu Nov 21 2024 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................64-72. * 24 hr trend..................5 degrees warmer. * Min Humidity....................8-12 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............Southwest 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. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................40-48. * 24 hr trend..................Little change. * Max Humidity....................16-23 pct. * 24 hr trend..................6 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. * LAL.............................1. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................66-75. * 24 hr trend..................Little change. * Min Humidity....................5-9 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............West 10 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. .EXTENDED... .SATURDAY...Mostly clear. Lows 41-50. Highs 62-74. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 40-50. Highs 57-70. West winds 5 to 15 mph. .MONDAY...Partly cloudy with slight chance of showers. Lows 40-50. Highs 56-69. Southwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 39-49. Highs 56-68. .WEDNESDAY...Partly cloudy. Lows 37-49. Highs 56-68. $$ .8 TO 10 DAY OUTLOOK...Thursday November 28th through Saturday November 30th: Near normal temperatures and near median precipitation.