317
FNUS55 KPSR 141025
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
325 AM MST THU MAY 14 2026
DISCUSSION
WARMER THAN NORMAL CONDITIONS AND DRY WEATHER WILL PERSIST THROUGH
FRIDAY, THOUGH WINDS WILL BE SOMEWHAT WEAKER THAN THE PAST COUPLE
DAYS LIMITING A GREATER FIRE DANGER. CONFIDENCE IS VERY GOOD THAT
AFTERNOON HUMIDITY LEVELS WILL FALL NEAR 10% FOLLOWING POOR TO
FAIR OVERNIGHT RECOVERY OF 25-45%. WINDS WILL FOLLOW A NOCTURNAL
DRAINAGE/DIURNAL UPSLOPE PATTERN WITH AFTERNOON GUSTS GENERALLY
LIMITED TO 20-25 MPH.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-142230-
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-
325 AM MST THU MAY 14 2026
TODAY
* 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..SOUTH 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.......11700 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 8 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................63-73.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................23-38 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING SOUTH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTHEAST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................93-99.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......11000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 4 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
EXTENDED
SATURDAY
CLEAR. LOWS 61-71. HIGHS 93-100. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 59-69. HIGHS 87-94. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 57-67. HIGHS 86-93. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 57-67. HIGHS 90-96.
WEDNESDAY
MOSTLY CLEAR. LOWS 60-70. HIGHS 94-100.
AZZ131-CAZ231-142230-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
325 AM MST THU MAY 14 2026 /325 AM PDT THU MAY 14 2026/
TODAY
* 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............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........11700 FT AGL.
* TRANSPORT WIND FOR YUMA.........WEST 9 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................63-68.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................33-48 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................97-102.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........10400 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 7 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
SATURDAY
CLEAR. LOWS 61-69. HIGHS 95-100. SOUTH WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 61-66. HIGHS 90-95. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
MONDAY
CLEAR. LOWS 57-65. HIGHS 89-94. SOUTH WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 57-65. HIGHS 92-97.
WEDNESDAY
MOSTLY CLEAR. LOWS 59-67. HIGHS 96-101.
AZZ133-142230-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
325 AM MST THU MAY 14 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................81-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-13 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 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.................50-65.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................24-36 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................80-95.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SATURDAY
CLEAR. LOWS 49-65. HIGHS 80-95. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
BREEZY, CLEAR. LOWS 47-64. HIGHS 76-91. SOUTHWEST WINDS
20 TO 30 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
MONDAY
CLEAR. LOWS 46-63. HIGHS 75-89. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 46-64. HIGHS 78-92.
WEDNESDAY
MOSTLY CLEAR. LOWS 48-65. HIGHS 81-96.
CAZ232-142230-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
325 AM PDT THU MAY 14 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................90-99.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-15 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 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.....................CLEAR.
* MIN TEMPERATURE.................64-72.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-50 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* 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.
* CHANCE OF THUNDER...............0 PERCENT.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................92-101.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-16 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SATURDAY
CLEAR. LOWS 61-72. HIGHS 90-100. SOUTHWEST WINDS
15 TO 25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
SUNDAY
CLEAR. LOWS 61-68. HIGHS 85-94. SOUTHWEST WINDS 10 TO
20 MPH.
MONDAY
BREEZY, CLEAR. LOWS 61-68. HIGHS 84-93. WEST WINDS
20 TO 30 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
MOSTLY CLEAR. LOWS 61-70. HIGHS 88-96.
WEDNESDAY
MOSTLY CLEAR. LOWS 63-71. HIGHS 91-100.
CAZ230-142230-
JOSHUA TREE NATIONAL PARK-
325 AM PDT THU MAY 14 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................80-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................10-19 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............NORTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................55-68.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................32-43 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.
FRIDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................12-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SATURDAY
CLEAR. LOWS 49-68. HIGHS 80-94. WEST WINDS 15 TO
25 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
SUNDAY
CLEAR. LOWS 49-64. HIGHS 75-90. WEST WINDS 10 TO
20 MPH.
MONDAY
BREEZY, CLEAR. LOWS 50-64. HIGHS 74-86. NORTHWEST WINDS
20 TO 30 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
CLEAR. LOWS 51-65. HIGHS 78-91.
WEDNESDAY
MOSTLY CLEAR. LOWS 54-67. HIGHS 81-95.
8 TO 10 DAY OUTLOOK
THURSDAY MAY 21ST THROUGH SATURDAY MAY
23RD: ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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