NWS Forecast for: Lewistown MT
Issued by: National Weather Service Great Falls, MT
Last Update: 7:58 pm MDT Oct 14, 2019
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  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 24. West wind 5 to 8 mph.

    Patchy Fog

    Low: 24 °F

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 49. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    Patchy Fog
    then Sunny

    High: 49 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy during the early evening, then becoming cloudy, with a low around 36. South wind 7 to 9 mph.

    Becoming
    Cloudy

    Low: 36 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Southwest wind 7 to 10 mph.

    Partly Sunny

    High: 67 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 41. South wind 7 to 9 mph.

    Partly Cloudy

    Low: 41 °F

  • Thursday

    Thursday: Mostly cloudy, with a high near 58.

    Mostly Cloudy

    High: 58 °F

  • Thursday
    Night

    Thursday Night: A slight chance of rain between 7pm and 1am.  Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Slight Chance
    Rain

    Low: 34 °F

  • Friday

    Friday: Mostly sunny, with a high near 52.

    Mostly Sunny

    High: 52 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 31.

    Partly Cloudy

    Low: 31 °F

  • Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 24. West wind 5 to 8 mph.

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 49. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    Tuesday Night: Partly cloudy during the early evening, then becoming cloudy, with a low around 36. South wind 7 to 9 mph.

    Wednesday: Partly sunny, with a high near 67. Southwest wind 7 to 10 mph.

    Wednesday Night: Partly cloudy, with a low around 41. South wind 7 to 9 mph.

    Thursday: Mostly cloudy, with a high near 58.

    Thursday Night: A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Friday: Mostly sunny, with a high near 52.

    Friday Night: Partly cloudy, with a low around 31.

    Saturday: A chance of rain after 1pm. Partly sunny, with a high near 47.

    Saturday Night: A chance of rain and snow. Mostly cloudy, with a low around 27.

    Sunday: A chance of rain and snow. Partly sunny, with a high near 42.

    Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 25.

    Monday: A chance of rain and snow. Mostly sunny, with a high near 45.



    Lewistown MT
     47.07°N 109.43°W (Elev. 3898 ft)

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