997
FNUS55 KPSR 281012
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
312 AM MST MON APR 28 2025
DISCUSSION
COOLER TEMPERATURES TODAY WILL WARM BACK INTO A SEASONAL NORMAL
RANGE TOMORROW, RESULTING IN MINIMUM AFTERNOON HUMIDITY VALUES IN
A 15-25% RANGE TO FALL SOLIDLY INTO THE TEENS. THIS WILL FOLLOW
GENERALLY FAIR TO GOOD OVERNIGHT RECOVERY OF 30-60%. WINDS WILL BE
MUCH WEAKER THAN THE PAST SEVERAL DAYS, HOWEVER THE TYPICAL
UPSLOPE GUSTS 20-25 MPH WILL BE COMMON, ESPECIALLY NEAR TERRAIN
FEATURES THROUGH THIS WEEK.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-282215-
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-
312 AM MST MON APR 28 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................75-81.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................16-20 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING WEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......8300 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 7 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................53-63.
* 24 HR TREND..................5 DEGREES WARMER.
* MAX HUMIDITY....................33-47 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-89.
* 24 HR TREND..................7 DEGREES WARMER.
* MIN HUMIDITY....................12-16 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......11300 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 11 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 56-66. HIGHS 86-91. SOUTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 58-68. HIGHS 86-92. SOUTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
MOSTLY CLEAR. LOWS 58-68. HIGHS 86-92. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 51-63. HIGHS 84-91.
SUNDAY
NOT AS WARM. MOSTLY CLEAR. LOWS 49-59. HIGHS 69-77.
AZZ131-CAZ231-282215-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
312 AM MST MON APR 28 2025 /312 AM PDT MON APR 28 2025/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................78-83.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................16-21 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.
* MIXING HEIGHT FOR YUMA..........8200 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHWEST 6 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................54-59.
* 24 HR TREND..................6 DEGREES WARMER.
* MAX HUMIDITY....................40-65 PCT.
* 24 HR TREND..................16 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................86-91.
* 24 HR TREND..................8 DEGREES WARMER.
* MIN HUMIDITY....................11-16 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR YUMA..........11800 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 8 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 57-63. HIGHS 89-94. SOUTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 58-63. HIGHS 88-93. SOUTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
CLEAR. LOWS 58-63. HIGHS 88-93. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 52-62. HIGHS 85-90.
SUNDAY
NOT AS WARM. MOSTLY CLEAR. LOWS 50-56. HIGHS 73-78.
AZZ133-282215-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
312 AM MST MON APR 28 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................65-78.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................12-19 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................40-54.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................34-46 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING NORTH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............WEST 5 TO 15 MPH IN THE EVENING
BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................68-81.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................12-19 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE MORNING
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING WEST 10 TO 20 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 43-60. HIGHS 71-86. WEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 46-60. HIGHS 74-88. SOUTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
MOSTLY CLEAR. LOWS 47-60. HIGHS 75-88. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SATURDAY
CLEAR. LOWS 46-60. HIGHS 74-87.
SUNDAY
COOLER. MOSTLY CLEAR. LOWS 37-56. HIGHS 61-74.
CAZ232-282215-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
312 AM PDT MON APR 28 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................74-83.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................16-25 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................55-63.
* 24 HR TREND..................7 DEGREES WARMER.
* MAX HUMIDITY....................34-65 PCT.
* 24 HR TREND..................14 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-91.
* 24 HR TREND..................9 DEGREES WARMER.
* MIN HUMIDITY....................11-17 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 59-65. HIGHS 84-94. SOUTHWEST
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 59-65. HIGHS 82-92. SOUTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
CLEAR. LOWS 58-65. HIGHS 83-93. SOUTHWEST WINDS 5 TO
15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 50-65. HIGHS 80-89.
SUNDAY
NOT AS WARM. MOSTLY CLEAR. LOWS 50-57. HIGHS 68-77.
CAZ230-282215-
JOSHUA TREE NATIONAL PARK-
312 AM PDT MON APR 28 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................65-78.
* 24 HR TREND..................9 DEGREES WARMER.
* MIN HUMIDITY....................17-25 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................49-59.
* 24 HR TREND..................10 DEGREES WARMER.
* MAX HUMIDITY....................36-47 PCT.
* 24 HR TREND..................22 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................73-85.
* 24 HR TREND..................7 DEGREES WARMER.
* MIN HUMIDITY....................12-19 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
WEDNESDAY
MOSTLY CLEAR. LOWS 51-61. HIGHS 73-87. SOUTHWEST
WINDS 10 TO 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 51-63. HIGHS 72-86. SOUTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
MOSTLY CLEAR. LOWS 50-63. HIGHS 74-88. WEST WINDS 10 TO
20 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 39-61. HIGHS 67-84.
SUNDAY
COOLER. MOSTLY CLEAR. LOWS 39-52. HIGHS 56-71.
8 TO 10 DAY OUTLOOK
MONDAY MAY 5TH THROUGH WEDNESDAY MAY 7TH:
BELOW NORMAL TEMPERATURES AND ABOVE MEDIAN PRECIPITATION.
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