Weather in Lewistown, Montana, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lewistown
This Afternoon |
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Temperature: 35°F Wind Speed: 6 mph Wind Direction: SW Forecast: Partly sunny. High near 35, with temperatures falling to around 29 in the afternoon. Southwest wind around 6 mph. New snow accumulation of less than one inch possible. |
Tonight |
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Temperature: 20°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: Snow between 8pm and 3am, then rain and snow likely. Mostly cloudy. Low around 20, with temperatures rising to around 24 overnight. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible. |
Saturday |
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Temperature: 33°F Wind Speed: 5 to 10 mph Wind Direction: WNW Forecast: Snow likely. Cloudy. High near 33, with temperatures falling to around 25 in the afternoon. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible. |
Saturday Night |
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Temperature: 19°F Wind Speed: 5 to 14 mph Wind Direction: WSW Forecast: A chance of snow before 11pm. Mostly cloudy, with a low around 19. West southwest wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible. |
Sunday |
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Temperature: 40°F Wind Speed: 10 to 14 mph Wind Direction: WSW Forecast: Partly sunny, with a high near 40. West southwest wind 10 to 14 mph, with gusts as high as 25 mph. |
Sunday Night |
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Temperature: 27°F Wind Speed: 12 to 17 mph Wind Direction: WSW Forecast: Mostly cloudy, with a low around 27. West southwest wind 12 to 17 mph, with gusts as high as 30 mph. |
Monday |
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Temperature: 42°F Wind Speed: 13 to 17 mph Wind Direction: WSW Forecast: A slight chance of rain after 5pm. Partly sunny, with a high near 42. West southwest wind 13 to 17 mph, with gusts as high as 30 mph. |
Monday Night |
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Temperature: 31°F Wind Speed: 13 to 20 mph Wind Direction: WSW Forecast: A chance of rain. Mostly cloudy, with a low around 31. West southwest wind 13 to 20 mph, with gusts as high as 36 mph. |
Tuesday |
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Temperature: 46°F Wind Speed: 18 to 23 mph Wind Direction: W Forecast: A chance of rain before 2pm, then a chance of rain and snow between 2pm and 5pm, then a chance of rain and snow. Mostly cloudy, with a high near 46. New snow accumulation of less than half an inch possible. |
Tuesday Night |
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Temperature: 22°F Wind Speed: 10 to 18 mph Wind Direction: W Forecast: A chance of rain and snow. Mostly cloudy, with a low around 22. New snow accumulation of less than one inch possible. |
Wednesday |
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Temperature: 38°F Wind Speed: 12 mph Wind Direction: WSW Forecast: A chance of snow before 2pm, then rain and snow likely. Mostly cloudy, with a high near 38. New snow accumulation of less than half an inch possible. |
Wednesday Night |
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Temperature: 23°F Wind Speed: 12 mph Wind Direction: W Forecast: Rain and snow likely. Mostly cloudy, with a low around 23. New snow accumulation of less than half an inch possible. |
Thursday |
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Temperature: 38°F Wind Speed: 12 mph Wind Direction: W Forecast: A chance of rain and snow. Mostly cloudy, with a high near 38. New snow accumulation of less than half an inch possible. |
Thursday Night |
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Temperature: 18°F Wind Speed: 6 to 9 mph Wind Direction: WSW Forecast: A chance of snow. Mostly cloudy, with a low around 18. New snow accumulation of less than half an inch possible. |