421
FNUS55 KPSR 141953
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1253 PM MST TUE APR 14 2026
DISCUSSION
RATHER BENIGN CONDITIONS WILL EXIST OVER THE NEXT COUPLE OF DAYS
WITH TEMPERATURE WARMING UP THROUGH THE MIDDLE PORTION OF THE
WEEK. WINDS WILL BE GENERALLY LIGHT, WITH SOME OCCASIONAL
AFTERNOON UPSLOPE BREEZINESS, AND FOLLOW DIURNAL TRENDS. RH VALUES
WILL BE ON THE DOWNTREND OVER THE NEXT FEW DAYS AS MIN VALUES FALL
FROM 15-20% TODAY TOWARD 5-10% BY THURSDAY. MODEST TO DECENT
OVERNIGHT RECOVERY WILL BE BECOME POOR BY WEDNESDAY NIGHT INTO
THURSDAY MORNING. THE QUIET CONDITIONS DO NOT LAST LONG AS BREEZY
TO LOCALLY WINDY CONDITIONS RETURN THURSDAY AND FRIDAY, BUMPING
FIRE WEATHER CONDITIONS TOWARD ELEVATED AND EVEN NEAR CRITICAL
LEVELS FOR PORTIONS OF THE REGION.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-150800-
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-
1253 PM MST TUE APR 14 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................50-60.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................33-48 PCT.
* 24 HR TREND..................21 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................81-86.
* 24 HR TREND..................7 DEGREES WARMER.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE MORNING
BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
* 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.
* MIXING HEIGHT FOR PHOENIX.......8600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 3 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
WEDNESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................53-63.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................24-36 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING SOUTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 MPH IN THE
EVENING BECOMING 15 TO 25 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
THURSDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................82-89.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-13 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 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......12800 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 18 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
FRIDAY
CLEAR. LOWS 47-57. HIGHS 77-85. NORTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 47-62. HIGHS 82-89. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
PARTLY CLOUDY. LOWS 54-64. HIGHS 88-94. SOUTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 54-64. HIGHS 87-94.
TUESDAY
CLEAR. LOWS 52-62. HIGHS 82-89.
AZZ131-CAZ231-150800-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1253 PM MST TUE APR 14 2026 /1253 PM PDT TUE APR 14 2026/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................50-57.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................43-63 PCT.
* 24 HR TREND..................18 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 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.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................84-89.
* 24 HR TREND..................7 DEGREES WARMER.
* MIN HUMIDITY....................11-15 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH IN THE AFTERNOON.
* 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.
* MIXING HEIGHT FOR YUMA..........8000 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 7 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
WEDNESDAY NIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................54-61.
* 24 HR TREND..................5 DEGREES WARMER.
* MAX HUMIDITY....................33-50 PCT.
* 24 HR TREND..................12 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
THURSDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................84-89.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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..........10800 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 12 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
FRIDAY
BREEZY, CLEAR. PATCHY BLOWING DUST. LOWS 47-57. HIGHS
77-82. NORTH WINDS 20 TO 30 MPH. MINIMUM RELATIVE HUMIDITY MAY BE
LOWER THAN 15 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 47-59. HIGHS 83-88. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
MOSTLY CLEAR. LOWS 51-60. HIGHS 90-95. WEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 55-60. HIGHS 88-93.
TUESDAY
CLEAR. LOWS 53-59. HIGHS 83-88.
AZZ133-150800-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1253 PM MST TUE APR 14 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................37-52.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................39-62 PCT.
* 24 HR TREND..................23 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING NORTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............NORTHWEST 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...............1 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................67-81.
* 24 HR TREND..................7 DEGREES WARMER.
* MIN HUMIDITY....................10-16 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* 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.
WEDNESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................41-56.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................25-41 PCT.
* 24 HR TREND..................17 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING NORTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTHWEST 10 TO 20 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
THURSDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................70-85.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................3 PCT DRIER.
* 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 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
FRIDAY
CLEAR. LOWS 36-54. HIGHS 66-80. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 36-60. HIGHS 70-85. NORTHEAST
WINDS 10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
PARTLY CLOUDY. LOWS 44-61. HIGHS 73-90. SOUTHEAST WINDS
15 TO 25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 45-61. HIGHS 74-90.
TUESDAY
CLEAR. LOWS 42-59. HIGHS 72-86.
CAZ232-150800-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1253 PM PDT TUE APR 14 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................53-60.
* 24 HR TREND..................5 DEGREES WARMER.
* MAX HUMIDITY....................37-64 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 20 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.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................79-89.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................10-16 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................57-62.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................28-47 PCT.
* 24 HR TREND..................13 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 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.
THURSDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................79-89.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................7-14 PCT.
* 24 HR TREND..................3 PCT DRIER.
* 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.
EXTENDED
FRIDAY
BREEZY, CLEAR. PATCHY BLOWING DUST. LOWS 52-60. HIGHS
72-81. NORTH WINDS 20 TO 30 MPH. MINIMUM RELATIVE HUMIDITY MAY BE
LOWER THAN 15 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 52-63. HIGHS 78-87. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
MOSTLY CLEAR. LOWS 55-63. HIGHS 84-93. WEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 55-62. HIGHS 82-91.
TUESDAY
CLEAR. LOWS 54-61. HIGHS 77-87.
CAZ230-150800-
JOSHUA TREE NATIONAL PARK-
1253 PM PDT TUE APR 14 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................45-54.
* 24 HR TREND..................7 DEGREES WARMER.
* MAX HUMIDITY....................41-54 PCT.
* 24 HR TREND..................16 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 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.
WEDNESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................68-82.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................12-21 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................46-57.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-43 PCT.
* 24 HR TREND..................11 PCT DRIER.
* 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.
THURSDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................67-83.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-18 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
FRIDAY
BREEZY, CLEAR. LOWS 42-54. HIGHS 61-74. NORTH WINDS
20 TO 30 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 43-57. HIGHS 68-81. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
MOSTLY CLEAR. LOWS 47-57. HIGHS 74-87. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 44-57. HIGHS 70-85.
TUESDAY
MOSTLY CLEAR. LOWS 43-55. HIGHS 65-80.
8 TO 10 DAY OUTLOOK
WEDNESDAY APRIL 22ND THROUGH FRIDAY APRIL
24TH:
NEAR TO ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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