261
FNUS55 KPSR 211009
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
309 AM MST SAT FEB 21 2026
DISCUSSION
DRY CONDITIONS WILL PERSIST THROUGH THE WEEKEND, WITH
TEMPERATURES WARMING RAPIDLY. MINRH VALUES WILL BE AROUND 10-15%
BOTH TODAY AND TOMORROW AND OVERNIGHT RECOVERIES WILL BE AROUND
35-45%. AFTERNOON HIGH TEMPERATURES WILL GO FROM AROUND 70 DEGREES
ACROSS THE LOWER DESERTS TODAY TO THE LOW TO MID 80S TOMORROW.
WINDS WILL BE LIGHT TODAY WITH AN OCCASIONAL BREEZE UP TO 15-20
MPH AND A WEAK NORTHERLY TO EASTERLY DIRECTIONAL COMPONENT. THERE
WILL BE AN UPTICK IN EASTERLY WINDS TOMORROW MORNING ACROSS
SOUTH-CENTRAL AZ, WITH GENERAL WINDS UP TO 10-15 MPH AND GUSTS UP
TO 20-25 MPH ACROSS LOWER ELEVATIONS (BELOW 3000') AND A BIT
HIGHER OVER HIGHER ELEVATIONS, UP TO 15-25 MPH SUSTAINED WITH
GUSTS UP TO 30-35 MPH. THERE IS NO PRECIPITATION IN THE FORECAST
FOR THIS WEEKEND. SKIES WILL BE MOSTLY CLEAR THROUGH TODAY,
FOLLOWED BY AN INCREASE IN HIGH CLOUDS THIS EVENING/TONIGHT.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-212215-
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-
309 AM MST SAT FEB 21 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................65-72.
* 24 HR TREND..................8 DEGREES WARMER.
* MIN HUMIDITY....................13-17 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......4000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTHEAST 5 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................43-53.
* 24 HR TREND..................8 DEGREES WARMER.
* MAX HUMIDITY....................29-48 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTHWEST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................75-82.
* 24 HR TREND..................10 DEGREES WARMER.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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.
* MIXING HEIGHT FOR PHOENIX.......4800 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTHEAST 8 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 47-57. HIGHS 78-84. NORTHEAST WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
PARTLY CLOUDY. LOWS 49-61. HIGHS 81-86. NORTHWEST
WINDS 5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 54-64. HIGHS 83-91. WEST WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 56-66. HIGHS 85-90.
FRIDAY
MOSTLY CLEAR. LOWS 56-66. HIGHS 86-92.
AZZ131-CAZ231-212215-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
309 AM MST SAT FEB 21 2026 /209 AM PST SAT FEB 21 2026/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................67-72.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................14-18 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........4900 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 6 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................40-50.
* 24 HR TREND..................7 DEGREES WARMER.
* MAX HUMIDITY....................32-55 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................76-81.
* 24 HR TREND..................9 DEGREES WARMER.
* MIN HUMIDITY....................12-16 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
* MIXING HEIGHT FOR YUMA..........4700 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 12 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
EXTENDED
MONDAY
PARTLY CLOUDY. LOWS 44-55. HIGHS 79-84. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
PARTLY CLOUDY. LOWS 47-60. HIGHS 83-88. NORTHWEST
WINDS 5 TO 10 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
WEDNESDAY
MOSTLY CLEAR. LOWS 54-62. HIGHS 87-92. WEST WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 56-63. HIGHS 87-92.
FRIDAY
MOSTLY CLEAR. LOWS 56-63. HIGHS 88-93.
AZZ133-212215-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
309 AM MST SAT FEB 21 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................54-67.
* 24 HR TREND..................11 DEGREES WARMER.
* MIN HUMIDITY....................17-24 PCT.
* 24 HR TREND..................17 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 10 TO 20 MPH IN THE
MORNING BECOMING LIGHT AND VARIABLE IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................34-50.
* 24 HR TREND..................10 DEGREES WARMER.
* MAX HUMIDITY....................34-54 PCT.
* 24 HR TREND..................25 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTH 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................61-75.
* 24 HR TREND..................7 DEGREES WARMER.
* MIN HUMIDITY....................16-22 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 36-53. HIGHS 65-79. EAST WINDS 10 TO
20 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 39-56. HIGHS 68-81. SOUTHEAST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 43-58. HIGHS 69-82. WEST WINDS
10 TO 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 43-59. HIGHS 71-85.
FRIDAY
MOSTLY CLEAR. LOWS 44-60. HIGHS 73-87.
CAZ232-212215-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
209 AM PST SAT FEB 21 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................62-70.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................14-20 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE MORNING
BECOMING NORTHEAST IN THE AFTERNOON.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................44-52.
* 24 HR TREND..................6 DEGREES WARMER.
* MAX HUMIDITY....................27-49 PCT.
* 24 HR TREND..................11 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................71-79.
* 24 HR TREND..................9 DEGREES WARMER.
* MIN HUMIDITY....................12-16 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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
MONDAY
PARTLY CLOUDY. LOWS 48-60. HIGHS 75-83. NORTH WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
PARTLY CLOUDY. LOWS 51-64. HIGHS 79-88. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 57-65. HIGHS 83-92. WEST WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 59-67. HIGHS 82-91.
FRIDAY
MOSTLY CLEAR. LOWS 59-68. HIGHS 84-93.
CAZ230-212215-
JOSHUA TREE NATIONAL PARK-
209 AM PST SAT FEB 21 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................51-64.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................15-25 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHEAST IN THE AFTERNOON.
* WINDS...10000 FT MSL............WEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................37-45.
* 24 HR TREND..................6 DEGREES WARMER.
* MAX HUMIDITY....................30-40 PCT.
* 24 HR TREND..................12 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
EVENING BECOMING NORTH AFTER MIDNIGHT.
* 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.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................60-73.
* 24 HR TREND..................9 DEGREES WARMER.
* MIN HUMIDITY....................12-19 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 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.
EXTENDED
MONDAY
PARTLY CLOUDY. LOWS 42-56. HIGHS 65-78. NORTH WINDS
5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 48-61. HIGHS 71-83. WEST WINDS
5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 51-61. HIGHS 72-85. WEST WINDS
10 TO 20 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 51-61. HIGHS 71-84.
FRIDAY
MOSTLY CLEAR. LOWS 53-62. HIGHS 73-86.
8 TO 10 DAY OUTLOOK
SATURDAY FEBRUARY 28TH THROUGH MONDAY
MARCH 2ND: ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN
PRECIPITATION.
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