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December 18th, 2025 :: 11:52 am CST   

Local Weather Report for
Flag Island
Minnesota, United States

 Flag Island Weather Forecast Summary  
 
Today
Dec 18th
Friday
Dec 19th
Saturday
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Flurries Flurries Cloudy Cloudy Cloudy
23°F
16°F
-16°F
20°F
-3°F
10°F
-10°F
30°F
7°F
 
 Flag Island Detailed Weather Forecast  
 
Thursday, December 18th, 2025
Morning Temperature: 4°F
Cloudy with a few flurries. Wind 25 to 40 mph.
Afternoon Temperature: -1°F
Cloudy with flurries likely. Windy.
Evening Temperature: -7°F
Mostly clear. Windy at times.
Friday, December 19th, 2025
Overnight Temperature: -15°F
Clear.
Morning Temperature: -6°F
Cloudy. Windy at times.
Afternoon Temperature: 5°F
Cloudy with a chance of flurries. Windy.
Evening Temperature: 14°F
Cloudy with flurries likely. Windy.
Saturday, December 20th, 2025
Overnight Temperature: 12°F
Cloudy with a chance of flurries. Windy.
Morning Temperature: 6°F
Cloudy with a slight chance of flurries. Windy.
Afternoon Temperature: 4°F
Cloudy. Windy.
Evening Temperature: -1°F
Cloudy. Windy at times.
Sunday, December 21st, 2025
Overnight Temperature: -7°F
Cloudy.
Morning Temperature: -1°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 9°F
Sunny. Windy at times.
Evening Temperature: 10°F
Clear. Windy at times.
Monday, December 22nd, 2025
Overnight Temperature: 8°F
Cloudy.
Morning Temperature: 22°F
Cloudy. Windy at times.
Afternoon Temperature: 28°F
Cloudy.
Evening Temperature: 13°F
Cloudy. Windy at times.
Tuesday, December 23rd, 2025
Overnight Temperature: 3°F
Cloudy. Windy at times.
Morning Temperature: 1°F
Cloudy.
Afternoon Temperature: 1°F
Cloudy.
Evening Temperature: 5°F
Cloudy.
Wednesday, December 24th, 2025
Overnight Temperature: 16°F
Cloudy. Windy at times.
Morning Temperature: 18°F
Cloudy.
Afternoon Temperature: 15°F
Cloudy.
Evening Temperature: 13°F
Cloudy. Windy at times.
Thursday, December 25th, 2025
Overnight Temperature: 11°F
Cloudy. Windy at times.
Morning Temperature: 12°F
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: 12°F
Cloudy with flurries likely. Windy at times.
Evening Temperature: 8°F
A mix of cloudy and clear skies with a chance of flurries. Windy at times.
Friday, December 26th, 2025
Overnight Temperature: 1°F
Cloudy.
Morning Temperature: 0°F
Cloudy.
Afternoon Temperature: -4°F
Sunny.
Evening Temperature: -9°F
Clear with cloudy periods.





 

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This WeatherCity Weather Forecast for Flag Island, Minnesota, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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