Weather in Lewistown, Montana, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lewistown
Today |
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Temperature: 79°F Wind Speed: 2 to 7 mph Wind Direction: S Forecast: Mostly sunny, with a high near 79. South wind 2 to 7 mph. |
Tonight |
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Temperature: 50°F Wind Speed: 9 mph Wind Direction: SSE Forecast: Mostly cloudy. Low around 50, with temperatures rising to around 54 overnight. South southeast wind around 9 mph. |
Wednesday |
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Temperature: 73°F Wind Speed: 8 to 17 mph Wind Direction: SSW Forecast: A chance of rain showers between noon and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 73, with temperatures falling to around 66 in the afternoon. South southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. |
Wednesday Night |
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Temperature: 29°F Wind Speed: 15 to 25 mph Wind Direction: W Forecast: Showers and thunderstorms before 9pm, then rain between 9pm and midnight, then rain and snow between midnight and 3am, then rain and snow. Cloudy, with a low around 29. West wind 15 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible. |
Thursday |
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Temperature: 36°F Wind Speed: 28 mph Wind Direction: NW Forecast: Snow likely. Mostly cloudy, with a high near 36. Northwest wind around 28 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible. |
Thursday Night |
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Temperature: 22°F Wind Speed: 14 to 23 mph Wind Direction: NW Forecast: A chance of snow. Mostly cloudy, with a low around 22. Northwest wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible. |
Friday |
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Temperature: 35°F Wind Speed: 16 to 22 mph Wind Direction: NW Forecast: A chance of snow. Mostly cloudy, with a high near 35. Northwest wind 16 to 22 mph, with gusts as high as 33 mph. New snow accumulation of less than half an inch possible. |
Friday Night |
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Temperature: 19°F Wind Speed: 9 to 21 mph Wind Direction: WNW Forecast: A slight chance of snow. Mostly cloudy, with a low around 19. West northwest wind 9 to 21 mph, with gusts as high as 31 mph. |
Saturday |
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Temperature: 39°F Wind Speed: 9 to 15 mph Wind Direction: WNW Forecast: A slight chance of snow. Partly sunny, with a high near 39. |
Saturday Night |
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Temperature: 20°F Wind Speed: 5 to 12 mph Wind Direction: WSW Forecast: A slight chance of snow after midnight. Mostly cloudy, with a low around 20. |
Sunday |
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Temperature: 43°F Wind Speed: 6 to 9 mph Wind Direction: NNW Forecast: A slight chance of snow. Partly sunny, with a high near 43. |
Sunday Night |
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Temperature: 24°F Wind Speed: 5 to 8 mph Wind Direction: E Forecast: A slight chance of snow. Mostly cloudy, with a low around 24. |
Monday |
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Temperature: 48°F Wind Speed: 5 to 8 mph Wind Direction: WSW Forecast: A slight chance of snow between noon and 3pm, then a slight chance of rain. Mostly sunny, with a high near 48. |
Monday Night |
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Temperature: 28°F Wind Speed: 8 mph Wind Direction: SSE Forecast: A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and midnight. Partly cloudy, with a low around 28. |