Expires:202512211100;;939728 FPUS55 KPSR 202301 ZFPPSR Zone Forecast Product for Southwest Arizona/Southeast California National Weather Service Phoenix AZ 400 PM MST Sat Dec 20 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. 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 Sat Dec 20 2025 .TONIGHT...Clear. Lows 45 to 55. Northeast wind 5 to 10 mph. .SUNDAY...Sunny. Highs 77 to 82. Northeast wind 5 to 10 mph in the morning becoming south around 5 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 46 to 56. Northeast wind 5 to 10 mph. .MONDAY...Mostly sunny in the morning then becoming partly sunny. Highs 78 to 83. Northeast wind 5 to 10 mph in the morning becoming south in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 47 to 57. Northeast wind 5 to 10 mph. .TUESDAY...Mostly cloudy. Highs 76 to 82. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows 55 to 60. .WEDNESDAY...Considerable cloudiness with a 20 percent chance of showers. Cooler. Highs 69 to 77. .WEDNESDAY NIGHT...Considerable cloudiness with a 50 percent chance of showers. Lows 55 to 60. Rainfall up to three quarters of an inch possible. .CHRISTMAS DAY...Mostly cloudy. Showers likely in the morning, then a chance of showers in the afternoon. Highs 67 to 75. Chance of rain 60 percent. Rainfall up to a half of an inch possible. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the mid to upper 50s. .FRIDAY...Mostly cloudy with a 40 percent chance of showers. Highs 68 to 74. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of showers. Lows in the lower to mid 50s. .SATURDAY...Considerable cloudiness with a 30 percent chance of showers. Highs 66 to 72. $$