799
FNUS55 KPSR 132022
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
122 PM MST SAT SEP 13 2025
DISCUSSION
NEAR TO SLIGHTLY BELOW AVERAGE TEMPERATURES AND DRY CONDITIONS,
WITH NO SHOWERS OR STORMS, ARE EXPECTED THIS WEEKEND. DRY
CONDITIONS WILL CONTINUE INTO THE BEGINNING OF NEXT WEEK, WITH
TEMPERATURES WARMING TO NEAR TO SLIGHTLY ABOVE NORMAL ON MONDAY. SOME
AFTERNOON BREEZINESS IS ANTICIPATED TODAY IN EASTERN DISTRICTS,
WITH PEAK GUSTS UP TO 20-25 MPH. OTHERWISE, WINDS WILL BE LIGHT
AND FOLLOW TYPICAL DIURNAL TENDENCIES. MINIMUM RH VALUES THIS
WEEKEND AND INTO NEXT WEEK WILL BE AROUND 15-20%, WITH FAIR
OVERNIGHT RECOVERIES AROUND 30-50%.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-140830-
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-
122 PM MST SAT SEP 13 2025
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................66-76.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-55 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING SOUTHEAST 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.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................93-99.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................11-16 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......9100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 5 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
SUNDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................69-79.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................26-43 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING EAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 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.....................SUNNY.
* MAX TEMPERATURE.................96-102.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................16-20 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......8600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 5 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 72-82. HIGHS 98-104. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 74-84. HIGHS 98-103. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 74-84. HIGHS 96-102. SOUTHWEST WINDS 5 TO
10 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 74-84. HIGHS 91-98.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 72-82. HIGHS 90-98.
AZZ131-CAZ231-140830-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
122 PM MST SAT SEP 13 2025 /122 PM PDT SAT SEP 13 2025/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................66-73.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................39-67 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING SOUTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................95-100.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-19 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* 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 YUMA..........7200 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHEAST 5 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................67-73.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................39-58 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................97-102.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................15-19 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........6500 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 6 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 69-79. HIGHS 99-104. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 71-81. HIGHS 100-105. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 73-82. HIGHS 97-102. SOUTH WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 74-82. HIGHS 93-98.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 73-80. HIGHS 93-98.
AZZ133-140830-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
122 PM MST SAT SEP 13 2025
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................53-69.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-50 PCT.
* 24 HR TREND..................23 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING EAST 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.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................80-95.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-20 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 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.
SUNDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................55-71.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................29-47 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING NORTHEAST 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.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................83-98.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................15-23 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST 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.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 58-75. HIGHS 85-101. EAST WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 59-76. HIGHS 85-100. SOUTHEAST
WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 59-76. HIGHS 84-100. SOUTHEAST WINDS 5 TO
15 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 59-76. HIGHS 80-95.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 58-74. HIGHS 80-94.
CAZ232-140830-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
122 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................69-76.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................31-61 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH IN THE EVENING
BECOMING EAST AFTER MIDNIGHT.
* 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....................13-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................70-76.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-60 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................92-101.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-19 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 72-80. HIGHS 95-103. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 74-82. HIGHS 95-104. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 74-82. HIGHS 92-101. SOUTHWEST WINDS 5 TO
15 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 74-80. HIGHS 88-96.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 72-79. HIGHS 88-96.
CAZ230-140830-
JOSHUA TREE NATIONAL PARK-
122 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................62-71.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................35-42 PCT.
* 24 HR TREND..................9 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING NORTHWEST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING EAST 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.....................SUNNY.
* MAX TEMPERATURE.................81-94.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................62-72.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................31-38 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-95.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................14-20 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHEAST IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
TUESDAY
CLEAR. LOWS 64-74. HIGHS 85-97. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 66-76. HIGHS 86-98. WEST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 64-76. HIGHS 82-95. SOUTHWEST WINDS 5 TO
15 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 63-75. HIGHS 78-91.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 62-74. HIGHS 78-90.
8 TO 10 DAY OUTLOOK
SUNDAY SEPTEMBER 21ST THROUGH TUESDAY
SEPTEMBER 23RD: NEAR TO ABOVE NORMAL TEMPERATURES AND ABOVE
MEDIAN PRECIPITATION.
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