


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
819 FNUS55 KPSR 110822 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 122 AM MST Tue Mar 11 2025 .DISCUSSION... An unsettled weather pattern will begin today as the first of two significant weather system this week moves into the region. Today will start off dry, but shower activity with a few isolated thunderstorms are expected to begin across the western districts by the afternoon and then spread into the eastern districts in the evening. Humidities today will improve a good deal with MinRHs mostly above 30% over the western districts to 15-20% in the eastern districts. Breezy southerly winds will also develop this afternoon across much of southern and central Arizona. Wednesday will bring some additional light showers over the higher terrain, while breezy conditions develop across the western districts. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-112030- 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- 122 AM MST Tue Mar 11 2025 .TODAY... * Sky/weather.....................Mostly sunny. Slight chance of showers in the afternoon. * Max Temperature.................68-76. * 24 hr trend..................9 degrees cooler. * Min Humidity....................15-32 pct. * 24 hr trend..................12 pct wetter. * Winds - 20 foot...Slope/Valley..South 10 to 20 mph. * Winds...10000 FT MSL............South 25 to 35 mph. * Chance of Precip................0 percent in the morning becoming 30 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Mixing Height for Phoenix.......5800 ft AGL. * Transport Wind for Phoenix......Southwest 22 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Mostly cloudy in the evening becoming partly cloudy after midnight. Showers and slight chance of thunderstorms in the evening becoming chance of showers after midnight. * Min Temperature.................50-60. * 24 hr trend..................Little change. * Max Humidity....................73-92 pct. * 24 hr trend..................45 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 25 to 35 mph. * Chance of Precip................70 percent. * CWR (>= 0.10 IN)................70 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Slight chance of showers. * Max Temperature.................64-73. * 24 hr trend..................3 degrees cooler. * Min Humidity....................38-54 pct. * 24 hr trend..................22 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............West 20 to 30 mph. * Chance of Precip................10 percent. * CWR (>= 0.10 IN)................0 percent. * Mixing Height for Phoenix.......6200 ft AGL. * Transport Wind for Phoenix......South 9 knots. * Dispersion for Phoenix..........Good. .EXTENDED... .THURSDAY...Breezy. Showers and slight chance of thunderstorms. Lows 38-54. Highs 58-69. South winds 20 to 30 mph. .FRIDAY...Partly cloudy. Lows 38-48. Highs 54-63. Southwest winds 15 to 25 mph. .SATURDAY...Mostly clear with slight chance of showers. Lows 41-51. Highs 61-70. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 42-55. Highs 68-75. .MONDAY...Partly cloudy. Lows 45-55. Highs 72-79. $$ AZZ131-CAZ231-112030- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 122 AM MST Tue Mar 11 2025 /122 AM PDT Tue Mar 11 2025/ .TODAY... * Sky/weather.....................Partly sunny. Chance of showers in the afternoon. * Max Temperature.................70-75. * 24 hr trend..................10 degrees cooler. * Min Humidity....................25-35 pct. * 24 hr trend..................17 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 15 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............South 20 to 30 mph. * Chance of Precip................0 percent in the morning becoming 50 percent in the afternoon. * CWR (>= 0.10 IN)................0 percent. * Mixing Height for Yuma..........5000 ft AGL. * Transport Wind for Yuma.........Southwest 13 knots. * Dispersion for Yuma.............Good. .TONIGHT... * Sky/weather.....................Mostly cloudy in the evening becoming mostly clear after midnight. Chance of showers and slight chance of thunderstorms in the evening. * Min Temperature.................48-53. * 24 hr trend..................Little change. * Max Humidity....................82-100 pct. * 24 hr trend..................42 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 10 mph in the evening becoming southeast after midnight. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................80 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................70 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................70-75. * 24 hr trend..................Little change. * Min Humidity....................34-43 pct. * 24 hr trend..................10 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming south 10 to 20 mph in the afternoon. * Winds...10000 FT MSL............West 15 to 25 mph in the morning becoming southwest 25 to 35 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Mixing Height for Yuma..........6300 ft AGL. * Transport Wind for Yuma.........South 14 knots. * Dispersion for Yuma.............Very good. .EXTENDED... .THURSDAY...Windy, showers. Patchy blowing dust. Lows 42-55. Highs 62-67. Southwest winds 25 to 35 mph. .FRIDAY...Partly cloudy. Lows 42-48. Highs 61-66. Southwest winds 15 to 25 mph. .SATURDAY...Mostly clear. Lows 43-50. Highs 68-73. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 45-55. Highs 73-78. .MONDAY...Partly cloudy. Lows 48-55. Highs 75-80. $$ AZZ133-112030- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 122 AM MST Tue Mar 11 2025 .TODAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................60-73. * 24 hr trend..................4 degrees cooler. * Min Humidity....................13-19 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..Southeast 5 to 10 mph in the morning becoming southwest 10 to 20 mph in the afternoon. * Winds...10000 FT MSL............Southwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .TONIGHT... * Sky/weather.....................Partly cloudy in the evening becoming mostly cloudy after midnight. Chance of showers in the evening becoming showers after midnight. * Min Temperature.................38-51. * 24 hr trend..................Little change. * Max Humidity....................78-95 pct. * 24 hr trend..................52 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............Southwest 30 to 40 mph. * Chance of Precip................90 percent. * CWR (>= 0.10 IN)................90 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. Showers likely in the morning becoming slight chance of showers in the afternoon. * Max Temperature.................51-65. * 24 hr trend..................9 degrees cooler. * Min Humidity....................42-64 pct. * 24 hr trend..................37 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................70 percent. * CWR (>= 0.10 IN)................20 percent. .EXTENDED... .THURSDAY...Breezy, showers. Lows 29-51. Highs 51-64. South winds 20 to 30 mph. .FRIDAY...Cooler. Partly cloudy with chance of showers and slight chance of snow showers. Lows 29-41. Highs 39-53. Southwest winds 15 to 25 mph. .SATURDAY...Partly cloudy with chance of showers and snow showers. Lows 28-42. Highs 44-59. Southwest winds 5 to 15 mph. .SUNDAY...Warmer. Mostly clear. Lows 28-50. Highs 56-70. .MONDAY...Partly cloudy. Lows 37-50. Highs 62-75. $$ CAZ232-112030- Imperial County And Eastern Riverside County- 122 AM PDT Tue Mar 11 2025 .TODAY... * Sky/weather.....................Partly sunny. Slight chance of showers in the morning becoming chance of showers in the afternoon. * Max Temperature.................62-72. * 24 hr trend..................11 degrees cooler. * Min Humidity....................26-40 pct. * 24 hr trend..................18 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. * Winds...10000 FT MSL............South 25 to 35 mph. * Chance of Precip................60 percent. * CWR (>= 0.10 IN)................20 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. Chance of showers in the evening. * Min Temperature.................47-53. * 24 hr trend..................Little change. * Max Humidity....................75-99 pct. * 24 hr trend..................39 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the evening becoming mostly downslope/downvalley after midnight. * Winds...10000 FT MSL............West 15 to 25 mph. * Chance of Precip................60 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................40 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. Patchy fog in the morning. * Max Temperature.................65-76. * 24 hr trend..................3 degrees warmer. * Min Humidity....................35-49 pct. * 24 hr trend..................9 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............Southwest 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .EXTENDED... .THURSDAY...Windy, showers. Patchy blowing dust. Lows 42-56. Highs 56-66. Southwest winds 25 to 35 mph. .FRIDAY...Partly cloudy. Lows 42-52. Highs 57-67. West winds 15 to 25 mph. .SATURDAY...Mostly clear. Lows 43-53. Highs 64-73. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 46-57. Highs 69-78. .MONDAY...Partly cloudy. Lows 47-57. Highs 70-80. $$ CAZ230-112030- Joshua Tree National Park- 122 AM PDT Tue Mar 11 2025 .TODAY... * Sky/weather.....................Partly sunny. Chance of showers . * Max Temperature.................50-65. * 24 hr trend..................12 degrees cooler. * Min Humidity....................24-31 pct. * 24 hr trend..................14 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 15 mph. * Winds...10000 FT MSL............South 25 to 35 mph. * Chance of Precip................70 percent. * CWR (>= 0.10 IN)................40 percent. .TONIGHT... * Sky/weather.....................Partly cloudy. Chance of showers in the evening. * Min Temperature.................37-47. * 24 hr trend..................4 degrees cooler. * Max Humidity....................78-97 pct. * 24 hr trend..................55 pct wetter. * Winds - 20 foot...Slope/Valley..Southwest 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................50 percent in the evening becoming 0 percent after midnight. * CWR (>= 0.10 IN)................40 percent. .WEDNESDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................52-67. * 24 hr trend..................Little change. * Min Humidity....................41-64 pct. * 24 hr trend..................25 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the morning becoming 10 to 20 mph in the afternoon. * Winds...10000 FT MSL............Southwest 15 to 25 mph in the morning becoming 25 to 35 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. .EXTENDED... .THURSDAY...Breezy, showers. Lows 30-49. Highs 43-58. Southwest winds 20 to 30 mph. .FRIDAY...Partly cloudy. Lows 30-44. Highs 46-61. West winds 10 to 20 mph. .SATURDAY...Mostly clear. Lows 35-47. Highs 54-67. Northwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 38-51. Highs 59-71. .MONDAY...Partly cloudy with slight chance of showers. Lows 35-51. Highs 58-72. $$ .8 TO 10 DAY OUTLOOK...Tuesday March 18th through Thursday March 20th: Below normal temperatures and near median precipitation.