744
FNUS55 KPSR 292036
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
136 PM MST TUE SEP 29 2026
DISCUSSION
RAINFALL COVERAGE HAS DIMINISHED SIGNIFICANTLY SINCE THIS
MORNING, BUT SOME ISOLATED SHOWERS AND THUNDERSTORMS CAN BE
EXPECTED FOR AREAS PRIMARILY EAST OF THE COLORADO RIVER THROUGH
THIS EVENING. FURTHER SHOWER ACTIVITY IS POSSIBLE FOR THE EASTERN
DISTRICTS TONIGHT INTO WEDNESDAY MORNING. MINRHS WILL FALL TOWARD
15-25% FOR THE WESTERN DISTRICTS WHILE READINGS REMAIN RELATIVELY
ELEVATED BETWEEN 30-50% ELSEWHERE THROUGH THURSDAY. DECENT TO
EXCELLENT OVERNIGHT RECOVERIES CAN BE EXPECTED THE NEXT FEW
MORNINGS. OUTSIDE OF BREEZY CONDITIONS THIS AFTERNOON FOR THE
WESTERN DISTRICTS, LIGHT AND DIURNAL TRENDS WILL BE COMMON IN THE
NEAR-TERM OTHERWISE.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-300845-
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-
136 PM MST TUE SEP 29 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.................60-70.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................70-97 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING SOUTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............NORTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............5 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................79-89.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................32-55 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING WEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......6200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 3 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
WEDNESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................62-72.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................71-93 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING EAST 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............NORTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................84-92.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................31-46 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING NORTHWEST IN THE AFTERNOON.
* 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 PHOENIX.......4900 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTHWEST 2 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
EXTENDED
FRIDAY
CLEAR. LOWS 66-76. HIGHS 87-96. EAST WINDS 5 TO 15 MPH.
SATURDAY
CLEAR. LOWS 68-78. HIGHS 88-97. EAST WINDS 10 TO
20 MPH.
SUNDAY
CLEAR. LOWS 68-78. HIGHS 89-99. EAST WINDS 15 TO
25 MPH.
MONDAY
CLEAR. LOWS 69-79. HIGHS 90-99.
TUESDAY
CLEAR. LOWS 69-79. HIGHS 91-99.
AZZ131-CAZ231-300845-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
136 PM MST TUE SEP 29 2026 /136 PM PDT TUE SEP 29 2026/
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................62-69.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................63-90 PCT.
* 24 HR TREND..................21 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 30 TO 40 MPH IN THE
EVENING BECOMING NORTH 20 TO 30 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................90-95.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................23-31 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........8200 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHWEST 4 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
WEDNESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................63-71.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................68-87 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................93-98.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................24-29 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH IN THE AFTERNOON.
* 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 YUMA..........7200 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHEAST 4 KNOTS.
* DISPERSION FOR YUMA.............POOR.
EXTENDED
FRIDAY
CLEAR. LOWS 66-79. HIGHS 96-101. NORTHEAST WINDS 5 TO
15 MPH.
SATURDAY
CLEAR. LOWS 70-79. HIGHS 97-102. EAST WINDS 10 TO
20 MPH.
SUNDAY
CLEAR. LOWS 70-79. HIGHS 98-103. EAST WINDS 10 TO
20 MPH.
MONDAY
CLEAR. LOWS 70-79. HIGHS 97-102.
TUESDAY
CLEAR. LOWS 70-78. HIGHS 98-103.
AZZ133-300845-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
136 PM MST TUE SEP 29 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY IN THE EVENING
BECOMING PARTLY CLOUDY AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS IN
THE EVENING. CHANCE OF SHOWERS . SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
* MIN TEMPERATURE.................50-62.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................90-100 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................50 PERCENT.
* CWR (>= 0.10 IN)................50 PERCENT.
* CHANCE OF THUNDER...............34 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................PARTLY SUNNY. CHANCE OF SHOWERS
IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS . SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................61-77.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................52-78 PCT.
* 24 HR TREND..................13 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............10 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................49-64.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................81-100 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING NORTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............6 PERCENT.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................73-85.
* 24 HR TREND..................10 DEGREES WARMER.
* MIN HUMIDITY....................41-56 PCT.
* 24 HR TREND..................17 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING WEST IN THE AFTERNOON.
* 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
FRIDAY
CLEAR. LOWS 52-69. HIGHS 74-88. EAST WINDS 10 TO
20 MPH.
SATURDAY
CLEAR. LOWS 52-70. HIGHS 74-89. EAST WINDS 10 TO
20 MPH.
SUNDAY
CLEAR. LOWS 53-70. HIGHS 74-89. EAST WINDS 15 TO
25 MPH.
MONDAY
MOSTLY CLEAR. LOWS 54-70. HIGHS 73-89.
TUESDAY
CLEAR. LOWS 54-71. HIGHS 75-90.
CAZ232-300845-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
136 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................65-73.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................39-68 PCT.
* 24 HR TREND..................24 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 35 TO 45 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................89-99.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................14-23 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................66-74.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................38-76 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE EVENING
BECOMING SOUTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............NORTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................90-99.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................20-27 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 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.
EXTENDED
FRIDAY
CLEAR. LOWS 70-80. HIGHS 92-101. NORTHEAST WINDS 5 TO
10 MPH.
SATURDAY
CLEAR. LOWS 73-80. HIGHS 92-102. NORTHEAST WINDS 5 TO
15 MPH.
SUNDAY
CLEAR. LOWS 73-80. HIGHS 93-102. NORTHEAST WINDS 5 TO
15 MPH.
MONDAY
CLEAR. LOWS 73-80. HIGHS 92-102.
TUESDAY
CLEAR. LOWS 73-80. HIGHS 92-102.
CAZ230-300845-
JOSHUA TREE NATIONAL PARK-
136 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................60-68.
* 24 HR TREND..................5 DEGREES WARMER.
* MAX HUMIDITY....................33-44 PCT.
* 24 HR TREND..................37 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 40 TO 50 MPH IN THE EVENING
BECOMING 30 TO 40 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-93.
* 24 HR TREND..................8 DEGREES WARMER.
* MIN HUMIDITY....................11-16 PCT.
* 24 HR TREND..................15 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH IN THE MORNING
BECOMING 10 TO 20 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................63-70.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................26-37 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................83-95.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................15-21 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHEAST IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHEAST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
FRIDAY
CLEAR. LOWS 64-75. HIGHS 82-95. EAST WINDS 5 TO 15 MPH.
SATURDAY
CLEAR. LOWS 64-75. HIGHS 82-95. EAST WINDS 5 TO
15 MPH.
SUNDAY
CLEAR. LOWS 64-74. HIGHS 82-95. EAST WINDS 5 TO 15 MPH.
MONDAY
CLEAR. LOWS 64-74. HIGHS 81-94.
TUESDAY
CLEAR. LOWS 64-74. HIGHS 82-95.
8 TO 10 DAY OUTLOOK
WEDNESDAY OCTOBER 7TH THROUGH FRIDAY
OCTOBER 9TH:
ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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