FPUS55 KPSR 170721 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 1221 AM MST Tue Mar 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>544-546-548-550-551-171100- 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 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 57 to 66. Northeast wind 5 to 10 mph. .TUESDAY...Mostly sunny. Highs 93 to 96. Northeast wind 5 to 10 mph in the morning becoming west around 5 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 58 to 68. Northwest wind around 5 mph in the evening becoming northeast after midnight. .WEDNESDAY...Sunny and hot. Highs 97 to 102. East wind around 5 mph in the morning becoming southwest in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 62 to 69. Northwest wind 5 to 10 mph in the evening becoming northeast after midnight. .THURSDAY...Mostly sunny and hot. Highs 101 to 106. .THURSDAY NIGHT...Clear. Lows 63 to 71. .FRIDAY...Sunny and hot. Highs 103 to 108. .FRIDAY NIGHT...Clear. Lows 64 to 71. .SATURDAY...Sunny and hot. Highs 103 to 109. .SATURDAY NIGHT...Clear. Lows 64 to 70. .SUNDAY...Mostly sunny and hot. Highs 98 to 104. .SUNDAY NIGHT...Partly cloudy. Lows 62 to 68. .MONDAY...Partly sunny and hot. Highs 94 to 100. $$ AZZ541-549-555-171100- Cave Creek/New River-Fountain Hills/East Mesa- Apache Junction/Gold Canyon- Including the cities of Scottsdale, Fountain Hills, and Apache Junction 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 55 to 65. Northeast wind 10 to 15 mph. .TUESDAY...Mostly sunny. Highs 90 to 95. Northeast wind 10 to 15 mph in the morning becoming west 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 57 to 67. North wind 5 to 10 mph. .WEDNESDAY...Sunny and hot. Highs 96 to 101. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 59 to 69. North wind 5 to 10 mph in the evening becoming northeast after midnight. .THURSDAY...Mostly sunny and hot. Highs 100 to 104. .THURSDAY NIGHT...Clear. Lows 65 to 72. .FRIDAY...Sunny and hot. Highs 101 to 107. .FRIDAY NIGHT...Clear. Lows 65 to 71. .SATURDAY...Sunny and hot. Highs 101 to 107. .SATURDAY NIGHT...Clear. Lows in the mid 60s to lower 70s. .SUNDAY...Partly sunny and hot. Highs 97 to 103. .SUNDAY NIGHT...Partly cloudy. Lows 63 to 68. .MONDAY...Partly sunny. Highs 93 to 99. $$ AZZ553-554-171100- Northwest Pinal County-West Pinal County- Including the cities of Casa Grande, Cactus Forest, Florence, and Coolidge 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 51 to 61. Northeast wind around 5 mph. .TUESDAY...Sunny. Highs 91 to 96. Northeast wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 55 to 65. Northwest wind around 5 mph in the evening becoming southeast after midnight. .WEDNESDAY...Sunny and hot. Highs 97 to 102. East wind around 5 mph in the morning becoming north 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 56 to 66. Northwest wind around 5 mph in the evening becoming southeast after midnight. .THURSDAY...Mostly sunny and hot. Highs 100 to 106. .THURSDAY NIGHT...Clear. Lows 59 to 67. .FRIDAY...Sunny and hot. Highs 102 to 108. .FRIDAY NIGHT...Clear. Lows 60 to 68. .SATURDAY...Sunny and hot. Highs 102 to 108. .SATURDAY NIGHT...Clear. Lows 61 to 69. .SUNDAY...Mostly sunny and hot. Highs 100 to 104. .SUNDAY NIGHT...Mostly clear. Lows 59 to 66. .MONDAY...Mostly sunny and hot. Highs 95 to 101. $$ AZZ532-171100- Yuma- Including the cities of Yuma and Fortuna Foothills 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 62 to 66. North wind 5 to 10 mph. .TUESDAY...Mostly sunny. Highs near 99. North wind 5 to 15 mph. .TUESDAY NIGHT...Clear. Lows 62 to 66. Northwest wind around 5 mph in the evening becoming light after midnight. .WEDNESDAY...Sunny and hot. Highs near 103. Northeast wind around 5 mph in the morning becoming northwest in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 63 to 67. West wind around 5 mph in the evening becoming east after midnight. .THURSDAY...Sunny and hot. Highs 104 to 106. .THURSDAY NIGHT...Clear. Lows 66 to 71. .FRIDAY...Sunny and hot. Highs 106 to 108. .FRIDAY NIGHT...Clear. Lows 66 to 71. .SATURDAY...Sunny and hot. Highs 107 to 109. .SATURDAY NIGHT...Mostly clear. Lows in the mid 60s to lower 70s. .SUNDAY...Partly sunny and hot. Highs 100 to 104. .SUNDAY NIGHT...Partly cloudy. Lows 62 to 67. .MONDAY...Mostly sunny. Highs 96 to 100. $$ AZZ562-171100- Globe/Miami- Including the cities of Globe and Miami 1221 AM MST Tue Mar 17 2026 .TONIGHT...Clear. Lows 44 to 54. Northeast wind 5 to 10 mph. .TUESDAY...Sunny. Highs 78 to 88. East wind 5 to 10 mph in the morning becoming northeast in the afternoon. .TUESDAY NIGHT...Clear. Not as cool. Lows 49 to 59. Northwest wind 5 to 10 mph. .WEDNESDAY...Sunny and warmer. Highs 83 to 93. Northeast wind around 5 mph in the morning becoming northwest 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 51 to 61. Northwest wind 5 to 10 mph in the evening becoming northeast around 5 mph after midnight. .THURSDAY...Sunny and warmer. Highs 92 to 98. .THURSDAY NIGHT...Clear. Lows in the lower 60s. .FRIDAY...Sunny and hot. Highs 94 to 100. .FRIDAY NIGHT...Clear. Lows in the lower to mid 60s. .SATURDAY...Sunny and hot. Highs 94 to 100. .SATURDAY NIGHT...Clear. Lows in the lower to mid 60s. .SUNDAY...Mostly sunny. Highs 90 to 96. .SUNDAY NIGHT...Partly cloudy. Lows near 60. .MONDAY...Mostly sunny. Highs 86 to 92. $$ AZZ545-547-552-561-171100- New River Mesa-Rio Verde/Salt River-Superior-Dripping Springs- Including the cities of Tortilla Flat, Superior, Hayden, and Winkelman 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 53 to 63. Northeast wind 10 to 15 mph. .TUESDAY...Mostly sunny and warmer. Highs 91 to 96. Northeast wind 10 to 15 mph in the morning becoming northwest 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 56 to 66. Northeast wind 5 to 10 mph. .WEDNESDAY...Sunny and hot. Highs 96 to 101. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 60 to 70. North wind 5 to 10 mph in the evening becoming northeast 10 to 15 mph after midnight. .THURSDAY...Sunny and hot. Highs 93 to 105. .THURSDAY NIGHT...Clear. Lows 62 to 71. .FRIDAY...Sunny and hot. Highs 94 to 106. .FRIDAY NIGHT...Clear. Lows 63 to 71. .SATURDAY...Sunny and hot. Highs 94 to 106. .SATURDAY NIGHT...Clear. Lows 62 to 70. .SUNDAY...Partly sunny and hot. Highs 89 to 103. .SUNDAY NIGHT...Partly cloudy. Lows 60 to 68. .MONDAY...Partly sunny. Not as warm. Highs 86 to 98. $$ AZZ556>558-171100- Tonto Basin-Mazatzal Mountains-Pinal/Superstition Mountains- Including the cities of Punkin Center and Sunflower 1221 AM MST Tue Mar 17 2026 .TONIGHT...Clear. Lows 49 to 59. Northeast wind 10 to 15 mph. .TUESDAY...Sunny and warmer. Highs 86 to 91. Northeast wind 10 to 15 mph in the morning becoming north 5 to 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 53 to 63. North wind 5 to 10 mph. .WEDNESDAY...Sunny and warmer. Highs 91 to 96. Northeast wind 5 to 10 mph in the morning becoming northwest in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 55 to 65. Northwest wind 5 to 10 mph in the evening becoming northeast 10 to 15 mph after midnight. .THURSDAY...Sunny and hot. Highs 86 to 100. .THURSDAY NIGHT...Clear. Lows 59 to 67. .FRIDAY...Sunny and hot. Highs 87 to 101. .FRIDAY NIGHT...Clear. Lows 59 to 67. .SATURDAY...Sunny and hot. Highs 87 to 101. .SATURDAY NIGHT...Clear. Lows 57 to 66. .SUNDAY...Sunny in the morning then becoming partly sunny. Highs 83 to 97. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 64. .MONDAY...Partly sunny. Highs 79 to 93. $$ AZZ560-563-171100- San Carlos-Southeast Gila County- Including the cities of San Carlos and Peridot 1221 AM MST Tue Mar 17 2026 .TONIGHT...Clear. Lows 46 to 56. Northeast wind 10 to 15 mph. .TUESDAY...Sunny and warmer. Highs 78 to 88. Northeast wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 50 to 60. North wind 5 to 10 mph. .WEDNESDAY...Sunny and warmer. Highs 84 to 94. North wind 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 52 to 62. Northeast wind 5 to 10 mph. .THURSDAY...Sunny. Highs 85 to 97. .THURSDAY NIGHT...Clear. Lows 45 to 65. .FRIDAY...Sunny. Highs 87 to 99. .FRIDAY NIGHT...Clear. Lows 46 to 65. .SATURDAY...Sunny and hot. Highs 86 to 100. .SATURDAY NIGHT...Clear. Lows 46 to 65. .SUNDAY...Mostly sunny. Highs 82 to 96. .SUNDAY NIGHT...Partly cloudy. Lows 43 to 62. .MONDAY...Partly sunny in the morning then becoming sunny. Highs 78 to 92. $$ AZZ539-559-171100- Gila Bend-Sonoran Desert Natl Monument- Including the cities of Gila Bend, Sentinel, and Kaka 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 56 to 66. East wind 5 to 10 mph. .TUESDAY...Sunny. Highs 93 to 98. Northeast wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 60 to 70. Northwest wind around 5 mph in the evening becoming light after midnight. .WEDNESDAY...Sunny and hot. Highs 97 to 102. East wind around 5 mph in the morning becoming northwest in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows 62 to 72. West wind around 5 mph in the evening becoming light after midnight. .THURSDAY...Sunny and hot. Highs 101 to 107. .THURSDAY NIGHT...Clear. Lows 63 to 74. .FRIDAY...Sunny and hot. Highs 103 to 109. .FRIDAY NIGHT...Clear. Lows 64 to 74. .SATURDAY...Sunny and hot. Highs 102 to 109. .SATURDAY NIGHT...Clear. Lows 65 to 74. .SUNDAY...Mostly sunny and hot. Highs 98 to 104. .SUNDAY NIGHT...Mostly clear. Lows 62 to 70. .MONDAY...Mostly sunny and hot. Highs 93 to 100. $$ AZZ534-538-171100- Aguila Valley-Tonopah Desert- Including the cities of Aguila, Gladden, Wickenburg, Arlington, Hassayampa, Tonopah, and Wintersburg 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 56 to 66. North wind 5 to 10 mph. .TUESDAY...Mostly sunny. Highs 92 to 97. Northeast wind 5 to 10 mph in the morning becoming northwest in the afternoon. .TUESDAY NIGHT...Clear. Lows 59 to 69. Northwest wind around 5 mph in the evening becoming north after midnight. .WEDNESDAY...Sunny and hot. Highs 97 to 102. Northeast wind 5 to 10 mph in the morning becoming south around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 60 to 70. Northwest wind around 5 mph in the evening becoming north after midnight. .THURSDAY...Mostly sunny and hot. Highs 100 to 106. .THURSDAY NIGHT...Clear. Lows 61 to 71. .FRIDAY...Sunny and hot. Highs 102 to 108. .FRIDAY NIGHT...Clear. Lows 62 to 72. .SATURDAY...Sunny and hot. Highs 101 to 108. .SATURDAY NIGHT...Clear. Lows 61 to 71. .SUNDAY...Mostly sunny and hot. Highs 95 to 103. .SUNDAY NIGHT...Partly cloudy. Lows 59 to 69. .MONDAY...Mostly sunny. Not as warm. Highs 92 to 98. $$ AZZ531-533-171100- Kofa-Central La Paz- Including the cities of Palm Canyon, Brenda, Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, and Salome 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Mostly clear. Lows 58 to 68. North wind 5 to 10 mph. .TUESDAY...Mostly sunny. Highs 93 to 98. North wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 60 to 70. Northwest wind 5 to 10 mph in the evening becoming north around 5 mph after midnight. .WEDNESDAY...Sunny and hot. Highs 98 to 103. Northeast wind 5 to 10 mph in the morning becoming west in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 62 to 72. Northwest wind 5 to 10 mph in the evening becoming northeast around 5 mph after midnight. .THURSDAY...Sunny and hot. Highs 98 to 106. .THURSDAY NIGHT...Clear. Lows 61 to 74. .FRIDAY...Sunny and hot. Highs 100 to 108. .FRIDAY NIGHT...Clear. Lows 63 to 75. .SATURDAY...Sunny and hot. Highs 100 to 108. .SATURDAY NIGHT...Mostly clear. Lows 61 to 72. .SUNDAY...Partly sunny and hot. Highs 94 to 102. .SUNDAY NIGHT...Partly cloudy. Lows 60 to 70. .MONDAY...Mostly sunny. Highs 91 to 99. $$ AZZ535-536-171100- Southeast Yuma County-Gila River Valley- Including the city of Ligurta 1221 AM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 56 to 66. North wind 5 to 10 mph. .TUESDAY...Mostly sunny. Highs 94 to 99. Northeast wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 60 to 70. Northwest wind around 5 mph. .WEDNESDAY...Sunny and hot. Highs 98 to 103. Northeast wind around 5 mph in the morning becoming northwest in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 61 to 71. West wind around 5 mph in the evening becoming light after midnight. .THURSDAY...Sunny and hot. Highs 103 to 107. .THURSDAY NIGHT...Clear. Lows 63 to 72. .FRIDAY...Sunny and hot. Highs 105 to 109. .FRIDAY NIGHT...Clear. Lows 64 to 73. .SATURDAY...Sunny and hot. Highs 105 to 109. .SATURDAY NIGHT...Mostly clear. Lows 64 to 71. .SUNDAY...Partly sunny and hot. Highs 100 to 104. .SUNDAY NIGHT...Partly cloudy. Lows 60 to 67. .MONDAY...Sunny. Not as warm. Highs 93 to 99. $$ AZZ530-CAZ569-171100- Parker Valley-Palo Verde Valley- Including the cities of Parker, Ehrenberg, Martinez Lake, Blythe, Palo Verde, and Ripley 1221 AM MST Tue Mar 17 2026 /1221 AM PDT Tue Mar 17 2026/ ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM MST /11 AM PDT/ WEDNESDAY TO 8 PM MST /8 PM PDT/ SUNDAY... .TONIGHT...Clear. Lows 56 to 66. North wind 10 to 15 mph. .TUESDAY...Mostly sunny and hot. Highs 95 to 100. North wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 58 to 68. Northwest wind 5 to 10 mph in the evening becoming north around 5 mph after midnight. .WEDNESDAY...Sunny and hot. Highs 99 to 104. North wind 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 57 to 67. Northwest wind around 5 mph in the evening becoming north after midnight. .THURSDAY...Sunny and hot. Highs 103 to 107. .THURSDAY NIGHT...Clear. Lows 60 to 70. .FRIDAY...Sunny and hot. Highs 105 to 109. .FRIDAY NIGHT...Clear. Lows 61 to 71. .SATURDAY...Sunny and hot. Highs 105 to 109. .SATURDAY NIGHT...Mostly clear. Lows 61 to 69. .SUNDAY...Partly sunny and hot. Highs 100 to 104. .SUNDAY NIGHT...Partly cloudy. Lows 60 to 67. .MONDAY...Mostly sunny and hot. Highs 95 to 101. $$ CAZ564-565-568-570-171100- Chuckwalla Mountains-Imperial County Southeast-Chiriaco Summit- Chuckwalla Valley- Including the cities of Imperial Hot Mineral Springs, Winterhaven, Chiriaco Summit, and Midland 1221 AM PDT Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 8 PM PDT SUNDAY... .TONIGHT...Mostly clear. Lows 61 to 71. North wind 10 to 15 mph. .TUESDAY...Mostly sunny and hot. Highs 95 to 100. North wind 10 to 15 mph. .TUESDAY NIGHT...Clear. Lows 62 to 72. Northwest wind 5 to 10 mph. .WEDNESDAY...Sunny and hot. Highs 99 to 104. North wind 5 to 10 mph. .WEDNESDAY NIGHT...Clear. Lows 63 to 73. Northwest wind 5 to 10 mph. .THURSDAY...Sunny and hot. Highs 97 to 107. .THURSDAY NIGHT...Clear. Lows 64 to 75. .FRIDAY...Sunny and hot. Highs 99 to 109. .FRIDAY NIGHT...Clear. Lows 66 to 76. .SATURDAY...Sunny and hot. Highs 97 to 109. .SATURDAY NIGHT...Mostly clear. Lows 64 to 72. .SUNDAY...Partly sunny and hot. Highs 92 to 104. .SUNDAY NIGHT...Partly cloudy. Lows 62 to 70. .MONDAY...Mostly sunny and hot. Highs 90 to 100. $$ CAZ563-567-171100- Salton Sea-Imperial Valley- Including the cities of Desert Shores, El Centro, Calexico, Alamorio, and Brawley 1221 AM PDT Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 8 PM PDT SUNDAY... .TONIGHT...Mostly clear and warmer. Lows 62 to 72. Northwest wind 5 to 10 mph. .TUESDAY...Mostly sunny and hot. Highs 96 to 101. Northwest wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 62 to 72. West wind around 5 mph. .WEDNESDAY...Sunny and hot. Highs 101 to 106. Southeast wind around 5 mph. .WEDNESDAY NIGHT...Clear. Lows 64 to 74. Northwest wind around 5 mph. .THURSDAY...Sunny and hot. Highs 99 to 109. .THURSDAY NIGHT...Clear. Lows 65 to 76. .FRIDAY...Sunny and very hot. Highs 101 to 111. .FRIDAY NIGHT...Clear. Lows 66 to 76. .SATURDAY...Sunny and very hot. Highs 101 to 111. .SATURDAY NIGHT...Mostly clear. Lows 63 to 73. .SUNDAY...Partly sunny and hot. Highs 96 to 106. .SUNDAY NIGHT...Partly cloudy. Lows 61 to 71. .MONDAY...Mostly sunny and hot. Highs 94 to 102. $$ CAZ566-171100- Imperial County West- Including the cities of Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City 1221 AM PDT Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 8 PM PDT SUNDAY... .TONIGHT...Mostly clear. Lows 64 to 74. Northwest wind 5 to 10 mph. .TUESDAY...Mostly sunny and hot. Highs 96 to 101. Northwest wind 5 to 10 mph in the morning becoming northeast around 5 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows 67 to 77. West wind 5 to 10 mph. .WEDNESDAY...Sunny and hot. Highs 100 to 105. Southwest wind around 5 mph in the morning becoming east in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 67 to 77. West wind 5 to 10 mph. .THURSDAY...Sunny and hot. Highs 103 to 107. .THURSDAY NIGHT...Clear. Lows 67 to 79. .FRIDAY...Sunny and hot. Highs 105 to 109. .FRIDAY NIGHT...Clear. Lows 67 to 78. .SATURDAY...Sunny and hot. Highs 105 to 109. .SATURDAY NIGHT...Partly cloudy. Lows 64 to 75. .SUNDAY...Partly sunny and hot. Highs 101 to 105. .SUNDAY NIGHT...Partly cloudy. Lows 64 to 73. .MONDAY...Mostly sunny and hot. Highs 98 to 102. $$ CAZ562-171100- Imperial County Southwest- Including the city of Mountain Spring 1221 AM PDT Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 8 PM PDT SUNDAY... .TONIGHT...Clear. Lows 67 to 77. Northwest wind 5 to 10 mph. .TUESDAY...Mostly sunny and hot. Highs 95 to 100. Northeast wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 71 to 81. West wind 5 to 10 mph. .WEDNESDAY...Sunny and hot. Highs 100 to 105. Southwest wind 5 to 10 mph in the morning becoming east in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 72 to 82. Southwest wind 5 to 15 mph. .THURSDAY...Sunny and hot. Highs 97 to 107. .THURSDAY NIGHT...Clear. Lows 72 to 83. .FRIDAY...Sunny and hot. Highs 99 to 109. .FRIDAY NIGHT...Clear. Lows 71 to 82. .SATURDAY...Sunny and hot. Highs 98 to 108. .SATURDAY NIGHT...Partly cloudy. Lows 67 to 78. .SUNDAY...Partly sunny and hot. Highs 93 to 105. .SUNDAY NIGHT...Partly cloudy. Lows 65 to 76. .MONDAY...Sunny and hot. Highs 91 to 101. $$ CAZ560-171100- Joshua Tree NP West- Including the cities of Cottonwood Visitor and Lost Horse-Keys Village 1221 AM PDT Tue Mar 17 2026 .TONIGHT...Mostly clear. Lows 58 to 68. North wind 5 to 15 mph. .TUESDAY...Mostly sunny and warmer. Highs 79 to 89. North wind 5 to 15 mph. .TUESDAY NIGHT...Clear. Lows 61 to 71. Northwest wind 5 to 10 mph. .WEDNESDAY...Sunny and warmer. Highs 84 to 94. North wind 5 to 10 mph in the morning becoming southeast in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 62 to 72. West wind 5 to 10 mph. .THURSDAY...Sunny. Highs 86 to 96. .THURSDAY NIGHT...Clear. Lows 61 to 73. .FRIDAY...Sunny. Highs 88 to 98. .FRIDAY NIGHT...Clear. Lows 59 to 72. .SATURDAY...Sunny. Highs 86 to 96. .SATURDAY NIGHT...Partly cloudy. Lows 56 to 68. .SUNDAY...Partly sunny. Not as warm. Highs 81 to 91. .SUNDAY NIGHT...Partly cloudy. Lows 54 to 67. .MONDAY...Mostly sunny. Highs 78 to 88. $$ CAZ561-171100- Joshua Tree NP East- 1221 AM PDT Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 8 PM PDT SUNDAY... .TONIGHT...Mostly clear. Lows 57 to 67. Northwest wind 5 to 10 mph. .TUESDAY...Sunny and warmer. Highs 86 to 96. North wind 5 to 10 mph. .TUESDAY NIGHT...Clear. Lows 60 to 70. Northwest wind 5 to 10 mph. .WEDNESDAY...Sunny and hot. Highs 90 to 100. Northwest wind 5 to 10 mph in the morning becoming east around 5 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 61 to 71. Southwest wind around 5 mph in the evening becoming west 5 to 10 mph after midnight. .THURSDAY...Sunny and hot. Highs 95 to 103. .THURSDAY NIGHT...Clear. Lows 66 to 72. .FRIDAY...Sunny and hot. Highs 96 to 104. .FRIDAY NIGHT...Clear. Lows 66 to 72. .SATURDAY...Sunny and hot. Highs 96 to 104. .SATURDAY NIGHT...Partly cloudy. Lows 64 to 69. .SUNDAY...Partly sunny. Not as warm. Highs 91 to 99. .SUNDAY NIGHT...Partly cloudy. Lows 63 to 68. .MONDAY...Sunny. Highs 88 to 96. $$ Visit us on Facebook, Twitter, and at weather.gov/phoenix