526
FNUS55 KPSR 022019
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
119 PM 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.
AZZ132-030830-
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-
119 PM MST FRI OCT 2 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................68-78.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................44-61 PCT.
* 24 HR TREND..................4 PCT DRIER.
* 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.................90-97.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................21-28 PCT.
* 24 HR TREND..................LITTLE RH 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.
* MIXING HEIGHT FOR PHOENIX.......6600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 14 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................70-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................44-61 PCT.
* 24 HR TREND..................LITTLE 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................91-99.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................21-27 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.
* MIXING HEIGHT FOR PHOENIX.......8800 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 18 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
MONDAY
CLEAR. LOWS 71-81. HIGHS 89-97. EAST WINDS 15 TO
25 MPH.
TUESDAY
CLEAR. LOWS 71-81. HIGHS 91-99. NORTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 71-81. HIGHS 94-102. NORTHEAST WINDS
5 TO 10 MPH.
THURSDAY
CLEAR. LOWS 72-82. HIGHS 94-103.
FRIDAY
CLEAR. LOWS 70-80. HIGHS 92-100.
AZZ131-CAZ231-030830-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
119 PM MST FRI OCT 2 2026 /119 PM PDT FRI OCT 2 2026/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................72-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................39-55 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....................19-23 PCT.
* 24 HR TREND..................LITTLE 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.
* MIXING HEIGHT FOR YUMA..........8300 FT AGL.
* TRANSPORT WIND FOR YUMA.........EAST 14 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................73-81.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................41-51 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................97-102.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................19-23 PCT.
* 24 HR TREND..................LITTLE 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.
* MIXING HEIGHT FOR YUMA..........9600 FT AGL.
* TRANSPORT WIND FOR YUMA.........EAST 10 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
EXTENDED
MONDAY
CLEAR. LOWS 74-82. HIGHS 96-101. NORTHEAST WINDS 15 TO
25 MPH.
TUESDAY
CLEAR. LOWS 74-80. HIGHS 97-102. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 74-80. HIGHS 100-105. NORTH WINDS 5 TO
10 MPH.
THURSDAY
CLEAR. LOWS 74-81. HIGHS 101-106.
FRIDAY
CLEAR. LOWS 72-81. HIGHS 98-103.
AZZ133-030830-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
119 PM MST FRI OCT 2 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................50-68.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................60-87 PCT.
* 24 HR TREND..................6 PCT WETTER.
* 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.................74-90.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................27-43 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.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................51-69.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................59-84 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH IN THE EVENING
BECOMING 30 TO 40 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................75-90.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................26-42 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 30 TO 40 MPH IN THE
MORNING BECOMING EAST 20 TO 30 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
CLEAR. LOWS 54-71. HIGHS 72-89. EAST WINDS 15 TO
25 MPH.
TUESDAY
CLEAR. LOWS 54-71. HIGHS 75-91. EAST WINDS 10 TO
20 MPH.
WEDNESDAY
CLEAR. LOWS 55-72. HIGHS 78-94. EAST WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 55-72. HIGHS 77-93.
FRIDAY
CLEAR. LOWS 54-71. HIGHS 75-91.
CAZ232-030830-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
119 PM PDT FRI OCT 2 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................73-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................40-54 PCT.
* 24 HR TREND..................6 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.................91-100.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................18-27 PCT.
* 24 HR TREND..................LITTLE 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.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................74-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................39-58 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................92-101.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................20-29 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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
MONDAY
CLEAR. LOWS 75-82. HIGHS 91-101. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 75-82. HIGHS 92-103. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY
CLEAR. LOWS 76-82. HIGHS 95-105. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY
CLEAR. LOWS 75-82. HIGHS 95-105.
FRIDAY
CLEAR. LOWS 73-81. HIGHS 93-103.
CAZ230-030830-
JOSHUA TREE NATIONAL PARK-
119 PM PDT FRI OCT 2 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................64-74.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................45-58 PCT.
* 24 HR TREND..................13 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 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.................81-93.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................23-31 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.
SATURDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................65-75.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................43-54 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................81-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................23-33 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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...............0 PERCENT.
EXTENDED
MONDAY
CLEAR. LOWS 65-75. HIGHS 80-93. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 65-76. HIGHS 82-95. NORTH WINDS 5 TO
10 MPH.
WEDNESDAY
CLEAR. LOWS 66-76. HIGHS 85-98. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 66-76. HIGHS 85-98.
FRIDAY
CLEAR. LOWS 64-76. HIGHS 83-96.
8 TO 10 DAY OUTLOOK
SATURDAY OCTOBER 10TH THROUGH MONDAY
OCTOBER 12TH: ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN
PRECIPITATION.
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