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June 3rd, 2026 :: 8:22 am MDT   

Local Weather Report for
Lewistown
Montana, United States

 Lewistown Weather Forecast Summary  
 
Today
Jun 3rd
Thursday
Jun 4th
Friday
Jun 5th
Saturday
Jun 6th
Sunday
Jun 7th
Mix of Sun and Cloud Mix of Cloud and Sun Sunny Mostly Sunny Mostly Cloudy
64°F
62°F
49°F
75°F
46°F
83°F
56°F
59°F
51°F
 
 Lewistown Detailed Weather Forecast  
 
Wednesday, June 3rd, 2026
Morning Temperature: 48°F
Sunny with cloudy periods with a slight chance of showers.
Afternoon Temperature: 62°F
A mix of sun and cloud.
Evening Temperature: 59°F
Clear.
Thursday, June 4th, 2026
Overnight Temperature: 51°F
A mix of cloudy and clear skies with a slight chance of showers.
Morning Temperature: 51°F
Mostly cloudy with a chance of showers.
Afternoon Temperature: 53°F
Cloudy with sunny periods with a chance of showers. Windy at times.
Evening Temperature: 58°F
Clear with a chance of showers.
Friday, June 5th, 2026
Overnight Temperature: 48°F
Clear.
Morning Temperature: 54°F
Sunny.
Afternoon Temperature: 71°F
Sunny.
Evening Temperature: 68°F
Clear.
Saturday, June 6th, 2026
Overnight Temperature: 57°F
Clear.
Morning Temperature: 65°F
Sunny. Windy at times.
Afternoon Temperature: 83°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 64°F
Clear with a slight chance of showers or thundershowers. Windy.
Sunday, June 7th, 2026
Overnight Temperature: 53°F
A mix of cloudy and clear skies.
Morning Temperature: 54°F
A mix of cloud and sun.
Afternoon Temperature: 57°F
Mostly cloudy with a slight chance of showers.
Evening Temperature: 53°F
A mix of cloudy and clear skies with a chance of showers. Windy at times.
Monday, June 8th, 2026
Overnight Temperature: 49°F
Mostly cloudy with a slight chance of showers. Windy.
Morning Temperature: 50°F
Sunny. Windy at times.
Afternoon Temperature: 71°F
Mostly sunny. Windy at times.
Evening Temperature: 68°F
Mostly clear. Windy at times.
Tuesday, June 9th, 2026
Overnight Temperature: 58°F
A mix of cloudy and clear skies.
Morning Temperature: 62°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 76°F
A mix of cloud and sun. Windy.
Evening Temperature: 68°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm.
Wednesday, June 10th, 2026
Overnight Temperature: 57°F
A mix of cloudy and clear skies.
Morning Temperature: 61°F
Sunny.
Afternoon Temperature: 76°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
Mostly clear with a slight chance of showers or thundershowers. Windy at times.
Thursday, June 11th, 2026
Overnight Temperature: 56°F
A mix of cloudy and clear skies with a chance of showers. Windy.
Morning Temperature: 57°F
Sunny with cloudy periods with a slight chance of showers. Windy at times.
Afternoon Temperature: 71°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 68°F
Clear with cloudy periods. Chance of a thunderstorm.





 

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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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