998
FPUS55 KPSR 181856
ZFPPSR
ZONE FORECAST PRODUCT FOR SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1156 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>544-546-548-550-551-182300-
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
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY AND HOT. HIGHS 107 TO 111. SOUTHEAST WIND 5 TO 10 MPH
IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 82 TO 90. WEST WIND 5 TO 10 MPH IN THE
EVENING BECOMING SOUTHWEST 10 TO 20 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 110. WEST WIND 5 TO
15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 83 TO 90. SOUTHWEST WIND 5 TO
15 MPH. CHANCE OF RAIN 20 PERCENT.
THURSDAY
PARTLY SUNNY. HIGHS 105 TO 109. SOUTHWEST WIND 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 81 TO 87.
FRIDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 106 TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 83 TO 90.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 107 TO 112.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 82 TO 88.
SUNDAY
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HIGHS 104 TO 109.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81 TO 87.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 103 TO 108.
AZZ541-549-555-182300-
CAVE CREEK/NEW RIVER-FOUNTAIN HILLS/EAST MESA-
APACHE JUNCTION/GOLD CANYON-
INCLUDING THE CITIES OF SCOTTSDALE, FOUNTAIN HILLS,
AND APACHE JUNCTION
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY AND HOT. HIGHS 105 TO 110. SOUTHEAST WIND 10 TO 15 MPH
IN THE MORNING BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 77 TO 87. NORTHEAST WIND 5 TO 10 MPH IN
THE EVENING BECOMING SOUTHEAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 104 TO 109. WEST WIND 5 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 76 TO 86. SOUTH WIND 10 TO 15 MPH
IN THE EVENING BECOMING EAST 5 TO 10 MPH AFTER MIDNIGHT. CHANCE OF
RAIN 10 PERCENT.
THURSDAY
MOSTLY SUNNY. HIGHS 103 TO 108. SOUTHWEST WIND 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 79 TO 84.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 104 TO 110.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 80 TO 86.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 105 TO 111.
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.
AZZ553-554-182300-
NORTHWEST PINAL COUNTY-WEST PINAL COUNTY-
INCLUDING THE CITIES OF CASA GRANDE, CACTUS FOREST, FLORENCE,
AND COOLIDGE
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY AND HOT. HIGHS 106 TO 111. SOUTH WIND 10 TO 15 MPH IN
THE MORNING BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 78 TO 88. NORTHWEST WIND 10 TO 15 MPH
IN THE EVENING BECOMING SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 105 TO 110. WEST WIND 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 78 TO 88. SOUTHWEST WIND 10 TO
15 MPH IN THE EVENING BECOMING SOUTH 5 TO 10 MPH AFTER MIDNIGHT.
CHANCE OF RAIN 10 PERCENT.
THURSDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 105 TO 110. SOUTHWEST WIND 5 TO 10 MPH IN THE MORNING
BECOMING NORTHWEST IN THE AFTERNOON.
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 WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79 TO 87.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 106 TO 112.
SATURDAY 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 86. CHANCE OF RAIN
30 PERCENT.
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 79 TO 86.
MONDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 102 TO 108.
AZZ532-182300-
YUMA-
INCLUDING THE CITIES OF YUMA AND FORTUNA FOOTHILLS
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY AND HOT. HIGHS NEAR 112. SOUTH WIND 10 TO 15 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.
BREEZY. LOWS 84 TO 86. SOUTH WIND 10 TO 20 MPH. GUSTS UP TO 30 MPH
AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. BREEZY.
HIGHS NEAR 109. SOUTH WIND 10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE
MORNING.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. BREEZY. LOWS 85 TO 86. SOUTH WIND 10 TO 15 MPH. GUSTS UP TO
30 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS NEAR 110. SOUTH WIND 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 110 TO 112.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 111 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID TO UPPER 80S. CHANCE OF RAIN 20 PERCENT.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 107 TO 111.
SUNDAY NIGHT
MOSTLY CLEAR. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 80S.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 106 TO 109.
AZZ562-182300-
GLOBE/MIAMI-
INCLUDING THE CITIES OF GLOBE AND MIAMI
1156 AM MST TUE AUG 18 2026
TODAY
SUNNY. HIGHS 93 TO 103. EAST WIND 10 TO 15 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 68 TO 78. NORTH WIND 5 TO 10 MPH IN
THE EVENING BECOMING WEST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 92 TO 102. WEST WIND 5 TO 10 MPH IN
THE MORNING BECOMING NORTHWEST 10 TO 20 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CONSIDERABLE CLOUDINESS WITH A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 67 TO 77. SOUTHEAST WIND 10 TO 15 MPH IN THE EVENING
BECOMING NORTHWEST 5 TO 10 MPH AFTER MIDNIGHT. CHANCE OF RAIN
10 PERCENT.
THURSDAY
PARTLY SUNNY. A SLIGHT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 92 TO 102. WEST WIND 5 TO 10 MPH. CHANCE OF RAIN
20 PERCENT.
THURSDAY NIGHT
CONSIDERABLE CLOUDINESS. A 30 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER TO MID
70S.
FRIDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 98 TO 102.
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. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 96 TO 100.
AZZ545-547-552-556>558-561-182300-
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
1156 AM MST TUE AUG 18 2026
TODAY
SUNNY. HIGHS 104 TO 109. SOUTHEAST WIND 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 75 TO 85. NORTHEAST WIND 5 TO 10 MPH IN
THE EVENING BECOMING SOUTHEAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 103 TO 108. SOUTHWEST WIND 5 TO
10 MPH IN THE MORNING BECOMING WEST 10 TO 20 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 75 TO 85. NORTHEAST WIND 5 TO
15 MPH. CHANCE OF RAIN 10 PERCENT.
THURSDAY
PARTLY SUNNY. A SLIGHT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 102 TO 107. WEST WIND 5 TO 15 MPH. CHANCE OF
RAIN 10 PERCENT.
THURSDAY NIGHT
CONSIDERABLE CLOUDINESS. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 68 TO 83. CHANCE
OF RAIN 30 PERCENT.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 92 TO 108.
FRIDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 69 TO 84.
SATURDAY
PARTLY SUNNY. A 20 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. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 69 TO 83.
MONDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 90 TO 106.
AZZ560-182300-
SAN CARLOS-
INCLUDING THE CITIES OF SAN CARLOS AND PERIDOT
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY. HIGHS 97 TO 107. EAST WIND 5 TO 15 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 69 TO 79. NORTH WIND 10 TO 15 MPH IN
THE EVENING BECOMING WEST 5 TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 97 TO 107. WEST
WIND 5 TO 10 MPH IN THE MORNING INCREASING TO 10 TO 20 MPH IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
CONSIDERABLE CLOUDINESS WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 69 TO 79. NORTHWEST WIND 5 TO 15 MPH. CHANCE OF RAIN 30 PERCENT.
THURSDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 97 TO 107. WEST WIND 5 TO 15 MPH. CHANCE OF RAIN
20 PERCENT.
THURSDAY NIGHT
CONSIDERABLE CLOUDINESS. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO
UPPER 70S. CHANCE OF RAIN 30 PERCENT.
FRIDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 101 TO 107.
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 102 TO 108.
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. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 100 TO 106.
AZZ563-182300-
SOUTHEAST GILA COUNTY-
1156 AM MST TUE AUG 18 2026
TODAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A SLIGHT CHANCE
OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 90 TO 100. SOUTHEAST
WIND 5 TO 15 MPH. CHANCE OF RAIN 10 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS 68 TO 78. NORTHEAST WIND 10 TO 15 MPH
IN THE EVENING BECOMING SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 91 TO 101. WEST
WIND 5 TO 15 MPH. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
CONSIDERABLE CLOUDINESS WITH A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 67 TO 77. NORTHEAST WIND 5 TO 15 MPH. CHANCE OF RAIN
10 PERCENT.
THURSDAY
PARTLY SUNNY IN THE MORNING, THEN CONSIDERABLE CLOUDINESS
WITH A CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 90 TO
100. NORTH WIND 5 TO 10 MPH IN THE MORNING BECOMING WEST IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT.
THURSDAY NIGHT
CONSIDERABLE CLOUDINESS. A 20 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS 58 TO 76.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 89 TO 101.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 59 TO 77.
SATURDAY
PARTLY SUNNY. A 20 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 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 89 TO 99.
AZZ539-559-182300-
GILA BEND-SONORAN DESERT NATL MONUMENT-
INCLUDING THE CITIES OF GILA BEND, SENTINEL, AND KAKA
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTHWEST WIND 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 79 TO 89. SOUTHWEST WIND 10 TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTHWEST WIND
10 TO 15 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 78 TO 88. SOUTHWEST WIND 5 TO
15 MPH. CHANCE OF RAIN 10 PERCENT.
THURSDAY
PARTLY SUNNY IN THE MORNING, THEN MOSTLY SUNNY WITH A
SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT. HIGHS
106 TO 111. SOUTHWEST WIND 5 TO 10 MPH. CHANCE OF RAIN 10 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 80 TO 88.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 104 TO 112.
FRIDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 89.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HOT. HIGHS 104 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 80 TO 88.
SUNDAY
PARTLY SUNNY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 102 TO 110.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79 TO 87.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 100 TO 108.
AZZ534-538-182300-
AGUILA VALLEY-TONOPAH DESERT-
INCLUDING THE CITIES OF AGUILA, GLADDEN, WICKENBURG, ARLINGTON,
HASSAYAMPA, TONOPAH, AND WINTERSBURG
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTHEAST WIND 5 TO 10 MPH
IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.
BREEZY. LOWS 77 TO 87. SOUTHWEST WIND 10 TO 20 MPH. GUSTS UP TO
30 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTHWEST WIND
5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 77 TO 87. WEST WIND 5 TO 15 MPH.
CHANCE OF RAIN 10 PERCENT.
THURSDAY
PARTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTHWEST WIND
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 79 TO 87.
FRIDAY
PARTLY SUNNY. HOT. HIGHS 103 TO 112.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 80 TO 88.
SATURDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HOT. HIGHS 104 TO 112.
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 101 TO 109.
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.
AZZ531-533-182300-
KOFA-CENTRAL LA PAZ-
INCLUDING THE CITIES OF PALM CANYON, BRENDA, HARCUVAR, QUARTZSITE,
VICKSBURG, VICKSBURG JUNCTION, AND SALOME
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTH WIND 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTHWEST WIND 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTHWEST WIND
5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTHWEST WIND 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTHEAST WIND
5 TO 10 MPH IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 79 TO 87.
FRIDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 103 TO 111.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 80 TO 88.
SATURDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HOT. HIGHS 104 TO 112.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 79 TO 87.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS
101 TO 109. CHANCE OF RAIN 10 PERCENT.
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 99 TO 107.
AZZ535-536-182300-
SOUTHEAST YUMA COUNTY-GILA RIVER VALLEY-
INCLUDING THE CITY OF LIGURTA
1156 AM MST TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY
TODAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTH WIND 5 TO 15 MPH.
TONIGHT
PARTLY CLOUDY AND BREEZY. LOWS 77 TO 87. SOUTH WIND 10 TO
20 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY, BREEZY AND HOT. HIGHS 106 TO 111. SOUTH
WIND 10 TO 20 MPH IN THE MORNING BECOMING SOUTHWEST 5 TO 10 MPH IN
THE AFTERNOON. GUSTS UP TO 30 MPH IN THE MORNING.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTH WIND 10 TO
15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. SOUTH WIND 5 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 83 TO 88.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 113.
FRIDAY NIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.
LOWS 84 TO 89.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 109 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 82 TO 87. CHANCE OF RAIN 20 PERCENT.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT.
HIGHS 106 TO 110. CHANCE OF RAIN 10 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS 81 TO 86.
MONDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 104 TO 108.
AZZ530-CAZ569-182300-
PARKER VALLEY-PALO VERDE VALLEY-
INCLUDING THE CITIES OF PARKER, EHRENBERG, MARTINEZ LAKE, BLYTHE,
PALO VERDE, AND RIPLEY
1156 AM MST TUE AUG 18 2026 /1156 AM PDT TUE AUG 18 2026/
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST /8 PM PDT/ FRIDAY
TODAY
SUNNY AND HOT. HIGHS 109 TO 114. SOUTHWEST WIND 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTH WIND 5 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. SOUTH WIND 5 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 77 TO 87. SOUTH WIND 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. SOUTH WIND 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 88.
FRIDAY
PARTLY SUNNY AND HOT. HIGHS 107 TO 113.
FRIDAY NIGHT
CLEAR WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
82 TO 88.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 108 TO 114.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 87. CHANCE OF RAIN
20 PERCENT.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 106 TO 112.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 81 TO 87.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 104 TO 110.
CAZ565-570-182300-
IMPERIAL COUNTY SOUTHEAST-CHUCKWALLA VALLEY-
INCLUDING THE CITIES OF WINTERHAVEN AND MIDLAND
1156 AM PDT TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TODAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTHWEST WIND 5 TO
15 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 79 TO 89. SOUTH WIND 5 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HOT.
HIGHS 107 TO 112. SOUTH WIND 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 79 TO 89. SOUTH WIND 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. SOUTH WIND 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 81 TO 89.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 105 TO 112.
FRIDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 82 TO 90. CHANCE OF RAIN
20 PERCENT.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 105 TO 113.
SATURDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 82 TO 89. CHANCE OF RAIN
10 PERCENT.
SUNDAY
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 103 TO 111.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 82 TO 89.
MONDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS
101 TO 109. CHANCE OF RAIN 20 PERCENT.
CAZ564-568-182300-
CHUCKWALLA MOUNTAINS-CHIRIACO SUMMIT-
INCLUDING THE CITIES OF IMPERIAL HOT MINERAL SPRINGS AND CHIRIACO
SUMMIT
1156 AM PDT TUE AUG 18 2026
TODAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTH WIND 5 TO
15 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 76 TO 86. SOUTH WIND 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HIGHS
104 TO 109. SOUTH WIND 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 77 TO 87. SOUTH WIND 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 104 TO 109. SOUTH WIND 5 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 87.
FRIDAY
MOSTLY SUNNY. HIGHS 99 TO 109.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 79 TO 88.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 99 TO 111.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 87. CHANCE OF
PRECIPITATION 10 PERCENT.
SUNDAY
PARTLY SUNNY. HIGHS 98 TO 108.
SUNDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS 77 TO 86.
MONDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS
96 TO 106. CHANCE OF RAIN 20 PERCENT.
CAZ563-182300-
SALTON SEA-
INCLUDING THE CITY OF DESERT SHORES
1156 AM PDT TUE AUG 18 2026
TODAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. HOT.
HIGHS 107 TO 112. NORTHWEST WIND 10 TO 15 MPH IN THE MORNING BECOMING
EAST 5 TO 10 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLEAR.
LOWS 80 TO 90. SOUTHWEST WIND 10 TO 15 MPH IN THE EVENING BECOMING
SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HOT.
HIGHS 105 TO 110. SOUTHEAST WIND 10 TO 15 MPH IN THE MORNING BECOMING
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 80 TO 90. EAST WIND 10 TO
15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 105 TO 110. SOUTHEAST WIND
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 86 TO 91.
FRIDAY
MOSTLY SUNNY. HIGHS 101 TO 109.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 85 TO 91.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 102 TO 110.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 86 TO 91.
SUNDAY
PARTLY SUNNY. HIGHS 101 TO 109.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S.
MONDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 99 TO 107.
CAZ567-182300-
IMPERIAL VALLEY-
INCLUDING THE CITIES OF EL CENTRO, CALEXICO, ALAMORIO, AND BRAWLEY
1156 AM PDT TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TODAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND 5 TO
10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 76 TO 86. SOUTHEAST WIND 5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HOT.
HIGHS 108 TO 113. SOUTHEAST WIND 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 77 TO 87. SOUTHEAST WIND 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 113. SOUTHEAST WIND
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 113.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 110 TO 114.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 80S.
SUNDAY
PARTLY SUNNY AND HOT. HIGHS 108 TO 112.
SUNDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER TO MID 80S.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 106 TO 110.
CAZ566-182300-
IMPERIAL COUNTY WEST-
INCLUDING THE CITIES OF COOLIDGE SPRINGS, SALTON CITY, WINONA,
COYOTE WELLS, OCOTILLO, AND PLASTER CITY
1156 AM PDT TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TODAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. VERY
HOT. HIGHS 110 TO 115. SOUTH WIND 5 TO 10 MPH IN THE MORNING BECOMING
SOUTHEAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLEAR.
LOWS 79 TO 89. SOUTHWEST WIND 5 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. EAST WIND 5 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 80 TO 90. SOUTHEAST WIND 5 TO
15 MPH IN THE EVENING BECOMING WEST 10 TO 15 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 113. NORTHEAST WIND
5 TO 10 MPH IN THE MORNING BECOMING SOUTHEAST 10 TO 15 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 90.
FRIDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 108 TO 112.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 85 TO 90.
SATURDAY
MOSTLY SUNNY AND HOT. HIGHS 110 TO 114.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 84 TO 89.
SUNDAY
MOSTLY SUNNY, OTHERWISE PARTLY CLOUDY WITH 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 10 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS IN THE
EVENING. LOWS 84 TO 89.
MONDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT.
HIGHS 106 TO 110. CHANCE OF RAIN 20 PERCENT.
CAZ562-182300-
IMPERIAL COUNTY SOUTHWEST-
INCLUDING THE CITY OF MOUNTAIN SPRING
1156 AM PDT TUE AUG 18 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY
TODAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. HOT.
HIGHS 109 TO 114. SOUTHEAST WIND 10 TO 15 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLEAR.
BREEZY. LOWS 82 TO 92. SOUTHWEST WIND 10 TO 20 MPH. GUSTS UP TO
30 MPH IN THE EVENING.
WEDNESDAY
SUNNY AND HOT. HIGHS 108 TO 113. NORTHEAST WIND 5 TO
10 MPH IN THE MORNING BECOMING EAST 5 TO 15 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 82 TO 92. SOUTH WIND 5 TO
15 MPH IN THE EVENING BECOMING WEST 10 TO 15 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. NORTH WIND 10 TO
15 MPH IN THE MORNING BECOMING EAST 10 TO 20 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 82 TO 92.
FRIDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 101 TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 91.
SATURDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HOT. HIGHS 102 TO 112.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 80 TO 91.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT.
HIGHS 101 TO 111. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN THE
EVENING. LOWS 80 TO 91.
MONDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS
99 TO 109. CHANCE OF RAIN 20 PERCENT.
CAZ560-561-182300-
JOSHUA TREE NP WEST-JOSHUA TREE NP EAST-
INCLUDING THE CITIES OF COTTONWOOD VISITOR AND LOST HORSE-KEYS
VILLAGE
1156 AM PDT TUE AUG 18 2026
TODAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
HIGHS 99 TO 109. SOUTHWEST WIND 5 TO 15 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 75 TO 85. SOUTHWEST WIND 5 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 98 TO 108. SOUTH WIND 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 75 TO 85. SOUTHWEST WIND 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 97 TO 107. SOUTH WIND 5 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 70 TO 87.
FRIDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 91 TO 107.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 70 TO 86.
SATURDAY
PARTLY SUNNY. HIGHS 91 TO 107.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS IN
THE EVENING. LOWS 69 TO 85.
SUNDAY
PARTLY SUNNY. HIGHS 90 TO 106.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 69 TO 84.
MONDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS
88 TO 104. CHANCE OF RAIN 20 PERCENT.
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