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Lewistown, MT
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7-Day Forecast
Overnight
Chance Showers
Low: 36°
A 30% chance of showers. Cloudy with a low around 36. West wind around 9 mph.
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Wednesday
Showers Likely
High: 53°
Showers likely, mainly after 9am. Cloudy with a high near 53. Northwest wind 8 to 11 mph with gusts as high as 20 mph. Chance of precipitation is 70%.
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Wednesday Night
Chance Showers
Low: 34°
A 30% chance of showers, mainly before 7pm. Partly cloudy with a low around 34. Northwest wind 5 to 7 mph becoming south after midnight.
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Thursday
Mostly Sunny
High: 61°
Mostly sunny with a high near 61. Southwest wind 5 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
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Thursday Night
Mostly Clear
Low: 34°
Mostly clear with a low around 34. West wind 5 to 7 mph becoming east southeast in the evening.
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Friday
Sunny
High: 74°
Sunny with a high near 74. South wind 6 to 8 mph becoming west in the afternoon.
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Friday Night
Mostly Clear
Low: 45°
Mostly clear with a low around 45. West wind around 7 mph becoming south in the evening.
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Saturday
Sunny
High: 79°
Sunny with a high near 79. South wind around 7 mph.
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Saturday Night
Mostly Clear
Low: 48°
Mostly clear with a low around 48.
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Sunday
Sunny then Chance Showers
High: 70°
A chance of showers after noon. Mostly sunny with a high near 70.
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Sunday Night
Chance Showers
Low: 40°
A chance of showers. Mostly cloudy with a low around 40.
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Monday
Chance Showers
High: 58°
A chance of showers. Partly sunny with a high near 58.
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Monday Night
Chance Showers
Low: 37°
A chance of showers. Mostly cloudy with a low around 37.
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Tuesday
Chance Showers
High: 59°
A chance of showers. Partly sunny with a high near 59.
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Source: National Weather Service
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