155
FPUS55 KPSR 201846
ZFPPSR
ZONE FORECAST PRODUCT FOR SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1146 AM MST THU AUG 20 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>544-546-548-550-551-202300-
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
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HIGHS
103 TO 107. SOUTHWEST WIND 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WARMER. LOWS 80 TO 87. NORTH WIND 5 TO
15 MPH. CHANCE OF RAIN 10 PERCENT.
FRIDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HOT. HIGHS
107 TO 111. EAST WIND AROUND 5 MPH IN THE MORNING BECOMING WEST 5 TO
10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 89. SOUTHWEST WIND 5 TO
10 MPH IN THE EVENING BECOMING NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 107 TO 111. EAST WIND AROUND 5 MPH IN THE MORNING BECOMING
WEST 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 83 TO 90.
SUNDAY
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS IN THE
MORNING. HOT. HIGHS 106 TO 111.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 88.
MONDAY
PARTLY SUNNY AND HOT. HIGHS 106 TO 111.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 89.
TUESDAY
PARTLY SUNNY AND HOT. HIGHS 109 TO 114.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 91.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114.
AZZ541-549-555-202300-
CAVE CREEK/NEW RIVER-FOUNTAIN HILLS/EAST MESA-
APACHE JUNCTION/GOLD CANYON-
INCLUDING THE CITIES OF SCOTTSDALE, FOUNTAIN HILLS,
AND APACHE JUNCTION
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HIGHS
102 TO 107. SOUTHWEST WIND 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 73 TO 83. NORTHEAST WIND 10 TO
15 MPH. CHANCE OF RAIN 10 PERCENT.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 105 TO 110. EAST WIND 5 TO
10 MPH IN THE MORNING BECOMING WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 75 TO 85. SOUTH WIND 5 TO 10 MPH
IN THE EVENING BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. EAST WIND 5 TO
10 MPH IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS 80 TO 86.
SUNDAY
PARTLY SUNNY AND HOT. HIGHS 104 TO 110.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 79 TO 85.
MONDAY
PARTLY SUNNY AND HOT. HIGHS 106 TO 110.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 79 TO 85.
TUESDAY
PARTLY SUNNY AND HOT. HIGHS 107 TO 113.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 82 TO 88.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 112.
AZZ553-554-202300-
NORTHWEST PINAL COUNTY-WEST PINAL COUNTY-
INCLUDING THE CITIES OF CASA GRANDE, CACTUS FOREST, FLORENCE,
AND COOLIDGE
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HIGHS
103 TO 108. WEST WIND 5 TO 10 MPH.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WARMER. LOWS 74 TO 84. NORTHWEST WIND
5 TO 10 MPH IN THE EVENING BECOMING SOUTHEAST AROUND 5 MPH AFTER
MIDNIGHT. CHANCE OF RAIN 10 PERCENT.
FRIDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 106 TO 111. EAST WIND AROUND 5 MPH IN THE MORNING BECOMING
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 76 TO 86. SOUTHWEST WIND 5 TO
10 MPH IN THE EVENING BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. EAST WIND AROUND
5 MPH IN THE MORNING BECOMING NORTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS 80 TO 88.
SUNDAY
PARTLY CLOUDY AND HOT. HIGHS 105 TO 111.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 79 TO 87.
MONDAY
PARTLY SUNNY AND HOT. HIGHS 105 TO 111.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 79 TO 87.
TUESDAY
PARTLY SUNNY AND HOT. HIGHS 107 TO 113.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 82 TO 89.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 114.
AZZ532-202300-
YUMA-
INCLUDING THE CITIES OF YUMA AND FORTUNA FOOTHILLS
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY. NOT
AS WARM. HIGHS NEAR 103. SOUTH WIND 5 TO 15 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLEAR.
LOWS 82 TO 85. SOUTHWEST WIND 5 TO 15 MPH IN THE EVENING BECOMING
SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
FRIDAY
SUNNY AND HOT. HIGHS NEAR 112. SOUTH WIND 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 86 TO 87. SOUTHWEST WIND 5 TO
10 MPH IN THE EVENING BECOMING LIGHT AFTER MIDNIGHT.
SATURDAY
SUNNY AND HOT. HIGHS NEAR 113. LIGHT WIND IN THE MORNING
BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
SUNDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 111.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
MONDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 111.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
TUESDAY
MOSTLY SUNNY AND HOT. HIGHS 112 TO 114.
TUESDAY NIGHT
CLEAR. LOWS NEAR 90.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 112 TO 114.
AZZ562-202300-
GLOBE/MIAMI-
INCLUDING THE CITIES OF GLOBE AND MIAMI
1146 AM MST THU AUG 20 2026
TODAY
PARTLY SUNNY IN THE MORNING, THEN MOSTLY SUNNY WITH A CHANCE
OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 89 TO 99. NORTHWEST
WIND 5 TO 10 MPH IN THE MORNING BECOMING WEST 10 TO 20 MPH IN THE
AFTERNOON. CHANCE OF RAIN 30 PERCENT.
TONIGHT
CONSIDERABLE CLOUDINESS WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 64 TO 74. NORTHWEST WIND 5 TO 10 MPH. CHANCE OF RAIN 10 PERCENT.
FRIDAY
MOSTLY SUNNY. HIGHS 93 TO 103. NORTH WIND 5 TO 10 MPH IN
THE MORNING BECOMING WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLEAR. LOWS 66 TO 76. WEST WIND 5 TO 10 MPH IN THE EVENING BECOMING
NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 92 TO 102. EAST WIND AROUND 5 MPH IN
THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.
SUNDAY
PARTLY SUNNY. HIGHS 98 TO 102.
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 98 TO 102.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 70S.
TUESDAY
PARTLY SUNNY. HIGHS 100 TO 104.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 70S.
WEDNESDAY
MOSTLY SUNNY. HIGHS 101 TO 105.
AZZ545-547-552-556>558-561-202300-
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
1146 AM MST THU AUG 20 2026
TODAY
PARTLY SUNNY IN THE MORNING, THEN SUNNY WITH A SLIGHT CHANCE
OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 99 TO 104. NORTHWEST
WIND 5 TO 15 MPH. CHANCE OF RAIN 10 PERCENT.
TONIGHT
CONSIDERABLE CLOUDINESS WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 72 TO 82. NORTHEAST WIND 5 TO 15 MPH. CHANCE OF RAIN 10 PERCENT.
FRIDAY
MOSTLY SUNNY AND WARMER. HIGHS 104 TO 109. NORTHEAST WIND
5 TO 10 MPH IN THE MORNING BECOMING WEST 10 TO 15 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 73 TO 83. WEST WIND 5 TO 10 MPH
IN THE EVENING BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 104 TO 109. EAST WIND 5 TO 10 MPH IN
THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 70 TO 85.
SUNDAY
PARTLY SUNNY. HIGHS 92 TO 108.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 69 TO 83.
MONDAY
PARTLY SUNNY. HIGHS 93 TO 109.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 69 TO 83.
TUESDAY
PARTLY SUNNY AND HOT. HIGHS 95 TO 111.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 71 TO 86.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 96 TO 112.
AZZ560-202300-
SAN CARLOS-
INCLUDING THE CITIES OF SAN CARLOS AND PERIDOT
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY SUNNY. A SLIGHT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 95 TO 105. WEST WIND 5 TO 10 MPH IN THE MORNING
INCREASING TO 10 TO 20 MPH IN THE AFTERNOON. CHANCE OF RAIN
20 PERCENT.
TONIGHT
CONSIDERABLE CLOUDINESS WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 66 TO 76. NORTHWEST WIND 5 TO 15 MPH. CHANCE OF RAIN 10 PERCENT.
FRIDAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
HIGHS 97 TO 107. NORTHEAST WIND AROUND 5 MPH IN THE MORNING BECOMING
WEST 5 TO 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 68 TO 78. NORTHWEST WIND 5 TO
10 MPH IN THE EVENING BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS 97 TO 107. EAST WIND 5 TO 10 MPH IN
THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.
SUNDAY
PARTLY SUNNY. HIGHS 101 TO 107.
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 102 TO 108.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 70S.
TUESDAY
PARTLY SUNNY AND HOT. HIGHS 104 TO 110.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS NEAR 80.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HOT.
HIGHS 105 TO 111.
AZZ563-202300-
SOUTHEAST GILA COUNTY-
1146 AM MST THU AUG 20 2026
TODAY
PARTLY CLOUDY. A CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HIGHS 88 TO 98. NORTH WIND AROUND 5 MPH IN THE MORNING
BECOMING WEST 10 TO 15 MPH IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT.
TONIGHT
CONSIDERABLE CLOUDINESS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 65 TO 75. NORTHEAST WIND 5 TO
15 MPH. CHANCE OF RAIN 10 PERCENT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 91 TO
101. EAST WIND 5 TO 10 MPH IN THE MORNING BECOMING SOUTHWEST IN THE
AFTERNOON. CHANCE OF RAIN 10 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 66 TO 76. NORTHEAST WIND 5 TO
10 MPH. CHANCE OF RAIN 10 PERCENT.
SATURDAY
MOSTLY SUNNY, OTHERWISE PARTLY CLOUDY WITH A SLIGHT
CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 91 TO 101. EAST
WIND 5 TO 10 MPH IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
CHANCE OF RAIN 10 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 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 89 TO 101.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 77.
MONDAY
PARTLY SUNNY. HIGHS 89 TO 101.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 77.
TUESDAY
PARTLY SUNNY. HIGHS 91 TO 103.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 78.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HIGHS
92 TO 104.
AZZ539-559-202300-
GILA BEND-SONORAN DESERT NATL MONUMENT-
INCLUDING THE CITIES OF GILA BEND, SENTINEL, AND KAKA
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HIGHS
104 TO 109. EAST WIND AROUND 5 MPH IN THE MORNING BECOMING WEST 5 TO
10 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS 76 TO 86. WEST WIND 5 TO 10 MPH IN THE
EVENING BECOMING SOUTH AFTER MIDNIGHT.
FRIDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 108 TO 113. WEST WIND 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 79 TO 89. SOUTH WIND AROUND 5 MPH. CHANCE OF RAIN
10 PERCENT.
SATURDAY
PARTLY SUNNY AND HOT. HIGHS 109 TO 114. EAST WIND AROUND
5 MPH IN THE MORNING BECOMING NORTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 82 TO 89.
SUNDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN THE
MORNING. HOT. HIGHS 103 TO 111.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 79 TO 87.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. HOT. HIGHS 103 TO 111.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 87.
TUESDAY
PARTLY SUNNY AND VERY HOT. HIGHS 105 TO 115.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 83 TO 89.
WEDNESDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 106 TO 116.
AZZ534-538-202300-
AGUILA VALLEY-TONOPAH DESERT-
INCLUDING THE CITIES OF AGUILA, GLADDEN, WICKENBURG, ARLINGTON,
HASSAYAMPA, TONOPAH, AND WINTERSBURG
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY. HIGHS
103 TO 108. EAST WIND AROUND 5 MPH IN THE MORNING BECOMING WEST 5 TO
10 MPH IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 75 TO 85. NORTH WIND 5 TO 10 MPH.
CHANCE OF RAIN 10 PERCENT.
FRIDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 108 TO 113. NORTHEAST WIND AROUND 5 MPH IN THE MORNING
BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87. WEST WIND 5 TO 10 MPH
IN THE EVENING BECOMING NORTH AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 108 TO 113. EAST WIND AROUND 5 MPH IN THE MORNING BECOMING
SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 80 TO 88.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS IN THE
MORNING. HOT. HIGHS 103 TO 111.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 86.
MONDAY
PARTLY SUNNY AND HOT. HIGHS 103 TO 111.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 79 TO 87.
TUESDAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HOT.
HIGHS 106 TO 114.
TUESDAY NIGHT
CLEAR. LOWS 80 TO 88.
WEDNESDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 107 TO 115.
AZZ531-533-202300-
KOFA-CENTRAL LA PAZ-
INCLUDING THE CITIES OF PALM CANYON, BRENDA, HARCUVAR, QUARTZSITE,
VICKSBURG, VICKSBURG JUNCTION, AND SALOME
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HIGHS 104 TO 109. SOUTHEAST WIND 5 TO 10 MPH IN THE MORNING BECOMING
SOUTHWEST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS 76 TO 86. WEST WIND 10 TO 15 MPH IN
THE EVENING BECOMING EAST 5 TO 10 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. SOUTHEAST WIND
AROUND 5 MPH IN THE MORNING BECOMING SOUTHWEST 5 TO 10 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTHWEST WIND 5 TO
10 MPH IN THE EVENING BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 113. SOUTHEAST WIND
AROUND 5 MPH IN THE MORNING BECOMING SOUTHWEST 5 TO 10 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 80 TO 88.
SUNDAY
PARTLY SUNNY AND HOT. HIGHS 103 TO 111.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 79 TO 87.
MONDAY
PARTLY SUNNY AND HOT. HIGHS 103 TO 111.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 79 TO 87.
TUESDAY
MOSTLY SUNNY AND HOT. HIGHS 105 TO 113.
TUESDAY NIGHT
CLEAR. LOWS 81 TO 89.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 114.
AZZ535-536-202300-
SOUTHEAST YUMA COUNTY-GILA RIVER VALLEY-
INCLUDING THE CITY OF LIGURTA
1146 AM MST THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SUNDAY
TODAY
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. HOT. HIGHS
105 TO 110. SOUTHEAST WIND 5 TO 10 MPH IN THE MORNING BECOMING
SOUTHWEST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS 77 TO 87. SOUTHWEST WIND 5 TO 10 MPH.
FRIDAY
SUNNY AND HOT. HIGHS 108 TO 113. SOUTHWEST WIND 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 88. SOUTHWEST WIND 5 TO
10 MPH.
SATURDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. LIGHT WIND IN THE
MORNING BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 83 TO 88.
SUNDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT.
HIGHS 105 TO 111. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 81 TO 86.
MONDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 111.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 82 TO 87.
TUESDAY
MOSTLY SUNNY AND HOT. HIGHS 110 TO 114.
TUESDAY NIGHT
CLEAR. LOWS 84 TO 89.
WEDNESDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 110 TO 115.
AZZ530-CAZ569-202300-
PARKER VALLEY-PALO VERDE VALLEY-
INCLUDING THE CITIES OF PARKER, EHRENBERG, MARTINEZ LAKE, BLYTHE,
PALO VERDE, AND RIPLEY
1146 AM MST THU AUG 20 2026 /1146 AM PDT THU AUG 20 2026/
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST /8 PM PDT/ SUNDAY
TODAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY.
HOT. HIGHS 105 TO 110. SOUTH WIND 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.
LOWS 77 TO 87. SOUTH WIND 5 TO 15 MPH.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 78 TO 88. SOUTHWEST WIND 5 TO
10 MPH.
SATURDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 110 TO 115. NORTHWEST
WIND AROUND 5 MPH IN THE MORNING BECOMING SOUTHWEST 10 TO 15 MPH IN
THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 82 TO 88.
SUNDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 113.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 81 TO 87.
MONDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 112.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 81 TO 87.
TUESDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 109 TO 115.
TUESDAY NIGHT
CLEAR. LOWS 83 TO 89.
WEDNESDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 110 TO 116.
CAZ565-570-202300-
IMPERIAL COUNTY SOUTHEAST-CHUCKWALLA VALLEY-
INCLUDING THE CITIES OF WINTERHAVEN AND MIDLAND
1146 AM PDT THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SUNDAY
TODAY
PARTLY CLOUDY AND HOT. HIGHS 106 TO 111. SOUTH WIND 5 TO
15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 79 TO 89. SOUTHWEST WIND 5 TO 10 MPH IN
THE EVENING BECOMING SOUTHEAST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 113. SOUTHEAST WIND
AROUND 5 MPH IN THE MORNING BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 80 TO 90. WEST WIND 5 TO 10 MPH.
SATURDAY
SUNNY AND HOT. HIGHS 109 TO 114. NORTHWEST WIND 5 TO
10 MPH IN THE MORNING BECOMING SOUTH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 82 TO 90.
SUNDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 105 TO 113.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 81 TO 89.
MONDAY
MOSTLY SUNNY AND HOT. HIGHS 104 TO 112.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 81 TO 89.
TUESDAY
MOSTLY SUNNY AND HOT. HIGHS 106 TO 114.
TUESDAY NIGHT
CLEAR. LOWS 84 TO 91.
WEDNESDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 107 TO 115.
CAZ564-568-202300-
CHUCKWALLA MOUNTAINS-CHIRIACO SUMMIT-
INCLUDING THE CITIES OF IMPERIAL HOT MINERAL SPRINGS AND CHIRIACO
SUMMIT
1146 AM PDT THU AUG 20 2026
TODAY
PARTLY SUNNY. HIGHS 102 TO 107. SOUTH WIND 5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 76 TO 86. SOUTHWEST WIND 5 TO 10 MPH.
FRIDAY
SUNNY AND HOT. HIGHS 105 TO 110. SOUTH WIND 5 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 77 TO 87. WEST WIND 5 TO 10 MPH.
SATURDAY
SUNNY AND HOT. HIGHS 106 TO 111. NORTH WIND AROUND 5 MPH
IN THE MORNING BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 79 TO 88.
SUNDAY
MOSTLY SUNNY, OTHERWISE PARTLY CLOUDY WITH A SLIGHT CHANCE
OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. HIGHS 99 TO 109. CHANCE OF RAIN 10 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 77 TO 86.
MONDAY
MOSTLY SUNNY. HIGHS 99 TO 109.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 78 TO 88.
TUESDAY
MOSTLY SUNNY AND HOT. HIGHS 101 TO 111.
TUESDAY NIGHT
CLEAR. LOWS 80 TO 89.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 101 TO 113.
CAZ563-202300-
SALTON SEA-
INCLUDING THE CITY OF DESERT SHORES
1146 AM PDT THU AUG 20 2026
TODAY
PARTLY SUNNY. HIGHS 101 TO 106. SOUTHEAST WIND 5 TO 10 MPH.
TONIGHT
CLEAR. LOWS 80 TO 90. SOUTHWEST WIND 10 TO 15 MPH IN THE
EVENING BECOMING NORTHWEST 5 TO 10 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. SOUTHEAST WIND 5 TO
10 MPH.
FRIDAY NIGHT
CLEAR. LOWS 81 TO 91. WEST WIND 5 TO 15 MPH.
SATURDAY
SUNNY AND HOT. HIGHS 107 TO 112. WEST WIND 5 TO 10 MPH IN
THE MORNING BECOMING SOUTH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 86 TO 91.
SUNDAY
MOSTLY SUNNY AND HOT. HIGHS 101 TO 111.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 85 TO 90.
MONDAY
SUNNY AND HOT. HIGHS 100 TO 110.
MONDAY NIGHT
CLEAR. LOWS 86 TO 91.
TUESDAY
SUNNY AND HOT. HIGHS 102 TO 112.
TUESDAY NIGHT
CLEAR. LOWS 87 TO 92.
WEDNESDAY
MOSTLY SUNNY AND HOT. HIGHS 103 TO 113.
CAZ567-202300-
IMPERIAL VALLEY-
INCLUDING THE CITIES OF EL CENTRO, CALEXICO, ALAMORIO, AND BRAWLEY
1146 AM PDT THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SUNDAY
TODAY
PARTLY SUNNY. NOT AS WARM. HIGHS 102 TO 107. SOUTHEAST WIND
5 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 76 TO 86. SOUTH WIND 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. LIGHT WIND IN THE
MORNING BECOMING SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 77 TO 87. WEST WIND 5 TO 10 MPH.
SATURDAY
SUNNY AND VERY HOT. HIGHS 110 TO 115. NORTHWEST WIND
AROUND 5 MPH IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
SUNDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. VERY HOT. HIGHS 109 TO 115.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID TO UPPER 80S.
MONDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 114.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
TUESDAY
SUNNY AND VERY HOT. HIGHS 111 TO 115.
TUESDAY NIGHT
CLEAR. LOWS IN THE MID TO UPPER 80S.
WEDNESDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 112 TO 116.
CAZ566-202300-
IMPERIAL COUNTY WEST-
INCLUDING THE CITIES OF COOLIDGE SPRINGS, SALTON CITY, WINONA,
COYOTE WELLS, OCOTILLO, AND PLASTER CITY
1146 AM PDT THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SUNDAY
TODAY
PARTLY SUNNY. NOT AS WARM. HIGHS 104 TO 109. SOUTHEAST WIND
5 TO 15 MPH.
TONIGHT
CLEAR. LOWS 80 TO 90. WEST WIND 5 TO 15 MPH.
FRIDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 110 TO 115. NORTHWEST WIND
5 TO 10 MPH IN THE MORNING BECOMING SOUTHEAST 10 TO 15 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 79 TO 89. WEST WIND 5 TO 15 MPH.
SATURDAY
SUNNY AND VERY HOT. HIGHS 111 TO 116. WEST WIND 5 TO
10 MPH IN THE MORNING BECOMING SOUTHEAST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.
SUNDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 110 TO 114.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 89.
MONDAY
SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 108 TO 114.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 84 TO 89.
TUESDAY
SUNNY AND VERY HOT. HIGHS 110 TO 116.
TUESDAY NIGHT
CLEAR. LOWS 86 TO 91.
WEDNESDAY
MOSTLY SUNNY AND VERY HOT. HIGHS 111 TO 117.
CAZ562-202300-
IMPERIAL COUNTY SOUTHWEST-
INCLUDING THE CITY OF MOUNTAIN SPRING
1146 AM PDT THU AUG 20 2026
..EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SUNDAY
TODAY
PARTLY SUNNY. NOT AS WARM. HIGHS 102 TO 107. NORTH WIND 5 TO
10 MPH IN THE MORNING BECOMING SOUTHEAST 10 TO 15 MPH IN THE
AFTERNOON.
TONIGHT
MOSTLY CLEAR AND BREEZY. LOWS 82 TO 92. SOUTHWEST WIND
10 TO 20 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
FRIDAY
MOSTLY SUNNY AND HOT. HIGHS 108 TO 113. SOUTH WIND 5 TO
15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR AND BREEZY. LOWS 81 TO 91. WEST WIND
10 TO 20 MPH. GUSTS UP TO 30 MPH.
SATURDAY
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTHWEST WIND
10 TO 15 MPH IN THE MORNING BECOMING SOUTHEAST 5 TO 10 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS 81 TO 91.
SUNDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 103 TO 113.
SUNDAY NIGHT
MOSTLY CLEAR. A 10 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 91.
MONDAY
SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS. HOT. HIGHS 102 TO 112.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 81 TO 91.
TUESDAY
SUNNY AND HOT. HIGHS 104 TO 114.
TUESDAY NIGHT
CLEAR. LOWS 83 TO 93.
WEDNESDAY
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS
AND THUNDERSTORMS. VERY HOT. HIGHS 105 TO 115.
CAZ560-561-202300-
JOSHUA TREE NP WEST-JOSHUA TREE NP EAST-
INCLUDING THE CITIES OF COTTONWOOD VISITOR AND LOST HORSE-KEYS
VILLAGE
1146 AM PDT THU AUG 20 2026
TODAY
PARTLY SUNNY. HIGHS 98 TO 108. SOUTH WIND 10 TO 15 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 75 TO 85. SOUTHWEST WIND 5 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 98 TO 108. SOUTHWEST WIND 5 TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 75 TO 85. WEST WIND 5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS 98 TO 108. NORTHWEST WIND 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 69 TO 85.
SUNDAY
SUNNY. HIGHS 92 TO 108.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 69 TO 85.
MONDAY
SUNNY. HIGHS 91 TO 107.
MONDAY NIGHT
CLEAR. LOWS 69 TO 85.
TUESDAY
MOSTLY SUNNY. HIGHS 93 TO 109.
TUESDAY NIGHT
CLEAR. LOWS 71 TO 86.
WEDNESDAY
MOSTLY SUNNY. HIGHS 93 TO 109.
VISIT US ON FACEBOOK, TWITTER, AND AT WEATHER.GOV/PHOENIX
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page