Wintry Weather Across the Northern Tier of the U.S.; Fire Weather Concerns in California

Wintry weather is expected from the Northern Plains to Upper Great Lakes with periods of snow and freezing rain. Another system will bring more snow to the Northern Rockies and Northern Plains Wednesday night into Thursday. Meanwhile, fire weather and air quality concerns persist for portions of the Western U.S., including California. Temperatures will run above normal over much of the East. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Mostly Cloudy

-2°C

28°F

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint -3°C (27°F)
Visibility 16 km
Last update 20 Oct 11:20 PM MDT
Extended Forecast for

Lewistown MT

Winter Weather Advisory October 21, 12:00pm until October 22, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A chance of snow between midnight and 4am.  Mostly cloudy, with a low around -6. Southeast wind 8 to 11 km/h.  Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half centimeter possible.

    Chance Snow

    Low: -6 °C

  • Wednesday

    Wednesday: A chance of rain before 3pm, then a chance of rain and snow between 3pm and 4pm, then snow likely after 4pm.  Partly sunny, with a high near 3. South southeast wind 8 to 13 km/h becoming north northwest in the afternoon.  Chance of precipitation is 70%. New snow accumulation of less than a half centimeter possible.

    Partly Sunny
    then
    Rain/Snow
    Likely

    High: 3 °C

  • Wednesday
    Night

    Wednesday Night: Snow.  Low around -10. North northwest wind 14 to 16 km/h.  Chance of precipitation is 90%. New snow accumulation of 6 to 10 centimeters possible.

    Snow

    Low: -10 °C

  • Thursday

    Thursday: A 50 percent chance of snow, mainly before noon.  Cloudy, with a high near -6. North northwest wind 14 to 16 km/h.  New snow accumulation of 1 to 3 centimeters possible.

    Chance Snow
    then Slight
    Chance Snow

    High: -6 °C

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around -16. North northwest wind 5 to 10 km/h becoming south southeast after midnight.

    Mostly Cloudy

    Low: -16 °C

  • Friday

    Friday: A 30 percent chance of snow after noon.  Mostly cloudy, with a high near -7. Light southeast wind becoming east 9 to 14 km/h in the afternoon.  New snow accumulation of less than a half centimeter possible.

    Partly Sunny
    then Chance
    Snow

    High: -7 °C

  • Friday
    Night

    Friday Night: Snow.  Low around -15. East wind around 13 km/h.  Chance of precipitation is 80%. New snow accumulation of 8 to 12 centimeters possible.

    Snow

    Low: -15 °C

  • Saturday

    Saturday: Snow likely.  Cloudy, with a high near -10. North wind 11 to 18 km/h.

    Snow Likely

    High: -10 °C

  • Saturday
    Night

    Saturday Night: A chance of snow.  Mostly cloudy, with a low around -19.

    Chance Snow

    Low: -19 °C

Detailed Forecast

Tonight
A chance of snow between midnight and 4am. Mostly cloudy, with a low around -6. Southeast wind 8 to 11 km/h. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half centimeter possible.
Wednesday
A chance of rain before 3pm, then a chance of rain and snow between 3pm and 4pm, then snow likely after 4pm. Partly sunny, with a high near 3. South southeast wind 8 to 13 km/h becoming north northwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half centimeter possible.
Wednesday Night
Snow. Low around -10. North northwest wind 14 to 16 km/h. Chance of precipitation is 90%. New snow accumulation of 6 to 10 centimeters possible.
Thursday
A 50 percent chance of snow, mainly before noon. Cloudy, with a high near -6. North northwest wind 14 to 16 km/h. New snow accumulation of 1 to 3 centimeters possible.
Thursday Night
Mostly cloudy, with a low around -16. North northwest wind 5 to 10 km/h becoming south southeast after midnight.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near -7. Light southeast wind becoming east 9 to 14 km/h in the afternoon. New snow accumulation of less than a half centimeter possible.
Friday Night
Snow. Low around -15. East wind around 13 km/h. Chance of precipitation is 80%. New snow accumulation of 8 to 12 centimeters possible.
Saturday
Snow likely. Cloudy, with a high near -10. North wind 11 to 18 km/h.
Saturday Night
A chance of snow. Mostly cloudy, with a low around -19.
Sunday
Partly sunny, with a high near -11.
Sunday Night
Partly cloudy, with a low around -19.
Monday
Mostly sunny, with a high near -2.
Monday Night
Mostly cloudy, with a low around -11.
Tuesday
Partly sunny, with a high near 3.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 1188 m)
11:15 pm MDT Oct 20, 2020
11pm MDT Oct 20, 2020-6pm MDT Oct 27, 2020
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database