Expires:202512101100;;303152 FPUS55 KPSR 092326 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 426 PM MST Tue Dec 9 2025 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. CAZ562-101100- Imperial County Southwest- Including the city of Mountain Spring 326 PM PST Tue Dec 9 2025 .TONIGHT...Clear. Lows 55 to 65. West wind around 5 mph. .WEDNESDAY...Sunny. Highs 78 to 83. West wind around 5 mph in the morning becoming east in the afternoon. .WEDNESDAY NIGHT...Clear. Lows 55 to 65. West wind around 5 mph. .THURSDAY...Sunny. Highs 78 to 83. Northwest wind around 5 mph in the morning becoming east in the afternoon. .THURSDAY NIGHT...Clear. Lows 56 to 66. West wind around 5 mph. .FRIDAY...Mostly sunny. Highs 76 to 82. .FRIDAY NIGHT...Partly cloudy. Lows 55 to 64. .SATURDAY...Partly sunny. Highs 73 to 79. .SATURDAY NIGHT...Partly cloudy. Lows 54 to 64. .SUNDAY...Mostly sunny. Highs 72 to 80. .SUNDAY NIGHT...Mostly clear. Lows 53 to 62. .MONDAY...Sunny. Highs 72 to 80. .MONDAY NIGHT...Mostly clear. Lows 53 to 62. .TUESDAY...Mostly sunny. Highs 73 to 79. $$