Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
477 FNUS55 KPSR 151941 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 1241 PM MST Mon Dec 15 2025 .DISCUSSION... Persistent high pressure across the region will result in warm and dry conditions all week. Highs in the upper 70s to the lower 80s will be common across the lower deserts, or 10 to 15 degrees above daily normals. Winds will follow diurnal upslope/downvalley patterns with speeds remaining around 15 mph or less. MinRHs will range from 15-25% with fair overnight recovery between 40-70%. Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-160745- 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- 1241 PM MST Mon Dec 15 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................45-55. * 24 hr trend..................Little change. * Max Humidity....................37-65 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming north 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................72-77. * 24 hr trend..................Little change. * Min Humidity....................18-24 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming northwest in the afternoon. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......800 ft AGL. * Transport Wind for Phoenix......West 2 knots. * Dispersion for Phoenix..........Poor. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................46-56. * 24 hr trend..................Little change. * Max Humidity....................35-64 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Northwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................73-78. * 24 hr trend..................Little change. * Min Humidity....................18-24 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming northwest in the afternoon. * Winds...10000 FT MSL............Northwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......900 ft AGL. * Transport Wind for Phoenix......South 2 knots. * Dispersion for Phoenix..........Poor. .EXTENDED... .THURSDAY...Mostly clear. Lows 46-56. Highs 74-79. Northeast winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 48-58. Highs 76-81. East winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 48-58. Highs 74-79. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 49-59. Highs 74-79. .MONDAY...Mostly clear. Lows 49-59. Highs 75-80. $$ AZZ131-CAZ231-160745- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 1241 PM MST Mon Dec 15 2025 /1141 AM PST Mon Dec 15 2025/ .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................44-53. * 24 hr trend..................Little change. * Max Humidity....................40-66 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............North 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................75-80. * 24 hr trend..................Little change. * Min Humidity....................16-20 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........800 ft AGL. * Transport Wind for Yuma.........North 8 knots. * Dispersion for Yuma.............Poor. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................44-53. * 24 hr trend..................Little change. * Max Humidity....................42-64 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Northwest 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................75-80. * 24 hr trend..................Little change. * Min Humidity....................17-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Northwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........600 ft AGL. * Transport Wind for Yuma.........Southeast 4 knots. * Dispersion for Yuma.............Poor. .EXTENDED... .THURSDAY...Mostly clear. Lows 45-54. Highs 75-80. North winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 46-53. Highs 77-82. East winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 46-54. Highs 75-80. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 48-54. Highs 74-79. .MONDAY...Mostly clear. Lows 48-54. Highs 75-80. $$ AZZ133-160745- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 1241 PM MST Mon Dec 15 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................36-52. * 24 hr trend..................Little change. * Max Humidity....................35-57 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the evening becoming northwest 5 to 15 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................64-76. * 24 hr trend..................Little change. * Min Humidity....................17-22 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming northwest in the afternoon. * Winds...10000 FT MSL............North 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................37-52. * 24 hr trend..................Little change. * Max Humidity....................31-47 pct. * 24 hr trend..................6 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................64-76. * 24 hr trend..................Little change. * Min Humidity....................18-22 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming southwest in the afternoon. * Winds...10000 FT MSL............Northwest 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .THURSDAY...Mostly clear. Lows 38-55. Highs 66-77. Northeast winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 40-55. Highs 67-80. East winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 39-53. Highs 65-77. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 38-53. Highs 64-77. .MONDAY...Mostly clear. Lows 38-53. Highs 66-79. $$ CAZ232-160745- Imperial County And Eastern Riverside County- 1141 AM PST Mon Dec 15 2025 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................49-59. * 24 hr trend..................Little change. * Max Humidity....................26-52 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY... * Sky/weather.....................Sunny. * Max Temperature.................74-83. * 24 hr trend..................Little change. * Min Humidity....................13-18 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................49-59. * 24 hr trend..................Little change. * Max Humidity....................30-53 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph in the evening becoming 20 to 30 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................73-81. * 24 hr trend..................Little change. * Min Humidity....................15-24 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Northwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .THURSDAY...Mostly clear. Lows 49-59. Highs 73-81. North winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 49-58. Highs 74-82. South winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 49-58. Highs 71-79. South winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 50-58. Highs 70-79. .MONDAY...Mostly clear. Lows 50-57. Highs 71-79. $$ CAZ230-160745- Joshua Tree National Park- 1141 AM PST Mon Dec 15 2025 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................48-56. * 24 hr trend..................Little change. * Max Humidity....................24-34 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................68-78. * 24 hr trend..................3 degrees warmer. * Min Humidity....................12-16 pct. * 24 hr trend..................4 pct drier. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............North 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TUESDAY NIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................50-57. * 24 hr trend..................Little change. * Max Humidity....................29-42 pct. * 24 hr trend..................7 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................69-78. * 24 hr trend..................Little change. * Min Humidity....................20-25 pct. * 24 hr trend..................9 pct wetter. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............West 20 to 30 mph in the morning becoming northwest 30 to 40 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .THURSDAY...Mostly clear. Lows 48-56. Highs 67-76. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 48-56. Highs 68-78. Southwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 48-56. Highs 66-75. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 46-56. Highs 64-74. .MONDAY...Partly cloudy. Lows 45-54. Highs 63-74. $$ .8 TO 10 DAY OUTLOOK...Tuesday December 23rd through Thursday December 25th: Above normal temperatures and near median precipitation.