Weather in Lewistown, Montana, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lewistown
This Afternoon |
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Temperature: 78°F Wind Speed: 10 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 74 in the afternoon. Northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. |
Tonight |
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Temperature: 42°F Wind Speed: 6 to 10 mph Wind Direction: WNW Forecast: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 9pm, then showers and thunderstorms likely. Mostly cloudy. Low around 42, with temperatures rising to around 46 overnight. West northwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday |
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Temperature: 56°F Wind Speed: 8 to 21 mph Wind Direction: WNW Forecast: Showers and thunderstorms likely before 9am, then rain likely between 9am and noon, then showers and thunderstorms between noon and 3pm, then rain likely. Mostly cloudy. High near 56, with temperatures falling to around 51 in the afternoon. West northwest wind 8 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday Night |
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Temperature: 35°F Wind Speed: 7 to 20 mph Wind Direction: SSW Forecast: A chance of rain before 8pm. Partly cloudy, with a low around 35. South southwest wind 7 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. |
Monday |
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Temperature: 71°F Wind Speed: 8 mph Wind Direction: SSW Forecast: Mostly sunny, with a high near 71. South southwest wind around 8 mph. |
Monday Night |
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Temperature: 45°F Wind Speed: 3 to 8 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 45. South southeast wind 3 to 8 mph. |
Tuesday |
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Temperature: 68°F Wind Speed: 3 to 8 mph Wind Direction: W Forecast: Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 68. West wind 3 to 8 mph, with gusts as high as 18 mph. |
Tuesday Night |
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Temperature: 40°F Wind Speed: 9 mph Wind Direction: W Forecast: Showers and thunderstorms likely before midnight, then a chance of rain. Mostly cloudy, with a low around 40. West wind around 9 mph. |
Wednesday |
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Temperature: 58°F Wind Speed: 13 to 23 mph Wind Direction: W Forecast: A chance of rain before noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 58. |
Wednesday Night |
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Temperature: 39°F Wind Speed: 15 to 22 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before midnight, then a chance of rain. Mostly cloudy, with a low around 39. |
Thursday |
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Temperature: 59°F Wind Speed: 18 to 25 mph Wind Direction: WNW Forecast: A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 59. |
Thursday Night |
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Temperature: 39°F Wind Speed: 6 to 18 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before midnight, then a slight chance of rain. Partly cloudy, with a low around 39. |
Friday |
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Temperature: 60°F Wind Speed: 6 to 14 mph Wind Direction: WNW Forecast: A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 60. |
Friday Night |
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Temperature: 40°F Wind Speed: 3 to 14 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms before midnight, then a slight chance of rain. Partly cloudy, with a low around 40. |