Zone Forecast Product
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
889 FPUS55 KPSR 160551 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 1051 PM MST Sat Aug 15 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>544-546-548-550-551-161100- 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 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... .TONIGHT...Partly cloudy. Lows 80 to 86. West wind around 5 mph. .SUNDAY...Partly sunny. Highs 103 to 108. Southwest wind around 5 mph in the morning becoming west in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 80 to 86. Northwest wind around 5 mph in the evening becoming north after midnight. .MONDAY...Sunny and hot. Highs 106 to 110. East wind around 5 mph in the morning becoming southwest in the afternoon. .MONDAY NIGHT...Mostly clear and warmer. Lows 84 to 91. West wind around 5 mph in the evening becoming east 5 to 10 mph after midnight. .TUESDAY...Mostly sunny and hot. Highs 107 to 112. .TUESDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 84 to 91. .WEDNESDAY...Mostly sunny and hot. Highs 107 to 112. .WEDNESDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 84 to 90. .THURSDAY...Mostly sunny and hot. Highs 107 to 112. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 85 to 92. .FRIDAY...Partly sunny with a 10 percent chance of showers and thunderstorms. Hot. Highs 107 to 112. .FRIDAY NIGHT...Clear with a 10 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows 84 to 91. .SATURDAY...Partly sunny and hot. Highs 107 to 113. $$ AZZ541-549-555-161100- Cave Creek/New River-Fountain Hills/East Mesa- Apache Junction/Gold Canyon- Including the cities of Scottsdale, Fountain Hills, and Apache Junction 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... .TONIGHT...Partly cloudy. Lows 73 to 83. Northwest wind around 5 mph in the evening becoming northeast 5 to 10 mph after midnight. .SUNDAY...Partly sunny. Highs 101 to 106. Southeast wind 5 to 10 mph in the morning becoming west around 5 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 74 to 84. Northwest wind around 5 mph in the evening becoming northeast 5 to 10 mph after midnight. .MONDAY...Mostly sunny and hot. Highs 105 to 110. East wind 5 to 10 mph in the morning becoming southwest around 5 mph in the afternoon. .MONDAY NIGHT...Clear. Lows 77 to 87. Northeast wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 105 to 111. .TUESDAY NIGHT...Mostly clear. Lows 81 to 87. .WEDNESDAY...Mostly sunny and hot. Highs 106 to 110. .WEDNESDAY NIGHT...Partly cloudy. Lows 81 to 87. .THURSDAY...Mostly sunny and hot. Highs 106 to 110. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 81 to 87. .FRIDAY...Partly sunny with a 10 percent chance of showers and thunderstorms. Hot. Highs 106 to 112. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 81 to 87. .SATURDAY...Partly sunny and hot. Highs 106 to 112. $$ AZZ553-554-161100- Northwest Pinal County-West Pinal County- Including the cities of Casa Grande, Cactus Forest, Florence, and Coolidge 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... .TONIGHT...Partly cloudy. Lows 74 to 84. Northwest wind around 5 mph in the evening becoming southwest after midnight. .SUNDAY...Partly sunny. Highs 103 to 108. West wind around 5 mph. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 74 to 84. Northwest wind around 5 mph in the evening becoming light after midnight. .MONDAY...Mostly sunny and hot. Highs 105 to 110. East wind around 5 mph in the morning becoming northwest in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 78 to 88. Northeast wind 5 to 10 mph in the evening becoming southeast after midnight. .TUESDAY...Mostly sunny and hot. Highs 106 to 112. .TUESDAY NIGHT...Partly cloudy. Lows 81 to 88. .WEDNESDAY...Mostly sunny and hot. Highs 106 to 112. .WEDNESDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 81 to 89. .THURSDAY...Mostly sunny and hot. Highs 106 to 112. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 81 to 89. .FRIDAY...Partly sunny and hot. Highs 106 to 112. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 81 to 89. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 106 to 112. $$ AZZ532-161100- Yuma- Including the cities of Yuma and Fortuna Foothills 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... .TONIGHT...Partly cloudy. Lows 83 to 85. Southwest wind 5 to 10 mph. .SUNDAY...Partly cloudy in the morning then becoming mostly sunny. Highs near 108. Light wind in the morning becoming south 5 to 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 84 to 85. Southwest wind around 5 mph in the evening becoming light after midnight. .MONDAY...Sunny and hot. Highs near 111. Northwest wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 86 to 87. Southwest wind 5 to 10 mph in the evening becoming light after midnight. .TUESDAY...Sunny and hot. Highs 110 to 112. .TUESDAY NIGHT...Clear. Lows in the mid to upper 80s. .WEDNESDAY...Sunny and hot. Highs 110 to 112. .WEDNESDAY NIGHT...Clear. Lows in the mid to upper 80s. .THURSDAY...Mostly sunny and hot. Highs 110 to 113. .THURSDAY NIGHT...Mostly clear. Lows in the mid 80s to lower 90s. .FRIDAY...Mostly sunny and hot. Highs 111 to 114. .FRIDAY NIGHT...Mostly clear. Lows in the mid to upper 80s. .SATURDAY...Partly sunny and hot. Highs 110 to 114. $$ AZZ562-161100- Globe/Miami- Including the cities of Globe and Miami 1051 PM MST Sat Aug 15 2026 .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 65 to 75. Northwest wind 5 to 10 mph. .SUNDAY...Partly sunny. Highs 89 to 99. Northwest wind 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 66 to 76. Northwest wind around 5 mph in the evening becoming east 5 to 10 mph after midnight. .MONDAY...Mostly sunny. Highs 91 to 101. Southeast wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 67 to 77. East wind 5 to 10 mph. .TUESDAY...Sunny. Highs 98 to 102. .TUESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows in the mid to upper 70s. .WEDNESDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 98 to 102. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid to upper 70s. .THURSDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 99 to 103. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows in the mid to upper 70s. .FRIDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 100 to 104. .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 99 to 103. $$ AZZ545-547-552-556>558-561-161100- New River Mesa-Rio Verde/Salt River-Superior-Tonto Basin- Mazatzal Mountains-Pinal/Superstition Mountains-Dripping Springs- Including the cities of Tortilla Flat, Superior, Punkin Center, Sunflower, Hayden, and Winkelman 1051 PM MST Sat Aug 15 2026 .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 71 to 81. Northwest wind 5 to 10 mph in the evening becoming north after midnight. .SUNDAY...Partly sunny. Highs 100 to 105. North wind around 5 mph in the morning becoming west 5 to 10 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 72 to 82. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .MONDAY...Mostly sunny. Highs 103 to 108. East wind 5 to 10 mph in the morning becoming southwest in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 75 to 85. East wind 5 to 15 mph. .TUESDAY...Sunny. Highs 92 to 108. .TUESDAY NIGHT...Mostly clear. Lows 70 to 85. .WEDNESDAY...Mostly sunny. Highs 93 to 109. .WEDNESDAY NIGHT...Partly cloudy. Lows 71 to 86. .THURSDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 93 to 109. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 70 to 86. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 94 to 110. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 71 to 86. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 94 to 110. $$ AZZ560-161100- San Carlos- Including the cities of San Carlos and Peridot 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST FRIDAY... .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 65 to 75. Northwest wind 5 to 10 mph. .SUNDAY...Partly sunny. Highs 94 to 104. West wind 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 67 to 77. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .MONDAY...Mostly sunny. Highs 96 to 106. Southeast wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows 69 to 79. East wind 5 to 10 mph. Chance of rain 10 percent. .TUESDAY...Sunny. Highs 100 to 106. .TUESDAY NIGHT...Partly cloudy. Lows near 80. .WEDNESDAY...Mostly sunny. Highs 101 to 107. .WEDNESDAY NIGHT...Partly cloudy. Lows near 80. .THURSDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 102 to 108. .THURSDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows near 80. .FRIDAY...Partly sunny in the morning, then sunny with a 20 percent chance of afternoon showers and thunderstorms. Highs 103 to 109. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows near 80. .SATURDAY...Partly sunny in the morning, then sunny with a 10 percent chance of afternoon showers and thunderstorms. Highs 102 to 108. $$ AZZ563-161100- Southeast Gila County- 1051 PM MST Sat Aug 15 2026 .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 64 to 74. Northwest wind 5 to 10 mph in the evening becoming north after midnight. .SUNDAY...Partly sunny. Highs 87 to 97. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 66 to 76. North wind 5 to 10 mph in the evening becoming east after midnight. .MONDAY...Mostly sunny, otherwise partly cloudy with a slight chance of afternoon showers and thunderstorms. Highs 89 to 99. Southeast wind 5 to 10 mph. Chance of rain 10 percent. .MONDAY NIGHT...Mostly clear. Lows 68 to 78. East wind 10 to 15 mph. .TUESDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 88 to 100. .TUESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 60 to 78. .WEDNESDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 89 to 101. .WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 60 to 78. .THURSDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 90 to 102. .THURSDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 60 to 78. .FRIDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 91 to 103. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 60 to 78. .SATURDAY...Partly sunny in the morning, then sunny with a 10 percent chance of afternoon showers and thunderstorms. Highs 90 to 102. $$ AZZ539-559-161100- Gila Bend-Sonoran Desert Natl Monument- Including the cities of Gila Bend, Sentinel, and Kaka 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... .TONIGHT...Partly cloudy. Lows 76 to 86. Southwest wind around 5 mph. .SUNDAY...Partly sunny. Highs 104 to 109. Light wind in the morning becoming northwest around 5 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 77 to 87. Northwest wind around 5 mph in the evening becoming light after midnight. .MONDAY...Sunny and hot. Highs 107 to 112. East wind around 5 mph in the morning becoming north in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 79 to 89. West wind around 5 mph in the evening becoming south after midnight. .TUESDAY...Sunny and hot. Highs 105 to 113. .TUESDAY NIGHT...Mostly clear. Lows 82 to 89. .WEDNESDAY...Mostly sunny and hot. Highs 105 to 113. .WEDNESDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 83 to 90. .THURSDAY...Partly sunny in the morning, then sunny with a 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 105 to 113. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 82 to 90. .FRIDAY...Partly sunny in the morning, then sunny with a 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 104 to 114. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 82 to 90. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 105 to 113. $$ AZZ534-538-161100- Aguila Valley-Tonopah Desert- Including the cities of Aguila, Gladden, Wickenburg, Arlington, Hassayampa, Tonopah, and Wintersburg 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... .TONIGHT...Partly cloudy. Lows 75 to 85. West wind around 5 mph. .SUNDAY...Partly cloudy. Highs 103 to 108. West wind around 5 mph. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 75 to 85. Northwest wind around 5 mph. .MONDAY...Sunny and hot. Highs 107 to 112. Northeast wind around 5 mph in the morning becoming south in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 78 to 88. West wind around 5 mph in the evening becoming northeast after midnight. .TUESDAY...Mostly sunny and hot. Highs 105 to 113. .TUESDAY NIGHT...Mostly clear. Lows 79 to 87. .WEDNESDAY...Mostly sunny and hot. Highs 104 to 112. .WEDNESDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 80 to 88. .THURSDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 105 to 113. .THURSDAY NIGHT...Clear in the evening, then partly cloudy with a 10 percent chance of showers and thunderstorms after midnight. Lows 81 to 89. .FRIDAY...Partly sunny with a 10 percent chance of showers. Hot. Highs 105 to 113. .FRIDAY NIGHT...Partly cloudy. Lows 81 to 89. .SATURDAY...Partly sunny and hot. Highs 105 to 113. $$ AZZ531-533-161100- Kofa-Central La Paz- Including the cities of Palm Canyon, Brenda, Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, and Salome 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... .TONIGHT...Partly cloudy and warmer. Lows 76 to 86. Southwest wind around 5 mph. .SUNDAY...Considerable cloudiness in the morning then becoming partly sunny. Highs 103 to 108. Northeast wind around 5 mph in the morning becoming southwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 76 to 86. West wind around 5 mph in the evening becoming northeast after midnight. .MONDAY...Sunny and hot. Highs 106 to 111. Northeast wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 79 to 89. Southwest wind 5 to 10 mph in the evening becoming east around 5 mph after midnight. .TUESDAY...Sunny and hot. Highs 104 to 112. .TUESDAY NIGHT...Mostly clear. Lows 79 to 87. .WEDNESDAY...Mostly sunny and hot. Highs 104 to 112. .WEDNESDAY NIGHT...Mostly clear. Lows 81 to 88. .THURSDAY...Mostly sunny and hot. Highs 104 to 112. .THURSDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 81 to 89. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 105 to 113. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 81 to 89. .SATURDAY...Partly sunny and hot. Highs 104 to 112. $$ AZZ535-536-161100- Southeast Yuma County-Gila River Valley- Including the city of Ligurta 1051 PM MST Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM MST FRIDAY... .TONIGHT...Partly cloudy. Lows 76 to 86. Southwest wind 5 to 10 mph in the evening becoming light after midnight. .SUNDAY...Partly sunny. Highs 104 to 109. Light wind in the morning becoming southwest around 5 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 76 to 86. West wind around 5 mph. .MONDAY...Sunny and hot. Highs 107 to 112. Light wind in the morning becoming southwest around 5 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 79 to 89. Southwest wind around 5 mph. .TUESDAY...Sunny and hot. Highs 108 to 114. .TUESDAY NIGHT...Mostly clear. Lows 82 to 87. .WEDNESDAY...Mostly sunny and hot. Highs 107 to 113. .WEDNESDAY NIGHT...Mostly clear. Lows 83 to 88. .THURSDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 108 to 114. .THURSDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 84 to 89. .FRIDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 110 to 114. .FRIDAY NIGHT...Partly cloudy. Lows 84 to 89. .SATURDAY...Partly sunny and hot. Highs 108 to 114. $$ AZZ530-CAZ569-161100- Parker Valley-Palo Verde Valley- Including the cities of Parker, Ehrenberg, Martinez Lake, Blythe, Palo Verde, and Ripley 1051 PM MST Sat Aug 15 2026 /1051 PM PDT Sat Aug 15 2026/ ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MST /10 AM PDT/ MONDAY TO 8 PM MST /8 PM PDT/ FRIDAY... .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 76 to 86. Southwest wind 5 to 10 mph. .SUNDAY...Considerable cloudiness in the morning then becoming mostly sunny. Hot. Highs 105 to 110. North wind around 5 mph in the morning becoming south 5 to 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 76 to 86. West wind 5 to 10 mph. .MONDAY...Sunny and hot. Highs 107 to 112. North wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 79 to 89. Southwest wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 108 to 114. .TUESDAY NIGHT...Clear. Lows 81 to 87. .WEDNESDAY...Mostly sunny and hot. Highs 107 to 113. .WEDNESDAY NIGHT...Mostly clear. Lows 82 to 88. .THURSDAY...Mostly sunny and hot. Highs 107 to 113. .THURSDAY NIGHT...Mostly clear. Lows 83 to 89. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 108 to 114. .FRIDAY NIGHT...Partly cloudy. Lows 83 to 89. .SATURDAY...Partly sunny and hot. Highs 108 to 114. $$ CAZ565-570-161100- Imperial County Southeast-Chuckwalla Valley- Including the cities of Winterhaven and Midland 1051 PM PDT Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Warmer. Lows 78 to 88. Southwest wind 5 to 10 mph in the evening becoming northwest around 5 mph after midnight. .SUNDAY...Partly cloudy in the morning then becoming mostly sunny. Highs 104 to 109. Northwest wind 5 to 10 mph in the morning becoming south in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 79 to 89. Southwest wind around 5 mph in the evening becoming northwest 5 to 10 mph after midnight. .MONDAY...Sunny and hot. Highs 107 to 112. Northwest wind 5 to 10 mph in the morning becoming south in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 80 to 90. Southwest wind 5 to 10 mph in the evening becoming northwest after midnight. .TUESDAY...Sunny and hot. Highs 106 to 113. .TUESDAY NIGHT...Clear. Lows 81 to 89. .WEDNESDAY...Sunny and hot. Highs 105 to 112. .WEDNESDAY NIGHT...Clear. Lows 82 to 90. .THURSDAY...Mostly sunny and hot. Highs 105 to 113. .THURSDAY NIGHT...Clear. Lows 83 to 91. .FRIDAY...Mostly sunny and hot. Highs 106 to 113. .FRIDAY NIGHT...Mostly clear. Lows 84 to 91. .SATURDAY...Partly sunny and hot. Highs 105 to 113. $$ CAZ564-568-161100- Chuckwalla Mountains-Chiriaco Summit- Including the cities of Imperial Hot Mineral Springs and Chiriaco Summit 1051 PM PDT Sat Aug 15 2026 .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 76 to 86. Southwest wind 5 to 10 mph in the evening becoming northwest around 5 mph after midnight. .SUNDAY...Partly cloudy in the morning then becoming mostly sunny. Highs 101 to 106. North wind around 5 mph in the morning becoming south 5 to 10 mph in the afternoon. .SUNDAY NIGHT...Clear. Lows 77 to 87. West wind 5 to 10 mph in the evening becoming northwest after midnight. .MONDAY...Mostly sunny. Highs 104 to 109. North wind 5 to 10 mph in the morning becoming south in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 78 to 88. West wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 99 to 111. .TUESDAY NIGHT...Clear. Lows 78 to 87. .WEDNESDAY...Sunny. Highs 99 to 109. .WEDNESDAY NIGHT...Clear. Lows 78 to 87. .THURSDAY...Mostly sunny. Highs 99 to 109. .THURSDAY NIGHT...Clear. Lows 79 to 88. .FRIDAY...Mostly sunny and hot. Highs 100 to 110. .FRIDAY NIGHT...Mostly clear. Lows 79 to 88. .SATURDAY...Partly sunny and hot. Highs 100 to 110. $$ CAZ563-161100- Salton Sea- Including the city of Desert Shores 1051 PM PDT Sat Aug 15 2026 .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows 79 to 89. West wind 10 to 15 mph. Chance of rain 10 percent. .SUNDAY...Partly sunny in the morning then becoming sunny. Highs 102 to 107. Northwest wind 5 to 10 mph in the morning becoming southeast around 5 mph in the afternoon. .SUNDAY NIGHT...Clear. Lows 80 to 90. Northwest wind 5 to 15 mph. .MONDAY...Sunny. Highs 104 to 109. Northwest wind 10 to 15 mph in the morning becoming south 5 to 10 mph in the afternoon. .MONDAY NIGHT...Clear. Lows 81 to 91. West wind 5 to 15 mph. .TUESDAY...Sunny and hot. Highs 100 to 110. .TUESDAY NIGHT...Clear. Lows 85 to 90. .WEDNESDAY...Sunny. Highs 101 to 109. .WEDNESDAY NIGHT...Clear. Lows in the mid 80s to lower 90s. .THURSDAY...Sunny. Highs 101 to 109. .THURSDAY NIGHT...Clear. Lows 86 to 91. .FRIDAY...Mostly sunny and hot. Highs 101 to 111. .FRIDAY NIGHT...Mostly clear. Lows 87 to 92. .SATURDAY...Mostly sunny and hot. Highs 101 to 111. $$ CAZ567-161100- Imperial Valley- Including the cities of El Centro, Calexico, Alamorio, and Brawley 1051 PM PDT Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows 76 to 86. West wind around 5 mph. Chance of rain 10 percent. .SUNDAY...Partly sunny in the morning then becoming mostly sunny. Hot. Highs 105 to 110. West wind around 5 mph in the morning becoming light in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 76 to 86. West wind 5 to 10 mph. .MONDAY...Sunny and hot. Highs 107 to 112. Northwest wind 5 to 10 mph in the morning becoming southwest around 5 mph in the afternoon. .MONDAY NIGHT...Clear. Lows 77 to 87. West wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 110 to 114. .TUESDAY NIGHT...Clear. Lows in the mid to upper 80s. .WEDNESDAY...Sunny and hot. Highs 109 to 113. .WEDNESDAY NIGHT...Clear. Lows in the mid to upper 80s. .THURSDAY...Sunny and hot. Highs 109 to 113. .THURSDAY NIGHT...Clear. Lows in the mid to upper 80s. .FRIDAY...Mostly sunny and hot. Highs 110 to 114. .FRIDAY NIGHT...Mostly clear. Lows in the mid to upper 80s. .SATURDAY...Mostly sunny and hot. Highs 110 to 114. $$ CAZ566-161100- Imperial County West- Including the cities of Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City 1051 PM PDT Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... .TONIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows 78 to 88. West wind 5 to 15 mph. Chance of rain 10 percent. .SUNDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 106 to 111. West wind 5 to 10 mph in the morning becoming east in the afternoon. .SUNDAY NIGHT...Clear. Lows 79 to 89. West wind 5 to 10 mph. .MONDAY...Sunny and hot. Highs 108 to 113. Northwest wind 5 to 10 mph in the morning becoming southeast in the afternoon. .MONDAY NIGHT...Clear. Lows 80 to 90. West wind 5 to 15 mph. .TUESDAY...Sunny and hot. Highs 110 to 114. .TUESDAY NIGHT...Clear. Lows 84 to 89. .WEDNESDAY...Sunny and hot. Highs 110 to 114. .WEDNESDAY NIGHT...Clear. Lows 85 to 90. .THURSDAY...Sunny and hot. Highs 110 to 114. .THURSDAY NIGHT...Mostly clear. Lows 85 to 90. .FRIDAY...Sunny and very hot. Highs 111 to 115. .FRIDAY NIGHT...Mostly clear. Lows 85 to 90. .SATURDAY...Mostly sunny. Hot. Highs 110 to 114. $$ CAZ562-161100- Imperial County Southwest- Including the city of Mountain Spring 1051 PM PDT Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... .TONIGHT...Mostly cloudy. A slight chance of showers after midnight. Breezy. Lows 79 to 89. Southwest wind 10 to 20 mph. Gusts up to 30 mph in the evening. Chance of rain 10 percent. .SUNDAY...Partly sunny in the morning then becoming sunny. Highs 104 to 109. Southwest wind 10 to 15 mph in the morning becoming east 5 to 10 mph in the afternoon. .SUNDAY NIGHT...Clear. Lows 80 to 90. Southwest wind 10 to 20 mph. .MONDAY...Sunny and hot. Highs 106 to 111. West wind 10 to 15 mph in the morning becoming southeast 5 to 10 mph in the afternoon. .MONDAY NIGHT...Clear and breezy. Lows 81 to 91. Southwest wind 10 to 20 mph. Gusts up to 30 mph in the evening. .TUESDAY...Sunny and hot. Highs 103 to 113. .TUESDAY NIGHT...Clear. Lows 81 to 91. .WEDNESDAY...Sunny and hot. Highs 103 to 113. .WEDNESDAY NIGHT...Clear. Lows 82 to 92. .THURSDAY...Sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 103 to 113. .THURSDAY NIGHT...Mostly clear. Lows 82 to 92. .FRIDAY...Sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 104 to 114. .FRIDAY NIGHT...Mostly clear. Lows 82 to 92. .SATURDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 103 to 113. $$ CAZ560-561-161100- Joshua Tree NP West-Joshua Tree NP East- Including the cities of Cottonwood Visitor and Lost Horse-Keys Village 1051 PM PDT Sat Aug 15 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 74 to 84. Southwest wind 5 to 10 mph in the evening becoming northwest around 5 mph after midnight. .SUNDAY...Partly sunny in the morning then becoming mostly sunny. Highs 94 to 104. North wind 5 to 10 mph in the morning becoming south in the afternoon. .SUNDAY NIGHT...Clear. Lows 75 to 85. Southwest wind 5 to 10 mph in the evening becoming northwest after midnight. .MONDAY...Sunny. Highs 96 to 106. North wind 5 to 10 mph in the morning becoming south 10 to 15 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 76 to 86. West wind 5 to 10 mph. .TUESDAY...Mostly sunny. Highs 92 to 108. .TUESDAY NIGHT...Mostly clear. Lows 69 to 85. .WEDNESDAY...Sunny. Highs 91 to 107. .WEDNESDAY NIGHT...Clear. Lows 69 to 85. .THURSDAY...Sunny. Highs 92 to 108. .THURSDAY NIGHT...Clear. Lows 70 to 87. .FRIDAY...Mostly sunny. Highs 92 to 108. .FRIDAY NIGHT...Mostly clear. Lows 69 to 87. .SATURDAY...Mostly sunny. Highs 92 to 108. $$ Visit us on Facebook, Twitter, and at weather.gov/phoenix