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January 21st, 2026 :: 6:40 pm MST   

Local Weather Report for
Sidney
Montana, United States

 Current Sidney Weather Conditions Updated January 21st at 5:56 pm 
Overcast
Temperature:10°F Dew Point:3°F
Barometer:30.12 inHg Wind:N 15 Mph
Humidity:68.7% Visibility:0M
 
 Sidney Weather Forecast Summary  
 
Today
Jan 21st
Thursday
Jan 22nd
Friday
Jan 23rd
Saturday
Jan 24th
Sunday
Jan 25th
Cloudy Cloudy Cloudy Cloudy Sunny
25°F
2°F
-17°F
-3°F
-17°F
9°F
-14°F
0°F
-17°F
 
 Sidney Detailed Weather Forecast  
 
Wednesday, January 21st, 2026
Evening Temperature: 10°F
A mix of cloudy and clear skies with a slight chance of flurries. Windy.
Thursday, January 22nd, 2026
Overnight Temperature: 0°F
Cloudy. Windy at times.
Morning Temperature: -6°F
Cloudy. Windy.
Afternoon Temperature: -14°F
Mostly sunny. Windy at times.
Evening Temperature: -17°F
Clear.
Friday, January 23rd, 2026
Overnight Temperature: -17°F
Cloudy.
Morning Temperature: -6°F
Cloudy.
Afternoon Temperature: -6°F
Sunny.
Evening Temperature: -5°F
Cloudy.
Saturday, January 24th, 2026
Overnight Temperature: 4°F
Cloudy with a chance of flurries.
Morning Temperature: 8°F
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: 0°F
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: -11°F
Clear with cloudy periods.
Sunday, January 25th, 2026
Overnight Temperature: -17°F
Clear.
Morning Temperature: -5°F
Sunny.
Afternoon Temperature: -6°F
Sunny.
Evening Temperature: -1°F
Clear. Windy at times.
Monday, January 26th, 2026
Overnight Temperature: 7°F
Clear. Windy.
Morning Temperature: 24°F
Mostly sunny. Windy.
Afternoon Temperature: 17°F
Sunny.
Evening Temperature: 9°F
Clear.
Tuesday, January 27th, 2026
Overnight Temperature: 7°F
Cloudy.
Morning Temperature: 19°F
Cloudy.
Afternoon Temperature: 13°F
Cloudy.
Evening Temperature: 8°F
Cloudy.
Wednesday, January 28th, 2026
Overnight Temperature: 15°F
Cloudy. Windy at times.
Morning Temperature: 27°F
Cloudy. Windy at times.
Afternoon Temperature: 11°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 3°F
Clear with cloudy periods.
Thursday, January 29th, 2026
Overnight Temperature: 5°F
Cloudy.
Morning Temperature: 17°F
Cloudy.
Afternoon Temperature: 10°F
Sunny with cloudy periods.
Evening Temperature: 12°F
Cloudy with a slight chance of flurries.





 

  [ Local Weather Report ]
Williston, ND 
 
Glendive, MT 
5:56 PM  10°F
Mostly Clear
 
Wolf Point, MT 
5:53 PM  14°F
Mostly Cloudy
 
Dickinson, ND 
5:56 PM  10°F
Overcast
 
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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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