Weather in Lewistown, Montana, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lewistown
Overnight |
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Temperature: 11°F Wind Speed: 13 mph Wind Direction: SW Forecast: A chance of snow after 5am. Mostly cloudy. Low around 11, with temperatures rising to around 33 overnight. Southwest wind around 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible. |
Saturday |
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Temperature: 15°F Wind Speed: 14 to 23 mph Wind Direction: WNW Forecast: A chance of snow before 11am. Mostly cloudy. High near 15, with temperatures falling to around 4 in the afternoon. Wind chill values as low as -23. West northwest wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. |
Saturday Night |
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Temperature: -6°F Wind Speed: 7 to 18 mph Wind Direction: WNW Forecast: Partly cloudy. Low around -6, with temperatures rising to around 1 overnight. Wind chill values as low as -23. West northwest wind 7 to 18 mph, with gusts as high as 28 mph. |
Sunday |
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Temperature: 20°F Wind Speed: 7 mph Wind Direction: WSW Forecast: Sunny, with a high near 20. Wind chill values as low as -11. West southwest wind around 7 mph. |
Sunday Night |
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Temperature: 10°F Wind Speed: 6 mph Wind Direction: SW Forecast: Mostly clear, with a low around 10. Southwest wind around 6 mph. |
Monday |
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Temperature: 41°F Wind Speed: 6 mph Wind Direction: WSW Forecast: Mostly sunny, with a high near 41. West southwest wind around 6 mph. |
Monday Night |
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Temperature: 26°F Wind Speed: 6 mph Wind Direction: WSW Forecast: Mostly cloudy, with a low around 26. West southwest wind around 6 mph. |
Tuesday |
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Temperature: 48°F Wind Speed: 6 mph Wind Direction: WSW Forecast: Partly sunny, with a high near 48. West southwest wind around 6 mph. |
Tuesday Night |
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Temperature: 28°F Wind Speed: 6 mph Wind Direction: WSW Forecast: A slight chance of rain and snow after 5am. Mostly cloudy, with a low around 28. |
Wednesday |
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Temperature: 42°F Wind Speed: 6 mph Wind Direction: WNW Forecast: A slight chance of rain and snow. Mostly cloudy, with a high near 42. |
Wednesday Night |
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Temperature: 20°F Wind Speed: 6 mph Wind Direction: S Forecast: A slight chance of snow before 11pm. Mostly cloudy, with a low around 20. |
New Year's Day |
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Temperature: 43°F Wind Speed: 6 mph Wind Direction: SSE Forecast: Partly sunny, with a high near 43. |
Thursday Night |
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Temperature: 26°F Wind Speed: 6 mph Wind Direction: S Forecast: A slight chance of snow after 5am. Mostly cloudy, with a low around 26. |
Friday |
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Temperature: 46°F Wind Speed: 7 mph Wind Direction: SW Forecast: A slight chance of snow. Mostly cloudy, with a high near 46. |