Weather in Lewistown, Montana, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lewistown
Tonight |
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Temperature: -14°F Wind Speed: 3 mph Wind Direction: SSE Forecast: Partly cloudy. Low around -14, with temperatures rising to around -7 overnight. Wind chill values as low as -18. South southeast wind around 3 mph. |
Sunday |
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Temperature: 6°F Wind Speed: 2 to 10 mph Wind Direction: WSW Forecast: A slight chance of snow between 10am and 11am. Mostly cloudy. High near 6, with temperatures falling to around -2 in the afternoon. Wind chill values as low as -19. West southwest wind 2 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. |
Sunday Night |
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Temperature: -17°F Wind Speed: 6 to 10 mph Wind Direction: WNW Forecast: Mostly cloudy. Low around -17, with temperatures rising to around -13 overnight. Wind chill values as low as -27. West northwest wind 6 to 10 mph, with gusts as high as 20 mph. |
M.L. King Jr. Day |
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Temperature: 10°F Wind Speed: 6 mph Wind Direction: WSW Forecast: Sunny, with a high near 10. Wind chill values as low as -30. West southwest wind around 6 mph. |
Monday Night |
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Temperature: -3°F Wind Speed: 6 to 9 mph Wind Direction: SSW Forecast: Partly cloudy, with a low around -3. South southwest wind 6 to 9 mph. |
Tuesday |
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Temperature: 33°F Wind Speed: 9 to 14 mph Wind Direction: W Forecast: A slight chance of snow after 5pm. Partly sunny, with a high near 33. West wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible. |
Tuesday Night |
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Temperature: 15°F Wind Speed: 14 mph Wind Direction: WNW Forecast: A slight chance of snow. Mostly cloudy, with a low around 15. West northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New snow accumulation of less than one inch possible. |
Wednesday |
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Temperature: 27°F Wind Speed: 13 to 17 mph Wind Direction: WNW Forecast: A slight chance of snow before 11am. Mostly sunny, with a high near 27. West northwest wind 13 to 17 mph, with gusts as high as 29 mph. New snow accumulation of less than half an inch possible. |
Wednesday Night |
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Temperature: 11°F Wind Speed: 9 to 13 mph Wind Direction: W Forecast: Partly cloudy, with a low around 11. |
Thursday |
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Temperature: 35°F Wind Speed: 10 mph Wind Direction: WSW Forecast: Partly sunny, with a high near 35. |
Thursday Night |
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Temperature: 17°F Wind Speed: 12 mph Wind Direction: WSW Forecast: A chance of snow after 11pm. Mostly cloudy, with a low around 17. New snow accumulation of less than half an inch possible. |
Friday |
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Temperature: 35°F Wind Speed: 12 mph Wind Direction: W Forecast: A chance of snow. Partly sunny, with a high near 35. New snow accumulation of less than half an inch possible. |
Friday Night |
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Temperature: 13°F Wind Speed: 7 to 10 mph Wind Direction: W Forecast: A chance of snow. Mostly cloudy, with a low around 13. New snow accumulation of less than one inch possible. |
Saturday |
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Temperature: 25°F Wind Speed: 8 mph Wind Direction: WNW Forecast: A chance of snow. Partly sunny, with a high near 25. New snow accumulation of less than one inch possible. |