FNUS55 KPSR 150907 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 207 AM MST Thu Oct 15 2026 .DISCUSSION... Drier air will persist over the region over the next couple of days with mostly clear skies and lowering humidities. MinRHs will be between 15-25% across the western districts and 20-35% for the eastern districts. Northerly breezy winds will affect southeast CA and southwest AZ today before increasing to around advisory level late tonight and into Friday. The eastern districts will keep overall light winds for most of today before windy conditions settle in early Friday morning. Easterly wind gusts as high as 40-50 mph are expected Friday. Some moisture return Friday into Saturday may bring low- end rain chances, but wetting rains chances should remain below 10%. MinRH's are expected to then increase to between 25-35% areawide by Sunday. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-152115- 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- 207 AM MST Thu Oct 15 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................80-87. * 24 hr trend..................8 degrees warmer. * Min Humidity....................18-28 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Northeast 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......6500 ft AGL. * Transport Wind for Phoenix......Northeast 20 knots. * Dispersion for Phoenix..........Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................65-75. * 24 hr trend..................11 degrees warmer. * Max Humidity....................38-51 pct. * 24 hr trend..................20 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 10 to 20 mph. * Winds...10000 FT MSL............Southeast 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................80-88. * 24 hr trend..................Little change. * Min Humidity....................19-25 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 15 to 25 mph. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. * Mixing Height for Phoenix.......6500 ft AGL. * Transport Wind for Phoenix......East 27 knots. * Dispersion for Phoenix..........Excellent. .EXTENDED... .SATURDAY...Breezy. Partly cloudy. Lows 61-71. Highs 74-81. East winds 20 to 30 mph. .SUNDAY...Mostly clear. Lows 61-71. Highs 77-84. Northeast winds 10 to 20 mph. .MONDAY...Mostly clear. Lows 62-72. Highs 78-86. East winds 5 to 10 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 61-71. Highs 77-85. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 57-67. Highs 73-81. $$ AZZ131-CAZ231-152115- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 207 AM MST Thu Oct 15 2026 /207 AM PDT Thu Oct 15 2026/ .TODAY... * Sky/weather.....................Sunny. Patchy blowing dust in the afternoon. * Max Temperature.................82-87. * 24 hr trend..................5 degrees warmer. * Min Humidity....................18-24 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 10 to 20 mph. * Winds...10000 FT MSL............Northeast 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........7200 ft AGL. * Transport Wind for Yuma.........North 16 knots. * Dispersion for Yuma.............Excellent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................65-72. * 24 hr trend..................8 degrees warmer. * Max Humidity....................38-56 pct. * 24 hr trend..................8 pct drier. * Winds - 20 foot...Slope/Valley..North 10 to 20 mph. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. Patchy blowing dust in the morning. * Max Temperature.................85-90. * 24 hr trend..................3 degrees warmer. * Min Humidity....................19-23 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Northeast 15 to 25 mph. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............2 percent. * Mixing Height for Yuma..........6200 ft AGL. * Transport Wind for Yuma.........East 24 knots. * Dispersion for Yuma.............Excellent. .EXTENDED... .SATURDAY...Breezy. Partly cloudy. Lows 61-74. Highs 79-84. Northeast winds 20 to 30 mph. .SUNDAY...Mostly clear. Lows 61-69. Highs 81-86. North winds 5 to 15 mph. .MONDAY...Clear. Lows 61-69. Highs 81-86. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 60-69. Highs 81-86. .WEDNESDAY...Mostly clear with slight chance of showers. Lows 56-67. Highs 76-81. $$ AZZ133-152115- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 207 AM MST Thu Oct 15 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................68-83. * 24 hr trend..................9 degrees warmer. * Min Humidity....................25-37 pct. * 24 hr trend..................11 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............East 15 to 25 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................48-66. * 24 hr trend..................8 degrees warmer. * Max Humidity....................42-56 pct. * 24 hr trend..................17 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 10 to 20 mph. * Winds...10000 FT MSL............Southeast 30 to 40 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................65-81. * 24 hr trend..................3 degrees cooler. * Min Humidity....................21-30 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..East 15 to 25 mph. * Winds...10000 FT MSL............Southeast 30 to 40 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SATURDAY...Breezy. Partly cloudy. Lows 46-63. Highs 59-74. East winds 20 to 30 mph. .SUNDAY...Mostly clear with slight chance of showers. Lows 46-63. Highs 64-78. East winds 15 to 25 mph. .MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 49-66. Highs 67-82. East winds 5 to 15 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 51-66. Highs 66-80. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows 48-64. Highs 64-77. $$ CAZ232-152115- Imperial County And Eastern Riverside County- 207 AM PDT Thu Oct 15 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................77-87. * 24 hr trend..................4 degrees warmer. * Min Humidity....................15-26 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..North 15 to 25 mph. * Winds...10000 FT MSL............Northeast 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................65-73. * 24 hr trend..................7 degrees warmer. * Max Humidity....................37-47 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..North 15 to 25 mph. * Winds...10000 FT MSL............East 20 to 30 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Mostly sunny. * Max Temperature.................81-91. * 24 hr trend..................4 degrees warmer. * Min Humidity....................17-28 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 15 to 25 mph. * Winds...10000 FT MSL............East 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .SATURDAY...Partly cloudy. Lows 62-73. Highs 74-83. Northeast winds 15 to 25 mph. .SUNDAY...Mostly clear. Lows 62-69. Highs 75-85. North winds 5 to 15 mph. .MONDAY...Clear. Lows 63-69. Highs 76-86. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 60-68. Highs 75-85. .WEDNESDAY...Mostly clear with slight chance of showers. Lows 57-65. Highs 71-81. $$ CAZ230-152115- Joshua Tree National Park- 207 AM PDT Thu Oct 15 2026 .TODAY... * Sky/weather.....................Sunny. * Max Temperature.................65-78. * 24 hr trend..................3 degrees warmer. * Min Humidity....................25-32 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..North 15 to 25 mph. * Winds...10000 FT MSL............Northeast 30 to 40 mph in the morning becoming 20 to 30 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................53-63. * 24 hr trend..................3 degrees warmer. * Max Humidity....................46-59 pct. * 24 hr trend..................13 pct wetter. * Winds - 20 foot...Slope/Valley..North 15 to 25 mph. * Winds...10000 FT MSL............East 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .FRIDAY... * Sky/weather.....................Sunny. * Max Temperature.................68-81. * 24 hr trend..................3 degrees warmer. * Min Humidity....................26-36 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 10 to 20 mph. * Winds...10000 FT MSL............East 25 to 35 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............1 percent. .EXTENDED... .SATURDAY...Partly cloudy. Lows 54-66. Highs 63-76. Northeast winds 10 to 20 mph. .SUNDAY...Mostly clear. Lows 54-63. Highs 65-77. Northeast winds 5 to 10 mph. .MONDAY...Clear. Lows 53-63. Highs 66-78. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 48-62. Highs 64-77. .WEDNESDAY...Mostly clear with slight chance of showers. Lows 46-58. Highs 60-73. $$ .8 TO 10 DAY OUTLOOK...Thursday October 22nd through Saturday October 24th: Near to below normal temperatures and near to above median precipitation.