737
FNUS55 KPSR 130706
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1206 AM MST WED MAY 13 2026
..ELEVATED FIRE DANGER THIS AFTERNOON
DISCUSSION
WARM TEMPERATURES, VERY LOW HUMIDITY LEVELS, GUSTY WINDS, AND DRY
FUELS WILL RESULT IN AN ELEVATED FIRE DANGER THIS AFTERNOON. WITH
TEMPERATURES AROUND 8 DEGREES ABOVE NORMAL, AFTERNOON HUMIDITY
LEVELS WILL FALL IN A 5-10% RANGE WHILE WINDS LOCALLY GUST AROUND
25 MPH. THIS WILL FOLLOW MOSTLY POOR OVERNIGHT RECOVERY NEAR 20%.
ON THURSDAY, TEMPERATURES WILL ONLY BE SLIGHTLY COOLER WITH MORE
LIMITED WIND GUSTS.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-131915-
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-
1206 AM MST WED MAY 13 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................93-100.
* 24 HR TREND..................6 DEGREES COOLER.
* MIN HUMIDITY....................6-10 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH IN THE MORNING
BECOMING SOUTHWEST 15 TO 25 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......11700 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 14 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................63-73.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................21-33 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................93-99.
* 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 IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......11600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 9 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
EXTENDED
FRIDAY
CLEAR. LOWS 63-73. HIGHS 94-100. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
CLEAR. LOWS 62-72. HIGHS 94-101. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 60-70. HIGHS 89-96. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 59-69. HIGHS 88-94.
TUESDAY
MOSTLY CLEAR. LOWS 59-69. HIGHS 92-98.
AZZ131-CAZ231-131915-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1206 AM MST WED MAY 13 2026 /1206 AM PDT WED MAY 13 2026/
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................96-101.
* 24 HR TREND..................5 DEGREES COOLER.
* 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............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..........11400 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 10 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................62-68.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................31-44 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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.....................SUNNY.
* MAX TEMPERATURE.................95-100.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........12100 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 9 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
FRIDAY
CLEAR. LOWS 63-69. HIGHS 97-102. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
CLEAR. LOWS 62-69. HIGHS 97-102. SOUTH WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 61-66. HIGHS 91-96. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 59-65. HIGHS 90-95.
TUESDAY
MOSTLY CLEAR. LOWS 59-67. HIGHS 95-100.
AZZ133-131915-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1206 AM MST WED MAY 13 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................84-99.
* 24 HR TREND..................5 DEGREES COOLER.
* MIN HUMIDITY....................6-12 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................51-65.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................21-32 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH IN THE
EVENING BECOMING 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................80-95.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
FRIDAY
CLEAR. LOWS 49-65. HIGHS 81-96. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
CLEAR. LOWS 49-65. HIGHS 81-96. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
BREEZY, CLEAR. LOWS 47-64. HIGHS 78-93. SOUTHWEST WINDS
20 TO 30 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
CLEAR. LOWS 47-63. HIGHS 76-90.
TUESDAY
MOSTLY CLEAR. LOWS 47-65. HIGHS 80-94.
CAZ232-131915-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1206 AM PDT WED MAY 13 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................90-100.
* 24 HR TREND..................5 DEGREES COOLER.
* MIN HUMIDITY....................8-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................64-71.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................28-47 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................90-100.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-15 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* 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.
EXTENDED
FRIDAY
CLEAR. LOWS 65-72. HIGHS 92-101. SOUTHWEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
CLEAR. LOWS 62-72. HIGHS 93-102. SOUTHWEST WINDS
15 TO 25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
CLEAR. LOWS 62-69. HIGHS 86-95. WEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 62-69. HIGHS 87-95.
TUESDAY
MOSTLY CLEAR. LOWS 63-71. HIGHS 91-99.
CAZ230-131915-
JOSHUA TREE NATIONAL PARK-
1206 AM PDT WED MAY 13 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................79-95.
* 24 HR TREND..................6 DEGREES COOLER.
* MIN HUMIDITY....................10-18 PCT.
* 24 HR TREND..................4 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.....................CLEAR.
* MIN TEMPERATURE.................53-66.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................33-44 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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.
THURSDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................80-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................11-19 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
FRIDAY
CLEAR. LOWS 55-68. HIGHS 83-97. WEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SATURDAY
CLEAR. LOWS 51-68. HIGHS 83-97. WEST WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 51-65. HIGHS 78-90. WEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 53-65. HIGHS 77-88.
TUESDAY
CLEAR. LOWS 54-67. HIGHS 81-93.
8 TO 10 DAY OUTLOOK
WEDNESDAY MAY 20TH THROUGH FRIDAY MAY
22ND: ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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