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September 12th, 2025 :: 12:16 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
Cloudy Showers Cloudy Cloudy Thundershowers
83°F
69°F
61°F
76°F
59°F
89°F
62°F
83°F
64°F
 
 Sidney Detailed Weather Forecast  
 
Friday, September 12th, 2025
Overnight Temperature: 65°F
Cloudy. Chance of a thunderstorm.
Morning Temperature: 73°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 83°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 72°F
Cloudy. Chance of a thunderstorm.
Saturday, September 13th, 2025
Overnight Temperature: 68°F
Cloudy with showers likely. Slight chance of a thunderstorm.
Morning Temperature: 66°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 65°F
Cloudy with showers. Windy at times.
Evening Temperature: 61°F
A mix of clear and cloudy skies.
Sunday, September 14th, 2025
Overnight Temperature: 59°F
Cloudy.
Morning Temperature: 67°F
Cloudy.
Afternoon Temperature: 76°F
Cloudy. Windy at times.
Evening Temperature: 66°F
A mix of cloudy and clear skies. Windy at times.
Monday, September 15th, 2025
Overnight Temperature: 63°F
Clear.
Morning Temperature: 76°F
A mix of sun and cloud.
Afternoon Temperature: 87°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 74°F
Cloudy with a slight chance of showers.
Tuesday, September 16th, 2025
Overnight Temperature: 68°F
Cloudy. Windy at times.
Morning Temperature: 75°F
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 81°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 65°F
A mix of cloudy and clear skies with showers likely. Slight chance of a thunderstorm.
Wednesday, September 17th, 2025
Overnight Temperature: 60°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 60°F
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 62°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 58°F
Cloudy with a slight chance of showers.
Thursday, September 18th, 2025
Overnight Temperature: 56°F
Cloudy.
Morning Temperature: 58°F
Cloudy.
Afternoon Temperature: 61°F
Cloudy.
Evening Temperature: 52°F
Mostly clear.
Friday, September 19th, 2025
Overnight Temperature: 48°F
Clear.
Morning Temperature: 57°F
Sunny.
Afternoon Temperature: 66°F
Sunny.
Evening Temperature: 57°F
Clear.





 

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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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