307
FNUS55 KPSR 091030
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
330 AM MST THU APR 9 2026
DISCUSSION
DRY CONDITIONS AND ABOVE AVERAGE TEMPERATURES WILL PREVAIL THROUGH
THE END OF THIS WEEK. RELATIVE HUMIDITY WILL BOTTOM OUT IN A
10-15% RANGE TODAY BEFORE INCREASING TO AROUND 15% OR HIGHER ON
FRIDAY. OVERNIGHT RECOVERY WILL REMAIN POOR TO FAIR UP TO 30-50%.
WINDS WILL FOLLOW DIURNAL PATTERNS WITH INCREASED UPSLOPE GUSTINESS
EXPECTED IN THE AFTERNOON. THE STRONGEST GUSTS UP TO 20-30 MPH WILL
RESIDE ACROSS THE WESTERN DISTRICTS TODAY AND FRIDAY.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-092230-
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-
330 AM MST THU APR 9 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................89-95.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......11900 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 13 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................60-70.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................32-47 PCT.
* 24 HR TREND..................8 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* 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
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................86-93.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................13-17 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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.......10900 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 13 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 52-64. HIGHS 80-87. SOUTHWEST
WINDS 10 TO 20 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 48-59. HIGHS 75-83. SOUTHWEST WINDS
15 TO 25 MPH.
MONDAY
MOSTLY CLEAR. LOWS 46-58. HIGHS 70-78. WEST WINDS 10 TO
20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 46-57. HIGHS 75-82.
WEDNESDAY
MOSTLY CLEAR. LOWS 49-62. HIGHS 82-88.
AZZ131-CAZ231-092230-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
330 AM MST THU APR 9 2026 /330 AM PDT THU APR 9 2026/
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................91-96.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................12-16 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.
* MIXING HEIGHT FOR YUMA..........9900 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 11 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................61-67.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................42-58 PCT.
* 24 HR TREND..................8 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 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.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................88-93.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................16-20 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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...............2 PERCENT.
* MIXING HEIGHT FOR YUMA..........11300 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 13 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
SATURDAY
CLEAR. LOWS 53-63. HIGHS 82-87. SOUTHWEST WINDS 15 TO
25 MPH.
SUNDAY
BREEZY. MOSTLY CLEAR. PATCHY BLOWING DUST. LOWS 49-59.
HIGHS 77-82. SOUTHWEST WINDS 20 TO 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS 47-55. HIGHS 74-79. WEST WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 47-56. HIGHS 79-84.
WEDNESDAY
MOSTLY CLEAR. LOWS 49-61. HIGHS 85-90.
AZZ133-092230-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
330 AM MST THU APR 9 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-91.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................10-15 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................50-63.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................29-41 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING SOUTHEAST AFTER MIDNIGHT.
* 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.....................PARTLY SUNNY.
* MAX TEMPERATURE.................75-89.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................12-19 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHWEST 5 TO 15 MPH 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.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 43-62. HIGHS 69-83. SOUTH WINDS
15 TO 25 MPH.
SUNDAY
BREEZY. MOSTLY CLEAR. LOWS 42-57. HIGHS 66-79.
SOUTHWEST WINDS 20 TO 30 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 35-55. HIGHS 58-72. SOUTHWEST WINDS 15 TO
25 MPH.
TUESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF LIGHT FREEZING
RAIN. LOWS 35-52. HIGHS 60-75.
WEDNESDAY
MOSTLY CLEAR. LOWS 36-57. HIGHS 68-83.
CAZ232-092230-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
330 AM PDT THU APR 9 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................85-95.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................11-18 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................62-68.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................37-54 PCT.
* 24 HR TREND..................8 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 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.................82-91.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................15-23 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH IN THE
MORNING BECOMING 25 TO 35 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 53-63. HIGHS 75-85. WEST WINDS
15 TO 25 MPH.
SUNDAY
BREEZY. MOSTLY CLEAR. PATCHY BLOWING DUST. LOWS 49-61.
HIGHS 69-79. SOUTHWEST WINDS 20 TO 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS 49-57. HIGHS 68-78. WEST WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 49-60. HIGHS 75-83.
WEDNESDAY
MOSTLY CLEAR. LOWS 52-64. HIGHS 80-89.
CAZ230-092230-
JOSHUA TREE NATIONAL PARK-
330 AM PDT THU APR 9 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................73-88.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................13-23 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................50-61.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................41-61 PCT.
* 24 HR TREND..................10 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* 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.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................70-85.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................18-29 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............3 PERCENT.
EXTENDED
SATURDAY
MOSTLY CLEAR. LOWS 41-56. HIGHS 63-78. SOUTHWEST
WINDS 15 TO 25 MPH.
SUNDAY
BREEZY. MOSTLY CLEAR. LOWS 35-52. HIGHS 55-71.
SOUTHWEST WINDS 20 TO 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS 35-50. HIGHS 57-72. WEST WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 38-54. HIGHS 65-78.
WEDNESDAY
MOSTLY CLEAR. LOWS 44-59. HIGHS 69-83.
8 TO 10 DAY OUTLOOK
THURSDAY APRIL 16TH THROUGH SATURDAY APRIL 18TH:
ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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