| NWS Forecast for: Lewistown MT Issued by: National Weather Service Great Falls, MT Last Update: 3:32 pm MDT Jun 26, 2024 |  |
| Tonight: A slight chance of showers and thunderstorms between 7pm and midnight. Partly cloudy, with a low around 13. Southeast wind 8 to 16 km/h becoming southwest after midnight. Winds could gust as high as 29 km/h. Chance of precipitation is 20%. Thursday: Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. High near 24. South southeast wind 5 to 10 km/h becoming northwest 18 to 23 km/h in the morning. Winds could gust as high as 37 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible. Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 7. West wind 16 to 21 km/h, with gusts as high as 35 km/h. Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 16. Breezy, with a west southwest wind 23 to 28 km/h increasing to 32 to 37 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 40%. Friday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 4. Northwest wind 24 to 34 km/h decreasing to 10 to 20 km/h. Winds could gust as high as 50 km/h. Saturday: Mostly sunny, with a high near 21. East southeast wind 8 to 16 km/h, with gusts as high as 29 km/h. Saturday Night: Partly cloudy, with a low around 8. East southeast wind 11 to 18 km/h, with gusts as high as 32 km/h. Sunday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 26. Southeast wind 8 to 13 km/h becoming north in the afternoon. Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 11. Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 22. Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 8. Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 22. Tuesday Night: Mostly clear, with a low around 8. Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 24. | |
| Lewistown MT 47.07°N 109.43°W (Elev. 3898 m) | |
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