Weather in Lewistown, Montana, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lewistown
This Afternoon |
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Temperature: 44°F Wind Speed: 14 to 17 mph Wind Direction: WSW Forecast: Mostly cloudy. High near 44, with temperatures falling to around 40 in the afternoon. West southwest wind 14 to 17 mph, with gusts as high as 32 mph. |
Tonight |
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Temperature: 32°F Wind Speed: 13 to 26 mph Wind Direction: WSW Forecast: Rain likely. Cloudy. Low around 32, with temperatures rising to around 44 overnight. West southwest wind 13 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. |
Tuesday |
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Temperature: 47°F Wind Speed: 13 to 31 mph Wind Direction: WNW Forecast: Rain likely before 11am, then a chance of rain and snow between 11am and 5pm. Mostly cloudy. High near 47, with temperatures falling to around 34 in the afternoon. West northwest wind 13 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. |
Tuesday Night |
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Temperature: 24°F Wind Speed: 6 to 13 mph Wind Direction: SW Forecast: Snow after 11pm. Mostly cloudy, with a low around 24. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible. |
Wednesday |
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Temperature: 45°F Wind Speed: 7 to 16 mph Wind Direction: WSW Forecast: Snow before 8am, then rain and snow. Cloudy, with a high near 45. West southwest wind 7 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible. |
Wednesday Night |
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Temperature: 18°F Wind Speed: 8 to 16 mph Wind Direction: WNW Forecast: Rain likely before 8pm, then rain and snow likely. Cloudy, with a low around 18. West northwest wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible. |
Thursday |
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Temperature: 31°F Wind Speed: 9 mph Wind Direction: WNW Forecast: Snow likely. Cloudy, with a high near 31. West northwest wind around 9 mph. New snow accumulation of 3 to 7 inches possible. |
Thursday Night |
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Temperature: -2°F Wind Speed: 7 mph Wind Direction: NNW Forecast: Snow likely. Cloudy, with a low around -2. North northwest wind around 7 mph. New snow accumulation of 3 to 7 inches possible. |
Friday |
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Temperature: 22°F Wind Speed: 6 mph Wind Direction: ESE Forecast: Snow likely. Mostly cloudy, with a high near 22. New snow accumulation of 2 to 4 inches possible. |
Friday Night |
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Temperature: 6°F Wind Speed: 7 mph Wind Direction: SSW Forecast: A chance of snow. Mostly cloudy, with a low around 6. New snow accumulation of 1 to 2 inches possible. |
Saturday |
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Temperature: 31°F Wind Speed: 7 mph Wind Direction: WSW Forecast: A chance of snow before 5pm. Mostly cloudy, with a high near 31. New snow accumulation of less than half an inch possible. |
Saturday Night |
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Temperature: 17°F Wind Speed: 8 mph Wind Direction: SSW Forecast: Mostly cloudy, with a low around 17. |
Sunday |
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Temperature: 44°F Wind Speed: 9 mph Wind Direction: SW Forecast: Partly sunny, with a high near 44. |
Sunday Night |
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Temperature: 23°F Wind Speed: 9 mph Wind Direction: SW Forecast: Mostly cloudy, with a low around 23. |