Zone Forecast Product
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
236 FPUS55 KPSR 231831 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 1131 AM MST Sun Aug 23 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>544-546-548-550-551-232300- 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 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly sunny in the morning then becoming mostly sunny. Hot. Highs 107 to 112. Southeast wind around 5 mph in the morning becoming southwest 10 to 15 mph in the afternoon. .TONIGHT...Patchy blowing dust in the evening. Partly cloudy with a slight chance of showers and thunderstorms. Breezy. Lows 81 to 89. West wind 15 to 25 mph in the evening decreasing to 5 to 10 mph after midnight. Chance of rain 20 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 105 to 109. West wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 82 to 88. Northwest wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 108 to 112. Northeast wind around 5 mph in the morning becoming west 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 84 to 90. .WEDNESDAY...Mostly sunny and hot. Highs 109 to 115. .WEDNESDAY NIGHT...Mostly clear. Lows 85 to 91. .THURSDAY...Partly sunny and hot. Highs 109 to 115. .THURSDAY NIGHT...Mostly clear. Lows 85 to 91. .FRIDAY...Mostly sunny and hot. Highs 109 to 114. .FRIDAY NIGHT...Mostly clear. Lows 84 to 90. .SATURDAY...Mostly sunny and hot. Highs 108 to 113. $$ AZZ541-549-555-232300- Cave Creek/New River-Fountain Hills/East Mesa- Apache Junction/Gold Canyon- Including the cities of Scottsdale, Fountain Hills, and Apache Junction 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly sunny in the morning then becoming mostly sunny. Hot. Highs 105 to 110. Southeast wind 5 to 10 mph in the morning becoming southwest 10 to 15 mph in the afternoon. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 76 to 86. Northwest wind 10 to 20 mph in the evening becoming north around 5 mph after midnight. Chance of rain 20 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 103 to 108. West wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 75 to 85. North wind 5 to 10 mph in the evening becoming northeast after midnight. .TUESDAY...Sunny and hot. Highs 106 to 111. East wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 82 to 88. .WEDNESDAY...Mostly sunny and hot. Highs 108 to 112. .WEDNESDAY NIGHT...Mostly clear. Lows 83 to 89. .THURSDAY...Mostly sunny and hot. Highs 108 to 112. .THURSDAY NIGHT...Mostly clear. Lows 82 to 88. .FRIDAY...Mostly sunny and hot. Highs 108 to 112. .FRIDAY NIGHT...Partly cloudy. Lows 82 to 88. .SATURDAY...Mostly sunny and hot. Highs 107 to 111. $$ AZZ553-554-232300- Northwest Pinal County-West Pinal County- Including the cities of Casa Grande, Cactus Forest, Florence, and Coolidge 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly sunny in the morning then becoming mostly sunny. Hot. Highs 107 to 112. South wind 5 to 10 mph in the morning becoming west in the afternoon. .TONIGHT...Patchy blowing dust in the evening. Partly cloudy with a slight chance of showers and thunderstorms. Windy. Lows 76 to 86. West wind 20 to 30 mph in the evening becoming southwest 5 to 10 mph after midnight. Chance of rain 20 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 104 to 109. West wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 77 to 87. West wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 107 to 112. West wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 82 to 89. .WEDNESDAY...Mostly sunny and hot. Highs 107 to 113. .WEDNESDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 83 to 90. .THURSDAY...Partly sunny and hot. Highs 107 to 113. .THURSDAY NIGHT...Mostly clear. Lows 83 to 90. .FRIDAY...Mostly sunny and hot. Highs 107 to 113. .FRIDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 82 to 89. .SATURDAY...Mostly sunny and hot. Highs 107 to 113. $$ AZZ532-232300- Yuma- Including the cities of Yuma and Fortuna Foothills 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly sunny in the morning then becoming mostly sunny. A slight chance of showers and thunderstorms. Not as warm. Highs near 109. South wind 5 to 15 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy and breezy. Lows 84 to 86. South wind 10 to 20 mph. Gusts up to 30 mph in the evening. .MONDAY...Mostly sunny. Highs near 108. South wind 5 to 15 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming clear. Lows 84 to 86. South wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs near 112. Southwest wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows near 90. .WEDNESDAY...Mostly sunny and hot. Highs 112 to 116. .WEDNESDAY NIGHT...Partly cloudy. Lows near 90. .THURSDAY...Mostly sunny and hot. Highs 111 to 114. .THURSDAY NIGHT...Mostly clear. Lows in the mid to upper 80s. .FRIDAY...Partly sunny and hot. Highs 112 to 114. .FRIDAY NIGHT...Mostly clear. Lows in the mid to upper 80s. .SATURDAY...Mostly sunny and hot. Highs 111 to 114. $$ AZZ562-232300- Globe/Miami- Including the cities of Globe and Miami 1131 AM MST Sun Aug 23 2026 .TODAY...Partly sunny. A slight chance of afternoon showers and thunderstorms. Highs 95 to 105. Southeast wind around 5 mph in the morning becoming southwest 10 to 15 mph in the afternoon. Chance of rain 10 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 67 to 77. Northwest wind 10 to 20 mph in the evening decreasing to 5 to 10 mph after midnight. Chance of rain 10 percent. .MONDAY...Partly cloudy. Highs 92 to 102. West wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 67 to 77. Northwest wind 5 to 10 mph. .TUESDAY...Sunny. Highs 96 to 106. North wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid to upper 70s. .WEDNESDAY...Mostly sunny. Highs 101 to 107. .WEDNESDAY NIGHT...Partly cloudy. Lows near 80. .THURSDAY...Partly sunny. Highs 101 to 107. .THURSDAY NIGHT...Partly cloudy. Lows near 80. .FRIDAY...Mostly sunny. Highs 101 to 107. .FRIDAY NIGHT...Partly cloudy. Lows in the mid to upper 70s. .SATURDAY...Partly sunny in the morning then becoming sunny. Highs 101 to 105. $$ AZZ556>558-561-232300- Tonto Basin-Mazatzal Mountains-Pinal/Superstition Mountains- Dripping Springs- Including the cities of Punkin Center, Sunflower, Hayden, and Winkelman 1131 AM MST Sun Aug 23 2026 .TODAY...Partly sunny in the morning, then mostly sunny with a slight chance of afternoon showers and thunderstorms. Highs 102 to 107. Southeast wind 5 to 10 mph in the morning becoming southwest 10 to 15 mph in the afternoon. Chance of rain 10 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 70 to 80. Northwest wind 10 to 20 mph in the evening decreasing to 5 to 10 mph after midnight. Chance of rain 10 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 100 to 105. Northwest wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 70 to 80. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .TUESDAY...Sunny. Highs 102 to 107. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 70 to 83. .WEDNESDAY...Mostly sunny. Highs 94 to 108. .WEDNESDAY NIGHT...Partly cloudy. Lows 71 to 84. .THURSDAY...Partly sunny. Highs 94 to 108. .THURSDAY NIGHT...Mostly clear. Lows 71 to 84. .FRIDAY...Mostly sunny. Highs 94 to 108. .FRIDAY NIGHT...Partly cloudy. Lows 70 to 83. .SATURDAY...Partly sunny. Highs 94 to 108. $$ AZZ545-547-552-232300- New River Mesa-Rio Verde/Salt River-Superior- Including the cities of Tortilla Flat and Superior 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly sunny in the morning, then mostly sunny with a slight chance of afternoon showers and thunderstorms. Hot. Highs 105 to 110. East wind 5 to 10 mph in the morning becoming southwest 10 to 15 mph in the afternoon. Chance of rain 10 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 75 to 85. North wind 5 to 15 mph. Chance of rain 20 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 103 to 108. West wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 75 to 85. North wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 106 to 111. Northeast wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 78 to 87. .WEDNESDAY...Mostly sunny and hot. Highs 102 to 112. .WEDNESDAY NIGHT...Mostly clear. Lows 78 to 87. .THURSDAY...Mostly sunny and hot. Highs 102 to 112. .THURSDAY NIGHT...Mostly clear. Lows 78 to 88. .FRIDAY...Mostly sunny and hot. Highs 102 to 112. .FRIDAY NIGHT...Partly cloudy. Lows 77 to 87. .SATURDAY...Mostly sunny and hot. Highs 101 to 111. $$ AZZ560-232300- San Carlos- Including the cities of San Carlos and Peridot 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly sunny in the morning then becoming sunny. Highs 99 to 109. East wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 68 to 78. Northwest wind 10 to 20 mph in the evening becoming west 5 to 10 mph after midnight. Chance of rain 10 percent. .MONDAY...Partly cloudy. Highs 98 to 108. West wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 68 to 78. Northwest wind 5 to 10 mph. .TUESDAY...Mostly sunny and hot. Highs 100 to 110. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows near 80. .WEDNESDAY...Mostly sunny and hot. Highs 105 to 111. .WEDNESDAY NIGHT...Partly cloudy. Lows near 80. .THURSDAY...Partly sunny and hot. Highs 105 to 111. .THURSDAY NIGHT...Partly cloudy. Lows near 80. .FRIDAY...Mostly sunny and hot. Highs 105 to 111. .FRIDAY NIGHT...Partly cloudy. Lows near 80. .SATURDAY...Partly sunny and hot. Highs 104 to 110. $$ AZZ563-232300- Southeast Gila County- 1131 AM MST Sun Aug 23 2026 .TODAY...Partly sunny in the morning, then mostly sunny with a slight chance of afternoon showers and thunderstorms. Highs 92 to 102. Southeast wind 5 to 10 mph in the morning becoming southwest in the afternoon. Chance of rain 10 percent. .TONIGHT...Partly cloudy. Lows 67 to 77. North wind 10 to 20 mph in the evening decreasing to 5 to 10 mph after midnight. .MONDAY...Partly cloudy. Highs 91 to 101. Northeast wind around 5 mph in the morning becoming west 5 to 10 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 67 to 77. North wind 5 to 15 mph. .TUESDAY...Mostly sunny. Highs 93 to 103. Northeast wind 10 to 15 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 61 to 79. .WEDNESDAY...Mostly sunny. Highs 92 to 104. .WEDNESDAY NIGHT...Partly cloudy. Lows 61 to 80. .THURSDAY...Partly sunny. Highs 92 to 104. .THURSDAY NIGHT...Partly cloudy. Lows 62 to 80. .FRIDAY...Mostly sunny. Highs 92 to 104. .FRIDAY NIGHT...Partly cloudy. Lows 61 to 79. .SATURDAY...Partly sunny in the morning then becoming sunny. Highs 92 to 104. $$ AZZ539-559-232300- Gila Bend-Sonoran Desert Natl Monument- Including the cities of Gila Bend, Sentinel, and Kaka 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly sunny in the morning, then mostly sunny with a slight chance of afternoon showers and thunderstorms. Hot. Highs 108 to 113. Southwest wind 5 to 15 mph. Chance of rain 10 percent. .TONIGHT...Patchy blowing dust in the evening. Partly cloudy with a slight chance of showers and thunderstorms. Windy. Lows 77 to 87. South wind 20 to 30 mph in the evening decreasing to 5 to 10 mph after midnight. Chance of rain 20 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Hot. Highs 105 to 110. West wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 77 to 87. West wind around 5 mph in the evening becoming light after midnight. .TUESDAY...Sunny and very hot. Highs 110 to 115. West wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 84 to 90. .WEDNESDAY...Partly sunny and very hot. Highs 106 to 116. .WEDNESDAY NIGHT...Partly cloudy. Lows 84 to 90. .THURSDAY...Partly sunny and very hot. Highs 107 to 115. .THURSDAY NIGHT...Mostly clear. Lows 85 to 90. .FRIDAY...Mostly sunny and very hot. Highs 107 to 115. .FRIDAY NIGHT...Mostly clear. Lows 84 to 89. .SATURDAY...Mostly sunny and hot. Highs 106 to 114. $$ AZZ534-538-232300- Aguila Valley-Tonopah Desert- Including the cities of Aguila, Gladden, Wickenburg, Arlington, Hassayampa, Tonopah, and Wintersburg 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Mostly sunny and hot. Highs 108 to 113. Southeast wind around 5 mph in the morning becoming southwest 10 to 15 mph in the afternoon. .TONIGHT...Partly cloudy. Patchy blowing dust in the evening. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Breezy. Lows 76 to 86. Southwest wind 15 to 25 mph in the evening decreasing to 5 to 10 mph after midnight. Chance of rain 20 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 104 to 109. Southwest wind around 5 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 76 to 86. Northwest wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 109 to 114. West wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 81 to 89. .WEDNESDAY...Mostly sunny and very hot. Highs 108 to 116. .WEDNESDAY NIGHT...Mostly clear. Lows 81 to 89. .THURSDAY...Partly sunny and very hot. Highs 107 to 115. .THURSDAY NIGHT...Mostly clear. Lows 82 to 89. .FRIDAY...Partly sunny and very hot. Highs 107 to 115. .FRIDAY NIGHT...Mostly clear. Lows 81 to 89. .SATURDAY...Mostly sunny and hot. Highs 106 to 114. $$ AZZ531-533-232300- Kofa-Central La Paz- Including the cities of Palm Canyon, Brenda, Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, and Salome 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Partly sunny in the morning then becoming mostly sunny. A slight chance of showers and thunderstorms. Hot. Highs 107 to 112. South wind 5 to 15 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Breezy. Lows 76 to 86. Southwest wind 15 to 25 mph in the evening becoming south 5 to 10 mph after midnight. Chance of rain 10 percent. .MONDAY...Mostly sunny. Highs 104 to 109. South wind 5 to 10 mph in the morning becoming southwest in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 77 to 87. West wind 5 to 10 mph in the evening becoming northwest around 5 mph after midnight. .TUESDAY...Sunny and hot. Highs 108 to 113. Northwest wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 82 to 90. .WEDNESDAY...Mostly sunny and very hot. Highs 107 to 115. .WEDNESDAY NIGHT...Mostly clear. Lows 83 to 90. .THURSDAY...Partly sunny and very hot. Highs 107 to 115. .THURSDAY NIGHT...Mostly clear. Lows 83 to 89. .FRIDAY...Mostly sunny and hot. Highs 106 to 114. .FRIDAY NIGHT...Mostly clear. Lows 82 to 89. .SATURDAY...Mostly sunny and hot. Highs 106 to 114. $$ AZZ535-536-232300- Southeast Yuma County-Gila River Valley- Including the city of Ligurta 1131 AM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TODAY...Mostly sunny with a slight chance of showers and thunderstorms. Hot. Highs 108 to 113. Southwest wind 10 to 15 mph. Chance of rain 10 percent. .TONIGHT...Partly cloudy and breezy. Patchy blowing dust in the evening. Lows 76 to 86. South wind 15 to 25 mph in the evening decreasing to 10 to 15 mph after midnight. .MONDAY...Mostly sunny and hot. Highs 105 to 110. South wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 77 to 87. Southwest wind around 5 mph in the evening becoming light after midnight. .TUESDAY...Sunny and hot. Highs 109 to 114. Light wind in the morning becoming west 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows near 90. .WEDNESDAY...Partly sunny and very hot. Highs 110 to 116. .WEDNESDAY NIGHT...Partly cloudy. Lows 84 to 89. .THURSDAY...Partly sunny and very hot. Highs 109 to 115. .THURSDAY NIGHT...Mostly clear. Lows 83 to 89. .FRIDAY...Partly sunny and very hot. Highs 109 to 115. .FRIDAY NIGHT...Mostly clear. Lows 84 to 89. .SATURDAY...Mostly sunny and hot. Highs 109 to 114. $$ AZZ530-CAZ569-232300- Parker Valley-Palo Verde Valley- Including the cities of Parker, Ehrenberg, Martinez Lake, Blythe, Palo Verde, and Ripley 1131 AM MST Sun Aug 23 2026 /1131 AM PDT Sun Aug 23 2026/ ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST /8 PM PDT/ SATURDAY... .TODAY...Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Very hot. Highs 110 to 115. South wind 5 to 15 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy and windy. Lows 78 to 88. South wind 15 to 25 mph in the evening decreasing to 10 to 15 mph after midnight. Gusts up to 35 mph in the evening. .MONDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 106 to 111. South wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 77 to 87. South wind 5 to 10 mph. .TUESDAY...Sunny and very hot. Highs 110 to 115. Northwest wind around 5 mph in the morning becoming west 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 84 to 90. .WEDNESDAY...Mostly sunny and very hot. Highs 111 to 117. .WEDNESDAY NIGHT...Mostly clear. Lows 84 to 90. .THURSDAY...Mostly sunny and very hot. Highs 111 to 117. .THURSDAY NIGHT...Mostly clear. Lows 85 to 90. .FRIDAY...Partly sunny in the morning then becoming sunny. Very hot. Highs 110 to 116. .FRIDAY NIGHT...Mostly clear. Lows 83 to 89. .SATURDAY...Mostly sunny and very hot. Highs 110 to 116. $$ CAZ565-570-232300- Imperial County Southeast-Chuckwalla Valley- Including the cities of Winterhaven and Midland 1131 AM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Sunny and hot. Highs 109 to 114. South wind 5 to 15 mph. .TONIGHT...Partly cloudy. Lows 79 to 89. South wind 5 to 15 mph. .MONDAY...Mostly sunny and hot. Highs 106 to 111. South wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming clear. Lows 80 to 90. Southwest wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 109 to 114. Northwest wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 85 to 92. .WEDNESDAY...Mostly sunny and very hot. Highs 108 to 116. .WEDNESDAY NIGHT...Mostly clear. Lows 84 to 92. .THURSDAY...Mostly sunny and very hot. Highs 108 to 116. .THURSDAY NIGHT...Partly cloudy. Lows 84 to 92. .FRIDAY...Partly sunny in the morning then becoming sunny. Very hot. Highs 107 to 115. .FRIDAY NIGHT...Mostly clear. Lows 83 to 91. .SATURDAY...Mostly sunny and very hot. Highs 107 to 115. $$ CAZ564-568-232300- Chuckwalla Mountains-Chiriaco Summit- Including the cities of Imperial Hot Mineral Springs and Chiriaco Summit 1131 AM PDT Sun Aug 23 2026 .TODAY...Sunny and hot. Highs 106 to 111. South wind 5 to 15 mph. .TONIGHT...Partly cloudy. Lows 76 to 86. South wind 5 to 15 mph. .MONDAY...Mostly sunny. Highs 102 to 107. South wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 78 to 88. Southwest wind 5 to 10 mph in the evening becoming northwest around 5 mph after midnight. .TUESDAY...Sunny and hot. Highs 105 to 110. North wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 81 to 90. .WEDNESDAY...Mostly sunny and hot. Highs 102 to 112. .WEDNESDAY NIGHT...Mostly clear. Lows 82 to 90. .THURSDAY...Mostly sunny and hot. Highs 101 to 113. .THURSDAY NIGHT...Partly cloudy. Lows 82 to 90. .FRIDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 102 to 112. .FRIDAY NIGHT...Mostly clear. Lows 80 to 89. .SATURDAY...Mostly sunny and hot. Highs 102 to 112. $$ CAZ563-232300- Salton Sea- Including the city of Desert Shores 1131 AM PDT Sun Aug 23 2026 .TODAY...Sunny and hot. Highs 108 to 113. Southeast wind 5 to 15 mph. .TONIGHT...Partly cloudy. Lows 80 to 90. Southwest wind 10 to 15 mph in the evening becoming southeast 5 to 10 mph after midnight. .MONDAY...Mostly sunny. Highs 104 to 109. Southeast wind 5 to 10 mph in the morning becoming northeast around 5 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 82 to 92. Northwest wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 106 to 111. Northwest wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 88 to 94. .WEDNESDAY...Mostly sunny and hot. Highs 104 to 114. .WEDNESDAY NIGHT...Mostly clear. Lows 88 to 94. .THURSDAY...Mostly sunny and hot. Highs 104 to 114. .THURSDAY NIGHT...Partly cloudy. Lows 87 to 93. .FRIDAY...Partly sunny and hot. Highs 103 to 113. .FRIDAY NIGHT...Partly cloudy. Lows 88 to 93. .SATURDAY...Mostly sunny and hot. Highs 103 to 113. $$ CAZ567-232300- Imperial Valley- Including the cities of El Centro, Calexico, Alamorio, and Brawley 1131 AM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Sunny and very hot. Highs 111 to 116. South wind around 5 mph in the morning increasing to 10 to 20 mph in the afternoon. .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 76 to 86. South wind 5 to 15 mph. .MONDAY...Mostly sunny and hot. Highs 106 to 111. Southeast wind 5 to 10 mph in the morning becoming southwest around 5 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening then becoming clear. Lows 77 to 87. Light wind. .TUESDAY...Sunny and hot. Highs 109 to 114. Light wind. .TUESDAY NIGHT...Clear. Lows in the upper 80s. .WEDNESDAY...Mostly sunny and very hot. Highs 112 to 116. .WEDNESDAY NIGHT...Mostly clear. Lows near 90. .THURSDAY...Mostly sunny and very hot. Highs 112 to 118. .THURSDAY NIGHT...Partly cloudy. Lows in the mid to upper 80s. .FRIDAY...Mostly sunny and very hot. Highs 112 to 116. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 80s. .SATURDAY...Mostly sunny and very hot. Highs 111 to 117. $$ CAZ566-232300- Imperial County West- Including the cities of Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City 1131 AM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Sunny and very hot. Highs 112 to 117. South wind 5 to 10 mph in the morning becoming southeast 10 to 20 mph in the afternoon. .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 80 to 90. Southwest wind 10 to 20 mph in the evening becoming south around 5 mph after midnight. .MONDAY...Mostly sunny, otherwise partly cloudy with a slight chance of showers in the morning. Hot. Highs 107 to 112. East wind 5 to 10 mph. Chance of rain 10 percent. .MONDAY NIGHT...Mostly clear. Lows 81 to 91. West wind around 5 mph. .TUESDAY...Sunny and very hot. Highs 110 to 115. Northwest wind around 5 mph in the morning becoming east 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 87 to 92. .WEDNESDAY...Mostly sunny and very hot. Highs 112 to 118. .WEDNESDAY NIGHT...Partly cloudy. Lows 88 to 93. .THURSDAY...Mostly sunny and very hot. Highs 112 to 118. .THURSDAY NIGHT...Partly cloudy. Lows 88 to 93. .FRIDAY...Mostly sunny and very hot. Highs 112 to 116. .FRIDAY NIGHT...Partly cloudy. Lows 86 to 91. .SATURDAY...Mostly sunny and very hot. Highs 111 to 117. $$ CAZ562-232300- Imperial County Southwest- Including the city of Mountain Spring 1131 AM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TODAY...Sunny and hot. Highs 109 to 114. Southeast wind 10 to 20 mph. .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 82 to 92. Southwest wind 10 to 20 mph. .MONDAY...Partly sunny with a slight chance of showers in the morning, then sunny with a slight chance of afternoon showers and thunderstorms. Hot. Highs 106 to 111. North wind 5 to 10 mph in the morning becoming east in the afternoon. Chance of rain 20 percent. .MONDAY NIGHT...Clear. Lows 83 to 93. Southwest wind 10 to 15 mph. .TUESDAY...Sunny and hot. Highs 108 to 113. West wind 5 to 10 mph in the morning becoming southeast in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 84 to 94. .WEDNESDAY...Mostly sunny and very hot. Highs 106 to 116. .WEDNESDAY NIGHT...Mostly clear. Lows 85 to 95. .THURSDAY...Mostly sunny and very hot. Highs 106 to 116. .THURSDAY NIGHT...Partly cloudy. Lows 85 to 95. .FRIDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Very hot. Highs 105 to 115. .FRIDAY NIGHT...Partly cloudy. Lows 83 to 93. .SATURDAY...Sunny and very hot. Highs 106 to 116. $$ CAZ560-561-232300- Joshua Tree NP West-Joshua Tree NP East- Including the cities of Cottonwood Visitor and Lost Horse-Keys Village 1131 AM PDT Sun Aug 23 2026 .TODAY...Sunny and hot. Highs 100 to 110. South wind 5 to 15 mph. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 75 to 85. Southwest wind 5 to 15 mph. .MONDAY...Mostly sunny. Highs 96 to 106. South wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 76 to 86. West wind 5 to 10 mph. .TUESDAY...Mostly sunny. Highs 97 to 107. Northwest wind 5 to 10 mph in the morning becoming south in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 71 to 88. .WEDNESDAY...Mostly sunny and hot. Highs 94 to 110. .WEDNESDAY NIGHT...Mostly clear. Lows 72 to 89. .THURSDAY...Mostly sunny and hot. Highs 94 to 110. .THURSDAY NIGHT...Mostly clear. Lows 72 to 89. .FRIDAY...Partly sunny and hot. Highs 94 to 110. .FRIDAY NIGHT...Partly cloudy in the evening then becoming clear. Lows 70 to 87. .SATURDAY...Mostly sunny and hot. Highs 94 to 110. $$ Visit us on Facebook, Twitter, and at weather.gov/phoenix