| NWS Forecast for: Lewistown MT Issued by: National Weather Service Great Falls, MT Last Update: 11:02 am MDT Jun 18, 2024 | |
| This Afternoon: A 50 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, with a high near 55. West northwest wind around 7 mph becoming south. Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 30%. Juneteenth: A 40 percent chance of showers and thunderstorms after noon. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 66. South southeast wind around 5 mph becoming calm. Wednesday Night: Mostly clear, with a low around 41. South southeast wind around 6 mph. Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Light south southeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47. East wind 5 to 10 mph becoming light southeast after midnight. Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 70%. Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 48. East wind around 6 mph becoming southwest after midnight. Saturday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 79. Saturday Night: Mostly clear, with a low around 53. Sunday: Sunny, with a high near 88. Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53. Monday: Sunny, with a high near 80. | |
| Lewistown MT 47.07°N 109.43°W (Elev. 3898 ft) | |
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