Zone Forecast Product
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
307 FPUS55 KPSR 202301 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 400 PM MST Sun Sep 20 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>544-546-548-550-551-211100- 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 400 PM MST Sun Sep 20 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 74 to 81. Light wind. .MONDAY...Considerable cloudiness in the morning then becoming partly cloudy. Highs 96 to 101. Southeast wind 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 70 to 79. West wind 5 to 10 mph in the evening becoming light after midnight. .TUESDAY...Sunny. Highs 94 to 99. Southeast wind 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 73 to 81. East wind around 5 mph in the evening increasing to 10 to 15 mph after midnight. .WEDNESDAY...Mostly sunny. Highs 94 to 100. .WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 73 to 81. .THURSDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 94 to 100. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 75 to 82. .FRIDAY...Mostly sunny. Highs 95 to 101. .FRIDAY NIGHT...Partly cloudy. Lows 76 to 83. .SATURDAY...Partly sunny. Highs 96 to 102. .SATURDAY NIGHT...Partly cloudy. Lows 76 to 82. .SUNDAY...Partly sunny. A chance of showers and a slight chance of thunderstorms in the afternoon. Highs 94 to 100. Chance of rain 10 percent. $$ AZZ541-549-555-211100- Cave Creek/New River-Fountain Hills/East Mesa- Apache Junction/Gold Canyon- Including the cities of Scottsdale, Fountain Hills, and Apache Junction 400 PM MST Sun Sep 20 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 68 to 78. Northeast wind around 5 mph. .MONDAY...Partly cloudy. Highs 95 to 100. East wind around 5 mph in the morning becoming south 5 to 10 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 66 to 76. Northeast wind around 5 mph in the evening becoming light after midnight. .TUESDAY...Mostly sunny, otherwise partly cloudy with a slight chance of afternoon showers and thunderstorms. Highs 93 to 98. East wind 5 to 10 mph in the morning becoming south in the afternoon. Chance of rain 10 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 69 to 79. East wind 10 to 20 mph. Chance of rain 10 percent. .WEDNESDAY...Mostly sunny. Highs in the lower to mid 90s. .WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 71 to 77. .THURSDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs in the 90s. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 71 to 78. .FRIDAY...Mostly sunny. Highs 92 to 98. .FRIDAY NIGHT...Partly cloudy. Lows 73 to 79. .SATURDAY...Partly sunny. Highs 93 to 99. .SATURDAY NIGHT...Partly cloudy. Lows 73 to 79. .SUNDAY...Partly sunny. A chance of showers and a slight chance of thunderstorms in the afternoon. Highs 92 to 98. Chance of rain 10 percent. $$ AZZ553-554-211100- Northwest Pinal County-West Pinal County- Including the cities of Casa Grande, Maricopa, Florence, and Coolidge 400 PM MST Sun Sep 20 2026 .TONIGHT...Partly cloudy. Lows 67 to 77. West wind around 5 mph in the evening becoming southeast after midnight. .MONDAY...Partly cloudy. Highs 97 to 102. South wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 65 to 75. Southwest wind 5 to 10 mph in the evening becoming light after midnight. .TUESDAY...Mostly sunny, otherwise partly cloudy with a slight chance of afternoon showers and thunderstorms. Highs 94 to 99. Southeast wind around 5 mph. Chance of rain 10 percent. .TUESDAY NIGHT...Partly cloudy. Lows 68 to 78. East wind 5 to 15 mph. .WEDNESDAY...Mostly sunny. Highs 92 to 98. .WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 72 to 79. .THURSDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 92 to 98. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 72 to 78. .FRIDAY...Mostly sunny. Highs 93 to 99. .FRIDAY NIGHT...Partly cloudy. Lows 73 to 79. .SATURDAY...Partly sunny. Highs 94 to 100. .SATURDAY NIGHT...Partly cloudy. Lows 74 to 80. .SUNDAY...Partly sunny. A chance of showers and a slight chance of thunderstorms in the afternoon. Highs 93 to 99. Chance of rain 10 percent. $$ AZZ532-211100- Yuma- Including the cities of Yuma and Fortuna Foothills 400 PM MST Sun Sep 20 2026 .TONIGHT...Mostly cloudy and warmer. Lows 75 to 77. South wind 5 to 10 mph in the evening becoming east after midnight. .MONDAY...Partly sunny in the morning then becoming sunny. Highs near 101. Southeast wind 5 to 15 mph. .MONDAY NIGHT...Clear and cooler. Lows 70 to 71. South wind 5 to 10 mph. .TUESDAY...Sunny. Highs near 99. North wind 5 to 10 mph in the morning becoming west around 5 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 71 to 72. West wind around 5 mph in the evening becoming light after midnight. .WEDNESDAY...Sunny. Highs 100 to 103. .WEDNESDAY NIGHT...Mostly clear. Lows 75 to 80. .THURSDAY...Mostly sunny. Highs 101 to 105. .THURSDAY NIGHT...Mostly clear. Lows 77 to 82. .FRIDAY...Mostly sunny and hot. Highs 102 to 105. .FRIDAY NIGHT...Partly cloudy. Lows 76 to 81. .SATURDAY...Partly sunny. Highs 101 to 105. .SATURDAY NIGHT...Partly cloudy. Lows 77 to 82. .SUNDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 100 to 103. $$ AZZ562-211100- Globe/Miami- Including the cities of Globe and Miami 400 PM MST Sun Sep 20 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 58 to 68. Northwest wind around 5 mph in the evening becoming light after midnight. .MONDAY...Partly cloudy in the morning then considerable cloudiness. Highs 82 to 92. East wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 58 to 68. West wind around 5 mph in the evening becoming light after midnight. .TUESDAY...Partly cloudy. A slight chance of afternoon showers and thunderstorms. Highs 80 to 90. Southeast wind 5 to 10 mph. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Windy. Lows 58 to 68. East wind 10 to 20 mph. Gusts up to 40 mph. Chance of rain 20 percent. .WEDNESDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 80 to 86. .WEDNESDAY 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 60s. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A 30 percent chance of afternoon showers and thunderstorms. Highs in the lower to mid 80s. .THURSDAY NIGHT...Partly cloudy. A 30 percent chance of showers and thunderstorms in the evening. Lows in the mid to upper 60s. .FRIDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs in the 80s. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows in the mid to upper 60s. .SATURDAY...Partly cloudy. Highs in the mid to upper 80s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. .SUNDAY...Partly sunny. A chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the mid to upper 80s. Chance of rain 10 percent. $$ AZZ545-547-552-556>558-561-211100- New River Mesa-Rio Verde/Salt River-Superior-Tonto Basin- Mazatzal Mountains-Pinal/Superstition Mountains-Dripping Springs- Including the cities of Tortilla Flat, Superior, Punkin Center, Sunflower, Hayden, and Winkelman 400 PM MST Sun Sep 20 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 67 to 77. North wind around 5 mph in the evening becoming east after midnight. .MONDAY...Partly cloudy. Highs 93 to 98. Southeast wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly clear. Lows 66 to 76. East wind around 5 mph. .TUESDAY...Partly sunny. A slight chance of afternoon showers and thunderstorms. Highs 91 to 96. East wind 5 to 10 mph in the morning becoming south in the afternoon. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Breezy. Lows 66 to 76. East wind 10 to 20 mph. Gusts up to 30 mph. Chance of rain 10 percent. .WEDNESDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 78 to 94. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows 59 to 75. Chance of rain 20 percent. .THURSDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 78 to 94. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 59 to 75. .FRIDAY...Mostly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 79 to 95. .FRIDAY NIGHT...Partly cloudy. Lows 60 to 76. .SATURDAY...Partly cloudy. Highs 80 to 96. .SATURDAY NIGHT...Partly cloudy. Lows 61 to 77. .SUNDAY...Partly sunny. A chance of showers and a slight chance of thunderstorms in the afternoon. Highs 79 to 95. Chance of rain 10 percent. $$ AZZ560-563-211100- San Carlos-Southeast Gila County- Including the cities of San Carlos and Peridot 400 PM MST Sun Sep 20 2026 .TONIGHT...Considerable cloudiness. Lows 61 to 71. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .MONDAY...Partly cloudy. Highs 84 to 94. Southeast wind around 5 mph in the morning becoming southwest 5 to 10 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 61 to 71. East wind around 5 mph. .TUESDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Highs 80 to 90. Southeast wind 5 to 15 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Considerable cloudiness with a chance of showers and a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Windy. Lows 61 to 71. East wind 15 to 25 mph. Gusts up to 35 mph. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of afternoon showers and thunderstorms. Highs 73 to 87. Chance of rain 50 percent. Rainfall less than a quarter of an inch, except locally higher in thunderstorms. .WEDNESDAY NIGHT...Considerable cloudiness. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows 49 to 70. Chance of rain 30 percent. .THURSDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of afternoon showers and thunderstorms. Highs 73 to 87. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows 50 to 70. Chance of rain 40 percent. .FRIDAY...Partly sunny. A 20 percent chance of afternoon showers and thunderstorms. Highs 74 to 88. .FRIDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 50 to 71. .SATURDAY...Considerable cloudiness in the morning then becoming partly sunny. Highs 75 to 89. .SATURDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 51 to 71. .SUNDAY...Partly cloudy. A 20 percent chance of afternoon showers and thunderstorms. Highs 74 to 90. $$ AZZ539-559-211100- Gila Bend-Sonoran Desert Natl Monument- Including the cities of Gila Bend, Sentinel, and Kaka 400 PM MST Sun Sep 20 2026 .TONIGHT...Partly cloudy in the evening then considerable cloudiness. Lows 69 to 79. South wind 5 to 10 mph. .MONDAY...Partly cloudy. Highs 98 to 103. South wind 5 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows 65 to 75. Southwest wind 10 to 15 mph in the evening becoming south around 5 mph after midnight. .TUESDAY...Sunny. Highs 95 to 100. Southeast wind around 5 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 67 to 77. South wind around 5 mph in the evening becoming southeast after midnight. .WEDNESDAY...Mostly sunny. Highs 94 to 101. .WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 72 to 80. .THURSDAY...Mostly sunny. Highs 94 to 102. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 73 to 81. .FRIDAY...Mostly sunny. Highs 95 to 103. .FRIDAY NIGHT...Partly cloudy. Lows 75 to 81. .SATURDAY...Partly sunny. Highs 96 to 103. .SATURDAY NIGHT...Partly cloudy. Lows 75 to 81. .SUNDAY...Partly sunny. A slight chance of showers in the morning, then a slight chance of afternoon showers and thunderstorms. Highs 94 to 101. Chance of rain 20 percent. $$ AZZ534-538-211100- Aguila Valley-Tonopah Desert- Including the cities of Aguila, Gladden, Wickenburg, Arlington, Hassayampa, Tonopah, and Wintersburg 400 PM MST Sun Sep 20 2026 .TONIGHT...Considerable cloudiness. Lows 69 to 79. South wind around 5 mph in the evening becoming light after midnight. .MONDAY...Considerable cloudiness in the morning then becoming sunny. Highs 97 to 102. East wind 5 to 10 mph in the morning becoming south 5 to 15 mph in the afternoon. .MONDAY NIGHT...Clear and cooler. Lows 64 to 74. Southwest wind 5 to 10 mph in the evening becoming southeast around 5 mph after midnight. .TUESDAY...Sunny. Highs 94 to 99. East wind 5 to 10 mph in the morning becoming south in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 68 to 78. Northeast wind 5 to 10 mph. .WEDNESDAY...Mostly sunny. Highs 92 to 100. .WEDNESDAY NIGHT...Partly cloudy. Lows 70 to 79. .THURSDAY...Mostly sunny. Highs 92 to 100. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 71 to 81. .FRIDAY...Mostly sunny. Highs 92 to 102. .FRIDAY NIGHT...Partly cloudy. Lows 71 to 80. .SATURDAY...Partly sunny. Highs 93 to 103. .SATURDAY NIGHT...Partly cloudy. Lows 71 to 80. .SUNDAY...Partly sunny. A slight chance of showers in the morning, then a slight chance of afternoon showers and thunderstorms. Highs 91 to 101. Chance of rain 20 percent. $$ AZZ531-533-211100- Kofa-Central La Paz- Including the cities of Palm Canyon, Brenda, Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, and Salome 400 PM MST Sun Sep 20 2026 .TONIGHT...Mostly cloudy. Lows 68 to 78. Southeast wind 5 to 10 mph. .MONDAY...Partly sunny in the morning then becoming sunny. Breezy. Highs 94 to 99. Southeast wind 10 to 15 mph. Gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Clear and cooler. Lows 63 to 73. South wind 10 to 15 mph in the evening becoming southeast around 5 mph after midnight. .TUESDAY...Sunny. Highs 92 to 97. Southeast wind around 5 mph in the morning becoming south 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 67 to 77. South wind around 5 mph in the evening becoming northeast 5 to 10 mph after midnight. .WEDNESDAY...Sunny. Highs 91 to 101. .WEDNESDAY NIGHT...Mostly clear. Lows 71 to 79. .THURSDAY...Partly sunny in the morning then becoming sunny. Highs 92 to 102. .THURSDAY NIGHT...Partly cloudy. A 10 percent chance of showers and thunderstorms in the evening. Lows 72 to 80. .FRIDAY...Mostly sunny. Highs 93 to 103. .FRIDAY NIGHT...Partly cloudy. Lows 72 to 80. .SATURDAY...Partly sunny. Highs 93 to 103. .SATURDAY NIGHT...Partly cloudy. Lows 72 to 80. .SUNDAY...Partly sunny. A 10 percent chance of afternoon showers and thunderstorms. Highs 91 to 101. $$ AZZ535-536-211100- Southeast Yuma County-Gila River Valley- Including the city of Ligurta 400 PM MST Sun Sep 20 2026 .TONIGHT...Mostly cloudy. Lows 68 to 78. Southeast wind 5 to 10 mph. .MONDAY...Considerable cloudiness in the morning then becoming sunny. Highs 96 to 101. South wind 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows 64 to 74. South wind 5 to 10 mph. .TUESDAY...Sunny. Highs 94 to 99. Light wind. .TUESDAY NIGHT...Mostly clear. Lows 66 to 76. Southwest wind around 5 mph in the evening becoming light after midnight. .WEDNESDAY...Sunny. Highs 98 to 102. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid to upper 70s. .THURSDAY...Partly sunny in the morning then becoming sunny. Highs 99 to 103. .THURSDAY NIGHT...Mostly clear. Lows 76 to 81. .FRIDAY...Mostly sunny. Highs 100 to 104. .FRIDAY NIGHT...Partly cloudy. Lows near 80. .SATURDAY...Partly sunny. Highs 100 to 104. .SATURDAY NIGHT...Partly cloudy. Lows near 80. .SUNDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs 98 to 102. $$ AZZ530-CAZ569-211100- Parker Valley-Palo Verde Valley- Including the cities of Parker, Ehrenberg, Martinez Lake, Blythe, Palo Verde, and Ripley 400 PM MST Sun Sep 20 2026 /400 PM PDT Sun Sep 20 2026/ .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Warmer. Lows 68 to 78. South wind 5 to 10 mph. .MONDAY...Sunny and breezy. Highs 97 to 102. Southeast wind 10 to 15 mph. Gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Clear and cooler. Lows 63 to 73. Southwest wind 5 to 15 mph. .TUESDAY...Sunny. Highs 95 to 100. Northwest wind 5 to 10 mph in the morning becoming west in the afternoon. .TUESDAY NIGHT...Clear. Lows 65 to 75. West wind 5 to 10 mph in the evening becoming north around 5 mph after midnight. .WEDNESDAY...Sunny. Highs 97 to 103. .WEDNESDAY NIGHT...Clear. Lows 73 to 78. .THURSDAY...Mostly sunny and hot. Highs 99 to 105. .THURSDAY NIGHT...Mostly clear. Lows 75 to 80. .FRIDAY...Mostly sunny and hot. Highs 99 to 105. .FRIDAY NIGHT...Mostly clear. Lows 73 to 79. .SATURDAY...Mostly sunny and hot. Highs 99 to 105. .SATURDAY NIGHT...Mostly clear. Lows 73 to 79. .SUNDAY...Partly sunny. Highs 97 to 103. $$ CAZ564-565-568-570-211100- Chuckwalla Mountains-Imperial County Southeast-Chiriaco Summit- Chuckwalla Valley- Including the cities of Imperial Hot Mineral Springs, Winterhaven, Chiriaco Summit, and Midland 400 PM PDT Sun Sep 20 2026 .TONIGHT...Considerable cloudiness. Lows 68 to 78. Southeast wind 5 to 10 mph. .MONDAY...Mostly sunny. Highs 95 to 100. Southeast wind 5 to 10 mph in the morning becoming south 10 to 15 mph in the afternoon. .MONDAY NIGHT...Clear and cooler. Lows 63 to 73. West wind 10 to 15 mph. .TUESDAY...Sunny. Highs 93 to 98. Northwest wind 5 to 10 mph in the morning becoming southwest in the afternoon. .TUESDAY NIGHT...Clear. Lows 66 to 76. Northwest wind 5 to 10 mph. .WEDNESDAY...Sunny. Highs 91 to 101. .WEDNESDAY NIGHT...Clear. Lows 71 to 79. .THURSDAY...Sunny. Highs 92 to 104. .THURSDAY NIGHT...Clear. Lows 73 to 81. .FRIDAY...Mostly sunny and hot. Highs 93 to 105. .FRIDAY NIGHT...Mostly clear. Lows 72 to 80. .SATURDAY...Mostly sunny. Highs 92 to 104. .SATURDAY NIGHT...Partly cloudy. Lows 72 to 80. .SUNDAY...Partly sunny. Highs 90 to 102. $$ CAZ563-567-211100- Salton Sea-Imperial Valley- Including the cities of Desert Shores, El Centro, Calexico, Alamorio, and Brawley 400 PM PDT Sun Sep 20 2026 .TONIGHT...Considerable cloudiness in the evening then becoming partly cloudy. Lows 70 to 80. Southwest wind 5 to 10 mph in the evening becoming southeast after midnight. .MONDAY...Sunny. Highs 97 to 102. Northwest wind around 5 mph in the morning becoming west 10 to 15 mph in the afternoon. .MONDAY NIGHT...Clear. Lows 66 to 76. West wind 10 to 15 mph. .TUESDAY...Sunny. Highs 95 to 100. West wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 70 to 80. Northwest wind around 5 mph in the evening increasing to 10 to 15 mph after midnight. .WEDNESDAY...Sunny. Highs 96 to 104. .WEDNESDAY NIGHT...Clear. Lows 74 to 82. .THURSDAY...Sunny and hot. Highs 98 to 106. .THURSDAY NIGHT...Clear. Lows 76 to 83. .FRIDAY...Mostly sunny and hot. Highs 98 to 108. .FRIDAY NIGHT...Mostly clear. Lows 76 to 83. .SATURDAY...Mostly sunny and hot. Highs 98 to 106. .SATURDAY NIGHT...Partly cloudy. Lows 75 to 81. .SUNDAY...Partly sunny. Highs 96 to 104. $$ CAZ566-211100- Imperial County West- Including the cities of Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City 400 PM PDT Sun Sep 20 2026 .TONIGHT...Considerable cloudiness in the evening then becoming partly cloudy. Lows 69 to 79. West wind 5 to 10 mph. .MONDAY...Mostly sunny and breezy. Highs 96 to 101. West wind 10 to 15 mph in the morning increasing to 15 to 25 mph in the afternoon. .MONDAY NIGHT...Clear and breezy. Lows 65 to 75. West wind 15 to 25 mph. .TUESDAY...Sunny. Highs 95 to 100. West wind 10 to 15 mph in the morning becoming northeast around 5 mph in the afternoon. .TUESDAY NIGHT...Clear and warmer. Lows 70 to 80. West wind 5 to 10 mph. .WEDNESDAY...Sunny. Highs 99 to 103. .WEDNESDAY NIGHT...Clear. Lows 76 to 82. .THURSDAY...Sunny and hot. Highs 101 to 105. .THURSDAY NIGHT...Clear. Lows 78 to 83. .FRIDAY...Mostly sunny and hot. Highs 102 to 106. .FRIDAY NIGHT...Mostly clear. Lows 77 to 82. .SATURDAY...Partly sunny and hot. Highs 102 to 106. .SATURDAY NIGHT...Partly cloudy. Lows 75 to 81. .SUNDAY...Partly sunny. Highs 99 to 103. $$ CAZ562-211100- Imperial County Southwest- Including the city of Mountain Spring 400 PM PDT Sun Sep 20 2026 .TONIGHT...Considerable cloudiness in the evening then becoming partly cloudy. Breezy. Lows 70 to 80. Southwest wind 15 to 25 mph. .MONDAY...Mostly sunny and windy. Highs 96 to 101. Southwest wind 15 to 25 mph. Gusts up to 40 mph. .MONDAY NIGHT...Clear and windy. Lows 66 to 76. Southwest wind 20 to 30 mph. Gusts up to 40 mph. .TUESDAY...Sunny and breezy. Highs 94 to 99. West wind 10 to 20 mph in the morning becoming northeast 5 to 10 mph in the afternoon. Gusts up to 30 mph in the morning. .TUESDAY NIGHT...Clear and warmer. Lows 72 to 82. West wind 5 to 15 mph. .WEDNESDAY...Sunny. Highs 92 to 102. .WEDNESDAY NIGHT...Clear. Lows 74 to 85. .THURSDAY...Sunny. Highs 94 to 104. .THURSDAY NIGHT...Clear. Lows 73 to 86. .FRIDAY...Mostly sunny and hot. Highs 95 to 105. .FRIDAY NIGHT...Mostly clear. Lows 73 to 84. .SATURDAY...Partly sunny and hot. Highs 95 to 105. .SATURDAY NIGHT...Partly cloudy. Lows 73 to 84. .SUNDAY...Partly sunny. Highs 93 to 103. $$ CAZ560-561-211100- Joshua Tree NP West-Joshua Tree NP East- Including the cities of Cottonwood Visitor and Lost Horse-Keys Village 400 PM PDT Sun Sep 20 2026 .TONIGHT...Partly cloudy. Lows 65 to 75. South wind 5 to 10 mph in the evening becoming light after midnight. .MONDAY...Partly sunny in the morning then becoming mostly sunny. Highs 84 to 94. Southeast wind 5 to 10 mph in the morning becoming south 5 to 15 mph in the afternoon. .MONDAY NIGHT...Clear. Lows 61 to 71. West wind 5 to 15 mph. .TUESDAY...Sunny. Highs 81 to 91. Northwest wind 10 to 15 mph in the morning becoming east 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 64 to 74. North wind around 5 mph in the evening becoming northwest 10 to 15 mph after midnight. .WEDNESDAY...Sunny. Highs 80 to 94. .WEDNESDAY NIGHT...Clear. Lows 63 to 76. .THURSDAY...Sunny. Highs 82 to 96. .THURSDAY NIGHT...Clear. Lows 62 to 76. .FRIDAY...Mostly sunny. Highs 82 to 98. .FRIDAY NIGHT...Mostly clear. Lows 61 to 76. .SATURDAY...Partly sunny. Highs 81 to 97. .SATURDAY NIGHT...Partly cloudy. Lows 60 to 75. .SUNDAY...Partly sunny. Highs 79 to 95. $$ Visit us on Facebook, Twitter, and at weather.gov/phoenix