694
FNUS55 KPSR 191912
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1212 PM MST MON OCT 19 2026
DISCUSSION
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON ACROSS THE HIGHER TERRAIN AREAS OF THE EASTERN
DISTRICTS. RAIN CHANCES WILL BRIEFLY DECREASE TUESDAY BEFORE
INCREASING SUBSTANTIALLY ACROSS MUCH OF SOUTH-CENTRAL AND EASTERN
AZ BY MIDWEEK. MINIMUM HUMIDITY LEVELS WILL ONLY FALL INTO A
30-50% RANGE FOLLOWING GOOD TO EXCELLENT OVERNIGHT RECOVERY. WINDS
WILL GENERALLY BE LIGHT THROUGH TUESDAY WITH LIMITED AFTERNOON
GUSTINESS.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-200715-
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-
1212 PM MST MON OCT 19 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................64-74.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................61-78 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING EAST 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................84-92.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................32-38 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 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......9300 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTH 10 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
TUESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
* MIN TEMPERATURE.................68-78.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................68-81 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT IN THE EVENING BECOMING
20 PERCENT AFTER MIDNIGHT.
* CWR (>= 0.10 IN)................0 PERCENT WEST PORTION...10
PERCENT EAST PORTION.
* CHANCE OF THUNDER...............8 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................MOSTLY CLOUDY. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.................81-88.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................39-55 PCT.
* 24 HR TREND..................13 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 35 TO 45 MPH.
* CHANCE OF PRECIP................40 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT WEST PORTION...40
PERCENT EAST PORTION.
* CHANCE OF THUNDER...............16 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......1700 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 6 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
EXTENDED
THURSDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 57-69. HIGHS 77-84. SOUTH WINDS
10 TO 20 MPH.
FRIDAY
CLEAR. LOWS 56-66. HIGHS 72-79. NORTHWEST WINDS 5 TO
10 MPH.
SATURDAY
CLEAR. LOWS 56-66. HIGHS 74-80. NORTH WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 56-66. HIGHS 78-84.
MONDAY
MOSTLY CLEAR. LOWS 58-68. HIGHS 77-83.
AZZ131-CAZ231-200715-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1212 PM MST MON OCT 19 2026 /1212 PM PDT MON OCT 19 2026/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................63-68.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................61-75 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..LIGHT AND VARIABLE IN THE EVENING
BECOMING EAST 5 TO 10 MPH AFTER MIDNIGHT.
* 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.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................86-91.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................31-37 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 10 MPH IN THE MORNING
BECOMING SOUTH 5 TO 15 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
* MIXING HEIGHT FOR YUMA..........8500 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 11 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
TUESDAY NIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................66-72.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................71-87 PCT.
* 24 HR TREND..................12 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH IN THE EVENING
BECOMING 25 TO 35 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................85-90.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................33-39 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 35 TO 45 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............4 PERCENT.
* MIXING HEIGHT FOR YUMA..........5800 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 14 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS 56-69. HIGHS 80-85. WEST WINDS
10 TO 20 MPH.
FRIDAY
CLEAR. LOWS 56-62. HIGHS 76-81. NORTHWEST WINDS 5 TO
15 MPH.
SATURDAY
CLEAR. LOWS 55-62. HIGHS 78-83. NORTH WINDS 5 TO
15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 81-86.
MONDAY
MOSTLY CLEAR. LOWS 57-65. HIGHS 80-85.
AZZ133-200715-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1212 PM MST MON OCT 19 2026
TONIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................53-66.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................70-96 PCT.
* 24 HR TREND..................8 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............8 PERCENT.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.................72-86.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................35-53 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT IN THE MORNING BECOMING
10 PERCENT IN THE AFTERNOON.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............11 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS . CHANCE
OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE.................56-69.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................73-93 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH.
* CHANCE OF PRECIP................60 PERCENT.
* CWR (>= 0.10 IN)................30 PERCENT.
* CHANCE OF THUNDER...............23 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY IN
THE MORNING. CHANCE OF THUNDERSTORMS . SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................70-83.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................50-70 PCT.
* 24 HR TREND..................15 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH.
* CHANCE OF PRECIP................80 PERCENT.
* CWR (>= 0.10 IN)................70 PERCENT.
* CHANCE OF THUNDER...............38 PERCENT.
EXTENDED
THURSDAY
SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS 50-67.
HIGHS 63-77. SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS 44-62.
HIGHS 60-73. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
CLEAR. LOWS 44-58. HIGHS 61-74. NORTHEAST WINDS 5 TO
15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 45-61. HIGHS 64-78.
MONDAY
MOSTLY CLEAR. LOWS 48-61. HIGHS 62-76.
CAZ232-200715-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1212 PM PDT MON OCT 19 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................64-70.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................50-70 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 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.
TUESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................82-91.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................30-40 PCT.
* 24 HR TREND..................6 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.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................65-70.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................66-90 PCT.
* 24 HR TREND..................20 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH IN THE EVENING
BECOMING 20 TO 30 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................80-90.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................28-41 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............4 PERCENT.
EXTENDED
THURSDAY
MOSTLY CLEAR. LOWS 55-68. HIGHS 74-84. WEST WINDS
15 TO 25 MPH.
FRIDAY
CLEAR. LOWS 55-63. HIGHS 72-81. NORTHWEST WINDS 5 TO
15 MPH.
SATURDAY
CLEAR. LOWS 57-64. HIGHS 74-84. NORTH WINDS 10 TO
20 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 57-65. HIGHS 75-85.
MONDAY
MOSTLY CLEAR. LOWS 57-65. HIGHS 75-84.
CAZ230-200715-
JOSHUA TREE NATIONAL PARK-
1212 PM PDT MON OCT 19 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................55-65.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................50-64 PCT.
* 24 HR TREND..................4 PCT WETTER.
* 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.
TUESDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................70-84.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................33-44 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER.....................MOSTLY CLEAR.
* MIN TEMPERATURE.................55-66.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................70-89 PCT.
* 24 HR TREND..................23 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH IN THE EVENING
BECOMING 20 TO 30 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
WEDNESDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................68-83.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................32-49 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...............2 PERCENT.
EXTENDED
THURSDAY
MOSTLY CLEAR WITH CHANCE OF SHOWERS. LOWS 45-63.
HIGHS 61-77. WEST WINDS 10 TO 20 MPH.
FRIDAY
CLEAR. LOWS 45-59. HIGHS 61-74. NORTHWEST WINDS 10 TO
20 MPH.
SATURDAY
CLEAR. LOWS 48-59. HIGHS 63-76. NORTH WINDS 15 TO
25 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 48-60. HIGHS 64-77.
MONDAY
MOSTLY CLEAR. LOWS 48-60. HIGHS 63-77.
8 TO 10 DAY OUTLOOK
TUESDAY OCTOBER 27TH THROUGH THURSDAY
OCTOBER 29TH: ABOVE NORMAL TEMPERATURES AND ABOVE MEDIAN PRECIPITATION.
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