Expires:202512281100;;358540 FPUS55 KPSR 280706 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 1206 AM MST Sun Dec 28 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. CAZ564-565-568-570-281100- Chuckwalla Mountains-Imperial County Southeast-Chiriaco Summit- Chuckwalla Valley- Including the cities of Imperial Hot Mineral Springs, Winterhaven, Chiriaco Summit, and Midland 1106 PM PST Sat Dec 27 2025 .TONIGHT...Clear and colder. Lows 39 to 49. Northwest wind 10 to 20 mph. .SUNDAY...Mostly sunny and breezy. Highs 64 to 69. North wind 10 to 20 mph. Gusts up to 30 mph. .SUNDAY NIGHT...Clear and breezy. Lows 38 to 48. North wind 15 to 25 mph. .MONDAY...Sunny and windy. Highs 64 to 69. North wind 15 to 25 mph. Gusts up to 35 mph. .MONDAY NIGHT...Partly cloudy and breezy. Lows 40 to 50. North wind 10 to 20 mph. Gusts up to 30 mph. .TUESDAY...Partly sunny. Highs 60 to 70. .TUESDAY NIGHT...Partly cloudy. Lows 42 to 50. .WEDNESDAY...Partly cloudy. Highs 62 to 70. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows 46 to 53. Chance of rain 30 percent. .NEW YEARS DAY...Considerable cloudiness with a 40 percent chance of showers. Highs 58 to 66. .THURSDAY NIGHT...Considerable cloudiness. A chance of showers in the evening, then a slight chance of showers after midnight. Lows 46 to 52. Chance of rain 30 percent. .FRIDAY...Considerable cloudiness with a 30 percent chance of showers. Highs 59 to 69. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows 47 to 54. .SATURDAY...Partly sunny with a 20 percent chance of showers. Highs 61 to 71. $$