496
FNUS55 KPSR 222117
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
217 PM MST THU OCT 22 2026
DISCUSSION
DRYING WILL RAPIDLY SPREAD INTO EASTERN DISTRICTS THIS EVENING
BRINGING AN END TO THE THUNDERSTORM AND HEAVY RAINFALL THREAT. A
FEW LIGHT SHOWERS MAY AFFECT MOUNTAIN AREAS SATURDAY, HOWEVER NO
WETTING RAINFALL WOULD BE EXPECTED. MINIMUM HUMIDITY LEVELS WILL
FALL INTO A 25-50% RANGE FOLLOWING GOOD TO EXCELLENT OVERNIGHT
RECOVERY. GUSTY WEST WINDS UPWARDS OF 25-40 MPH WILL IMPACT
WESTERN DISTRICTS HIS EVENING WITH WINDS BECOMING MUCH LIGHTER
FRIDAY AND SATURDAY.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-230930-
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-
217 PM MST THU OCT 22 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................54-64.
* 24 HR TREND..................13 DEGREES COOLER.
* MAX HUMIDITY....................64-86 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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...............1 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................72-78.
* 24 HR TREND..................5 DEGREES COOLER.
* MIN HUMIDITY....................26-43 PCT.
* 24 HR TREND..................9 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...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......7000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 4 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................55-65.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................55-78 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................72-79.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................25-42 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE MORNING
BECOMING WEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......9000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 4 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
EXTENDED
SUNDAY
CLEAR. LOWS 55-65. HIGHS 75-81. NORTH WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 56-66. HIGHS 77-84. NORTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 58-68. HIGHS 78-84. NORTHEAST WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 59-69. HIGHS 78-84.
THURSDAY
PARTLY CLOUDY. LOWS 59-69. HIGHS 74-80.
AZZ131-CAZ231-230930-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
217 PM MST THU OCT 22 2026 /217 PM PDT THU OCT 22 2026/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................54-59.
* 24 HR TREND..................13 DEGREES COOLER.
* MAX HUMIDITY....................69-90 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................74-79.
* 24 HR TREND..................5 DEGREES COOLER.
* MIN HUMIDITY....................25-33 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH IN THE
MORNING BECOMING 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........6100 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 8 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................55-61.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................56-80 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-82.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................24-32 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........8400 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 7 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
SUNDAY
CLEAR. LOWS 57-64. HIGHS 79-84. NORTH WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 58-64. HIGHS 81-86. NORTH WINDS 5 TO
15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 58-65. HIGHS 81-86. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 59-65. HIGHS 80-85.
THURSDAY
PARTLY CLOUDY. LOWS 58-65. HIGHS 77-82.
AZZ133-230930-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
217 PM MST THU OCT 22 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR. CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.................50-61.
* 24 HR TREND..................9 DEGREES COOLER.
* MAX HUMIDITY....................80-100 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 35 TO 45 MPH IN THE
EVENING BECOMING 25 TO 35 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................40 PERCENT IN THE EVENING
BECOMING 0 PERCENT AFTER MIDNIGHT.
* CWR (>= 0.10 IN)................20 PERCENT.
* CHANCE OF THUNDER...............30 PERCENT.
FRIDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................63-75.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................41-58 PCT.
* 24 HR TREND..................25 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................46-58.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................67-93 PCT.
* 24 HR TREND..................12 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................MOSTLY SUNNY. SLIGHT CHANCE OF
SHOWERS . SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................61-73.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................40-55 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............9 PERCENT.
EXTENDED
SUNDAY
CLEAR. LOWS 43-58. HIGHS 62-75. NORTHEAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 43-59. HIGHS 65-78. NORTHEAST WINDS
5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 45-61. HIGHS 66-79. EAST WINDS 5 TO
15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 47-61. HIGHS 65-78.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 48-61. HIGHS 63-75.
CAZ232-230930-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
217 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................53-60.
* 24 HR TREND..................11 DEGREES COOLER.
* MAX HUMIDITY....................64-83 PCT.
* 24 HR TREND..................3 PCT WETTER.
* 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...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................70-79.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................25-38 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................57-63.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................55-78 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING NORTHEAST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................74-83.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................20-31 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
EXTENDED
SUNDAY
CLEAR. LOWS 58-66. HIGHS 75-84. NORTH WINDS 5 TO
15 MPH.
MONDAY
CLEAR. LOWS 59-66. HIGHS 77-86. NORTH WINDS 5 TO
15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 59-66. HIGHS 78-86. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 60-66. HIGHS 76-85.
THURSDAY
PARTLY CLOUDY. LOWS 58-66. HIGHS 74-81.
CAZ230-230930-
JOSHUA TREE NATIONAL PARK-
217 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................43-54.
* 24 HR TREND..................9 DEGREES COOLER.
* MAX HUMIDITY....................66-86 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.
FRIDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................60-72.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................31-44 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 MPH IN THE
MORNING BECOMING LIGHT AND VARIABLE IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................47-59.
* 24 HR TREND..................5 DEGREES WARMER.
* MAX HUMIDITY....................55-71 PCT.
* 24 HR TREND..................13 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE EVENING
BECOMING NORTHWEST 10 TO 20 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................63-75.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................27-35 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 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.
EXTENDED
SUNDAY
CLEAR. LOWS 50-60. HIGHS 65-77. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY
CLEAR. LOWS 51-60. HIGHS 67-79. NORTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 52-61. HIGHS 68-80. WEST WINDS 5 TO
10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 51-61. HIGHS 67-78.
THURSDAY
PARTLY CLOUDY. LOWS 48-60. HIGHS 63-75.
8 TO 10 DAY OUTLOOK
FRIDAY OCTOBER 30TH THROUGH SUNDAY NOVEMBER
1ST: NEAR NORMAL TEMPERATURES AND ABOVE MEDIAN PRECIPITATION.
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