807
FNUS55 KPSR 100752
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1252 AM MST SAT OCT 10 2026
DISCUSSION
A MUCH MORE UNSETTLED WEATHER PATTERN WILL DEVELOP OVER THE
WEEKEND AS INCREASING MOISTURE ASSOCIATED WITH THE REMNANTS OF
TROPICAL STORM RACHEL BRINGS INCREASING RAIN CHANCES. THE CHANCES
FOR SHOWERS AND STORMS INCREASE STARTING THIS AFTERNOON/EVENING
AND CONTINUE INTO SUNDAY WITH A GREATER THAN 50-70% CHANCE OF
WETTING RAINFALL AREA WIDE. WINDS WILL ALSO INCREASE
SIGNIFICANTLY, ESPECIALLY LATE TONIGHT THROUGH SUNDAY WITH
WIDESPREAD GUSTS EXCEEDING 35-55 MPH. WITH THE INCREASING MOISTURE
AND COOLER TEMPERATURES, MINRH VALUES WILL INCREASE FROM 25-40%
TONIGHT TO 45-70% ON SUNDAY ALONG WITH GOOD TO EXCELLENT
OVERNIGHT RECOVERIES.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-102000-
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-
1252 AM MST SAT OCT 10 2026
TODAY
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS .
* MAX TEMPERATURE.................86-94.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................31-39 PCT.
* 24 HR TREND..................17 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH IN THE MORNING
BECOMING 25 TO 35 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................40 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............23 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......4000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 7 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS . SHOWERS LIKELY
AFTER MIDNIGHT.
* MIN TEMPERATURE.................66-76.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................76-97 PCT.
* 24 HR TREND..................35 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTH 35 TO 45 MPH IN THE EVENING
BECOMING 50 TO 60 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................70 PERCENT.
* CWR (>= 0.10 IN)................50 PERCENT WEST PORTION...60
PERCENT EAST PORTION.
* CHANCE OF THUNDER...............24 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY CLOUDY. PATCHY BLOWING
DUST. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.................76-85.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................46-64 PCT.
* 24 HR TREND..................19 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..BREEZY. SOUTH 20 TO 30 MPH.
* WINDS...10000 FT MSL............SOUTH 55 TO 65 MPH IN THE MORNING
BECOMING SOUTHWEST AND BECOMING 35 TO 45 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................50 PERCENT.
* CWR (>= 0.10 IN)................50 PERCENT.
* CHANCE OF THUNDER...............20 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......8800 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 29 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
MONDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 54-68. HIGHS 72-81. SOUTH WINDS 10 TO
20 MPH.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 51-64. HIGHS 68-76. WEST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 51-61. HIGHS 72-79. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 52-63. HIGHS 77-84.
FRIDAY
CLEAR. LOWS 57-67. HIGHS 81-89.
AZZ131-CAZ231-102000-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1252 AM MST SAT OCT 10 2026 /1252 AM PDT SAT OCT 10 2026/
TODAY
* SKY/WEATHER.....................MOSTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS . CHANCE
OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................91-96.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................30-37 PCT.
* 24 HR TREND..................17 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH.
* CHANCE OF PRECIP................40 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............20 PERCENT.
* MIXING HEIGHT FOR YUMA..........5100 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 19 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
* MIN TEMPERATURE.................67-76.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................74-97 PCT.
* 24 HR TREND..................34 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH IN THE
EVENING BECOMING 15 TO 25 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 35 TO 45 MPH IN THE EVENING
BECOMING 55 TO 65 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................70 PERCENT.
* CWR (>= 0.10 IN)................60 PERCENT.
* CHANCE OF THUNDER...............20 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY. CHANCE OF SHOWERS
IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS . SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON. PATCHY BLOWING DUST IN THE AFTERNOON.
* MAX TEMPERATURE.................80-87.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................41-56 PCT.
* 24 HR TREND..................15 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..BREEZY. SOUTH 20 TO 30 MPH.
* WINDS...10000 FT MSL............SOUTH 55 TO 65 MPH IN THE MORNING
BECOMING SOUTHWEST AND BECOMING 30 TO 40 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................40 PERCENT.
* CWR (>= 0.10 IN)................50 PERCENT.
* CHANCE OF THUNDER...............11 PERCENT.
* MIXING HEIGHT FOR YUMA..........7400 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 18 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
MONDAY
NOT AS WARM. PARTLY CLOUDY. LOWS 54-68. HIGHS 76-82.
SOUTHWEST WINDS 10 TO 20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 51-62. HIGHS 73-78. NORTHWEST WINDS
10 TO 20 MPH.
WEDNESDAY
CLEAR. LOWS 51-62. HIGHS 77-83. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 54-67. HIGHS 82-88.
FRIDAY
CLEAR. PATCHY BLOWING DUST. LOWS 57-71. HIGHS 87-92.
AZZ133-102000-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1252 AM MST SAT OCT 10 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
* MAX TEMPERATURE.................76-90.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................30-41 PCT.
* 24 HR TREND..................10 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH IN THE
MORNING BECOMING SOUTH 5 TO 10 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................50 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............27 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING BECOMING
SHOWERS AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
* MIN TEMPERATURE.................56-69.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................75-97 PCT.
* 24 HR TREND..................29 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH IN THE EVENING
BECOMING 35 TO 45 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................70 PERCENT.
* CWR (>= 0.10 IN)................60 PERCENT.
* CHANCE OF THUNDER...............27 PERCENT.
SUNDAY
* SKY/WEATHER.....................CLOUDY. SHOWERS LIKELY IN THE
MORNING. CHANCE OF THUNDERSTORMS . SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................68-81.
* 24 HR TREND..................9 DEGREES COOLER.
* MIN HUMIDITY....................50-75 PCT.
* 24 HR TREND..................27 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 15 TO 25 MPH.
* WINDS...10000 FT MSL............SOUTH 40 TO 50 MPH.
* CHANCE OF PRECIP................90 PERCENT.
* CWR (>= 0.10 IN)................90 PERCENT.
* CHANCE OF THUNDER...............34 PERCENT.
EXTENDED
MONDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 50-66. HIGHS 64-77. SOUTH WINDS 10 TO
20 MPH.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 43-62. HIGHS 60-73. SOUTHWEST WINDS 10 TO
20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 42-56. HIGHS 63-75. NORTHWEST
WINDS 5 TO 15 MPH.
THURSDAY
CLEAR. LOWS 42-61. HIGHS 68-80.
FRIDAY
MOSTLY CLEAR. LOWS 47-63. HIGHS 69-82.
CAZ232-102000-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1252 AM PDT SAT OCT 10 2026
TODAY
* SKY/WEATHER.....................MOSTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................86-96.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................24-34 PCT.
* 24 HR TREND..................12 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 IN THE MORNING BECOMING
30 PERCENT IN THE AFTERNOON.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............16 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS . SHOWERS LIKELY
AFTER MIDNIGHT.
* MIN TEMPERATURE.................65-72.
* 24 HR TREND..................8 DEGREES COOLER.
* MAX HUMIDITY....................82-100 PCT.
* 24 HR TREND..................49 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
EVENING BECOMING 15 TO 25 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 30 TO 40 MPH IN THE EVENING
BECOMING 50 TO 60 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................80 PERCENT.
* CWR (>= 0.10 IN)................80 PERCENT.
* CHANCE OF THUNDER...............18 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY. PATCHY BLOWING DUST
. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................71-83.
* 24 HR TREND..................13 DEGREES COOLER.
* MIN HUMIDITY....................44-70 PCT.
* 24 HR TREND..................27 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..BREEZY. SOUTHWEST 20 TO 30 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 45 TO 55 MPH IN THE
MORNING BECOMING 35 TO 45 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................50 PERCENT.
* CWR (>= 0.10 IN)................70 PERCENT.
* CHANCE OF THUNDER...............8 PERCENT.
EXTENDED
MONDAY
NOT AS WARM. MOSTLY CLEAR. LOWS 52-64. HIGHS 68-79.
SOUTHWEST WINDS 15 TO 25 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 52-59. HIGHS 67-78. NORTHWEST WINDS
10 TO 20 MPH.
WEDNESDAY
CLEAR. LOWS 53-63. HIGHS 72-83. NORTHWEST WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 56-67. HIGHS 77-89.
FRIDAY
CLEAR. LOWS 60-69. HIGHS 81-92.
CAZ230-102000-
JOSHUA TREE NATIONAL PARK-
1252 AM PDT SAT OCT 10 2026
TODAY
* SKY/WEATHER.....................MOSTLY CLOUDY.
* MAX TEMPERATURE.................76-90.
* 24 HR TREND..................10 DEGREES COOLER.
* MIN HUMIDITY....................25-31 PCT.
* 24 HR TREND..................10 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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...............9 PERCENT.
TONIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS . SHOWERS AFTER
MIDNIGHT.
* MIN TEMPERATURE.................53-66.
* 24 HR TREND..................9 DEGREES COOLER.
* MAX HUMIDITY....................93-100 PCT.
* 24 HR TREND..................58 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE EVENING
BECOMING SOUTHEAST 10 TO 20 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH IN THE EVENING
BECOMING 45 TO 55 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................90 PERCENT.
* CWR (>= 0.10 IN)................90 PERCENT.
* CHANCE OF THUNDER...............22 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY CLOUDY. SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING BECOMING CHANCE OF SHOWERS
IN THE AFTERNOON.
* MAX TEMPERATURE.................60-74.
* 24 HR TREND..................16 DEGREES COOLER.
* MIN HUMIDITY....................59-87 PCT.
* 24 HR TREND..................46 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 15 TO 25 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................80 PERCENT.
* CWR (>= 0.10 IN)................90 PERCENT.
* CHANCE OF THUNDER...............12 PERCENT.
EXTENDED
MONDAY
COOLER. PARTLY CLOUDY. LOWS 40-57. HIGHS 55-71.
SOUTHWEST WINDS 10 TO 20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 40-53. HIGHS 57-70. NORTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
CLEAR. LOWS 43-56. HIGHS 62-74. NORTHWEST WINDS
10 TO 20 MPH.
THURSDAY
CLEAR. LOWS 47-59. HIGHS 66-79.
FRIDAY
CLEAR. LOWS 50-61. HIGHS 69-82.
8 TO 10 DAY OUTLOOK
SATURDAY OCTOBER 17TH THROUGH MONDAY
OCTOBER 19TH: NEAR TO ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN
PRECIPITATION.
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