128
FNUS55 KPSR 080753
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1253 AM MST WED OCT 8 2025
DISCUSSION
TODAY WILL AGAIN BRING OVERALL DRY CONDITIONS FOR MUCH OF THE
AREA, BUT MOISTURE WILL BE INCREASING ACROSS ARIZONA ALLOWING FOR
SOME ISOLATED SHOWERS AND THUNDERSTORMS OVER THE EASTERN ARIZONA
HIGH TERRAIN BY THIS AFTERNOON. STARTING THURSDAY, ABUNDANT
MOISTURE OVER THE ENTIRE AREA WILL LEAD TO INCREASED RAIN CHANCES.
WINDS TODAY WILL REMAIN LIGHT FOLLOWING DIURNAL TRENDS BEFORE
EASTERLY WINDS TAKE OVER FOR THE WHOLE DAY ON THURSDAY. MINRHS
TODAY ACROSS THE LOWER DESERTS WILL BOTTOM OUT AROUND 15% WITH
VALUES CLOSER TO 30% IN GILA COUNTY. MUCH HIGHER HUMIDITIES WILL
BE SEEN STARTING THURSDAY WITH MINRHS ABOVE 30% AREAWIDE.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-082000-
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-
1253 AM MST WED OCT 8 2025
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................93-100.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................12-17 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH 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...............4 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......7000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHEAST 5 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY CLOUDY AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS .
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
* MIN TEMPERATURE.................72-82.
* 24 HR TREND..................9 DEGREES WARMER.
* MAX HUMIDITY....................43-58 PCT.
* 24 HR TREND..................20 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE EVENING
BECOMING EAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................20 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............9 PERCENT.
THURSDAY
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.................88-96.
* 24 HR TREND..................5 DEGREES COOLER.
* MIN HUMIDITY....................28-38 PCT.
* 24 HR TREND..................19 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................20 PERCENT WEST PORTION...0
PERCENT EAST PORTION.
* CHANCE OF THUNDER...............22 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......1800 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTHEAST 16 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
EXTENDED
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 68-79. HIGHS 83-95. NORTHEAST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 64-74. HIGHS 80-89. SOUTHEAST WINDS
5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 62-72. HIGHS 80-88. SOUTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 59-69. HIGHS 79-87.
TUESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS
58-68. HIGHS 77-85.
AZZ131-CAZ231-082000-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1253 AM MST WED OCT 8 2025 /1253 AM PDT WED OCT 8 2025/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................93-98.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-19 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
* MIXING HEIGHT FOR YUMA..........4300 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 8 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.................70-77.
* 24 HR TREND..................10 DEGREES WARMER.
* MAX HUMIDITY....................48-59 PCT.
* 24 HR TREND..................14 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE EVENING
BECOMING SOUTHEAST AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................10 PERCENT IN THE EVENING
BECOMING 20 PERCENT AFTER MIDNIGHT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............6 PERCENT.
THURSDAY
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.................90-95.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................34-41 PCT.
* 24 HR TREND..................22 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................40 PERCENT.
* CWR (>= 0.10 IN)................30 PERCENT.
* CHANCE OF THUNDER...............19 PERCENT.
* MIXING HEIGHT FOR YUMA..........1400 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHWEST 9 KNOTS.
* DISPERSION FOR YUMA.............MARGINAL.
EXTENDED
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 68-78. HIGHS 82-88. NORTH WINDS 5 TO
15 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 63-74. HIGHS 85-90. SOUTH WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 60-70. HIGHS 83-88. NORTHWEST WINDS
5 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 57-66. HIGHS 83-88.
TUESDAY
MOSTLY CLEAR. LOWS 56-62. HIGHS 79-84.
AZZ133-082000-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1253 AM MST WED OCT 8 2025
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................81-97.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................18-33 PCT.
* 24 HR TREND..................13 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT IN THE MORNING BECOMING
20 PERCENT IN THE AFTERNOON.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............19 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY IN THE EVENING
BECOMING MOSTLY CLOUDY AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS .
* MIN TEMPERATURE.................60-75.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................56-77 PCT.
* 24 HR TREND..................16 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................20 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............20 PERCENT.
THURSDAY
* SKY/WEATHER.....................MOSTLY CLOUDY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS . CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................76-91.
* 24 HR TREND..................6 DEGREES COOLER.
* MIN HUMIDITY....................33-48 PCT.
* 24 HR TREND..................15 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............26 PERCENT.
EXTENDED
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 59-76. HIGHS 78-93. EAST WINDS 10 TO 20 MPH.
SATURDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS
55-71. HIGHS 70-82. SOUTHEAST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 54-68. HIGHS 66-81. SOUTH WINDS 5 TO
15 MPH.
MONDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 53-66. HIGHS 65-78.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 51-65. HIGHS 67-80.
CAZ232-082000-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1253 AM PDT WED OCT 8 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................88-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-19 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................70-75.
* 24 HR TREND..................6 DEGREES WARMER.
* MAX HUMIDITY....................40-62 PCT.
* 24 HR TREND..................17 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............6 PERCENT.
THURSDAY
* SKY/WEATHER.....................PARTLY SUNNY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.................84-91.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................29-41 PCT.
* 24 HR TREND..................19 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................50 PERCENT.
* CWR (>= 0.10 IN)................40 PERCENT.
* CHANCE OF THUNDER...............19 PERCENT.
EXTENDED
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 67-77. HIGHS 80-88. NORTH WINDS 5 TO
15 MPH.
SATURDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS
61-72. HIGHS 81-90. SOUTHWEST WINDS 5 TO 15 MPH.
SUNDAY
CLEAR. LOWS 58-66. HIGHS 78-87. NORTHWEST WINDS 5 TO
15 MPH.
MONDAY
CLEAR. LOWS 55-63. HIGHS 77-87.
TUESDAY
MOSTLY CLEAR. LOWS 55-61. HIGHS 73-82.
CAZ230-082000-
JOSHUA TREE NATIONAL PARK-
1253 AM PDT WED OCT 8 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................77-90.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-19 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 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.................59-70.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................43-53 PCT.
* 24 HR TREND..................20 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............4 PERCENT.
THURSDAY
* SKY/WEATHER.....................PARTLY SUNNY. CHANCE OF SHOWERS
IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS . SHOWERS LIKELY
IN THE AFTERNOON.
* MAX TEMPERATURE.................73-86.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................33-40 PCT.
* 24 HR TREND..................20 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................50 PERCENT.
* CWR (>= 0.10 IN)................50 PERCENT.
* CHANCE OF THUNDER...............17 PERCENT.
EXTENDED
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 55-71. HIGHS 72-82. SOUTH WINDS 5 TO
15 MPH.
SATURDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 50-66. HIGHS 71-83. SOUTHWEST WINDS 5 TO
15 MPH.
SUNDAY
CLEAR. LOWS 48-61. HIGHS 68-79. NORTHWEST WINDS 5 TO
15 MPH.
MONDAY
CLEAR. LOWS 44-58. HIGHS 67-79.
TUESDAY
MOSTLY CLEAR. LOWS 44-55. HIGHS 62-75.
8 TO 10 DAY OUTLOOK
WEDNESDAY OCTOBER 14TH THROUGH FRIDAY OCTOBER
16TH: NEAR NORMAL TEMPERATURES AND ABOVE MEDIAN PRECIPITATION.
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