Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Fair

-9°F

-23°C

Humidity 76%
Wind Speed SE 5 MPH
Barometer 29.96 in
Dewpoint -15°F (-26°C)
Visibility 10.00 mi
Wind Chill-21°F (-29°C)
Last update 19 Feb 2:20 am MST
Extended Forecast for

Lewistown MT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around -7. Wind chill values as low as -24. South wind around 8 mph.

    Mostly Clear

    Low: -7 °F

  • Tuesday

    Tuesday: Sunny, with a high near 20. Wind chill values as low as -23. South wind around 9 mph becoming west southwest in the afternoon.

    Sunny

    High: 20 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of snow, mainly after 2am.  Increasing clouds, with a low around 1. Wind chill values as low as -14. South southwest wind 7 to 10 mph.  New snow accumulation of less than a half inch possible.

    Mostly Clear
    then Chance
    Snow

    Low: 1 °F

  • Wednesday

    Wednesday: A 40 percent chance of snow.  Cloudy, with a high near 22. Wind chill values as low as -1. West wind 6 to 8 mph.  New snow accumulation of around an inch possible.

    Chance Snow

    High: 22 °F

  • Wednesday
    Night

    Wednesday Night: Snow likely, mainly after 11pm.  Cloudy, with a low around 5. Northwest wind around 8 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Snow Likely

    Low: 5 °F

  • Thursday

    Thursday: Snow likely, mainly before 11am.  Cloudy, with a high near 13. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Likely
    then Chance
    Snow

    High: 13 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around -8.

    Partly Cloudy

    Low: -8 °F

  • Friday

    Friday: Sunny, with a high near 22.

    Sunny

    High: 22 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 6.

    Partly Cloudy

    Low: 6 °F

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around -7. Wind chill values as low as -24. South wind around 8 mph.
Tuesday
Sunny, with a high near 20. Wind chill values as low as -23. South wind around 9 mph becoming west southwest in the afternoon.
Tuesday Night
A 50 percent chance of snow, mainly after 2am. Increasing clouds, with a low around 1. Wind chill values as low as -14. South southwest wind 7 to 10 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 40 percent chance of snow. Cloudy, with a high near 22. Wind chill values as low as -1. West wind 6 to 8 mph. New snow accumulation of around an inch possible.
Wednesday Night
Snow likely, mainly after 11pm. Cloudy, with a low around 5. Northwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
Snow likely, mainly before 11am. Cloudy, with a high near 13. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
Partly cloudy, with a low around -8.
Friday
Sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Partly sunny, with a high near 25.
Saturday Night
A slight chance of snow. Cloudy, with a low around 1.
Sunday
A chance of snow. Cloudy, with a high near 13.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around -6.
Monday
A slight chance of snow. Mostly sunny and cold, with a high near 10.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
2:13 am MST Feb 19, 2019
2am MST Feb 19, 2019-6pm MST Feb 25, 2019
 
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Additional Resources

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