Heavy rain expected across the Mid-Atlantic region and central Appalachians.

Heavy rainfall is possible over portions of the eastern United States today, with the highest risk across the Mid-Atlantic and central Appalachians. Click the "Read More" link for excessive rainfall forecasts from the Weather Prediction Center. Afternoon showers and thunderstorms are possible over portions of the Southwest and southern Rockies through Friday. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Fair

11°C

52°F

Humidity 82%
Wind Speed SE 6 MPH
Barometer 30.13 in
Dewpoint 8°C (46°F)
Visibility 16 km
Last update 29 Sep 8:40 am MDT
Extended Forecast for

Lewistown MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 27. Calm wind becoming southwest 5 to 10 km/h in the afternoon.

    Sunny then
    Slight Chance
    T-storms

    High: 27 °C

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am.  Mostly cloudy, with a low around 10. East wind 8 to 10 km/h becoming south southwest after midnight.  Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 10 °C

  • Friday

    Friday: Mostly sunny, with a high near 26. South southwest wind 8 to 10 km/h becoming northwest in the afternoon.

    Mostly Sunny

    High: 26 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 12. Northeast wind 8 to 11 km/h becoming south southeast after midnight.

    Mostly Clear

    Low: 12 °C

  • Saturday

    Saturday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 25. South wind 10 to 14 km/h.

    Sunny then
    Chance
    Showers

    High: 25 °C

  • Saturday
    Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 7. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 7 °C

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly sunny, with a high near 17.

    Slight Chance
    Showers

    High: 17 °C

  • Sunday
    Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 7.

    Chance
    Showers

    Low: 7 °C

  • Monday

    Monday: A chance of showers.  Cloudy, with a high near 12.

    Chance
    Showers

    High: 12 °C

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 27. Calm wind becoming southwest 5 to 10 km/h in the afternoon.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 10. East wind 8 to 10 km/h becoming south southwest after midnight. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 26. South southwest wind 8 to 10 km/h becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 12. Northeast wind 8 to 11 km/h becoming south southeast after midnight.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 25. South wind 10 to 14 km/h.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 7. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 17.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 7.
Monday
A chance of showers. Cloudy, with a high near 12.
Monday Night
A chance of showers. Cloudy, with a low around 4.
Tuesday
A chance of showers. Mostly cloudy, with a high near 11.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 2.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 11.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 1188 m)
3:27 am MDT Sep 29, 2016
9am MDT Sep 29, 2016-6pm MDT Oct 5, 2016
 
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Additional Resources

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