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February 18th, 2026 :: 9:53 am MST   

Local Weather Report for
Sidney
Montana, United States

 Current Sidney Weather Conditions Updated February 18th at 8:56 am 
light snow
Temperature:9°F Dew Point:1°F
Barometer:29.68 inHg Wind:N 53 Mph
Humidity:67.5% Visibility:0M
 
 Sidney Weather Forecast Summary  
 
Today
Feb 18th
Thursday
Feb 19th
Friday
Feb 20th
Saturday
Feb 21st
Sunday
Feb 22nd
Flurries Cloudy Cloudy Cloudy Mix of Cloud and Sun
25°F
7°F
0°F
10°F
2°F
11°F
-2°F
9°F
-5°F
 
 Sidney Detailed Weather Forecast  
 
Wednesday, February 18th, 2026
Morning Temperature: 16°F
Cloudy with a slight chance of flurries. Windy.
Afternoon Temperature: 11°F
Cloudy. Windy at times.
Evening Temperature: 5°F
A mix of cloudy and clear skies. Windy at times.
Thursday, February 19th, 2026
Overnight Temperature: 1°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 5°F
Cloudy. Windy at times.
Afternoon Temperature: 5°F
Cloudy. Windy at times.
Evening Temperature: 3°F
Cloudy.
Friday, February 20th, 2026
Overnight Temperature: 3°F
Cloudy.
Morning Temperature: 9°F
Cloudy with a slight chance of flurries.
Afternoon Temperature: 9°F
Cloudy with a slight chance of flurries.
Evening Temperature: 6°F
Cloudy.
Saturday, February 21st, 2026
Overnight Temperature: 5°F
Cloudy. Windy at times.
Morning Temperature: 10°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 6°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 0°F
Clear.
Sunday, February 22nd, 2026
Overnight Temperature: -4°F
Clear.
Morning Temperature: 6°F
Sunny with cloudy periods.
Afternoon Temperature: 8°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 8°F
Clear. Windy at times.
Monday, February 23rd, 2026
Overnight Temperature: 11°F
Clear. Windy at times.
Morning Temperature: 28°F
Sunny. Windy at times.
Afternoon Temperature: 25°F
A mix of cloud and sun.
Evening Temperature: 21°F
Cloudy.
Tuesday, February 24th, 2026
Overnight Temperature: 23°F
Cloudy.
Morning Temperature: 28°F
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: 19°F
Cloudy with flurries likely. Windy at times.
Evening Temperature: 5°F
A mix of cloudy and clear skies with a chance of flurries.
Wednesday, February 25th, 2026
Overnight Temperature: 4°F
Cloudy.
Morning Temperature: 22°F
Cloudy.
Afternoon Temperature: 24°F
Cloudy. Windy at times.
Evening Temperature: 23°F
Cloudy. Windy at times.





 

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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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