Expires:202512212300;;976347 FPUS55 KFGZ 211538 ZFPFGZ Zone Forecast Product for Northern Arizona National Weather Service Flagstaff AZ 837 AM MST Sun Dec 21 2025 These forecasts provide average values for large geographical areas. They may not be representative of the location you are interested in. For a more specific forecast...please visit weather.gov/flagstaff 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. AZZ006-212300- Grand Canyon Country- Including the cities of Grand Canyon Village, Supai, and North Rim 837 AM MST Sun Dec 21 2025 .TODAY...Mostly sunny early in the morning then becoming partly cloudy. Highs around 55 on the North Rim to around 77 along the Colorado River. Light winds becoming southwest around 15 mph early in the afternoon, then becoming light late in the afternoon. .TONIGHT...Partly cloudy. Lows around 42 on the North Rim to around 48 along the Colorado River. Light winds. .MONDAY...Partly cloudy. Highs around 56 on the North Rim to around 78 along the Colorado River. Light winds. .MONDAY NIGHT...Mostly cloudy. Lows 36 to 46. Light winds. .TUESDAY...Mostly cloudy. A slight chance of through the day. Highs 59 to 69. Light winds becoming south around 15 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows around 43 on the North Rim to around 51 along the Colorado River. .WEDNESDAY...Breezy, cooler. Mostly cloudy with rain showers likely and a slight chance of thunderstorms. Highs around 48 on the North Rim to around 69 along the Colorado River. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy. Rain showers likely and a slight chance of thunderstorms. Lows around 43 on the North Rim to around 53 along the Colorado River. Chance of precipitation 70 percent. .CHRISTMAS DAY...Rain showers likely and a slight chance of thunderstorms. Highs around 46 on the North Rim to around 67 along the Colorado River. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows around 40 on the North Rim to around 49 along the Colorado River. Chance of precipitation 50 percent. .FRIDAY THROUGH SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs around 44 on the North Rim to around 65 along the Colorado River. Lows around 39 on the North Rim to around 47 along the Colorado River. $$ =