904
FNUS55 KPSR 010949
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
249 AM MST TUE APR 1 2025
DISCUSSION
STRONG GUSTY WINDS WILL BE COMMON ACROSS THE REGION TODAY AS A
WEATHER SYSTEM DROPS INTO THE REGION. THE STRONGEST WINDS WILL BE
FOCUSED ACROSS PORTIONS OF SOUTHEAST CA, MAINLY ACROSS IMPERIAL
COUNTY, AND THE HIGHER TERRAIN AREAS OF MARICOPA AND GILA COUNTY
AS WIND GUSTS UP TO 35-45 MPH ARE ANTICIPATED. THESE STRONG WINDS
IN COMBINATION WITH MINRHS BETWEEN 15-25% WILL LEAD TO ELEVATED
FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING. ELSEWHERE
WINDS WILL RANGE BETWEEN 20-35 MPH. WEAKER WINDS ARE EXPECTED ON
WEDNESDAY BUT WILL LIKELY GUST BETWEEN 15-30 MPH, WITH THE
STRONGEST WINDS EXPECTED ACROSS THE HIGHER TERRAIN AREAS OF
SOUTH-CENTRAL AZ AND ACROSS IMPERIAL COUNTY. THERE WILL BE SOME
MODEST RAIN CHANCES (20-50%) ACROSS THE FOOTHILLS AND HIGHER
TERRAIN AREAS TO THE NORTH AND EAST OF PHOENIX WEDNESDAY
AFTERNOON, HOWEVER, THE CWR WILL REMAIN FAIRLY LOW AT 10-30%.
WELL-BELOW NORMAL TEMPERATURES ARE ANTICIPATED THROUGH THE END OF
THE WEEK.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE
FOUND IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-012200-
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-
249 AM MST TUE APR 1 2025
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. PATCHY BLOWING DUST
IN THE AFTERNOON.
* MAX TEMPERATURE.................67-74.
* 24 HR TREND..................9 DEGREES COOLER.
* MIN HUMIDITY....................14-19 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 35 TO 45 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......6400 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 20 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................45-55.
* 24 HR TREND..................7 DEGREES COOLER.
* MAX HUMIDITY....................49-62 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS IN THE MORNING. CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................60-68.
* 24 HR TREND..................7 DEGREES COOLER.
* MIN HUMIDITY....................19-29 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................20 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......9600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 22 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
THURSDAY
PARTLY CLOUDY. LOWS 42-52. HIGHS 63-70. SOUTHWEST
WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 47-57. HIGHS 66-73. WEST WINDS 5 TO
15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 47-57. HIGHS 73-80. NORTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
MOSTLY CLEAR. LOWS 49-59. HIGHS 76-82.
MONDAY
MOSTLY CLEAR. LOWS 52-62. HIGHS 79-86.
AZZ131-CAZ231-012200-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
249 AM MST TUE APR 1 2025 /249 AM PDT TUE APR 1 2025/
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. PATCHY BLOWING
DUST.
* MAX TEMPERATURE.................70-75.
* 24 HR TREND..................9 DEGREES COOLER.
* MIN HUMIDITY....................13-21 PCT.
* 24 HR TREND..................13 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH.
* WINDS...10000 FT MSL............WEST 40 TO 50 MPH IN THE MORNING
BECOMING 30 TO 40 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR YUMA..........6400 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 30 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR. PATCHY BLOWING DUST
IN THE EVENING.
* MIN TEMPERATURE.................47-52.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................55-66 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................MOSTLY SUNNY. SLIGHT CHANCE OF
SHOWERS.
* MAX TEMPERATURE.................66-71.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................18-23 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR YUMA..........10400 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 19 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS 45-51. HIGHS 66-71. SOUTHWEST
WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 47-53. HIGHS 72-77. NORTHWEST WINDS
5 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 49-55. HIGHS 78-83. NORTHWEST
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
MOSTLY CLEAR. LOWS 51-57. HIGHS 81-86.
MONDAY
MOSTLY CLEAR. LOWS 53-59. HIGHS 83-88.
AZZ133-012200-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
249 AM MST TUE APR 1 2025
TODAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................56-69.
* 24 HR TREND..................8 DEGREES COOLER.
* MIN HUMIDITY....................15-27 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 15 TO 25 MPH.
* WINDS...10000 FT MSL............WEST 40 TO 50 MPH IN THE MORNING
BECOMING SOUTHWEST 30 TO 40 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................34-45.
* 24 HR TREND..................9 DEGREES COOLER.
* MAX HUMIDITY....................48-62 PCT.
* 24 HR TREND..................15 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH IN THE EVENING
BECOMING SOUTHWEST 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............WEST 25 TO 35 MPH IN THE EVENING
BECOMING 15 TO 25 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND SNOW SHOWERS IN THE MORNING BECOMING CHANCE OF
SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................48-61.
* 24 HR TREND..................8 DEGREES COOLER.
* MIN HUMIDITY....................26-39 PCT.
* 24 HR TREND..................10 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
THURSDAY
PARTLY CLOUDY. LOWS 31-48. HIGHS 51-65. SOUTH WINDS
5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
34-48. HIGHS 52-66. NORTHWEST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
34-50. HIGHS 56-71. NORTH WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 36-52. HIGHS 58-74.
MONDAY
MOSTLY CLEAR. LOWS 37-55. HIGHS 64-78.
CAZ232-012200-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
249 AM PDT TUE APR 1 2025
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. PATCHY BLOWING
DUST.
* MAX TEMPERATURE.................65-74.
* 24 HR TREND..................9 DEGREES COOLER.
* MIN HUMIDITY....................13-27 PCT.
* 24 HR TREND..................12 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH.
* WINDS...10000 FT MSL............WEST 50 TO 60 MPH IN THE MORNING
BECOMING NORTHWEST AND BECOMING 30 TO 40 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR. PATCHY BLOWING DUST
IN THE EVENING.
* MIN TEMPERATURE.................45-54.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................49-65 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH.
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................MOSTLY SUNNY. SLIGHT CHANCE OF
SHOWERS.
* MAX TEMPERATURE.................61-71.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................17-29 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............WEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS 44-52. HIGHS 62-71. SOUTHWEST
WINDS 10 TO 20 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 46-57. HIGHS 69-78. NORTHWEST WINDS
5 TO 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 51-59. HIGHS 73-83. NORTHWEST
WINDS 15 TO 25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
MOSTLY CLEAR. LOWS 53-61. HIGHS 76-86.
MONDAY
MOSTLY CLEAR. LOWS 54-62. HIGHS 79-88.
CAZ230-012200-
JOSHUA TREE NATIONAL PARK-
249 AM PDT TUE APR 1 2025
TODAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................53-68.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................14-32 PCT.
* 24 HR TREND..................10 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH.
* WINDS...10000 FT MSL............WEST 35 TO 45 MPH IN THE MORNING
BECOMING NORTHWEST 20 TO 30 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................32-45.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................55-77 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 15 TO 25 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................51-65.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................16-31 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS 33-47. HIGHS 51-65. SOUTHWEST
WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 37-52. HIGHS 58-71. NORTHWEST WINDS
10 TO 20 MPH.
SATURDAY
CLEAR. LOWS 42-53. HIGHS 62-75. NORTHWEST WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
MOSTLY CLEAR. LOWS 44-55. HIGHS 66-79.
MONDAY
MOSTLY CLEAR. LOWS 47-57. HIGHS 69-82.
8 TO 10 DAY OUTLOOK
TUESDAY APRIL 8TH THROUGH THURSDAY APRIL
10TH: ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
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