655  
FPUS55 KPSR 170706  
ZFPPSR  
 
ZONE FORECAST PRODUCT FOR SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA  
NATIONAL WEATHER SERVICE PHOENIX AZ  
1206 AM MST MON AUG 17 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>544-546-548-550-551-171100-  
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  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 81 TO 87. NORTHEAST WIND AROUND 5 MPH.    
MONDAY  
SUNNY AND HOT. HIGHS 107 TO 111. EAST WIND AROUND 5 MPH IN  
THE MORNING BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 83 TO 90. EAST WIND 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 107 TO 111. SOUTHEAST WIND  
5 TO 10 MPH IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 84 TO 90. NORTHWEST WIND AROUND  
5 MPH IN THE EVENING BECOMING WEST 5 TO 10 MPH AFTER MIDNIGHT.    
WEDNESDAY  
SUNNY AND HOT. HIGHS 106 TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 84 TO 91.    
THURSDAY  
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111.    
THURSDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 83 TO 90.    
FRIDAY  
PARTLY SUNNY AND HOT. HIGHS 107 TO 112.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 82 TO 89.    
SATURDAY  
PARTLY SUNNY AND HOT. HIGHS 107 TO 112.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS 83 TO 90.    
SUNDAY  
PARTLY SUNNY. HIGHS 105 TO 110.  
 
 
 
AZZ541-549-555-171100-  
CAVE CREEK/NEW RIVER-FOUNTAIN HILLS/EAST MESA-  
APACHE JUNCTION/GOLD CANYON-  
INCLUDING THE CITIES OF SCOTTSDALE, FOUNTAIN HILLS,  
AND APACHE JUNCTION  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 74 TO 84. NORTHEAST WIND 5 TO 10 MPH.    
MONDAY  
SUNNY AND HOT. HIGHS 106 TO 111. EAST WIND 5 TO 10 MPH IN  
THE MORNING BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 76 TO 86. 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 IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 77 TO 87. NORTHEAST WIND AROUND 5 MPH.    
WEDNESDAY  
SUNNY. HIGHS 105 TO 109.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 87.    
THURSDAY  
SUNNY. HIGHS 105 TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 80 TO 86.    
FRIDAY  
PARTLY SUNNY AND HOT. HIGHS 106 TO 110.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 79 TO 85.    
SATURDAY  
PARTLY SUNNY AND HOT. HIGHS 105 TO 111.    
SATURDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 80 TO 86.    
SUNDAY  
PARTLY SUNNY. HIGHS 103 TO 109.  
 
 
 
AZZ553-554-171100-  
NORTHWEST PINAL COUNTY-WEST PINAL COUNTY-  
INCLUDING THE CITIES OF CASA GRANDE, CACTUS FOREST, FLORENCE,  
AND COOLIDGE  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 75 TO 85. LIGHT WIND.   
MONDAY  
SUNNY AND HOT. HIGHS 107 TO 112. EAST WIND AROUND 5 MPH IN  
THE MORNING BECOMING NORTHWEST IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 77 TO 87. EAST WIND 5 TO 10 MPH.    
TUESDAY  
SUNNY AND HOT. HIGHS 106 TO 111. SOUTHEAST WIND 5 TO  
10 MPH IN THE MORNING BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 77 TO 87. NORTH WIND AROUND 5 MPH IN THE EVENING BECOMING  
SOUTH 5 TO 10 MPH AFTER MIDNIGHT.    
WEDNESDAY  
SUNNY AND HOT. HIGHS 104 TO 110.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 88.    
THURSDAY  
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HOT. HIGHS 104 TO 110.    
THURSDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 79 TO 87.    
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 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 87.    
SUNDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 104 TO 110.  
 
 
 
AZZ532-171100-  
YUMA-  
INCLUDING THE CITIES OF YUMA AND FORTUNA FOOTHILLS  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 84 TO 86. LIGHT WIND.   
MONDAY  
SUNNY AND HOT. HIGHS NEAR 112. LIGHT WIND IN THE MORNING  
BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 86 TO 87. SOUTHWEST WIND 5 TO  
10 MPH IN THE EVENING BECOMING LIGHT AFTER MIDNIGHT.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS NEAR 112. SOUTH WIND 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 85 TO 86. SOUTH WIND 5 TO 15 MPH.   
WEDNESDAY  
SUNNY. HIGHS 108 TO 110.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.    
THURSDAY  
SUNNY AND HOT. HIGHS 109 TO 112.    
THURSDAY NIGHT  
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.  
LOWS IN THE MID TO UPPER 80S.    
FRIDAY  
PARTLY SUNNY AND HOT. HIGHS 110 TO 114.    
FRIDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. 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 AND HOT. HIGHS 108 TO 111.  
 
 
 
AZZ562-171100-  
GLOBE/MIAMI-  
INCLUDING THE CITIES OF GLOBE AND MIAMI  
1206 AM MST MON AUG 17 2026  
   
TONIGHT  
CLEAR. LOWS 66 TO 76. EAST WIND AROUND 5 MPH.    
MONDAY  
SUNNY AND WARMER. HIGHS 94 TO 104. SOUTHEAST WIND 5 TO  
10 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 67 TO 77. SOUTHEAST WIND 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY, OTHERWISE PARTLY CLOUDY WITH A SLIGHT CHANCE  
OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 92 TO 102. SOUTHEAST  
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. NORTHEAST WIND AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HIGHS 98 TO 102.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.    
THURSDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
30 PERCENT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 98 TO  
104.    
THURSDAY NIGHT  
PARTLY CLOUDY. A 20 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 99 TO 103.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 70S.    
SATURDAY  
PARTLY SUNNY IN THE MORNING, THEN SUNNY WITH A 10 PERCENT  
CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 99 TO 103.    
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 97 TO 101.  
 
 
 
AZZ545-547-552-556>558-561-171100-  
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  
1206 AM MST MON AUG 17 2026  
   
TONIGHT  
CLEAR. LOWS 72 TO 82. NORTHEAST WIND 5 TO 10 MPH.    
MONDAY  
SUNNY. HIGHS 104 TO 109. EAST WIND 5 TO 10 MPH IN THE  
MORNING BECOMING SOUTHWEST IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 75 TO 85. EAST WIND 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS 104 TO 109. EAST 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 75 TO 85. NORTHEAST WIND 5 TO 10 MPH.    
WEDNESDAY  
SUNNY. HIGHS 92 TO 108.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 70 TO 85.    
THURSDAY  
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HIGHS 93 TO 109.    
THURSDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 68 TO 84.    
FRIDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HIGHS 93 TO 109.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 68 TO 82.    
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 92 TO 108.  
 
 
 
AZZ560-171100-  
SAN CARLOS-  
INCLUDING THE CITIES OF SAN CARLOS AND PERIDOT  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 68 TO 78. NORTHEAST WIND AROUND 5 MPH.    
MONDAY  
SUNNY. HIGHS 97 TO 107. EAST WIND 5 TO 10 MPH.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 69 TO 79. NORTHEAST WIND 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS 96 TO 106. EAST WIND 5 TO 10 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 69 TO 79. NORTHEAST WIND AROUND  
5 MPH.    
WEDNESDAY  
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HIGHS 101 TO 107.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS NEAR 80.    
THURSDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
30 PERCENT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS  
102 TO 108.    
THURSDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID TO UPPER 70S.    
FRIDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HIGHS 102 TO 108.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID TO UPPER 70S.    
SATURDAY  
PARTLY SUNNY IN THE MORNING THEN BECOMING SUNNY. 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 101 TO 107.  
 
 
 
AZZ563-171100-  
SOUTHEAST GILA COUNTY-  
1206 AM MST MON AUG 17 2026  
   
TONIGHT  
CLEAR. LOWS 67 TO 77. EAST WIND 5 TO 10 MPH.    
MONDAY  
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 10 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 68 TO 78. EAST WIND 5 TO 15 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 10 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 68 TO 78. NORTHEAST WIND 5 TO  
10 MPH.    
WEDNESDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HIGHS 89 TO 101.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 61 TO 79.    
THURSDAY  
PARTLY CLOUDY. A 40 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HIGHS 90 TO 102.    
THURSDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 59 TO 77.    
FRIDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HIGHS 90 TO 102.    
FRIDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 59 TO 77.    
SATURDAY  
PARTLY SUNNY IN THE MORNING, THEN SUNNY WITH A 10 PERCENT  
CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 89 TO 101.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS 60 TO 78.    
SUNDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HIGHS 88 TO 100.  
 
 
 
AZZ539-559-171100-  
GILA BEND-SONORAN DESERT NATL MONUMENT-  
INCLUDING THE CITIES OF GILA BEND, SENTINEL, AND KAKA  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 77 TO 87. LIGHT WIND.   
MONDAY  
SUNNY AND HOT. HIGHS 109 TO 114. EAST WIND AROUND 5 MPH IN  
THE MORNING BECOMING NORTHWEST IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 79 TO 89. NORTHWEST WIND AROUND 5 MPH IN THE EVENING  
BECOMING SOUTH AFTER MIDNIGHT.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 108 TO 113. SOUTH WIND 5 TO  
10 MPH IN THE MORNING BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 79 TO 89. SOUTHWEST WIND 5 TO  
15 MPH.    
WEDNESDAY  
SUNNY AND HOT. HIGHS 104 TO 112.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 81 TO 89.    
THURSDAY  
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HOT. HIGHS 104 TO 112.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS 81 TO 89.    
FRIDAY  
PARTLY SUNNY AND HOT. HIGHS 105 TO 113.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 81 TO 89.    
SATURDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HOT. HIGHS 104 TO 112.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS 81 TO 89.    
SUNDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 103 TO 111.  
 
 
 
AZZ534-538-171100-  
AGUILA VALLEY-TONOPAH DESERT-  
INCLUDING THE CITIES OF AGUILA, GLADDEN, WICKENBURG, ARLINGTON,  
HASSAYAMPA, TONOPAH, AND WINTERSBURG  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 76 TO 86. NORTH WIND 5 TO 10 MPH.    
MONDAY  
SUNNY AND HOT. HIGHS 108 TO 113. EAST WIND AROUND 5 MPH IN  
THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.    
MONDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 77 TO 87. NORTHWEST WIND AROUND 5 MPH IN THE EVENING  
BECOMING NORTHEAST AFTER MIDNIGHT.    
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. LOWS 78 TO 88. SOUTHWEST WIND AROUND  
5 MPH IN THE EVENING INCREASING TO 10 TO 15 MPH AFTER MIDNIGHT.    
WEDNESDAY  
SUNNY AND HOT. HIGHS 103 TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 80 TO 88.    
THURSDAY  
MOSTLY SUNNY AND HOT. HIGHS 104 TO 112.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. 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 79 TO 87.    
SATURDAY  
PARTLY SUNNY AND HOT. HIGHS 104 TO 112.    
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.  
 
 
 
AZZ531-533-171100-  
KOFA-CENTRAL LA PAZ-  
INCLUDING THE CITIES OF PALM CANYON, BRENDA, HARCUVAR, QUARTZSITE,  
VICKSBURG, VICKSBURG JUNCTION, AND SALOME  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 77 TO 87. SOUTHWEST WIND AROUND 5 MPH.    
MONDAY  
MOSTLY SUNNY AND HOT. HIGHS 107 TO 112. NORTHEAST WIND  
AROUND 5 MPH IN THE MORNING BECOMING SOUTHWEST 5 TO 10 MPH IN THE  
AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 78 TO 88. WEST WIND AROUND 5 MPH  
IN THE EVENING BECOMING EAST AFTER MIDNIGHT.    
TUESDAY  
SUNNY AND HOT. HIGHS 108 TO 113. SOUTHEAST WIND AROUND  
5 MPH IN THE MORNING BECOMING SOUTH 5 TO 10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 78 TO 88. SOUTH WIND 5 TO 10 MPH.   
WEDNESDAY  
SUNNY AND HOT. HIGHS 103 TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 80 TO 87.    
THURSDAY  
SUNNY AND HOT. HIGHS 103 TO 111.    
THURSDAY NIGHT  
CLEAR IN THE EVENING, THEN PARTLY CLOUDY WITH A  
10 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. 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 WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 79 TO 87.    
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. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,  
THEN A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HOT.  
HIGHS 102 TO 110. CHANCE OF RAIN 10 PERCENT.  
 
 
 
AZZ535-536-171100-  
SOUTHEAST YUMA COUNTY-GILA RIVER VALLEY-  
INCLUDING THE CITY OF LIGURTA  
1206 AM MST MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 76 TO 86. LIGHT WIND.   
MONDAY  
SUNNY AND HOT. HIGHS 109 TO 114. LIGHT WIND IN THE MORNING  
BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. 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  
MOSTLY CLEAR. LOWS 77 TO 87. SOUTH WIND 5 TO 15 MPH.   
WEDNESDAY  
SUNNY AND HOT. HIGHS 105 TO 111.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 82 TO 87.    
THURSDAY  
SUNNY AND HOT. HIGHS 107 TO 113.    
THURSDAY NIGHT  
CLEAR IN THE EVENING, THEN PARTLY CLOUDY WITH A  
10 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS  
83 TO 88.    
FRIDAY  
PARTLY SUNNY AND HOT. HIGHS 109 TO 113.    
FRIDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 84 TO 89.    
SATURDAY  
PARTLY SUNNY AND 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 AND HOT. HIGHS 107 TO 111.  
 
 
 
AZZ530-CAZ569-171100-  
PARKER VALLEY-PALO VERDE VALLEY-  
INCLUDING THE CITIES OF PARKER, EHRENBERG, MARTINEZ LAKE, BLYTHE,  
PALO VERDE, AND RIPLEY  
1206 AM MST MON AUG 17 2026 /1206 AM PDT MON AUG 17 2026/  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MST /10 AM PDT/ THIS  
MORNING TO 8 PM MST /8 PM PDT/ FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 77 TO 87. SOUTHWEST WIND AROUND 5 MPH.    
MONDAY  
SUNNY AND HOT. HIGHS 108 TO 113. NORTH WIND AROUND 5 MPH IN  
THE MORNING BECOMING SOUTH 5 TO 10 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 79 TO 89. SOUTHWEST WIND 5 TO  
10 MPH.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 77 TO 87. SOUTH WIND 5 TO 10 MPH.   
WEDNESDAY  
SUNNY AND HOT. HIGHS 106 TO 112.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 81 TO 87.    
THURSDAY  
SUNNY AND HOT. HIGHS 107 TO 113.    
THURSDAY NIGHT  
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.  
LOWS 83 TO 89.    
FRIDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 107 TO 113.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 82 TO 88.    
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. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 106 TO 112.  
 
 
 
CAZ565-570-171100-  
IMPERIAL COUNTY SOUTHEAST-CHUCKWALLA VALLEY-  
INCLUDING THE CITIES OF WINTERHAVEN AND MIDLAND  
1206 AM PDT MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 79 TO 89. NORTHWEST WIND AROUND 5 MPH.    
MONDAY  
SUNNY AND HOT. HIGHS 107 TO 112. NORTHWEST WIND 5 TO 10 MPH  
IN THE MORNING BECOMING SOUTH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 80 TO 90. WEST WIND 5 TO 10 MPH  
IN THE EVENING BECOMING NORTHWEST AFTER MIDNIGHT.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND 5 TO  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 80 TO 90. SOUTH WIND 5 TO 10 MPH.    
WEDNESDAY  
SUNNY AND HOT. HIGHS 104 TO 112.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 81 TO 89.    
THURSDAY  
SUNNY AND HOT. HIGHS 104 TO 112.    
THURSDAY NIGHT  
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.  
LOWS 82 TO 90.    
FRIDAY  
PARTLY SUNNY AND HOT. HIGHS 105 TO 112.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 83 TO 90.    
SATURDAY  
PARTLY SUNNY AND HOT. HIGHS 105 TO 112.    
SATURDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 83 TO 90.    
SUNDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 103 TO 111.  
 
 
 
CAZ564-568-171100-  
CHUCKWALLA MOUNTAINS-CHIRIACO SUMMIT-  
INCLUDING THE CITIES OF IMPERIAL HOT MINERAL SPRINGS AND CHIRIACO  
SUMMIT  
1206 AM PDT MON AUG 17 2026  
   
TONIGHT  
CLEAR. LOWS 77 TO 87. NORTHWEST WIND AROUND 5 MPH.    
MONDAY  
SUNNY AND HOT. HIGHS 105 TO 110. NORTH WIND AROUND 5 MPH IN  
THE MORNING BECOMING SOUTH 5 TO 10 MPH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 78 TO 88. WEST WIND 5 TO 10 MPH  
IN THE EVENING BECOMING NORTHWEST AROUND 5 MPH AFTER MIDNIGHT.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 105 TO 110. EAST WIND AROUND  
5 MPH IN THE MORNING BECOMING SOUTH 5 TO 10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 77 TO 87. SOUTH WIND 5 TO  
10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 99 TO 109.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 78 TO 87.    
THURSDAY  
SUNNY. HIGHS 99 TO 109.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 79 TO 88.    
FRIDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HIGHS 99 TO 109.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 79 TO 88.    
SATURDAY  
PARTLY SUNNY. HIGHS 99 TO 109.    
SATURDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 78 TO 88.    
SUNDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HIGHS 98 TO 108.  
 
 
 
CAZ563-171100-  
SALTON SEA-  
INCLUDING THE CITY OF DESERT SHORES  
1206 AM PDT MON AUG 17 2026  
   
TONIGHT  
CLEAR. LOWS 80 TO 90. NORTHWEST WIND 10 TO 15 MPH.    
MONDAY  
MOSTLY SUNNY AND HOT. HIGHS 105 TO 110. NORTHWEST WIND  
10 TO 15 MPH IN THE MORNING BECOMING SOUTHEAST 5 TO 10 MPH IN THE  
AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 81 TO 91. NORTHWEST WIND 5 TO  
15 MPH.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 106 TO 111. SOUTHEAST WIND  
5 TO 10 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 81 TO 91. SOUTHWEST WIND 5 TO 10 MPH IN THE EVENING  
BECOMING NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 101 TO 109.    
WEDNESDAY NIGHT  
CLEAR. LOWS IN THE MID 80S TO LOWER 90S.    
THURSDAY  
SUNNY. HIGHS 101 TO 109.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS NEAR 90.    
FRIDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS 101 TO 109.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 85 TO 91.    
SATURDAY  
PARTLY SUNNY. HIGHS 101 TO 109.    
SATURDAY NIGHT  
MOSTLY CLEAR. A 10 PERCENT CHANCE OF SHOWERS IN THE  
EVENING. LOWS 86 TO 91.    
SUNDAY  
PARTLY SUNNY. HIGHS 100 TO 108.  
 
 
 
CAZ567-171100-  
IMPERIAL VALLEY-  
INCLUDING THE CITIES OF EL CENTRO, CALEXICO, ALAMORIO, AND BRAWLEY  
1206 AM PDT MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 76 TO 86. NORTHWEST WIND AROUND 5 MPH.    
MONDAY  
SUNNY AND HOT. HIGHS 108 TO 113. NORTHWEST WIND AROUND  
5 MPH IN THE MORNING BECOMING SOUTHWEST IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 77 TO 87. NORTHWEST WIND 5 TO  
10 MPH.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND AROUND  
5 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 77 TO 87. SOUTH WIND AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY AND HOT. HIGHS 108 TO 112.    
WEDNESDAY NIGHT  
CLEAR. LOWS IN THE MID TO UPPER 80S.    
THURSDAY  
SUNNY AND HOT. HIGHS 109 TO 113.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 80S.    
FRIDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. 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. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 108 TO 112.  
 
 
 
CAZ566-171100-  
IMPERIAL COUNTY WEST-  
INCLUDING THE CITIES OF COOLIDGE SPRINGS, SALTON CITY, WINONA,  
COYOTE WELLS, OCOTILLO, AND PLASTER CITY  
1206 AM PDT MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 79 TO 89. WEST WIND 5 TO 10 MPH.    
MONDAY  
SUNNY AND HOT. HIGHS 108 TO 113. NORTHWEST WIND 5 TO 10 MPH  
IN THE MORNING BECOMING EAST IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLEAR. LOWS 80 TO 90. WEST WIND 5 TO 15 MPH.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND 5 TO  
10 MPH IN THE MORNING BECOMING SOUTHEAST IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 80 TO 90. SOUTHWEST WIND 5 TO  
10 MPH.    
WEDNESDAY  
MOSTLY SUNNY AND HOT. HIGHS 109 TO 113.    
WEDNESDAY NIGHT  
CLEAR. LOWS 85 TO 90.    
THURSDAY  
SUNNY AND HOT. HIGHS 109 TO 113.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 86 TO 91.    
FRIDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 109 TO 113.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 85 TO 90.    
SATURDAY  
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HOT. HIGHS 109 TO 113.    
SATURDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. LOWS 84 TO 89.    
SUNDAY  
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 108 TO 112.  
 
 
 
CAZ562-171100-  
IMPERIAL COUNTY SOUTHWEST-  
INCLUDING THE CITY OF MOUNTAIN SPRING  
1206 AM PDT MON AUG 17 2026  
 
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT  
FRIDAY...  
   
TONIGHT  
CLEAR. LOWS 80 TO 90. SOUTHWEST WIND 10 TO 20 MPH.    
MONDAY  
MOSTLY SUNNY AND HOT. HIGHS 108 TO 113. WEST WIND 10 TO  
15 MPH IN THE MORNING BECOMING SOUTHEAST 5 TO 10 MPH IN THE  
AFTERNOON.    
MONDAY NIGHT  
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.    
TUESDAY  
MOSTLY SUNNY AND HOT. HIGHS 109 TO 114. SOUTH WIND 5 TO  
15 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 82 TO 92. SOUTHWEST WIND 10 TO 15 MPH.    
WEDNESDAY  
MOSTLY SUNNY AND HOT. HIGHS 102 TO 112.    
WEDNESDAY NIGHT  
CLEAR. LOWS 83 TO 93.    
THURSDAY  
SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 102 TO 112.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 83 TO 93.    
FRIDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 102 TO 112.    
FRIDAY NIGHT  
PARTLY CLOUDY. 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 20 PERCENT CHANCE OF SHOWERS IN  
THE EVENING. LOWS 81 TO 91.    
SUNDAY  
MOSTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HOT. HIGHS 101 TO 111.  
 
 
 
CAZ560-561-171100-  
JOSHUA TREE NP WEST-JOSHUA TREE NP EAST-  
INCLUDING THE CITIES OF COTTONWOOD VISITOR AND LOST HORSE-KEYS  
VILLAGE  
1206 AM PDT MON AUG 17 2026  
   
TONIGHT  
CLEAR. LOWS 75 TO 85. WEST WIND 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY. HIGHS 97 TO 107. NORTHWEST WIND 5 TO 10 MPH  
IN THE MORNING BECOMING SOUTH IN THE AFTERNOON.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 75 TO 85. WEST WIND 5 TO 10 MPH.    
TUESDAY  
MOSTLY SUNNY. HIGHS 98 TO 108. NORTHWEST WIND 5 TO 10 MPH  
IN THE MORNING BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 76 TO 86. SOUTHWEST WIND 5 TO  
10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 91 TO 107.    
WEDNESDAY NIGHT  
CLEAR. LOWS 70 TO 86.    
THURSDAY  
SUNNY. HIGHS 91 TO 107.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 70 TO 86.    
FRIDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HIGHS 92 TO 106.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 70 TO 86.    
SATURDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. HIGHS 91 TO 107.    
SATURDAY NIGHT  
PARTLY CLOUDY. A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS 69 TO 86.    
SUNDAY  
PARTLY SUNNY. A 10 PERCENT CHANCE OF AFTERNOON SHOWERS AND  
THUNDERSTORMS. HIGHS 90 TO 106.  
 
 
 
VISIT US ON FACEBOOK, TWITTER, AND AT WEATHER.GOV/PHOENIX  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab AZ Page
The Nexlab CA Page
Main Text Page