191
FNUS55 KPSR 120759
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1259 AM MST MON OCT 12 2026
DISCUSSION
PERIODS OF ISOLATED TO SCATTERED SHOWERS ARE EXPECTED THROUGH
TONIGHT BEFORE A WEAK COLD FRONT MOVES THROUGH AND DRIER AIR
BEGINS TO FILTER IN ON TUESDAY. ELEVATED MOISTURE LEVELS WILL
KEEP MINRHS MOSTLY ABOVE 40% THROUGH TUESDAY BEFORE GRADUALLY
LOWERING INTO THE LATTER PART OF THE WEEK. TODAY WILL BRING SOME
AFTERNOON BREEZINESS WITH GUSTS UP TO 25 MPH AT TIMES BEFORE
DIMINISHING FURTHER ON TUESDAY. BELOW NORMAL TEMPERATURES ARE
EXPECTED THROUGH AT LEAST THE MIDDLE OF THE WEEK.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-122000-
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-
1259 AM MST MON OCT 12 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.................72-82.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................42-61 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH.
* CHANCE OF PRECIP................20 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT WEST PORTION...10
PERCENT EAST PORTION.
* CHANCE OF THUNDER...............8 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......6600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 18 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY. CHANCE OF SHOWERS
. SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
* MIN TEMPERATURE.................54-64.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................69-100 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT WEST PORTION...30
PERCENT EAST PORTION.
* CHANCE OF THUNDER...............7 PERCENT.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................69-77.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................32-53 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......8000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 10 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
EXTENDED
WEDNESDAY
CLEAR. LOWS 49-59. HIGHS 72-80. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 52-66. HIGHS 79-86. NORTH WINDS 10 TO
20 MPH.
FRIDAY
BREEZY. MOSTLY CLEAR. LOWS 59-69. HIGHS 79-87. EAST
WINDS 20 TO 30 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 58-68. HIGHS 77-85.
SUNDAY
MOSTLY CLEAR. LOWS 58-68. HIGHS 79-86.
AZZ131-CAZ231-122000-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1259 AM MST MON OCT 12 2026 /1259 AM PDT MON OCT 12 2026/
TODAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................77-83.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................38-45 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
* MIXING HEIGHT FOR YUMA..........7900 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 17 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................53-60.
* 24 HR TREND..................7 DEGREES COOLER.
* MAX HUMIDITY....................67-100 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................74-79.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................28-37 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........7600 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 14 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
WEDNESDAY
CLEAR. LOWS 50-62. HIGHS 77-83. NORTH WINDS 10 TO
20 MPH.
THURSDAY
CLEAR. LOWS 53-68. HIGHS 83-88. NORTH WINDS 15 TO
25 MPH.
FRIDAY
BREEZY. MOSTLY CLEAR. LOWS 58-71. HIGHS 86-91.
NORTHEAST WINDS 20 TO 30 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 57-71. HIGHS 83-88.
SUNDAY
MOSTLY CLEAR. LOWS 57-67. HIGHS 85-90.
AZZ133-122000-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1259 AM MST MON OCT 12 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.................63-77.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................49-75 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 30 TO 40 MPH.
* CHANCE OF PRECIP................60 PERCENT.
* CWR (>= 0.10 IN)................30 PERCENT.
* CHANCE OF THUNDER...............16 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY CLOUDY AFTER MIDNIGHT. CHANCE OF SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS . SHOWERS LIKELY AFTER
MIDNIGHT.
* MIN TEMPERATURE.................50-62.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................86-100 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................80 PERCENT.
* CWR (>= 0.10 IN)................50 PERCENT.
* CHANCE OF THUNDER...............15 PERCENT.
TUESDAY
* SKY/WEATHER.....................PARTLY SUNNY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS .
* MAX TEMPERATURE.................60-73.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................51-75 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................60 PERCENT.
* CWR (>= 0.10 IN)................30 PERCENT.
* CHANCE OF THUNDER...............10 PERCENT.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 42-56. HIGHS 62-74. NORTH WINDS
10 TO 20 MPH.
THURSDAY
CLEAR. LOWS 42-63. HIGHS 68-81. NORTHEAST WINDS 15 TO
25 MPH.
FRIDAY
BREEZY. MOSTLY CLEAR. LOWS 46-63. HIGHS 65-79. EAST
WINDS 20 TO 30 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 45-62. HIGHS 62-76.
SUNDAY
MOSTLY CLEAR. LOWS 45-61. HIGHS 65-79.
CAZ232-122000-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1259 AM PDT MON OCT 12 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................69-80.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................37-56 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................51-58.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................69-86 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH IN THE
EVENING BECOMING 15 TO 25 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.................68-78.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................26-41 PCT.
* 24 HR TREND..................12 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
WEDNESDAY
CLEAR. LOWS 52-62. HIGHS 72-83. NORTH WINDS 10 TO
20 MPH.
THURSDAY
CLEAR. LOWS 56-68. HIGHS 76-88. NORTH WINDS 15 TO
25 MPH.
FRIDAY
BREEZY, CLEAR. LOWS 61-69. HIGHS 80-91. NORTH WINDS
20 TO 30 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 60-69. HIGHS 77-88.
SUNDAY
CLEAR. LOWS 60-68. HIGHS 79-90.
CAZ230-122000-
JOSHUA TREE NATIONAL PARK-
1259 AM PDT MON OCT 12 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................56-72.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................46-75 PCT.
* 24 HR TREND..................9 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................38-51.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................77-100 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 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.................56-69.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................36-52 PCT.
* 24 HR TREND..................17 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 10 TO 20 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.
EXTENDED
WEDNESDAY
CLEAR. LOWS 42-56. HIGHS 61-73. NORTHWEST WINDS
15 TO 25 MPH.
THURSDAY
BREEZY, CLEAR. LOWS 46-60. HIGHS 65-78. NORTH WINDS
20 TO 30 MPH.
FRIDAY
BREEZY, CLEAR. LOWS 50-61. HIGHS 68-81. NORTH WINDS
20 TO 30 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 51-61. HIGHS 67-79.
SUNDAY
CLEAR. LOWS 51-61. HIGHS 69-82.
8 TO 10 DAY OUTLOOK
MONDAY OCTOBER 19TH THROUGH WEDNESDAY
OCTOBER 21ST: NEAR TO ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN
PRECIPITATION.
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