301
FNUS55 KPSR 150802
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
102 AM MST SUN MAR 15 2026
DISCUSSION
WARMER THAN NORMAL TEMPERATURES AND VERY DRY CONDITIONS WILL
PREVAIL THROUGH THE END OF THE WEEKEND AND INTO THE FIRST PART OF
NEXT WEEK. MINRHS WILL HOVER NEAR TO JUST BELOW 10% WITH
OVERNIGHT RECOVERY NOT OFFERING MUCH RELIEF AS MAXRH VALUES RANGE
NEAR 20-40%. BREEZY CONDITIONS CAN BE EXPECTED SUNDAY AFTERNOON
AND ONCE AGAIN MONDAY FOR THE HIGH TERRAIN OF THE EASTERN
DISTRICTS AND THE LOWER COLORADO RIVER VALLEY, WITH THE HIGHEST
GUSTS (25-35 MPH) FOCUSED OVER THE LATTER AREA. THE COMBINATION
OF LOW RH AND ENHANCED WINDS WILL RESULT IN PERIODS OF ELEVATED,
WITH ISOLATED CRITICAL, FIRE WEATHER CONDITIONS. HOWEVER, WITH THE
LIMITED SCOPE OF CRITICAL CONDITIONS, NO FIRE WEATHER PRODUCTS
WILL BE ISSUED AT THIS TIME.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-152015-
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-
102 AM MST SUN MAR 15 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................87-93.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING NORTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......5500 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 12 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................55-65.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................17-30 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................88-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......4300 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 3 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 58-69. HIGHS 93-98. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 61-71. HIGHS 97-102. NORTHWEST WINDS
5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 63-73. HIGHS 101-106. NORTHWEST WINDS
5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
CLEAR. LOWS 65-75. HIGHS 102-107.
SATURDAY
CLEAR. LOWS 65-75. HIGHS 102-108.
AZZ131-CAZ231-152015-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
102 AM MST SUN MAR 15 2026 /102 AM PDT SUN MAR 15 2026/
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................89-94.
* 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.
* MIXING HEIGHT FOR YUMA..........7000 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 9 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................57-64.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................17-25 PCT.
* 24 HR TREND..................23 PCT DRIER.
* 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.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................91-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTH 15 TO 25 MPH IN THE MORNING
BECOMING 25 TO 35 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........7700 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 19 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 59-68. HIGHS 96-101. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 61-68. HIGHS 100-105. NORTHWEST WINDS
5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 62-71. HIGHS 102-107. NORTHWEST WINDS
5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
CLEAR. LOWS 63-71. HIGHS 104-109.
SATURDAY
CLEAR. LOWS 64-71. HIGHS 104-109.
AZZ133-152015-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
102 AM MST SUN MAR 15 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................72-85.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................11-15 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................43-58.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................22-34 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................72-87.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................11-15 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH IN THE
MORNING BECOMING NORTH 5 TO 10 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 45-65. HIGHS 78-93. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
CLEAR. LOWS 49-68. HIGHS 85-98. NORTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 50-69. HIGHS 88-101. NORTHEAST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
FRIDAY
CLEAR. LOWS 52-70. HIGHS 89-103.
SATURDAY
CLEAR. LOWS 53-70. HIGHS 88-102.
CAZ232-152015-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
102 AM PDT SUN MAR 15 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................85-95.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-13 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* 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.................60-68.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................15-34 PCT.
* 24 HR TREND..................17 PCT DRIER.
* 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.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................87-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
TUESDAY
CLEAR. LOWS 63-74. HIGHS 93-101. NORTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 64-74. HIGHS 96-104. NORTHWEST
WINDS 5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 66-76. HIGHS 98-106. NORTHWEST WINDS 5 TO
10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
FRIDAY
CLEAR. LOWS 67-76. HIGHS 99-107.
SATURDAY
CLEAR. LOWS 66-76. HIGHS 99-108.
CAZ230-152015-
JOSHUA TREE NATIONAL PARK-
102 AM PDT SUN MAR 15 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................75-88.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 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.................54-63.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................17-22 PCT.
* 24 HR TREND..................18 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 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.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................77-90.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
TUESDAY
CLEAR. LOWS 59-70. HIGHS 83-95. NORTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 61-71. HIGHS 86-99. NORTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 63-73. HIGHS 88-101. NORTHWEST WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
FRIDAY
CLEAR. LOWS 64-73. HIGHS 89-103.
SATURDAY
CLEAR. LOWS 61-72. HIGHS 88-103.
8 TO 10 DAY OUTLOOK
SUNDAY MARCH 22ND THROUGH TUESDAY MARCH
24TH:
ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN PRECIPITATION.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page