| NWS Forecast for: Lewistown MT Issued by: National Weather Service Great Falls, MT Last Update: 4:45 pm MDT Jun 18, 2024 |  |
| Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 35. South southeast wind around 6 mph. Juneteenth: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 66. South southeast wind around 5 mph becoming calm. Wednesday Night: Mostly clear, with a low around 41. Light and variable wind becoming east southeast 5 to 7 mph in the evening. Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Light southeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. East wind 5 to 10 mph, with gusts as high as 20 mph. Friday: Showers and possibly a thunderstorm. High near 68. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 90%. Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 46. North wind around 7 mph becoming southwest after midnight. Chance of precipitation is 60%. Saturday: A slight chance of showers. Mostly sunny, with a high near 75. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Saturday Night: Partly cloudy, with a low around 51. Sunday: Sunny, with a high near 86. Sunday Night: Mostly clear, with a low around 52. Monday: Sunny, with a high near 79. Monday Night: Mostly clear, with a low around 47. Tuesday: Sunny, with a high near 75. | |
| Lewistown MT 47.07°N 109.43°W (Elev. 3898 ft) | |
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