Zone Forecast Product
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
388 FPUS55 KPSR 240656 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 1156 PM 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>544-546-548-550-551-241100- 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 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Patchy blowing dust in the evening. A slight chance of showers and thunderstorms. Breezy. Lows 81 to 89. West wind 15 to 25 mph in the evening becoming northwest 5 to 10 mph after midnight. Chance of rain 10 percent. .MONDAY...Considerable cloudiness in the morning then becoming mostly sunny. Highs 105 to 109. West wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 81 to 90. Northwest wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 109 to 114. East wind around 5 mph in the morning becoming west 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 83 to 91. Northwest wind 5 to 10 mph. .WEDNESDAY...Sunny and very hot. Highs 111 to 117. .WEDNESDAY NIGHT...Mostly clear. Lows 85 to 92. .THURSDAY...Mostly sunny and hot. Highs 110 to 115. .THURSDAY NIGHT...Mostly clear. Lows 83 to 89. .FRIDAY...Mostly sunny and hot. Highs 108 to 114. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms after midnight. Lows 84 to 90. .SATURDAY...Partly sunny and hot. Highs 106 to 111. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms after midnight. Lows 82 to 89. .SUNDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 104 to 109. $$ AZZ541-549-555-241100- Cave Creek/New River-Fountain Hills/East Mesa- Apache Junction/Gold Canyon- Including the cities of Scottsdale, Fountain Hills, and Apache Junction 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then considerable cloudiness after midnight. Lows 76 to 86. Northwest wind 10 to 20 mph in the evening becoming north around 5 mph after midnight. Chance of rain 10 percent. .MONDAY...Considerable cloudiness in the morning then becoming partly sunny. Highs 103 to 108. West wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 76 to 86. North wind 5 to 10 mph in the evening becoming northeast after midnight. .TUESDAY...Sunny and hot. Highs 107 to 112. East wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Clear. Lows 77 to 87. Northwest wind 5 to 10 mph in the evening becoming northeast 10 to 15 mph after midnight. .WEDNESDAY...Sunny and hot. Highs 110 to 114. .WEDNESDAY NIGHT...Partly cloudy. Lows 82 to 88. .THURSDAY...Mostly sunny and hot. Highs 109 to 113. .THURSDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 81 to 87. .FRIDAY...Mostly sunny and hot. Highs 107 to 111. .FRIDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 81 to 87. .SATURDAY...Partly sunny. Highs 105 to 109. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 79 to 85. .SUNDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 102 to 106. $$ AZZ553-554-241100- Northwest Pinal County-West Pinal County- Including the cities of Casa Grande, Cactus Forest, Florence, and Coolidge 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy blowing dust in the evening. 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 10 percent. .MONDAY...Considerable cloudiness in the morning then becoming partly sunny. Highs 104 to 109. South wind around 5 mph in the morning becoming northwest 5 to 10 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 76 to 86. West wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 108 to 113. West wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 77 to 87. West wind 5 to 10 mph. .WEDNESDAY...Sunny and very hot. Highs 109 to 115. .WEDNESDAY NIGHT...Partly cloudy. Lows 82 to 89. .THURSDAY...Mostly sunny and hot. Highs 108 to 114. .THURSDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 81 to 87. .FRIDAY...Mostly sunny and hot. Highs 107 to 113. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows 81 to 87. Chance of rain 10 percent. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 105 to 111. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows 80 to 87. Chance of rain 20 percent. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 102 to 108. $$ AZZ532-241100- Yuma- Including the cities of Yuma and Fortuna Foothills 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Breezy. Lows 84 to 86. South wind 10 to 20 mph. Gusts up to 30 mph in the evening. .MONDAY...Mostly sunny. Highs near 108. South wind 5 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows 84 to 86. South wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs near 113. Southwest wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 87 to 88. West wind 5 to 10 mph. .WEDNESDAY...Mostly sunny and very hot. Highs 113 to 117. .WEDNESDAY NIGHT...Partly cloudy. Lows near 90. .THURSDAY...Partly sunny and hot. Highs 111 to 113. .THURSDAY NIGHT...Partly cloudy. Lows in the mid to upper 80s. .FRIDAY...Mostly sunny and hot. Highs 111 to 114. .FRIDAY NIGHT...Mostly clear. Lows near 90. .SATURDAY...Mostly sunny and hot. Highs 109 to 112. .SATURDAY NIGHT...Mostly clear. Lows in the mid to upper 80s. .SUNDAY...Mostly sunny. Highs 108 to 110. $$ AZZ562-241100- Globe/Miami- Including the cities of Globe and Miami 1156 PM MST Sun Aug 23 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 67 to 77. Northwest wind 10 to 20 mph in the evening decreasing to 5 to 10 mph after midnight. .MONDAY...Partly cloudy. Highs 92 to 102. Northwest wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 67 to 77. Northwest wind 5 to 10 mph. .TUESDAY...Mostly sunny in the morning then becoming partly sunny. Highs 96 to 106. Northwest wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 68 to 78. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .WEDNESDAY...Mostly sunny. Highs 101 to 107. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid to upper 70s. .THURSDAY...Partly sunny. Highs 100 to 106. .THURSDAY NIGHT...Partly cloudy. Lows in the mid to upper 70s. .FRIDAY...Partly sunny in the morning then becoming sunny. Highs 100 to 106. .FRIDAY NIGHT...Partly cloudy. A 10 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 98 to 104. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid to upper 70s. Chance of rain 20 percent. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 96 to 100. $$ AZZ556>558-561-241100- Tonto Basin-Mazatzal Mountains-Pinal/Superstition Mountains- Dripping Springs- Including the cities of Punkin Center, Sunflower, Hayden, and Winkelman 1156 PM MST Sun Aug 23 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 70 to 80. Northwest wind 10 to 20 mph in the evening decreasing to 5 to 10 mph after midnight. .MONDAY...Partly cloudy. Highs 100 to 105. Northwest wind around 5 mph in the morning becoming west 10 to 15 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 70 to 80. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .TUESDAY...Mostly sunny. Highs 103 to 108. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 71 to 81. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .WEDNESDAY...Sunny. Highs 95 to 109. .WEDNESDAY NIGHT...Partly cloudy. Lows 70 to 83. .THURSDAY...Mostly sunny. Highs 94 to 108. .THURSDAY NIGHT...Partly cloudy. Lows 70 to 83. .FRIDAY...Partly sunny in the morning then becoming sunny. Highs 93 to 107. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 69 to 82. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 91 to 107. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows 69 to 82. Chance of rain 20 percent. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Not as warm. Highs 88 to 102. $$ AZZ545-547-552-241100- New River Mesa-Rio Verde/Salt River-Superior- Including the cities of Tortilla Flat and Superior 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then considerable cloudiness after midnight. Lows 75 to 85. North wind 5 to 15 mph. Chance of rain 10 percent. .MONDAY...Considerable cloudiness in the morning then becoming partly sunny. Highs 103 to 108. Northwest wind around 5 mph in the morning becoming west 5 to 10 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening then becoming clear. Lows 75 to 85. North wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 108 to 113. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Clear. Lows 76 to 86. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .WEDNESDAY...Sunny and hot. Highs 102 to 114. .WEDNESDAY NIGHT...Partly cloudy. Lows 77 to 87. .THURSDAY...Mostly sunny and hot. Highs 101 to 113. .THURSDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 76 to 85. .FRIDAY...Mostly sunny and hot. Highs 101 to 111. .FRIDAY NIGHT...Clear with a 10 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows 76 to 85. .SATURDAY...Partly sunny. Highs 99 to 109. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows 75 to 85. Chance of rain 20 percent. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 96 to 106. $$ AZZ560-241100- San Carlos- Including the cities of San Carlos and Peridot 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 68 to 78. Northwest wind 10 to 20 mph in the evening becoming west 5 to 10 mph after midnight. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 98 to 108. West wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 68 to 78. Northwest wind 5 to 15 mph. .TUESDAY...Mostly sunny and hot. Highs 101 to 111. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 69 to 79. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .WEDNESDAY...Sunny and hot. Highs 105 to 111. .WEDNESDAY NIGHT...Partly cloudy. Lows near 80. .THURSDAY...Mostly sunny and hot. Highs 104 to 110. .THURSDAY NIGHT...Partly cloudy. Lows near 80. .FRIDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 104 to 110. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows near 80. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 102 to 108. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid to upper 70s. Chance of rain 20 percent. .SUNDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 99 to 105. $$ AZZ563-241100- Southeast Gila County- 1156 PM MST Sun Aug 23 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 67 to 77. North wind 10 to 20 mph in the evening decreasing to 5 to 10 mph after midnight. .MONDAY...Partly sunny. Highs 91 to 101. North wind 5 to 10 mph in the morning becoming southwest in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 67 to 77. North wind 10 to 15 mph. .TUESDAY...Mostly sunny in the morning then becoming partly sunny. Highs 93 to 103. Northeast wind 10 to 15 mph in the morning becoming west 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 68 to 78. North wind 10 to 15 mph in the evening becoming northeast after midnight. .WEDNESDAY...Mostly sunny. Highs 92 to 104. .WEDNESDAY NIGHT...Partly cloudy. Lows 61 to 78. .THURSDAY...Mostly sunny. Highs 91 to 103. .THURSDAY NIGHT...Partly cloudy. Lows 60 to 78. .FRIDAY...Partly sunny in the morning then becoming sunny. Highs 91 to 103. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 61 to 78. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 90 to 102. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows 60 to 78. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A 30 percent chance of afternoon showers and thunderstorms. Highs 87 to 99. $$ AZZ539-559-241100- Gila Bend-Sonoran Desert Natl Monument- Including the cities of Gila Bend, Sentinel, and Kaka 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Patchy blowing dust in the evening. A slight chance of showers and thunderstorms. Windy. Lows 77 to 87. South wind 20 to 30 mph in the evening decreasing to 5 to 10 mph after midnight. Chance of rain 10 percent. .MONDAY...Partly cloudy in the morning then becoming mostly sunny. Hot. Highs 105 to 110. Southeast wind around 5 mph in the morning becoming west 5 to 10 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 77 to 87. West wind around 5 mph. .TUESDAY...Sunny and very hot. Highs 111 to 116. West wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 78 to 88. West wind around 5 mph. .WEDNESDAY...Sunny and very hot. Highs 108 to 118. .WEDNESDAY NIGHT...Partly cloudy. Lows 82 to 88. .THURSDAY...Partly sunny and very hot. Highs 107 to 115. .THURSDAY NIGHT...Partly cloudy. Lows 82 to 87. .FRIDAY...Mostly sunny. Hot. Highs 106 to 114. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows 83 to 89. Chance of rain 10 percent. .SATURDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 104 to 112. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 81 to 88. .SUNDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Hot. Highs 102 to 110. $$ AZZ534-538-241100- Aguila Valley-Tonopah Desert- Including the cities of Aguila, Gladden, Wickenburg, Arlington, Hassayampa, Tonopah, and Wintersburg 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Patchy blowing dust in the evening. Partly cloudy with a chance of showers and thunderstorms. 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 40 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 104 to 109. Southwest wind around 5 mph. .MONDAY NIGHT...Mostly clear. Lows 77 to 87. Northwest wind 5 to 10 mph. .TUESDAY...Sunny and very hot. Highs 111 to 116. Northwest wind around 5 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Clear. Lows 77 to 87. Northwest wind 5 to 10 mph. .WEDNESDAY...Sunny and very hot. Highs 108 to 118. .WEDNESDAY NIGHT...Partly cloudy. Lows 80 to 88. .THURSDAY...Partly sunny and very hot. Highs 107 to 115. .THURSDAY NIGHT...Mostly clear. Lows 80 to 86. .FRIDAY...Mostly sunny and hot. Highs 106 to 114. .FRIDAY NIGHT...Partly cloudy. Lows 80 to 88. .SATURDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 104 to 112. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 79 to 87. .SUNDAY...Mostly sunny. Highs 101 to 109. $$ AZZ531-533-241100- Kofa-Central La Paz- Including the cities of Palm Canyon, Brenda, Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, and Salome 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Breezy. Lows 76 to 86. Southwest wind 15 to 25 mph in the evening becoming southeast 5 to 10 mph after midnight. Chance of rain 10 percent. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 104 to 109. Southeast wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 77 to 87. Northwest wind 5 to 10 mph. .TUESDAY...Sunny and hot. Highs 109 to 114. Northwest wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 78 to 88. Northwest wind 5 to 10 mph. .WEDNESDAY...Sunny and very hot. Highs 108 to 116. .WEDNESDAY NIGHT...Partly cloudy. Lows 81 to 89. .THURSDAY...Mostly sunny and hot. Highs 106 to 114. .THURSDAY NIGHT...Mostly clear. Lows 81 to 88. .FRIDAY...Partly sunny and hot. Highs 106 to 114. .FRIDAY NIGHT...Mostly clear. Lows 81 to 89. .SATURDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 104 to 112. .SATURDAY NIGHT...Mostly clear. Lows 79 to 87. .SUNDAY...Mostly sunny. Highs 101 to 109. $$ AZZ535-536-241100- Southeast Yuma County-Gila River Valley- Including the city of Ligurta 1156 PM MST Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST SATURDAY... .TONIGHT...Partly cloudy and breezy. Patchy blowing dust in the evening. Lows 76 to 86. South wind 15 to 25 mph in the evening becoming southeast 10 to 15 mph after midnight. .MONDAY...Mostly sunny. Highs 104 to 109. South wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 77 to 87. West wind around 5 mph. .TUESDAY...Sunny and very hot. Highs 110 to 115. West wind 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 78 to 88. West wind around 5 mph. .WEDNESDAY...Mostly sunny and very hot. Highs 112 to 118. .WEDNESDAY NIGHT...Partly cloudy. Lows 83 to 88. .THURSDAY...Partly sunny and very hot. Highs 109 to 115. .THURSDAY NIGHT...Mostly clear. Lows 82 to 87. .FRIDAY...Mostly sunny and hot. Highs 109 to 114. .FRIDAY NIGHT...Clear in the evening then becoming partly cloudy. Lows 83 to 88. .SATURDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 107 to 113. .SATURDAY NIGHT...Mostly clear. Lows 82 to 87. .SUNDAY...Mostly sunny and hot. Highs 104 to 110. $$ AZZ530-CAZ569-241100- Parker Valley-Palo Verde Valley- Including the cities of Parker, Ehrenberg, Martinez Lake, Blythe, Palo Verde, and Ripley 1156 PM MST Sun Aug 23 2026 /1156 PM PDT Sun Aug 23 2026/ ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM MST /8 PM PDT/ SATURDAY... .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Windy. Lows 78 to 88. South wind 15 to 25 mph in the evening decreasing to 10 to 15 mph after midnight. Gusts up to 35 mph in the evening. .MONDAY...Mostly sunny and hot. Highs 106 to 111. South wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 78 to 88. Southwest wind 5 to 10 mph in the evening becoming west around 5 mph after midnight. .TUESDAY...Sunny and very hot. Highs 110 to 115. North wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 78 to 88. West wind 5 to 10 mph. .WEDNESDAY...Sunny and very hot. Highs 111 to 117. .WEDNESDAY NIGHT...Mostly clear. Lows 83 to 89. .THURSDAY...Mostly sunny and very hot. Highs 110 to 116. .THURSDAY NIGHT...Partly cloudy. Lows 84 to 89. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Very hot. Highs 109 to 115. .FRIDAY NIGHT...Mostly clear. Lows 84 to 89. .SATURDAY...Mostly sunny and hot. Highs 108 to 114. .SATURDAY NIGHT...Clear. Lows 83 to 88. .SUNDAY...Mostly sunny and hot. Highs 106 to 112. $$ CAZ565-570-241100- Imperial County Southeast-Chuckwalla Valley- Including the cities of Winterhaven and Midland 1156 PM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 79 to 89. South wind 5 to 15 mph. .MONDAY...Mostly sunny and hot. Highs 105 to 110. South wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 80 to 90. Southwest wind 5 to 10 mph in the evening becoming northwest around 5 mph after midnight. .TUESDAY...Sunny and hot. Highs 109 to 114. Northwest wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Clear. Lows 81 to 91. West wind 5 to 10 mph in the evening becoming northwest 10 to 20 mph after midnight. .WEDNESDAY...Mostly sunny and very hot. Highs 108 to 116. .WEDNESDAY NIGHT...Mostly clear. Lows 84 to 91. .THURSDAY...Mostly sunny and very hot. Highs 107 to 115. .THURSDAY NIGHT...Partly cloudy. Lows 83 to 91. .FRIDAY...Mostly sunny. Very hot. Highs 107 to 115. .FRIDAY NIGHT...Mostly clear. Lows 84 to 91. .SATURDAY...Mostly sunny and hot. Highs 106 to 114. .SATURDAY NIGHT...Clear. Lows 83 to 89. .SUNDAY...Sunny and hot. Highs 104 to 111. $$ CAZ564-568-241100- Chuckwalla Mountains-Chiriaco Summit- Including the cities of Imperial Hot Mineral Springs and Chiriaco Summit 1156 PM PDT Sun Aug 23 2026 .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 76 to 86. South wind 5 to 15 mph. .MONDAY...Mostly sunny. Highs 102 to 107. South wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 77 to 87. West wind 5 to 10 mph in the evening becoming north around 5 mph after midnight. .TUESDAY...Sunny and hot. Highs 106 to 111. North wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Clear. Lows 80 to 90. West wind 5 to 15 mph. .WEDNESDAY...Mostly sunny and hot. Highs 102 to 114. .WEDNESDAY NIGHT...Mostly clear. Lows 80 to 89. .THURSDAY...Mostly sunny and hot. Highs 102 to 112. .THURSDAY NIGHT...Partly cloudy. Lows 80 to 88. .FRIDAY...Partly sunny. Hot. Highs 101 to 111. .FRIDAY NIGHT...Mostly clear. Lows 80 to 89. .SATURDAY...Sunny and hot. Highs 100 to 110. .SATURDAY NIGHT...Clear. Lows 78 to 88. .SUNDAY...Sunny. Highs 98 to 108. $$ CAZ563-241100- Salton Sea- Including the city of Desert Shores 1156 PM PDT Sun Aug 23 2026 .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 80 to 90. Southwest wind 10 to 15 mph in the evening becoming southeast 5 to 10 mph after midnight. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Not as warm. Highs 103 to 108. Southeast wind 5 to 10 mph. .MONDAY NIGHT...Clear. Lows 82 to 92. Northwest wind around 5 mph in the evening increasing to 10 to 15 mph after midnight. .TUESDAY...Sunny and hot. Highs 108 to 113. Southwest wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 83 to 93. Northwest wind 5 to 15 mph. .WEDNESDAY...Mostly sunny and hot. Highs 104 to 114. .WEDNESDAY NIGHT...Mostly clear. Lows 87 to 93. .THURSDAY...Mostly sunny and hot. Highs 103 to 113. .THURSDAY NIGHT...Partly cloudy. Lows 87 to 92. .FRIDAY...Partly sunny and hot. Highs 102 to 112. .FRIDAY NIGHT...Partly cloudy. Lows 87 to 92. .SATURDAY...Sunny and hot. Highs 102 to 112. .SATURDAY NIGHT...Clear. Lows 86 to 91. .SUNDAY...Sunny and hot. Highs 101 to 111. $$ CAZ567-241100- Imperial Valley- Including the cities of El Centro, Calexico, Alamorio, and Brawley 1156 PM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TONIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 76 to 86. South wind 5 to 15 mph. .MONDAY...Partly sunny in the morning then becoming sunny. Hot. Highs 105 to 110. South wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 77 to 87. Light wind. .TUESDAY...Sunny and very hot. Highs 111 to 116. Light wind in the morning becoming southwest around 5 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 78 to 88. West wind 5 to 10 mph. .WEDNESDAY...Mostly sunny and very hot. Highs 113 to 117. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 80s. .THURSDAY...Mostly sunny and very hot. Highs 111 to 117. .THURSDAY NIGHT...Partly cloudy. Lows in the mid to upper 80s. .FRIDAY...Mostly sunny and very hot. Highs 111 to 115. .FRIDAY NIGHT...Mostly clear. Lows in the upper 80s. .SATURDAY...Sunny and very hot. Highs 111 to 115. .SATURDAY NIGHT...Clear. Lows in the mid to upper 80s. .SUNDAY...Sunny and hot. Highs 108 to 114. $$ CAZ566-241100- Imperial County West- Including the cities of Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City 1156 PM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TONIGHT...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 and hot. Highs 106 to 111. East wind 5 to 10 mph. .MONDAY NIGHT...Clear. Lows 80 to 90. West wind around 5 mph. .TUESDAY...Sunny and very hot. Highs 111 to 116. Northwest wind around 5 mph in the morning becoming southeast 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 81 to 91. West wind 5 to 10 mph. .WEDNESDAY...Mostly sunny and very hot. Highs 112 to 118. .WEDNESDAY NIGHT...Mostly clear. Lows 87 to 92. .THURSDAY...Mostly sunny and very hot. Highs 111 to 117. .THURSDAY NIGHT...Partly cloudy. Lows 86 to 91. .FRIDAY...Mostly sunny and very hot. Highs 111 to 115. .FRIDAY NIGHT...Mostly clear. Lows 86 to 91. .SATURDAY...Sunny and very hot. Highs 110 to 116. .SATURDAY NIGHT...Clear. Lows 85 to 90. .SUNDAY...Sunny and hot. Highs 108 to 114. $$ CAZ562-241100- Imperial County Southwest- Including the city of Mountain Spring 1156 PM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY... .TONIGHT...Mostly clear. Lows 82 to 92. Southwest wind 10 to 20 mph. .MONDAY...Mostly sunny, otherwise partly cloudy with a slight chance of afternoon showers and thunderstorms. Hot. Highs 105 to 110. North wind 5 to 10 mph in the morning becoming east in the afternoon. Chance of rain 10 percent. .MONDAY NIGHT...Clear. Lows 82 to 92. Southwest wind 10 to 15 mph. .TUESDAY...Sunny and hot. Highs 109 to 114. West wind 5 to 10 mph in the morning becoming southeast in the afternoon. .TUESDAY NIGHT...Clear. Lows 83 to 93. West wind 10 to 15 mph. .WEDNESDAY...Mostly sunny and very hot. Highs 106 to 116. .WEDNESDAY NIGHT...Mostly clear. Lows 85 to 94. .THURSDAY...Mostly sunny and very hot. Highs 105 to 115. .THURSDAY NIGHT...Partly cloudy. Lows 84 to 93. .FRIDAY...Mostly sunny and hot. Highs 104 to 114. .FRIDAY NIGHT...Mostly clear. Lows 84 to 93. .SATURDAY...Sunny and hot. Highs 104 to 114. .SATURDAY NIGHT...Clear. Lows 83 to 92. .SUNDAY...Sunny and hot. Highs 102 to 112. $$ CAZ560-561-241100- Joshua Tree NP West-Joshua Tree NP East- Including the cities of Cottonwood Visitor and Lost Horse-Keys Village 1156 PM PDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows 75 to 85. Southwest wind 5 to 15 mph. .MONDAY...Mostly sunny, otherwise partly cloudy with a slight chance of afternoon showers and thunderstorms. Not as warm. Highs 95 to 105. South wind 5 to 10 mph. Chance of rain 10 percent. .MONDAY NIGHT...Clear. Lows 75 to 85. Southwest wind 5 to 10 mph in the evening becoming northwest after midnight. .TUESDAY...Sunny. Highs 99 to 109. North wind 5 to 10 mph in the morning becoming south in the afternoon. .TUESDAY NIGHT...Clear. Lows 76 to 86. West wind 5 to 15 mph. .WEDNESDAY...Mostly sunny. Highs 95 to 109. .WEDNESDAY NIGHT...Mostly clear. Lows 71 to 87. .THURSDAY...Mostly sunny and hot. Highs 94 to 110. .THURSDAY NIGHT...Partly cloudy. Lows 71 to 87. .FRIDAY...Mostly sunny. Highs 93 to 109. .FRIDAY NIGHT...Partly cloudy. Lows 70 to 87. .SATURDAY...Sunny. Highs 92 to 108. .SATURDAY NIGHT...Clear. Lows 69 to 86. .SUNDAY...Sunny. Highs 90 to 106. $$ Visit us on Facebook, Twitter, and at weather.gov/phoenix