Weather in Lewistown, Montana, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lewistown
This Afternoon |
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Temperature: 76°F Wind Speed: 5 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 76. Northeast wind around 5 mph. Chance of precipitation is 40%. |
Tonight |
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Temperature: 52°F Wind Speed: 2 to 6 mph Wind Direction: ESE Forecast: A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely between 1am and 2am, then a chance of showers and thunderstorms between 2am and 3am, then a chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers and thunderstorms between 4am and 5am. Some of the storms could be severe. Mostly cloudy, with a low around 52. East southeast wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday |
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Temperature: 77°F Wind Speed: 2 to 6 mph Wind Direction: E Forecast: A chance of rain showers before noon, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms. Partly sunny. High near 77, with temperatures falling to around 72 in the afternoon. East wind 2 to 6 mph. Chance of precipitation is 80%. |
Sunday Night |
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Temperature: 49°F Wind Speed: 2 to 7 mph Wind Direction: W Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 49. West wind 2 to 7 mph. Chance of precipitation is 80%. |
Monday |
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Temperature: 73°F Wind Speed: 5 mph Wind Direction: NW Forecast: A chance of rain showers. Partly sunny, with a high near 73. Northwest wind around 5 mph. Chance of precipitation is 50%. |
Monday Night |
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Temperature: 49°F Wind Speed: 6 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. South wind around 6 mph. Chance of precipitation is 50%. |
Tuesday |
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Temperature: 71°F Wind Speed: 6 mph Wind Direction: W Forecast: A chance of rain showers before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 71. West wind around 6 mph. |
Tuesday Night |
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Temperature: 48°F Wind Speed: 6 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. South southwest wind around 6 mph. |
Wednesday |
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Temperature: 75°F Wind Speed: 5 to 8 mph Wind Direction: W Forecast: Sunny, with a high near 75. |
Wednesday Night |
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Temperature: 48°F Wind Speed: 7 mph Wind Direction: SSW Forecast: Mostly clear, with a low around 48. |
Juneteenth |
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Temperature: 78°F Wind Speed: 3 to 8 mph Wind Direction: W Forecast: Sunny, with a high near 78. |
Thursday Night |
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Temperature: 48°F Wind Speed: 5 to 9 mph Wind Direction: E Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. |
Friday |
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Temperature: 73°F Wind Speed: 3 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. |
Friday Night |
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Temperature: 46°F Wind Speed: 6 to 10 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. |