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September 12th, 2025 :: 3:14 am MDT   

Local Weather Report for
Sidney
Montana, United States

 Sidney Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Thundershowers Showers Showers Cloudy Cloudy
29°C
21°C
17°C
18°C
15°C
27°C
15°C
23°C
14°C
 
 Sidney Detailed Weather Forecast  
 
Friday, September 12th, 2025
Morning Temperature: 23°C
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 29°C
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 20°C
Cloudy with periods of rain. Chance of a thunderstorm.
Saturday, September 13th, 2025
Overnight Temperature: 18°C
Cloudy with a few showers. Windy at times.
Morning Temperature: 18°C
Cloudy with showers. Slight chance of a thunderstorm.
Afternoon Temperature: 20°C
Sunny with cloudy periods with a few showers. Slight chance of a thunderstorm.
Evening Temperature: 18°C
A mix of cloudy and clear skies.
Sunday, September 14th, 2025
Overnight Temperature: 16°C
Cloudy.
Morning Temperature: 17°C
Cloudy with showers likely.
Afternoon Temperature: 15°C
Cloudy with a few showers.
Evening Temperature: 15°C
Cloudy with showers likely.
Monday, September 15th, 2025
Overnight Temperature: 15°C
Cloudy with a slight chance of showers.
Morning Temperature: 20°C
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 27°C
Sunny. Chance of a thunderstorm.
Evening Temperature: 21°C
A mix of cloudy and clear skies.
Tuesday, September 16th, 2025
Overnight Temperature: 16°C
A mix of cloudy and clear skies.
Morning Temperature: 19°C
Cloudy. Windy at times.
Afternoon Temperature: 22°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 15°C
Clear with cloudy periods. Windy at times.
Wednesday, September 17th, 2025
Overnight Temperature: 15°C
Cloudy.
Morning Temperature: 15°C
Cloudy.
Afternoon Temperature: 17°C
Cloudy.
Evening Temperature: 15°C
Cloudy.
Thursday, September 18th, 2025
Overnight Temperature: 12°C
Clear.
Morning Temperature: 17°C
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 23°C
Sunny.
Evening Temperature: 17°C
Clear.
Friday, September 19th, 2025
Overnight Temperature: 15°C
Clear.
Morning Temperature: 20°C
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 26°C
Sunny with cloudy periods. Slight chance of a thunderstorm.
Evening Temperature: 20°C
Cloudy.
Saturday, September 20th, 2025
Overnight Temperature: 18°C
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 18°C
A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 19°C
Cloudy with showers likely. Slight chance of a thunderstorm. Windy.
Evening Temperature: 14°C
Clear.





 

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1:55 AM  16°C
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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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