Zone Forecast Product
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
995 FPUS55 KPSR 171851 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 1151 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>544-546-548-550-551-172300- 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 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Sunny and hot. Highs 107 to 111. East wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TONIGHT...Mostly clear. Lows 83 to 90. Southwest wind 5 to 10 mph in the evening becoming east after midnight. .TUESDAY...Mostly sunny and hot. Highs 106 to 111. Southeast wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 83 to 90. West wind 10 to 15 mph. .WEDNESDAY...Sunny and hot. Highs 106 to 110. Southwest wind 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 84 to 90. .THURSDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 106 to 111. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 83 to 89. .FRIDAY...Partly sunny and hot. Highs 107 to 112. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 83 to 90. .SATURDAY...Partly sunny. Hot. Highs 106 to 111. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 84 to 91. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Hot. Highs 105 to 111. $$ AZZ541-549-555-172300- Cave Creek/New River-Fountain Hills/East Mesa- Apache Junction/Gold Canyon- Including the cities of Scottsdale, Fountain Hills, and Apache Junction 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Sunny and hot. Highs 106 to 111. East wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TONIGHT...Clear. Lows 77 to 87. East wind 10 to 15 mph. .TUESDAY...Sunny. Highs 104 to 109. Southeast wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 78 to 88. East wind 5 to 15 mph. .WEDNESDAY...Sunny. Highs 104 to 109. South wind 5 to 10 mph in the morning becoming west in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 81 to 87. .THURSDAY...Mostly sunny. Highs 105 to 109. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 80 to 86. .FRIDAY...Partly sunny and hot. Highs 105 to 110. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 80 to 86. .SATURDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Hot. Highs 105 to 111. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 80 to 86. .SUNDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 103 to 109. $$ AZZ553-554-172300- Northwest Pinal County-West Pinal County- Including the cities of Casa Grande, Cactus Forest, Florence, and Coolidge 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Sunny and hot. Highs 107 to 112. East wind around 5 mph in the morning becoming northwest 5 to 10 mph in the afternoon. .TONIGHT...Mostly clear. Lows 77 to 87. East wind 5 to 15 mph. .TUESDAY...Mostly 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. .TUESDAY NIGHT...Partly cloudy. Lows 77 to 87. North wind 5 to 10 mph in the evening becoming south 10 to 15 mph after midnight. .WEDNESDAY...Sunny and hot. Highs 105 to 110. West wind 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 81 to 88. .THURSDAY...Mostly sunny and hot. Highs 104 to 110. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. 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 87. .SATURDAY...Partly sunny and hot. Highs 105 to 111. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 80 to 87. .SUNDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Hot. Highs 104 to 110. $$ AZZ532-172300- Yuma- Including the cities of Yuma and Fortuna Foothills 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Sunny and hot. Highs near 112. Northwest wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .TONIGHT...Mostly clear. Lows 85 to 86. South wind 5 to 15 mph. .TUESDAY...Mostly sunny and hot. Highs near 111. South wind 5 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows 84 to 86. South wind 10 to 20 mph. .WEDNESDAY...Sunny. Highs near 109. South wind 10 to 20 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid to upper 80s. .THURSDAY...Mostly sunny and hot. Highs 109 to 111. .THURSDAY NIGHT...Clear in the evening, then partly cloudy with a 20 percent chance of showers and thunderstorms after midnight. Lows in the mid to upper 80s. .FRIDAY...Partly sunny. A 20 percent chance of showers and thunderstorms in the morning. Hot. Highs 111 to 113. .FRIDAY NIGHT...Partly cloudy. Lows in the mid to upper 80s. .SATURDAY...Partly sunny and hot. Highs 110 to 114. .SATURDAY NIGHT...Partly cloudy. Lows in the mid to upper 80s. .SUNDAY...Partly sunny and hot. Highs 110 to 112. $$ AZZ562-172300- Globe/Miami- Including the cities of Globe and Miami 1151 AM MST Mon Aug 17 2026 .TODAY...Mostly sunny, otherwise partly cloudy with a slight chance of afternoon showers and thunderstorms. Warmer. Highs 94 to 104. East wind 5 to 10 mph. Chance of rain 10 percent. .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows 67 to 77. Southeast wind 5 to 15 mph. Chance of rain 10 percent. .TUESDAY...Mostly sunny. Highs 92 to 102. Southeast wind 5 to 10 mph in the morning increasing to 10 to 20 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 68 to 78. North wind 5 to 15 mph. .WEDNESDAY...Mostly sunny, otherwise partly cloudy with a slight chance of afternoon showers and thunderstorms. Highs 92 to 102. Northwest wind 5 to 15 mph. Chance of rain 10 percent. .WEDNESDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the mid to upper 70s. .THURSDAY...Partly cloudy. A 30 percent chance of afternoon showers and thunderstorms. Highs 98 to 102. .THURSDAY NIGHT...Considerable cloudiness. 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 to upper 70s. .SATURDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 99 to 103. .SATURDAY NIGHT...Partly cloudy. A 30 percent chance of showers and thunderstorms in the evening. Lows in the mid to upper 70s. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 97 to 101. $$ AZZ545-547-552-556>558-561-172300- New River Mesa-Rio Verde/Salt River-Superior-Tonto Basin- Mazatzal Mountains-Pinal/Superstition Mountains-Dripping Springs- Including the cities of Tortilla Flat, Superior, Punkin Center, Sunflower, Hayden, and Winkelman 1151 AM MST Mon Aug 17 2026 .TODAY...Sunny. Highs 104 to 109. East wind 5 to 10 mph in the morning becoming southwest 10 to 15 mph in the afternoon. .TONIGHT...Mostly clear. Lows 75 to 85. East wind 5 to 15 mph. .TUESDAY...Mostly sunny. Highs 104 to 109. Southeast wind 5 to 10 mph in the morning becoming southwest 10 to 15 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 75 to 85. Northeast wind 5 to 15 mph. .WEDNESDAY...Mostly sunny, otherwise partly cloudy with a slight chance of afternoon showers and thunderstorms. Highs 103 to 108. South wind 5 to 10 mph in the morning becoming west 10 to 15 mph in the afternoon. Chance of rain 10 percent. .WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 69 to 85. .THURSDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 92 to 108. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 69 to 84. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 93 to 109. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 69 to 84. .SATURDAY...Partly sunny. A slight chance of showers in the morning, then a slight chance of afternoon showers and thunderstorms. Highs 93 to 109. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 69 to 84. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 92 to 108. $$ AZZ560-172300- San Carlos- Including the cities of San Carlos and Peridot 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST FRIDAY... .TODAY...Sunny in the morning, then partly sunny with a slight chance of afternoon showers and thunderstorms. Highs 97 to 107. East wind 10 to 20 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows 69 to 79. Northeast wind 5 to 15 mph. Chance of rain 10 percent. .TUESDAY...Mostly sunny in the morning then becoming partly sunny. Highs 96 to 106. East wind 5 to 15 mph. .TUESDAY NIGHT...Considerable cloudiness in the evening then becoming partly cloudy. Lows 70 to 80. North wind 5 to 15 mph. .WEDNESDAY...Mostly sunny in the morning, then partly sunny with a slight chance of afternoon showers and thunderstorms. Highs 97 to 107. West wind 5 to 15 mph. Chance of rain 10 percent. .WEDNESDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows near 80. .THURSDAY...Partly cloudy. A 40 percent chance of afternoon showers and thunderstorms. Highs 101 to 107. .THURSDAY NIGHT...Considerable cloudiness. 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 sunny with a 10 percent chance of afternoon showers and thunderstorms. Highs 102 to 108. .SATURDAY NIGHT...Partly cloudy. A 30 percent chance of showers and thunderstorms in the evening. Lows in the mid to upper 70s. .SUNDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 100 to 106. $$ AZZ563-172300- Southeast Gila County- 1151 AM MST Mon Aug 17 2026 .TODAY...Sunny in the morning, then partly sunny with a slight chance of afternoon showers and thunderstorms. Highs 90 to 100. Southeast wind 5 to 15 mph. Chance of rain 10 percent. .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows 68 to 78. East wind 5 to 15 mph. Chance of rain 10 percent. .TUESDAY...Mostly sunny in the morning, then partly sunny with a slight chance of afternoon showers and thunderstorms. Highs 90 to 100. Southeast wind 5 to 15 mph. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows 68 to 78. Northeast wind 5 to 15 mph. .WEDNESDAY...Mostly sunny in the morning, then partly sunny with a slight chance of afternoon showers and thunderstorms. Highs 91 to 101. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 60 to 78. .THURSDAY...Partly sunny in the morning, then considerable cloudiness with a 40 percent chance of afternoon showers and thunderstorms. Highs 89 to 101. .THURSDAY NIGHT...Considerable cloudiness. A 20 percent chance of showers and thunderstorms in the evening. Lows 59 to 77. .FRIDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 89 to 101. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 59 to 77. .SATURDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 89 to 101. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 60 to 78. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 88 to 100. $$ AZZ539-559-172300- Gila Bend-Sonoran Desert Natl Monument- Including the cities of Gila Bend, Sentinel, and Kaka 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Sunny and hot. Highs 109 to 114. East wind around 5 mph in the morning becoming northwest 5 to 10 mph in the afternoon. .TONIGHT...Mostly clear. Lows 79 to 89. West wind 5 to 10 mph in the evening becoming south 10 to 15 mph after midnight. .TUESDAY...Mostly sunny and hot. Highs 108 to 113. Southwest wind 10 to 15 mph in the morning becoming northwest 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 79 to 89. Southwest wind 10 to 15 mph. .WEDNESDAY...Sunny and hot. Highs 106 to 111. Southwest wind 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 80 to 88. .THURSDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 104 to 112. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 80 to 88. .FRIDAY...Partly sunny and hot. Highs 103 to 113. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 81 to 89. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 103 to 113. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 81 to 89. .SUNDAY...Partly sunny with a 10 percent chance of showers and thunderstorms. Hot. Highs 103 to 113. $$ AZZ534-538-172300- Aguila Valley-Tonopah Desert- Including the cities of Aguila, Gladden, Wickenburg, Arlington, Hassayampa, Tonopah, and Wintersburg 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Sunny and hot. Highs 108 to 113. East wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TONIGHT...Mostly clear. Lows 77 to 87. West wind 5 to 10 mph in the evening becoming northeast after midnight. .TUESDAY...Mostly sunny and hot. Highs 107 to 112. South wind 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 77 to 87. Southwest wind 10 to 15 mph. .WEDNESDAY...Sunny and hot. Highs 106 to 111. Southwest wind 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 80 to 88. .THURSDAY...Mostly sunny and hot. Highs 104 to 112. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 79 to 87. .FRIDAY...Partly cloudy in the morning then becoming mostly sunny. Hot. Highs 104 to 112. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 80 to 88. .SATURDAY...Partly sunny and hot. Highs 104 to 112. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms after midnight. Lows 80 to 88. .SUNDAY...Partly sunny and hot. Highs 103 to 111. $$ AZZ531-533-172300- Kofa-Central La Paz- Including the cities of Palm Canyon, Brenda, Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, and Salome 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Sunny and hot. Highs 107 to 112. East wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .TONIGHT...Mostly clear. Lows 78 to 88. Southwest wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 108 to 113. South wind 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 77 to 87. Southwest wind 5 to 10 mph. .WEDNESDAY...Sunny and hot. Highs 106 to 111. South wind 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 79 to 87. .THURSDAY...Mostly sunny and hot. Highs 103 to 111. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 80 to 88. .FRIDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. 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. Hot. Highs 104 to 112. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 80 to 88. .SUNDAY...Partly sunny with a 10 percent chance of showers and thunderstorms. Hot. Highs 103 to 111. $$ AZZ535-536-172300- Southeast Yuma County-Gila River Valley- Including the city of Ligurta 1151 AM MST Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST FRIDAY... .TODAY...Sunny and hot. Highs 109 to 114. East wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .TONIGHT...Mostly clear. Lows 79 to 89. Southwest wind 5 to 15 mph. .TUESDAY...Mostly sunny and hot. Highs 108 to 113. South wind 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Lows 77 to 87. South wind 10 to 15 mph. .WEDNESDAY...Sunny and hot. Highs 106 to 111. South wind 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 81 to 86. .THURSDAY...Mostly sunny and hot. Highs 106 to 112. .THURSDAY NIGHT...Clear in the evening then becoming partly cloudy. A 20 percent chance of showers and thunderstorms. Lows 82 to 87. .FRIDAY...Partly cloudy in the morning then becoming mostly sunny. A 10 percent chance of showers. Hot. Highs 109 to 113. .FRIDAY NIGHT...Clear in the evening, then partly cloudy with a 20 percent chance of showers after midnight. Lows 84 to 89. .SATURDAY...Partly sunny. A 20 percent chance of showers in the morning. Hot. Highs 109 to 113. .SATURDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 84 to 89. .SUNDAY...Partly sunny and hot. Highs 106 to 112. $$ AZZ530-CAZ569-172300- Parker Valley-Palo Verde Valley- Including the cities of Parker, Ehrenberg, Martinez Lake, Blythe, Palo Verde, and Ripley 1151 AM MST Mon Aug 17 2026 /1151 AM PDT Mon Aug 17 2026/ ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST /8 PM PDT/ FRIDAY... .TODAY...Sunny and hot. Highs 108 to 113. Northwest wind around 5 mph in the morning becoming southwest 10 to 15 mph in the afternoon. .TONIGHT...Mostly clear. Lows 78 to 88. Southwest wind 5 to 15 mph. .TUESDAY...Mostly sunny and hot. Highs 109 to 114. South wind 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 77 to 87. South wind 5 to 15 mph. .WEDNESDAY...Sunny and hot. Highs 107 to 112. South wind 5 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 81 to 87. .THURSDAY...Sunny and hot. Highs 107 to 113. .THURSDAY NIGHT...Clear in the evening, then partly cloudy with a 20 percent chance of showers and thunderstorms after midnight. Lows 82 to 88. .FRIDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Hot. Highs 107 to 113. .FRIDAY NIGHT...Partly cloudy. Lows 83 to 89. .SATURDAY...Partly sunny and hot. Highs 108 to 114. .SATURDAY NIGHT...Partly cloudy. Lows 83 to 89. .SUNDAY...Partly sunny and hot. Highs 107 to 113. $$ CAZ565-570-172300- Imperial County Southeast-Chuckwalla Valley- Including the cities of Winterhaven and Midland 1151 AM PDT Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY... .TODAY...Sunny and hot. Highs 107 to 112. Northwest wind 5 to 10 mph in the morning becoming south 10 to 15 mph in the afternoon. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 80 to 90. Southwest wind 10 to 15 mph in the evening becoming northwest 5 to 10 mph after midnight. .TUESDAY...Mostly sunny and hot. Highs 109 to 114. South wind 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 79 to 89. South wind 5 to 15 mph. .WEDNESDAY...Sunny and hot. Highs 107 to 112. South wind 5 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 81 to 89. .THURSDAY...Mostly sunny and hot. Highs 105 to 112. .THURSDAY NIGHT...Clear in the evening, then partly cloudy with a 20 percent chance of showers and thunderstorms after midnight. Lows 82 to 90. .FRIDAY...Partly sunny. A slight chance of showers in the morning. Hot. Highs 105 to 113. Chance of rain 10 percent. .FRIDAY NIGHT...Partly cloudy. Lows 82 to 90. .SATURDAY...Partly sunny and hot. Highs 105 to 113. .SATURDAY NIGHT...Mostly clear. Lows 82 to 90. .SUNDAY...Partly sunny and hot. Highs 104 to 112. $$ CAZ564-568-172300- Chuckwalla Mountains-Chiriaco Summit- Including the cities of Imperial Hot Mineral Springs and Chiriaco Summit 1151 AM PDT Mon Aug 17 2026 .TODAY...Sunny and hot. Highs 105 to 110. North wind 5 to 10 mph in the morning becoming south in the afternoon. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 78 to 88. Southwest wind 5 to 10 mph in the evening becoming northwest after midnight. .TUESDAY...Mostly sunny and hot. Highs 105 to 110. Southeast wind 5 to 10 mph in the morning becoming south 10 to 15 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 77 to 87. South wind 10 to 15 mph. .WEDNESDAY...Sunny. Highs 104 to 109. South wind 5 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 77 to 86. .THURSDAY...Mostly sunny. Highs 99 to 109. .THURSDAY NIGHT...Mostly clear. Lows 78 to 87. .FRIDAY...Partly sunny. A 20 percent chance of showers in the morning. Hot. Highs 98 to 110. .FRIDAY NIGHT...Mostly clear. Lows 79 to 88. .SATURDAY...Partly sunny and hot. Highs 99 to 111. .SATURDAY NIGHT...Mostly clear. Lows 79 to 88. .SUNDAY...Partly sunny and hot. Highs 98 to 110. $$ CAZ563-172300- Salton Sea- Including the city of Desert Shores 1151 AM PDT Mon Aug 17 2026 .TODAY...Sunny and hot. Highs 105 to 110. Northwest wind 10 to 15 mph in the morning becoming southeast 5 to 10 mph in the afternoon. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 81 to 91. West wind 10 to 20 mph. .TUESDAY...Mostly sunny and hot. Highs 106 to 111. Southeast wind 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 80 to 90. West wind 10 to 15 mph in the evening becoming southeast after midnight. .WEDNESDAY...Sunny. Highs 104 to 109. Southeast wind 5 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 86 to 91. .THURSDAY...Mostly sunny. Highs 101 to 109. .THURSDAY NIGHT...Mostly clear. Lows 86 to 91. .FRIDAY...Partly sunny. Highs 101 to 109. .FRIDAY NIGHT...Mostly clear. Lows 87 to 92. .SATURDAY...Partly sunny and hot. Highs 102 to 110. .SATURDAY NIGHT...Mostly clear. Lows 87 to 92. .SUNDAY...Mostly sunny. Highs 101 to 109. $$ CAZ567-172300- Imperial Valley- Including the cities of El Centro, Calexico, Alamorio, and Brawley 1151 AM PDT Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY... .TODAY...Sunny and hot. Highs 108 to 113. West wind around 5 mph. .TONIGHT...Mostly clear. Lows 77 to 87. West wind 5 to 15 mph. .TUESDAY...Mostly sunny and hot. Highs 109 to 114. Southeast wind 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 76 to 86. South wind 5 to 10 mph. .WEDNESDAY...Mostly sunny and hot. Highs 108 to 113. Southeast wind 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid to upper 80s. .THURSDAY...Mostly sunny and hot. Highs 109 to 113. .THURSDAY NIGHT...Mostly clear. Lows in the mid to upper 80s. .FRIDAY...Partly 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...Mostly clear. Lows in the mid to upper 80s. .SUNDAY...Mostly sunny and hot. Highs 109 to 113. $$ CAZ566-172300- Imperial County West- Including the cities of Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City 1151 AM PDT Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY... .TODAY...Sunny and hot. Highs 108 to 113. Northwest wind 5 to 10 mph in the morning becoming east in the afternoon. .TONIGHT...Mostly clear. Lows 80 to 90. West wind 10 to 20 mph. .TUESDAY...Mostly sunny and hot. Highs 109 to 114. Southeast wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 79 to 89. Southwest wind 5 to 15 mph. .WEDNESDAY...Sunny and hot. Highs 108 to 113. East wind 5 to 15 mph. .WEDNESDAY NIGHT...Clear. Lows 86 to 91. .THURSDAY...Sunny and hot. Highs 109 to 113. .THURSDAY NIGHT...Mostly clear. Lows 85 to 90. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 109 to 113. .FRIDAY NIGHT...Mostly clear. Lows 85 to 90. .SATURDAY...Mostly sunny and hot. Highs 109 to 113. .SATURDAY NIGHT...Mostly clear. Lows 85 to 90. .SUNDAY...Mostly sunny and hot. Highs 109 to 113. $$ CAZ562-172300- Imperial County Southwest- Including the city of Mountain Spring 1151 AM PDT Mon Aug 17 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY... .TODAY...Sunny and hot. Highs 108 to 113. Southwest wind 10 to 15 mph in the morning becoming southeast in the afternoon. .TONIGHT...Mostly clear and windy. Lows 82 to 92. Southwest wind 20 to 30 mph. .TUESDAY...Mostly sunny and hot. Highs 108 to 113. Southeast wind 5 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows 82 to 92. Southwest wind 10 to 20 mph. .WEDNESDAY...Sunny and hot. Highs 107 to 112. Northeast wind 10 to 15 mph in the morning becoming east in the afternoon. .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 82 to 92. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 102 to 112. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms in the evening, then clear after midnight. Lows 82 to 92. .SATURDAY...Mostly sunny and hot. Highs 102 to 112. .SATURDAY NIGHT...Mostly clear. Lows 81 to 91. .SUNDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 102 to 112. $$ CAZ560-561-172300- Joshua Tree NP West-Joshua Tree NP East- Including the cities of Cottonwood Visitor and Lost Horse-Keys Village 1151 AM PDT Mon Aug 17 2026 .TODAY...Sunny. Highs 97 to 107. Northwest wind 5 to 10 mph in the morning becoming south 10 to 15 mph in the afternoon. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 75 to 85. West wind 5 to 15 mph. .TUESDAY...Mostly sunny. Highs 98 to 108. South wind 5 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows 76 to 86. West wind 5 to 15 mph. .WEDNESDAY...Sunny. Highs 98 to 108. South wind 5 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 70 to 86. .THURSDAY...Mostly sunny. Highs 91 to 107. .THURSDAY NIGHT...Mostly clear. Lows 70 to 87. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 91 to 107. .FRIDAY NIGHT...Mostly clear. Lows 70 to 86. .SATURDAY...Partly sunny. Highs 91 to 107. .SATURDAY NIGHT...Mostly clear. Lows 69 to 87. .SUNDAY...Mostly sunny. Highs 91 to 107. $$ Visit us on Facebook, Twitter, and at weather.gov/phoenix