931
FNUS55 KPSR 130732
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1232 AM MST FRI MAR 13 2026
DISCUSSION
HIGH PRESSURE WILL DOMINATE ACROSS THE REGION THROUGH NEXT WEEK
WITH TEMPERATURES AROUND 15 DEGREES ABOVE NORMAL THROUGH THE
WEEKEND BEFORE HEATING UP EVEN FURTHER (20-30 ABOVE NORMAL) LATER
NEXT WEEK. DRY CONDITIONS WILL ALSO PREVAIL WITH MINRHS AT OR
JUST BELOW 10% AND PERSISTING THROUGH NEXT WEEK. OVERNIGHT
RECOVERIES WILL BE POOR TO FAIR, MOSTLY BETWEEN 25-40% EACH NIGHT.
WINDS WILL REMAIN LIGHT TODAY BEFORE BECOMING INCREASINGLY BREEZY
THIS WEEKEND.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-131945-
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-
1232 AM MST FRI MAR 13 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................89-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING NORTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......6200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 4 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................56-66.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................19-34 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING SOUTH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING WEST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................87-93.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 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............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......8700 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 15 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS 54-64. HIGHS 87-93. NORTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 56-66. HIGHS 88-94. NORTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 58-69. HIGHS 93-99. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 62-72. HIGHS 98-103.
THURSDAY
CLEAR. LOWS 63-73. HIGHS 101-106.
AZZ131-CAZ231-131945-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1232 AM MST FRI MAR 13 2026 /1232 AM PDT FRI MAR 13 2026/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................91-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........6600 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHWEST 6 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................56-64.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................23-36 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING SOUTH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING WEST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................90-95.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
* MIXING HEIGHT FOR YUMA..........4100 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 10 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS 54-65. HIGHS 90-95. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 58-67. HIGHS 91-96. NORTH WINDS
15 TO 25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 61-68. HIGHS 96-101. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 61-69. HIGHS 100-105.
THURSDAY
CLEAR. LOWS 63-71. HIGHS 102-107.
AZZ133-131945-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1232 AM MST FRI MAR 13 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................74-88.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* 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.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................47-60.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................25-41 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* 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 WEST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................71-86.
* 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............WEST 10 TO 20 MPH IN THE MORNING
BECOMING 20 TO 30 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SUNDAY
MOSTLY CLEAR. LOWS 42-57. HIGHS 71-86. NORTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
PARTLY CLOUDY. LOWS 42-61. HIGHS 71-87. NORTHEAST WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 45-65. HIGHS 79-93. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 48-67. HIGHS 85-98.
THURSDAY
CLEAR. LOWS 50-69. HIGHS 88-101.
CAZ232-131945-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1232 AM PDT FRI MAR 13 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................87-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................60-67.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................20-37 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING WEST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................86-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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
SUNDAY
MOSTLY CLEAR. LOWS 58-68. HIGHS 85-95. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 61-72. HIGHS 88-96. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 64-74. HIGHS 93-101. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 65-74. HIGHS 96-104.
THURSDAY
CLEAR. LOWS 65-76. HIGHS 98-106.
CAZ230-131945-
JOSHUA TREE NATIONAL PARK-
1232 AM PDT FRI MAR 13 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................78-90.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................56-64.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................20-26 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................76-91.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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
SUNDAY
MOSTLY CLEAR. LOWS 54-63. HIGHS 75-88. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 55-68. HIGHS 78-90. NORTH WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
CLEAR. LOWS 59-70. HIGHS 83-96. NORTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 62-72. HIGHS 87-100.
THURSDAY
CLEAR. LOWS 64-73. HIGHS 89-102.
8 TO 10 DAY OUTLOOK
FRIDAY MARCH 20TH THROUGH SUNDAY MARCH
22ND: ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN PRECIPITATION.
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