147
FNUS55 KPSR 160746
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1246 AM MST THU OCT 16 2025
DISCUSSION
DRY, TRANQUIL WEATHER WITH BELOW NORMAL TEMPERATURES WILL PREVAIL
THROUGH THE END OF THE WEEK. MINIMUM AFTERNOON HUMIDITY LEVELS
WILL GENERALLY FALL INTO A 15-25% RANGE ACROSS THE LOWER DESERTS
TO UPWARDS OF 30-35% OVER THE EASTERN ARIZONA HIGH TERRAIN.
OVERNIGHT RECOVERY WILL BE GOOD TO EXCELLENT. LIGHT DIURNAL WINDS
ARE EXPECTED ACROSS THE EASTERN DISTRICTS, WHILE SOME OCCASIONAL
BREEZY NORTHERLY WINDS WILL BE SEEN ACROSS THE WESTERN DISTRICTS.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-162000-
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-
1246 AM MST THU OCT 16 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................75-82.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................15-28 PCT.
* 24 HR TREND..................14 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 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...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......5600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 4 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................52-62.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................40-62 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-82.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-26 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING NORTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......7200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 2 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 54-64. HIGHS 80-86. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 57-67. HIGHS 83-88. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY
CLEAR. LOWS 57-67. HIGHS 82-88. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 57-67. HIGHS 80-86.
WEDNESDAY
MOSTLY CLEAR. LOWS 57-67. HIGHS 81-87.
AZZ131-CAZ231-162000-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1246 AM MST THU OCT 16 2025 /1246 AM PDT THU OCT 16 2025/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................78-83.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................15-19 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 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...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........5800 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 12 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................52-58.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................47-64 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................80-85.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................17-21 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........6800 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 6 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 53-61. HIGHS 82-87. NORTH WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 55-62. HIGHS 84-89. NORTHWEST WINDS
5 TO 10 MPH.
MONDAY
CLEAR. LOWS 55-62. HIGHS 83-88. SOUTHWEST WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 55-62. HIGHS 81-86.
WEDNESDAY
MOSTLY CLEAR. LOWS 55-62. HIGHS 82-87.
AZZ133-162000-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1246 AM MST THU OCT 16 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................65-77.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................26-36 PCT.
* 24 HR TREND..................14 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING WEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............WEST 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...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................41-55.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................50-68 PCT.
* 24 HR TREND..................18 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING NORTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTHWEST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................65-78.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................25-34 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............SOUTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 41-58. HIGHS 69-81. NORTHEAST
WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 43-60. HIGHS 71-84. EAST WINDS 5 TO
15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 43-60. HIGHS 70-83. SOUTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 43-61. HIGHS 68-81.
WEDNESDAY
MOSTLY CLEAR. LOWS 45-61. HIGHS 69-82.
CAZ232-162000-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1246 AM PDT THU OCT 16 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................74-83.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................15-22 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................56-63.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................36-55 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-86.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................15-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 79-87. NORTH WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 58-65. HIGHS 80-89. WEST WINDS 5 TO
10 MPH.
MONDAY
CLEAR. LOWS 58-65. HIGHS 79-88. WEST WINDS 5 TO 15 MPH.
TUESDAY
CLEAR. LOWS 58-65. HIGHS 77-86.
WEDNESDAY
MOSTLY CLEAR. LOWS 57-64. HIGHS 78-87.
CAZ230-162000-
JOSHUA TREE NATIONAL PARK-
1246 AM PDT THU OCT 16 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................64-75.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................21-27 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................47-57.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................40-51 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH IN THE EVENING
BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................66-78.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................18-22 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 48-59. HIGHS 70-81. NORTH WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 50-59. HIGHS 71-83. SOUTHWEST WINDS
5 TO 10 MPH.
MONDAY
CLEAR. LOWS 49-58. HIGHS 70-81. WEST WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 49-58. HIGHS 67-79.
WEDNESDAY
MOSTLY CLEAR. LOWS 49-59. HIGHS 68-79.
8 TO 10 DAY OUTLOOK
THURSDAY OCTOBER 23RD THROUGH SATURDAY
OCTOBER 25TH: BELOW NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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