459
FNUS55 KPSR 020821
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
121 AM MST FRI OCT 2 2026
DISCUSSION
DRY CONDITIONS WITH NEAR NORMAL TEMPERATURES ARE ANTICIPATED
THROUGH THIS WEEKEND. MINRHS WILL MOSTLY RANGE FROM 15-25% OVER
THE WESTERN DISTRICTS TO 25-35% FOR THE EASTERN DISTRICTS WITH
GOOD TO EXCELLENT OVERNIGHT RECOVERIES. A PERSISTENT BREEZY
EASTERLY GRADIENT WIND WILL DEVELOP ACROSS THE REGION TODAY AND
PERSIST FOR THE NEXT SEVERAL DAYS. MORNING TO EARLY AFTERNOON WIND
GUSTS OF 20-30 MPH WILL BECOME COMMON.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-022030-
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-
121 AM MST FRI OCT 2 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................88-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................22-31 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......8200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 13 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................70-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................44-61 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................89-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................24-31 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............EAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......6500 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 16 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
SUNDAY
CLEAR. LOWS 70-80. HIGHS 89-98. EAST WINDS 15 TO
25 MPH.
MONDAY
CLEAR. LOWS 71-81. HIGHS 88-97. EAST WINDS 15 TO
25 MPH.
TUESDAY
CLEAR. LOWS 71-81. HIGHS 90-98. NORTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 71-81. HIGHS 94-101.
THURSDAY
CLEAR. LOWS 72-82. HIGHS 94-103.
AZZ131-CAZ231-022030-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
121 AM MST FRI OCT 2 2026 /121 AM PDT FRI OCT 2 2026/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................96-101.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................19-24 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........9400 FT AGL.
* TRANSPORT WIND FOR YUMA.........EAST 16 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................74-81.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................40-53 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................95-100.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................21-25 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH.
* 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.........EAST 18 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
SUNDAY
CLEAR. LOWS 73-80. HIGHS 96-101. NORTHEAST WINDS 10 TO
20 MPH.
MONDAY
CLEAR. LOWS 74-80. HIGHS 95-100. NORTHEAST WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 73-80. HIGHS 97-102. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 73-79. HIGHS 99-104.
THURSDAY
CLEAR. LOWS 73-81. HIGHS 100-105.
AZZ133-022030-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
121 AM MST FRI OCT 2 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................75-89.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................28-43 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................54-71.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................56-80 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................76-90.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................28-43 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SUNDAY
CLEAR. LOWS 53-72. HIGHS 75-89. EAST WINDS 15 TO
25 MPH.
MONDAY
CLEAR. LOWS 56-72. HIGHS 74-88. EAST WINDS 15 TO
25 MPH.
TUESDAY
CLEAR. LOWS 55-71. HIGHS 76-90. EAST WINDS 10 TO
20 MPH.
WEDNESDAY
CLEAR. LOWS 55-72. HIGHS 79-93.
THURSDAY
CLEAR. LOWS 55-72. HIGHS 78-93.
CAZ232-022030-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
121 AM PDT FRI OCT 2 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................91-101.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................19-28 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................75-81.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................40-55 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................91-101.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................20-30 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SUNDAY
CLEAR. LOWS 74-81. HIGHS 92-101. NORTHEAST WINDS 5 TO
15 MPH.
MONDAY
CLEAR. LOWS 75-81. HIGHS 91-100. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 75-82. HIGHS 92-102. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY
CLEAR. LOWS 75-82. HIGHS 95-104.
THURSDAY
CLEAR. LOWS 75-81. HIGHS 95-105.
CAZ230-022030-
JOSHUA TREE NATIONAL PARK-
121 AM PDT FRI OCT 2 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................24-30 PCT.
* 24 HR TREND..................10 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................64-75.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................45-58 PCT.
* 24 HR TREND..................13 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH.
* WINDS...10000 FT MSL............EAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................24-32 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
SUNDAY
CLEAR. LOWS 64-74. HIGHS 81-95. EAST WINDS 10 TO
20 MPH.
MONDAY
CLEAR. LOWS 64-75. HIGHS 81-94. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 64-75. HIGHS 83-95. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY
CLEAR. LOWS 65-75. HIGHS 85-98.
THURSDAY
CLEAR. LOWS 66-75. HIGHS 85-98.
8 TO 10 DAY OUTLOOK
FRIDAY OCTOBER 9TH THROUGH SUNDAY OCTOBER
11TH: ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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