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July 18th, 2025 :: 5:19 pm MDT   

Local Weather Report for
Lewistown
Montana, United States

 Current Lewistown Weather Conditions Updated July 18th at 3:54 pm 
Temperature:79°F Dew Point:52°F
Barometer:30.01 inHg Wind:N 19 Mph
Humidity:39.0% Visibility:0M
 
 Lewistown Weather Forecast Summary  
 
Today
Jul 18th
Saturday
Jul 19th
Sunday
Jul 20th
Monday
Jul 21st
Tuesday
Jul 22nd
Mostly Sunny Cloudy Cloudy Showers Cloudy
76°F
80°F
57°F
81°F
61°F
72°F
56°F
69°F
53°F
 
 Lewistown Detailed Weather Forecast  
 
Friday, July 18th, 2025
Evening Temperature: 63°F
Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm.
Saturday, July 19th, 2025
Overnight Temperature: 58°F
Cloudy.
Morning Temperature: 74°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 80°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 67°F
Cloudy.
Sunday, July 20th, 2025
Overnight Temperature: 63°F
A mix of cloudy and clear skies.
Morning Temperature: 75°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 77°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 63°F
Cloudy.
Monday, July 21st, 2025
Overnight Temperature: 57°F
Cloudy.
Morning Temperature: 70°F
Cloudy. Windy at times.
Afternoon Temperature: 63°F
Cloudy with a slight chance of showers. Windy.
Evening Temperature: 56°F
Cloudy with showers likely.
Tuesday, July 22nd, 2025
Overnight Temperature: 53°F
A mix of cloudy and clear skies.
Morning Temperature: 63°F
Cloudy.
Afternoon Temperature: 69°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 62°F
Cloudy with a slight chance of showers.
Wednesday, July 23rd, 2025
Overnight Temperature: 56°F
Clear.
Morning Temperature: 80°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 90°F
Sunny. Windy at times.
Evening Temperature: 71°F
A mix of cloudy and clear skies.
Thursday, July 24th, 2025
Overnight Temperature: 68°F
A mix of cloudy and clear skies.
Morning Temperature: 87°F
Sunny with cloudy periods.
Afternoon Temperature: 88°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 66°F
Cloudy with showers likely.
Friday, July 25th, 2025
Overnight Temperature: 66°F
Cloudy. Windy at times.
Morning Temperature: 84°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 87°F
Cloudy. Windy at times.
Evening Temperature: 70°F
A mix of cloudy and clear skies with a chance of showers.
Saturday, July 26th, 2025
Overnight Temperature: 65°F
Cloudy with a chance of showers.
Morning Temperature: 82°F
Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 63°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 65°F
Clear with cloudy periods with a chance of showers.





 

  [ Local Weather Report ]
Harlowton, MT 
 
Malmstrom, MT 
3:55 PM  82°F
 
 
Black Eagle, MT 
3:55 PM  82°F
 
 
Great Falls, MT 
3:53 PM  82°F
 
 
Billings, MT 
3:53 PM  81°F
 
 
Lockwood, MT 
3:53 PM  81°F
 
 
Laurel, MT 
 
Livingston, MT 
3:53 PM  86°F
Mostly Sunny
 
Havre, MT 
3:53 PM  81°F
 
 
Bozeman, MT 
3:56 PM  86°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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