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February 21st, 2026 :: 10:51 am MST   

Local Weather Report for
Sidney
Montana, United States

 Current Sidney Weather Conditions Updated February 21st at 9:56 am 
Temperature:1°F Dew Point:-8°F
Barometer:30.48 inHg Wind:N 24 Mph
Humidity:49.4% Visibility:0M
 
 Sidney Weather Forecast Summary  
 
Today
Feb 21st
Sunday
Feb 22nd
Monday
Feb 23rd
Tuesday
Feb 24th
Wednesday
Feb 25th
Mostly Sunny Cloudy Cloudy Mix of rain and snow Cloudy
13°F
19°F
3°F
47°F
17°F
34°F
14°F
37°F
15°F
 
 Sidney Detailed Weather Forecast  
 
Saturday, February 21st, 2026
Morning Temperature: 11°F
Sunny. Windy at times.
Afternoon Temperature: 10°F
Sunny.
Evening Temperature: 5°F
Clear.
Sunday, February 22nd, 2026
Overnight Temperature: 3°F
Clear.
Morning Temperature: 16°F
Cloudy. Windy at times.
Afternoon Temperature: 17°F
Cloudy. Windy.
Evening Temperature: 16°F
Clear with cloudy periods. Windy at times.
Monday, February 23rd, 2026
Overnight Temperature: 19°F
Clear. Windy at times.
Morning Temperature: 41°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 38°F
Cloudy. Windy at times.
Evening Temperature: 37°F
Cloudy. Windy at times.
Tuesday, February 24th, 2026
Overnight Temperature: 31°F
Cloudy with a chance of flurries or showers. Risk of freezing rain.
Morning Temperature: 25°F
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: 20°F
Sunny with cloudy periods with a chance of flurries.
Evening Temperature: 15°F
Clear with cloudy periods.
Wednesday, February 25th, 2026
Overnight Temperature: 17°F
Clear with cloudy periods.
Morning Temperature: 34°F
Sunny.
Afternoon Temperature: 29°F
Cloudy.
Evening Temperature: 27°F
Clear. Windy at times.
Thursday, February 26th, 2026
Overnight Temperature: 28°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 42°F
A mix of sun and cloud. Windy.
Afternoon Temperature: 38°F
Sunny. Windy at times.
Evening Temperature: 36°F
A mix of clear and cloudy skies. Windy at times.
Friday, February 27th, 2026
Overnight Temperature: 36°F
Cloudy. Windy.
Morning Temperature: 45°F
Cloudy. Windy.
Afternoon Temperature: 31°F
Cloudy. Windy at times.
Evening Temperature: 26°F
Cloudy. Windy at times.
Saturday, February 28th, 2026
Overnight Temperature: 20°F
Cloudy. Windy at times.
Morning Temperature: 18°F
Cloudy with sunny periods. Windy at times.
Afternoon Temperature: 15°F
Cloudy. Windy at times.
Evening Temperature: 10°F
Clear with cloudy periods.
Sunday, March 1st, 2026
Overnight Temperature: 10°F
Clear.
Morning Temperature: 25°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 28°F
A mix of cloud and sun.
Evening Temperature: 24°F
Cloudy.





 

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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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