512
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.
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