125
FPUS55 KPSR 180731
ZFPPSR
ZONE FORECAST PRODUCT FOR SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1231 AM MST TUE AUG 18 2026
THIS IS AN AUTOMATICALLY GENERATED PRODUCT THAT PROVIDES AVERAGE
VALUES FOR LARGE GEOGRAPHICAL AREAS AND MAY NOT BE REPRESENTATIVE
OF THE EXACT LOCATION THAT YOU ARE INTERESTED IN. FOR A MORE SITE
SPECIFIC FORECAST, PLEASE VISIT WEATHER.GOV/PHOENIX AND EITHER
(1) SELECT A LOCATION FROM THE DROPDOWN MENU ABOVE THE MAP OR
(2) CLICK A LOCATION ON THE MAP. YOU CAN REFINE YOUR SELECTION BY
CLICKING ON THE MAP DISPLAYED ON THE RESULTING PAGE.
AZZ537-540-542>544-546-548-550-551-181100-
NORTHWEST VALLEY-BUCKEYE/AVONDALE-DEER VALLEY-CENTRAL PHOENIX-
NORTH PHOENIX/GLENDALE-SCOTTSDALE/PARADISE VALLEY-EAST VALLEY-
SOUTH MOUNTAIN/AHWATUKEE-SOUTHEAST VALLEY/QUEEN CREEK-
INCLUDING THE CITIES OF CIRCLE CITY, SURPRISE, WITTMANN, BEARDSLEY,
SUN CITY WEST, AVONDALE, CASHION, GOODYEAR, LIBERTY, PEORIA, PHOENIX,
PARADISE VALLEY, MESA, CHANDLER, TEMPE, GILBERT, SUN LAKES,
AND QUEEN CREEK
1231 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TONIGHT
CLEAR. LOWS 83 TO 90. EAST WIND 5 TO 10 MPH.
TUESDAY
SUNNY AND HOT. HIGHS 107 TO 111. SOUTHEAST WIND 5 TO
10 MPH IN THE MORNING BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 83 TO 90. NORTHEAST WIND AROUND
5 MPH IN THE EVENING BECOMING SOUTHWEST 10 TO 15 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 110. SOUTHWEST WIND
5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 84 TO 91. WEST WIND 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 82 TO 88.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 106 TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 83 TO 90.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 106 TO 111.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 82 TO 89.
SUNDAY
PARTLY SUNNY. HIGHS 105 TO 110.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81 TO 88.
MONDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 103 TO 108.
AZZ541-549-555-181100-
CAVE CREEK/NEW RIVER-FOUNTAIN HILLS/EAST MESA-
APACHE JUNCTION/GOLD CANYON-
INCLUDING THE CITIES OF SCOTTSDALE, FOUNTAIN HILLS,
AND APACHE JUNCTION
1231 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TONIGHT
CLEAR. LOWS 77 TO 87. EAST WIND 5 TO 10 MPH.
TUESDAY
SUNNY AND HOT. HIGHS 105 TO 110. SOUTHEAST WIND 5 TO
10 MPH IN THE MORNING BECOMING SOUTHWEST AROUND 5 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 78 TO 88. EAST WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 104 TO 109. SOUTH WIND AROUND 5 MPH
IN THE MORNING BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87. WEST WIND 5 TO
10 MPH IN THE EVENING BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 105 TO 109.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS 79 TO 85. CHANCE OF RAIN
30 PERCENT.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 104 TO 110.
FRIDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 86.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 104 TO 110.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 79 TO 85.
SUNDAY
PARTLY SUNNY. HIGHS 103 TO 109.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79 TO 85.
MONDAY
PARTLY SUNNY. HIGHS 101 TO 107.
AZZ553-554-181100-
NORTHWEST PINAL COUNTY-WEST PINAL COUNTY-
INCLUDING THE CITIES OF CASA GRANDE, CACTUS FOREST, FLORENCE,
AND COOLIDGE
1231 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TONIGHT
CLEAR. LOWS 77 TO 87. SOUTHEAST WIND 5 TO 10 MPH.
TUESDAY
SUNNY AND HOT. HIGHS 106 TO 111. SOUTH WIND 5 TO 10 MPH IN
THE MORNING BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 78 TO 88. EAST WIND AROUND 5 MPH IN THE EVENING BECOMING
SOUTH 5 TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY AND HOT. HIGHS 105 TO 110. SOUTHWEST WIND AROUND
5 MPH IN THE MORNING BECOMING NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 88. WEST WIND 5 TO
10 MPH IN THE EVENING BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY AND HOT. HIGHS 104 TO 110.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 78 TO 86.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 105 TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 79 TO 87.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 105 TO 111.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 78 TO 86.
SUNDAY
PARTLY SUNNY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 103 TO 109.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 78 TO 85.
MONDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 102 TO 108.
AZZ532-181100-
YUMA-
INCLUDING THE CITIES OF YUMA AND FORTUNA FOOTHILLS
1231 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TONIGHT
CLEAR. LOWS 85 TO 86. SOUTH WIND 5 TO 10 MPH.
TUESDAY
SUNNY AND HOT. HIGHS NEAR 112. SOUTH WIND 5 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 84 TO 86. SOUTH WIND 5 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS NEAR 109. SOUTH WIND 10 TO 20 MPH.
WEDNESDAY NIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.
LOWS 84 TO 86. SOUTH WIND 5 TO 15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 111.
THURSDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID TO UPPER 80S.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 110 TO 114.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 110 TO 114.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 80S.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 108 TO 111.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 106 TO 109.
AZZ562-181100-
GLOBE/MIAMI-
INCLUDING THE CITIES OF GLOBE AND MIAMI
1231 AM MST TUE AUG 18 2026
TONIGHT
CLEAR. LOWS 67 TO 77. EAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY, OTHERWISE PARTLY CLOUDY WITH A SLIGHT CHANCE
OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 93 TO 103. EAST WIND
5 TO 10 MPH. CHANCE OF RAIN 10 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 68 TO 78. NORTH WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 94 TO 104. SOUTHWEST WIND AROUND
5 MPH IN THE MORNING BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 68 TO 78. WEST WIND 5 TO 10 MPH.
CHANCE OF RAIN 10 PERCENT.
THURSDAY
PARTLY CLOUDY. A 30 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 99 TO 103.
THURSDAY NIGHT
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 70S.
FRIDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 99 TO 103.
FRIDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 98 TO 104.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 70S.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 97 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.
MONDAY
PARTLY SUNNY. HIGHS 96 TO 100.
AZZ545-547-552-556>558-561-181100-
NEW RIVER MESA-RIO VERDE/SALT RIVER-SUPERIOR-TONTO BASIN-
MAZATZAL MOUNTAINS-PINAL/SUPERSTITION MOUNTAINS-DRIPPING SPRINGS-
INCLUDING THE CITIES OF TORTILLA FLAT, SUPERIOR, PUNKIN CENTER,
SUNFLOWER, HAYDEN, AND WINKELMAN
1231 AM MST TUE AUG 18 2026
TONIGHT
CLEAR. LOWS 75 TO 85. EAST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 104 TO 109. SOUTHEAST WIND 5 TO 10 MPH
IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 76 TO 86. EAST WIND 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 103 TO 108. SOUTHWEST WIND 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 75 TO 85. NORTHWEST WIND 5 TO
10 MPH IN THE EVENING BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT.
CHANCE OF RAIN 10 PERCENT.
THURSDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 92 TO 108.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS 68 TO 83. CHANCE OF RAIN
30 PERCENT.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 93 TO 109.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 69 TO 84.
SATURDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 93 TO 109.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 69 TO 84.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 91 TO 107.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 69 TO 83.
MONDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 90 TO 106.
AZZ560-181100-
SAN CARLOS-
INCLUDING THE CITIES OF SAN CARLOS AND PERIDOT
1231 AM MST TUE AUG 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST
FRIDAY...
TONIGHT
CLEAR. LOWS 69 TO 79. NORTHEAST WIND AROUND 5 MPH.
TUESDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A SLIGHT
CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 97 TO 107. EAST
WIND 5 TO 10 MPH. CHANCE OF RAIN 10 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 70 TO 80. NORTHWEST WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY, OTHERWISE PARTLY CLOUDY WITH A SLIGHT
CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 98 TO 108.
SOUTHWEST WIND 5 TO 10 MPH. CHANCE OF RAIN 10 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 69 TO 79. NORTHWEST WIND 5 TO 10 MPH. CHANCE OF
RAIN 20 PERCENT.
THURSDAY
PARTLY CLOUDY. A 30 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 102 TO 108.
THURSDAY NIGHT
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.
FRIDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 102 TO 108.
FRIDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.
SATURDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 101 TO 107.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID TO UPPER 70S.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 100 TO 106.
SUNDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.
MONDAY
PARTLY SUNNY. HIGHS 99 TO 105.
AZZ563-181100-
SOUTHEAST GILA COUNTY-
1231 AM MST TUE AUG 18 2026
TONIGHT
CLEAR. LOWS 68 TO 78. EAST WIND 5 TO 10 MPH.
TUESDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A SLIGHT
CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 90 TO 100.
SOUTHEAST WIND 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 68 TO 78. NORTHEAST WIND AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 91 TO
101. WEST WIND 5 TO 10 MPH. CHANCE OF RAIN 10 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 68 TO 78. NORTH WIND AROUND 5 MPH. CHANCE OF RAIN
10 PERCENT.
THURSDAY
PARTLY CLOUDY. A 50 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 89 TO 101. RAINFALL LESS THAN A TENTH OF AN
INCH, EXCEPT LOCALLY HIGHER IN THUNDERSTORMS.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 59 TO 76.
FRIDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 89 TO 101.
FRIDAY NIGHT
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 59 TO 77.
SATURDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 89 TO 101.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 59 TO 77.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 88 TO 100.
SUNDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 59 TO 77.
MONDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 87 TO 99.
AZZ539-559-181100-
GILA BEND-SONORAN DESERT NATL MONUMENT-
INCLUDING THE CITIES OF GILA BEND, SENTINEL, AND KAKA
1231 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TONIGHT
CLEAR. LOWS 79 TO 89. SOUTH WIND 5 TO 10 MPH.
TUESDAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTHWEST WIND 5 TO
10 MPH IN THE MORNING BECOMING NORTHWEST AROUND 5 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 79 TO 89. SOUTHWEST WIND 5 TO 15 MPH.
WEDNESDAY
SUNNY AND HOT. HIGHS 107 TO 112. SOUTHWEST WIND 5 TO
10 MPH IN THE MORNING BECOMING WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 88. SOUTHWEST WIND 5 TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HOT. HIGHS 104 TO 112. CHANCE OF
PRECIPITATION 10 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 80 TO 88.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 104 TO 112.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81 TO 89.
SATURDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HOT. HIGHS 103 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 80 TO 88.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT.
HIGHS 103 TO 111. CHANCE OF RAIN 10 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79 TO 87.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 101 TO 109.
AZZ534-538-181100-
AGUILA VALLEY-TONOPAH DESERT-
INCLUDING THE CITIES OF AGUILA, GLADDEN, WICKENBURG, ARLINGTON,
HASSAYAMPA, TONOPAH, AND WINTERSBURG
1231 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TONIGHT
CLEAR. LOWS 77 TO 87. NORTH WIND AROUND 5 MPH.
TUESDAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTHEAST WIND 5 TO
10 MPH IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 78 TO 88. WEST WIND 5 TO 10 MPH IN THE EVENING BECOMING
SOUTHWEST 10 TO 15 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. SOUTH WIND 5 TO
10 MPH IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 88. WEST WIND 5 TO
10 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 104 TO 112.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 79 TO 87.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 104 TO 112.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79 TO 88.
SATURDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HOT. HIGHS 103 TO 111.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 79 TO 87.
SUNDAY
PARTLY SUNNY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 102 TO 110.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 78 TO 86.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 100 TO 108.
AZZ531-533-181100-
KOFA-CENTRAL LA PAZ-
INCLUDING THE CITIES OF PALM CANYON, BRENDA, HARCUVAR, QUARTZSITE,
VICKSBURG, VICKSBURG JUNCTION, AND SALOME
1231 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TONIGHT
CLEAR. LOWS 78 TO 88. SOUTHWEST WIND AROUND 5 MPH.
TUESDAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTH WIND 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTHWEST WIND 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTH WIND 5 TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 78 TO 88. SOUTH WIND 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 103 TO 111.
THURSDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 80 TO 88.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 103 TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 80 TO 88.
SATURDAY
PARTLY CLOUDY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HOT. HIGHS 103 TO 111.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 79 TO 87.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 102 TO 110.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 78 TO 86.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 100 TO 108.
AZZ535-536-181100-
SOUTHEAST YUMA COUNTY-GILA RIVER VALLEY-
INCLUDING THE CITY OF LIGURTA
1231 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TONIGHT
CLEAR. LOWS 79 TO 89. SOUTH WIND 5 TO 10 MPH.
TUESDAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTH WIND 5 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTHWEST WIND 5 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTH WIND 5 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 77 TO 87. SOUTH WIND 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 112.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 83 TO 88.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 109 TO 113.
FRIDAY NIGHT
CLEAR WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
84 TO 89.
SATURDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 109 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 83 TO 88.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 106 TO 110.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 81 TO 86.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 104 TO 108.
AZZ530-CAZ569-181100-
PARKER VALLEY-PALO VERDE VALLEY-
INCLUDING THE CITIES OF PARKER, EHRENBERG, MARTINEZ LAKE, BLYTHE,
PALO VERDE, AND RIPLEY
1231 AM MST TUE AUG 18 2026 /1231 AM PDT TUE AUG 18 2026/
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST /8 PM PDT/ FRIDAY
TONIGHT
CLEAR. LOWS 78 TO 88. SOUTHWEST WIND AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 88. SOUTH WIND 5 TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. SOUTH WIND 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 78 TO 88. SOUTH WIND 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 112.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 88.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 107 TO 113.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 83 TO 89.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 107 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 82 TO 88.
SUNDAY
PARTLY SUNNY AND HOT. HIGHS 106 TO 112.
SUNDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 87.
MONDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 104 TO 110.
CAZ565-570-181100-
IMPERIAL COUNTY SOUTHEAST-CHUCKWALLA VALLEY-
INCLUDING THE CITIES OF WINTERHAVEN AND MIDLAND
1231 AM PDT TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT
CLEAR. LOWS 80 TO 90. NORTHWEST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 79 TO 89. SOUTH WIND 5 TO
10 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HOT.
HIGHS 107 TO 112. SOUTH WIND 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 79 TO 89. SOUTH WIND 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 104 TO 112.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 90.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 105 TO 113.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 90.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 105 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 83 TO 90.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 104 TO 111.
SUNDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 82 TO 89.
MONDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 102 TO 109.
CAZ564-568-181100-
CHUCKWALLA MOUNTAINS-CHIRIACO SUMMIT-
INCLUDING THE CITIES OF IMPERIAL HOT MINERAL SPRINGS AND CHIRIACO
SUMMIT
1231 AM PDT TUE AUG 18 2026
TONIGHT
CLEAR. LOWS 78 TO 88. NORTHWEST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
HOT. HIGHS 106 TO 111. SOUTH WIND 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTHWEST WIND 5 TO
10 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HIGHS
104 TO 109. SOUTH WIND 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 76 TO 86. SOUTH WIND 5 TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 99 TO 109.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 87.
FRIDAY
PARTLY SUNNY. HIGHS 99 TO 109.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 79 TO 88.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 98 TO 110.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 87.
SUNDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF SHOWERS IN THE
MORNING. HIGHS 98 TO 108.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87.
MONDAY
MOSTLY SUNNY, OTHERWISE PARTLY CLOUDY WITH A SLIGHT CHANCE
OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 96 TO 106. CHANCE OF RAIN 10 PERCENT.
CAZ563-181100-
SALTON SEA-
INCLUDING THE CITY OF DESERT SHORES
1231 AM PDT TUE AUG 18 2026
TONIGHT
CLEAR. LOWS 81 TO 91. NORTHWEST WIND 5 TO 15 MPH.
TUESDAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
HOT. HIGHS 107 TO 112. SOUTHEAST WIND 10 TO 15 MPH IN THE MORNING
DECREASING TO AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 80 TO 90. WEST WIND 5 TO 10 MPH
IN THE EVENING BECOMING SOUTHEAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 105 TO 110. SOUTHEAST WIND
10 TO 15 MPH IN THE MORNING BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 81 TO 91. EAST WIND 5 TO 15 MPH.
THURSDAY
SUNNY AND HOT. HIGHS 102 TO 110.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 86 TO 91.
FRIDAY
PARTLY SUNNY. HIGHS 101 TO 109.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 87 TO 92.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 102 TO 110.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 86 TO 91.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT.
HIGHS 100 TO 110. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
MONDAY
MOSTLY SUNNY. HIGHS 99 TO 107.
CAZ567-181100-
IMPERIAL VALLEY-
INCLUDING THE CITIES OF EL CENTRO, CALEXICO, ALAMORIO, AND BRAWLEY
1231 AM PDT TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT
CLEAR. LOWS 77 TO 87. NORTHWEST WIND 5 TO 10 MPH.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. HOT.
HIGHS 109 TO 114. SOUTHEAST WIND AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 76 TO 86. SOUTH WIND AROUND
5 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 108 TO 113. SOUTHEAST WIND 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 77 TO 87. SOUTHEAST WIND 5 TO
10 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 113.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 109 TO 113.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 109 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S.
SUNDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN SUNNY WITH A SLIGHT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 108 TO 112. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 80S.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 106 TO 110.
CAZ566-181100-
IMPERIAL COUNTY WEST-
INCLUDING THE CITIES OF COOLIDGE SPRINGS, SALTON CITY, WINONA,
COYOTE WELLS, OCOTILLO, AND PLASTER CITY
1231 AM PDT TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT
CLEAR. LOWS 80 TO 90. WEST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
VERY HOT. HIGHS 110 TO 115. SOUTHEAST WIND 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 80 TO 90. SOUTHWEST WIND 5 TO
10 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 109 TO 114. EAST WIND 5 TO 10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 80 TO 90. SOUTH WIND 5 TO 10 MPH IN
THE EVENING BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY AND HOT. HIGHS 109 TO 113.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 85 TO 90.
FRIDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 109 TO 113.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 85 TO 90.
SATURDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 84 TO 89.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT.
HIGHS 108 TO 112. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 83 TO 88.
MONDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 107 TO 111.
CAZ562-181100-
IMPERIAL COUNTY SOUTHWEST-
INCLUDING THE CITY OF MOUNTAIN SPRING
1231 AM PDT TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TONIGHT
CLEAR AND BREEZY. LOWS 82 TO 92. SOUTHWEST WIND 10 TO
20 MPH. GUSTS UP TO 30 MPH.
TUESDAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
HOT. HIGHS 109 TO 114. SOUTHEAST WIND 5 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 92. SOUTHWEST WIND 10 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 113. EAST WIND 5 TO
10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 83 TO 93. SOUTHWEST WIND 5 TO 15 MPH.
THURSDAY
SUNNY AND HOT. HIGHS 102 TO 112.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 92.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 102 TO 112.
FRIDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 92.
SATURDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HOT. HIGHS 102 TO 112.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 91.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 101 TO 111.
SUNDAY NIGHT
MOSTLY CLEAR. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 80 TO 90.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 100 TO 110.
CAZ560-561-181100-
JOSHUA TREE NP WEST-JOSHUA TREE NP EAST-
INCLUDING THE CITIES OF COTTONWOOD VISITOR AND LOST HORSE-KEYS
VILLAGE
1231 AM PDT TUE AUG 18 2026
TONIGHT
CLEAR. LOWS 75 TO 85. WEST WIND 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
HIGHS 99 TO 109. SOUTHWEST WIND 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 76 TO 86. WEST WIND 5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS 98 TO 108. SOUTH WIND 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 76 TO 86. SOUTHWEST WIND 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 91 TO 107.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 71 TO 86.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 91 TO 107.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 70 TO 86.
SATURDAY
PARTLY SUNNY. HIGHS 91 TO 107.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 69 TO 86.
SUNDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 90 TO 106.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 85.
MONDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 89 TO 105.
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