Expires:202512252300;;203516 FPUS55 KPSR 251507 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 806 AM MST Thu Dec 25 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. CAZ564-565-568-252300- Chuckwalla Mountains-Imperial County Southeast-Chiriaco Summit- Including the cities of Imperial Hot Mineral Springs, Winterhaven, and Chiriaco Summit 706 AM PST Thu Dec 25 2025 .TODAY...Sunny. Highs 73 to 78. Southwest wind 5 to 15 mph. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows 45 to 55. West wind 5 to 10 mph. .FRIDAY...Partly cloudy in the morning then considerable cloudiness. Cooler. Highs 67 to 72. West wind 5 to 10 mph. .FRIDAY NIGHT...Considerable cloudiness in the evening then becoming partly cloudy. Lows 44 to 54. West wind 5 to 10 mph. .SATURDAY...Partly sunny in the morning then becoming mostly sunny. Highs 64 to 69. West wind 5 to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 43 to 50. .SUNDAY...Mostly sunny. Highs 57 to 69. .SUNDAY NIGHT...Partly cloudy. Lows 41 to 49. .MONDAY...Mostly sunny. Highs 57 to 69. .MONDAY NIGHT...Mostly clear. Lows 41 to 50. .TUESDAY...Partly sunny. Highs 61 to 71. .TUESDAY NIGHT...Partly cloudy. Lows 42 to 51. .WEDNESDAY...Partly cloudy. A 20 percent chance of showers in the afternoon. Highs 62 to 72. $$