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January 1st, 2026 :: 12:49 am MST   

Local Weather Report for
Lewistown
Montana, United States

 Current Lewistown Weather Conditions Updated December 31st at 11:54 pm 
Temperature:34°F Dew Point:16°F
Barometer:29.89 inHg Wind:N 13 Mph
Humidity:46.8% Visibility:0M
 
 Lewistown Weather Forecast Summary  
 
Today
Jan 1st
Friday
Jan 2nd
Saturday
Jan 3rd
Sunday
Jan 4th
Monday
Jan 5th
Cloudy Cloudy Cloudy Cloudy Cloudy
41°F
46°F
31°F
43°F
33°F
52°F
41°F
51°F
40°F
 
 Lewistown Detailed Weather Forecast  
 
Thursday, January 1st, 2026
Overnight Temperature: 36°F
Clear.
Morning Temperature: 41°F
Cloudy.
Afternoon Temperature: 31°F
Cloudy.
Evening Temperature: 29°F
Cloudy.
Friday, January 2nd, 2026
Overnight Temperature: 32°F
Cloudy.
Morning Temperature: 43°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 45°F
A mix of sun and cloud. Windy.
Evening Temperature: 42°F
Cloudy. Windy at times.
Saturday, January 3rd, 2026
Overnight Temperature: 36°F
Cloudy.
Morning Temperature: 40°F
Sunny.
Afternoon Temperature: 33°F
A mix of cloud and sun.
Evening Temperature: 38°F
Cloudy.
Sunday, January 4th, 2026
Overnight Temperature: 41°F
Cloudy.
Morning Temperature: 50°F
Cloudy. Windy at times.
Afternoon Temperature: 44°F
A mix of cloud and sun.
Evening Temperature: 41°F
Cloudy.
Monday, January 5th, 2026
Overnight Temperature: 45°F
Cloudy. Windy at times.
Morning Temperature: 51°F
Mostly sunny. Wind 20 to 30 mph.
Afternoon Temperature: 46°F
A mix of cloud and sun. Windy.
Evening Temperature: 41°F
Cloudy.
Tuesday, January 6th, 2026
Overnight Temperature: 39°F
Cloudy.
Morning Temperature: 46°F
Sunny. Windy at times.
Afternoon Temperature: 39°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 35°F
A mix of cloudy and clear skies. Windy.
Wednesday, January 7th, 2026
Overnight Temperature: 34°F
Cloudy. Windy at times.
Morning Temperature: 43°F
Sunny. Windy at times.
Afternoon Temperature: 35°F
Cloudy.
Evening Temperature: 33°F
Cloudy.
Thursday, January 8th, 2026
Overnight Temperature: 34°F
Cloudy.
Morning Temperature: 43°F
Sunny. Windy at times.
Afternoon Temperature: 36°F
Cloudy.
Evening Temperature: 32°F
Cloudy. Windy at times.
Friday, January 9th, 2026
Overnight Temperature: 30°F
Cloudy. Windy at times.
Morning Temperature: 28°F
Cloudy. Windy.
Afternoon Temperature: 22°F
Mostly sunny.
Evening Temperature: 18°F
Mostly clear.





 

  [ Local Weather Report ]
Harlowton, MT 
 
Malmstrom, MT 
11:55 PM  45°F
 
 
Black Eagle, MT 
11:55 PM  45°F
 
 
Great Falls, MT 
11:53 PM  43°F
 
 
Billings, MT 
11:53 PM  43°F
 
 
Lockwood, MT 
 
Laurel, MT 
 
Livingston, MT 
11:53 PM  46°F
 
 
Havre, MT 
11:53 PM  19°F
 
 
Bozeman, MT 
11:56 PM  27°F
 

 
This WeatherCity Weather Forecast for Lewistown, 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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