598
FNUS55 KPSR 190848
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
148 AM MST SUN JUL 19 2026
DISCUSSION
ADDITIONAL ROUNDS OF BENEFICIAL RAINFALL WILL BE POSSIBLE EACH
DAY THROUGH MID-WEEK, ESPECIALLY OVER THE FOOTHILLS AND HIGH
TERRAIN OF THE EASTERN DISTRICTS. OUTSIDE OF ANY GUSTY AND ERRATIC
WINDS NEAR THUNDERSTORMS, WINDS WILL REMAIN LIGHT, MOSTLY BELOW
15 MPH AND FOLLOW TYPICAL DIURNAL UPSLOPE AND DOWNVALLEY PATTERNS.
ELEVATED MOISTURE LEVELS WILL KEEP MINIMUM AFTERNOON HUMIDITY
ABOVE 20% ACROSS THE WESTERN DISTRICTS AND BETWEEN 30-40% OVER THE
EASTERN DISTRICTS. OVERNIGHT RECOVERY WILL RANGE FROM FAIR TO
GOOD ACROSS THE WESTERN DISTRICTS AND VERY GOOD TO EXCELLENT FOR
THE EASTERN DISTRICTS.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-192100-
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-
148 AM MST SUN JUL 19 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING.
* MAX TEMPERATURE.................96-105.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................22-33 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHEAST 5 TO 15 MPH IN THE
MORNING BECOMING LIGHT AND VARIABLE IN THE AFTERNOON.
* CHANCE OF PRECIP................10 PERCENT IN THE MORNING
BECOMING 0 PERCENT IN THE AFTERNOON.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............9 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......9200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 5 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.................78-88.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................43-63 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 SOUTHEAST 5 TO 15 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............8 PERCENT.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................98-106.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................23-31 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 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...............5 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......10200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 9 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
EXTENDED
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79-89. HIGHS 99-107. SOUTHWEST WINDS 5 TO
15 MPH.
WEDNESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79-89. HIGHS 101-109. SOUTHEAST WINDS 5 TO
15 MPH.
THURSDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81-91. HIGHS 103-111. SOUTHEAST WINDS 5 TO
15 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81-91. HIGHS 101-108.
SATURDAY
MOSTLY CLEAR. LOWS 81-91. HIGHS 104-111.
AZZ131-CAZ231-192100-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
148 AM MST SUN JUL 19 2026 /148 AM PDT SUN JUL 19 2026/
TODAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................103-108.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................21-25 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............5 PERCENT.
* MIXING HEIGHT FOR YUMA..........10500 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 7 KNOTS.
* DISPERSION FOR YUMA.............GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................82-87.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................34-48 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* 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...............5 PERCENT.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................103-108.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................20-25 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...............4 PERCENT.
* MIXING HEIGHT FOR YUMA..........9100 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 7 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 82-87. HIGHS 105-110. SOUTH WINDS
10 TO 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 83-89. HIGHS 106-111. SOUTH WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 84-89. HIGHS 108-113. SOUTH WINDS 5 TO
15 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 84-89. HIGHS 105-110.
SATURDAY
MOSTLY CLEAR. LOWS 84-90. HIGHS 108-113.
AZZ133-192100-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
148 AM MST SUN JUL 19 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
* MAX TEMPERATURE.................81-94.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................36-52 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 5 TO 15 MPH.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............25 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS .
* MIN TEMPERATURE.................61-78.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................62-90 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE EVENING
BECOMING MOSTLY DOWNSLOPE/DOWNVALLEY AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................20 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............24 PERCENT.
MONDAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
* MAX TEMPERATURE.................82-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................34-51 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE MORNING
BECOMING NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................30 PERCENT.
* CWR (>= 0.10 IN)................10 PERCENT.
* CHANCE OF THUNDER...............29 PERCENT.
EXTENDED
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 61-79. HIGHS 82-96. NORTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF THUNDERSTORMS AND
SLIGHT CHANCE OF SHOWERS. LOWS 61-81. HIGHS 84-99. EAST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 63-81. HIGHS 87-102. EAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 64-82. HIGHS 88-102.
SATURDAY
MOSTLY CLEAR. LOWS 64-84. HIGHS 91-105.
CAZ232-192100-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
148 AM PDT SUN JUL 19 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................99-109.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................18-26 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 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...............4 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................82-89.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-42 PCT.
* 24 HR TREND..................3 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...............5 PERCENT.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................99-110.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-23 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* 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...............3 PERCENT.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 82-88. HIGHS 100-111. SOUTHWEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 82-90. HIGHS 102-112. SOUTH WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 85-90. HIGHS 103-114. SOUTH WINDS 5 TO
15 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 84-90. HIGHS 101-111.
SATURDAY
MOSTLY CLEAR. LOWS 84-91. HIGHS 103-113.
CAZ230-192100-
JOSHUA TREE NATIONAL PARK-
148 AM PDT SUN JUL 19 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................89-102.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................22-28 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............SOUTHEAST 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...............5 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................72-85.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................33-41 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............4 PERCENT.
MONDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................89-103.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................20-26 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 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...............6 PERCENT.
EXTENDED
TUESDAY
MOSTLY CLEAR. LOWS 71-85. HIGHS 90-105. SOUTHWEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 73-86. HIGHS 92-106. SOUTHWEST
WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 74-87. HIGHS 93-107. SOUTH WINDS
5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 73-87. HIGHS 91-103.
SATURDAY
MOSTLY CLEAR. LOWS 73-86. HIGHS 93-106.
8 TO 10 DAY OUTLOOK
SUNDAY JULY 26TH THROUGH TUESDAY JULY 28TH:
ABOVE NORMAL TEMPERATURES AND ABOVE MEDIAN PRECIPITATION.
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