Weather in Lewistown, Montana, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lewistown
Overnight |
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Temperature: 23°F Wind Speed: 7 mph Wind Direction: SSE Forecast: Cloudy. Low around 23, with temperatures rising to around 30 overnight. South southeast wind around 7 mph. New snow accumulation of less than half an inch possible. |
Wednesday |
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Temperature: 49°F Wind Speed: 8 to 20 mph Wind Direction: SW Forecast: Snow before 8am, then rain and snow between 8am and 9am, then rain and snow. Cloudy, with a high near 49. Southwest wind 8 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible. |
Wednesday Night |
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Temperature: 37°F Wind Speed: 21 mph Wind Direction: W Forecast: A chance of rain. Cloudy. Low around 37, with temperatures rising to around 42 overnight. West wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Thursday |
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Temperature: 49°F Wind Speed: 10 to 25 mph Wind Direction: WNW Forecast: Rain before 2pm, then rain and snow. Cloudy, with a high near 49. West northwest wind 10 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible. |
Thursday Night |
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Temperature: 6°F Wind Speed: 3 to 10 mph Wind Direction: NW Forecast: Snow. Cloudy, with a low around 6. Northwest wind 3 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible. |
Friday |
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Temperature: 17°F Wind Speed: 6 mph Wind Direction: ENE Forecast: Snow. Cloudy, with a high near 17. East northeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible. |
Friday Night |
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Temperature: -3°F Wind Speed: 7 mph Wind Direction: N Forecast: Snow likely. Cloudy, with a low around -3. North wind around 7 mph. New snow accumulation of 3 to 7 inches possible. |
Saturday |
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Temperature: 22°F Wind Speed: 2 to 6 mph Wind Direction: W Forecast: A chance of snow before 5pm. Mostly cloudy, with a high near 22. West wind 2 to 6 mph. New snow accumulation of less than half an inch possible. |
Saturday Night |
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Temperature: 8°F Wind Speed: 8 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 8. |
Sunday |
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Temperature: 45°F Wind Speed: 10 mph Wind Direction: SW Forecast: Partly sunny, with a high near 45. |
Sunday Night |
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Temperature: 25°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: Mostly cloudy, with a low around 25. |
Monday |
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Temperature: 43°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: Partly sunny, with a high near 43. |
Monday Night |
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Temperature: 28°F Wind Speed: 13 mph Wind Direction: SW Forecast: Mostly cloudy, with a low around 28. |
Tuesday |
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Temperature: 47°F Wind Speed: 15 mph Wind Direction: WSW Forecast: A chance of rain and snow after 11am. Mostly sunny, with a high near 47. |