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December 20th, 2025 :: 11:12 am MST   

Local Weather Report for
Sidney
Montana, United States

 Current Sidney Weather Conditions Updated December 20th at 9:56 am 
Temperature:10°F Dew Point:-0°F
Barometer:30.01 inHg Wind:N 13 Mph
Humidity:55.2% Visibility:0M
 
 Sidney Weather Forecast Summary  
 
Today
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Tuesday
Dec 23rd
Wednesday
Dec 24th
Mostly Sunny Cloudy Cloudy Cloudy Cloudy
27°F
34°F
25°F
34°F
26°F
36°F
23°F
36°F
29°F
 
 Sidney Detailed Weather Forecast  
 
Saturday, December 20th, 2025
Afternoon Temperature: 20°F
Sunny.
Evening Temperature: 26°F
Clear. Windy at times.
Sunday, December 21st, 2025
Overnight Temperature: 25°F
A mix of cloudy and clear skies.
Morning Temperature: 33°F
Cloudy.
Afternoon Temperature: 29°F
Cloudy.
Evening Temperature: 28°F
Cloudy.
Monday, December 22nd, 2025
Overnight Temperature: 28°F
Cloudy.
Morning Temperature: 33°F
Cloudy.
Afternoon Temperature: 32°F
Sunny with cloudy periods.
Evening Temperature: 28°F
Clear with cloudy periods.
Tuesday, December 23rd, 2025
Overnight Temperature: 24°F
Cloudy.
Morning Temperature: 34°F
Cloudy. Windy at times.
Afternoon Temperature: 32°F
Cloudy. Windy at times.
Evening Temperature: 33°F
Cloudy.
Wednesday, December 24th, 2025
Overnight Temperature: 30°F
Cloudy.
Morning Temperature: 34°F
A mix of cloud and sun.
Afternoon Temperature: 31°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 33°F
Cloudy. Windy at times.
Thursday, December 25th, 2025
Overnight Temperature: 28°F
Cloudy. Windy at times.
Morning Temperature: 21°F
Cloudy. Windy.
Afternoon Temperature: 12°F
Cloudy. Windy.
Evening Temperature: 9°F
Clear with cloudy periods.
Friday, December 26th, 2025
Overnight Temperature: 12°F
Cloudy. Windy at times.
Morning Temperature: 22°F
Cloudy. Windy at times.
Afternoon Temperature: 22°F
Sunny.
Evening Temperature: 25°F
Cloudy.
Saturday, December 27th, 2025
Overnight Temperature: 24°F
Cloudy.
Morning Temperature: 28°F
Sunny.
Afternoon Temperature: 23°F
A mix of cloud and sun.
Evening Temperature: 21°F
Clear.
Sunday, December 28th, 2025
Overnight Temperature: 23°F
Clear.
Morning Temperature: 33°F
Sunny. Windy at times.
Afternoon Temperature: 30°F
Sunny. Windy at times.
Evening Temperature: 29°F
Clear.





 

  [ Local Weather Report ]
Williston, ND 
 
Glendive, MT 
9:56 AM  19°F
 
 
Wolf Point, MT 
9:53 AM  5°F
Mostly Sunny
 
Dickinson, ND 
9:56 AM  19°F
 
 
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Sybouts, SK 
 
Marienthal, SK 
 
Big Muddy, SK 
 
Beaubier, SK 
 
Hoffer, SK 

 
This WeatherCity Weather Forecast for Sidney, Montana, 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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