365
FNUS55 KPSR 172101
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
201 PM MST SAT OCT 17 2026
DISCUSSION
A FEW LIGHT SHOWERS WILL CONTINUE ACROSS ARIZONA DISTRICTS SUNDAY
WITH ACTIVITY BECOMING FOCUSED OVER EASTERN DISTRICT TERRAIN
FEATURES SUNDAY EVENING THROUGH MONDAY. THE CHANCE FOR WETTING
RAINFALL IS QUITE LOW AT ONLY A 10% CHANCE. MINIMUM HUMIDITY
LEVELS WILL ONLY FALL INTO A 30-50% RANGE FOLLOWING GOOD TO
EXCELLENT OVERNIGHT RECOVERY. WINDS WILL GENERALLY MAINTAIN AN
EASTERLY TO NORTHERLY DIRECTION, HOWEVER SPEEDS WILL BE FAR
WEAKER THAN THE PAST FEW DAYS WITH VERY LIMITED GUSTINESS.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-180915-
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-
201 PM MST SAT OCT 17 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
IN THE EVENING. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.................61-71.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................50-65 PCT.
* 24 HR TREND..................26 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT WEST PORTION...10
PERCENT EAST PORTION.
* CHANCE OF THUNDER...............4 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS IN THE MORNING.
* MAX TEMPERATURE.................77-83.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................33-43 PCT.
* 24 HR TREND..................18 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 15 MPH.
* CHANCE OF PRECIP................20 PERCENT IN THE MORNING
BECOMING 0 PERCENT IN THE AFTERNOON.
* CWR (>= 0.10 IN)................5 PERCENT.
* CHANCE OF THUNDER...............4 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......2600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTH 5 KNOTS.
* DISPERSION FOR PHOENIX..........POOR.
SUNDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................62-72.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................61-84 PCT.
* 24 HR TREND..................15 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................79-86.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................36-45 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............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......6400 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTH 4 KNOTS.
* DISPERSION FOR PHOENIX..........FAIR.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 64-74. HIGHS 80-86. SOUTHEAST WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 63-73. HIGHS 79-85. SOUTHEAST WINDS 10 TO
20 MPH.
THURSDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 57-68. HIGHS 73-80. SOUTH WINDS
5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS 54-64.
HIGHS 69-76.
SATURDAY
MOSTLY CLEAR. LOWS 54-64. HIGHS 70-77.
AZZ131-CAZ231-180915-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
201 PM MST SAT OCT 17 2026 /201 PM PDT SAT OCT 17 2026/
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................61-66.
* 24 HR TREND..................7 DEGREES COOLER.
* MAX HUMIDITY....................49-63 PCT.
* 24 HR TREND..................20 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................80-85.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................30-34 PCT.
* 24 HR TREND..................13 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* 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.
* MIXING HEIGHT FOR YUMA..........5300 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTHEAST 5 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
SUNDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................62-67.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................57-75 PCT.
* 24 HR TREND..................9 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE EVENING
BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................82-87.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................32-37 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........5500 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 4 KNOTS.
* DISPERSION FOR YUMA.............MARGINAL.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 64-69. HIGHS 83-88. SOUTHEAST WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 63-69. HIGHS 81-86. SOUTHEAST
WINDS 10 TO 20 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
57-68. HIGHS 76-81. SOUTHWEST WINDS 10 TO 20 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 56-63. HIGHS 73-78.
SATURDAY
CLEAR. LOWS 56-63. HIGHS 74-79.
AZZ133-180915-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
201 PM MST SAT OCT 17 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY IN THE EVENING
BECOMING PARTLY CLOUDY AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS
IN THE EVENING BECOMING CHANCE OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.................49-62.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................51-72 PCT.
* 24 HR TREND..................24 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................40 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............6 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY. CHANCE OF SHOWERS
IN THE MORNING BECOMING SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................65-78.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................37-53 PCT.
* 24 HR TREND..................23 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................40 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............10 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER.....................PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS.
* MIN TEMPERATURE.................51-63.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................72-93 PCT.
* 24 HR TREND..................22 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................20 PERCENT.
* CWR (>= 0.10 IN)................5 PERCENT.
* CHANCE OF THUNDER...............8 PERCENT.
MONDAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS . SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................68-81.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................39-56 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 10 TO 20 MPH.
* CHANCE OF PRECIP................20 PERCENT.
* CWR (>= 0.10 IN)................5 PERCENT.
* CHANCE OF THUNDER...............9 PERCENT.
EXTENDED
TUESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 53-68. HIGHS 68-82. SOUTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 55-68. HIGHS 67-80. EAST WINDS 5 TO 15 MPH.
THURSDAY
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS
50-66. HIGHS 62-75. SOUTH WINDS 5 TO 15 MPH.
FRIDAY
SHOWERS LIKELY. LOWS 44-60. HIGHS 58-71.
SATURDAY
MOSTLY CLEAR. LOWS 44-58. HIGHS 60-72.
CAZ232-180915-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
201 PM PDT SAT OCT 17 2026
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................61-67.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................39-56 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* 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.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................76-85.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................24-35 PCT.
* 24 HR TREND..................9 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................63-70.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................49-65 PCT.
* 24 HR TREND..................10 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 10 MPH IN THE
EVENING BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............WEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................79-88.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................26-38 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHEAST 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 63-70. HIGHS 78-87. SOUTH WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 60-69. HIGHS 76-85. SOUTH WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS
55-67. HIGHS 71-80. WEST WINDS 10 TO 20 MPH.
FRIDAY
CLEAR. LOWS 55-63. HIGHS 69-78.
SATURDAY
MOSTLY CLEAR. LOWS 56-64. HIGHS 70-79.
CAZ230-180915-
JOSHUA TREE NATIONAL PARK-
201 PM PDT SAT OCT 17 2026
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................52-62.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................42-52 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
EVENING BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHEAST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................67-79.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................31-38 PCT.
* 24 HR TREND..................9 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................54-63.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................54-66 PCT.
* 24 HR TREND..................13 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............NORTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
MONDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................69-81.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................31-41 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING WEST 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 53-65. HIGHS 67-81. SOUTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS
50-63. HIGHS 64-78. SOUTHWEST WINDS 10 TO 20 MPH.
THURSDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 45-60.
HIGHS 58-73. WEST WINDS 5 TO 15 MPH.
FRIDAY
CLEAR. LOWS 45-57. HIGHS 58-71.
SATURDAY
MOSTLY CLEAR. LOWS 48-58. HIGHS 58-71.
8 TO 10 DAY OUTLOOK
SUNDAY OCTOBER 25TH THROUGH TUESDAY
OCTOBER 27TH: NEAR NORMAL TEMPERATURES AND ABOVE MEDIAN
PRECIPITATION.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page