Another Strong Storm For The Northwest; Snow For The Central Rockies and Downwind Of The Great Lakes

Another strong storm will impact the Northwest through Tuesday with heavy rain, localized flooding and mountain snow from the Cascades to the northern Rockies. Meanwhile, a system passing through the Interior West will produce some heavy snow across the south-central Rockies. Finally, lake effect snow will occur downwind of the Great Lakes from a low pressure system near the Canadian Maritimes. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Light Snow,Mist

1°C

34°F

Humidity 86%
Wind Speed W 10 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint -1°C (30°F)
Visibility 4.83 km
Wind Chill-3°C (26°F)
Last update 27 Jan 06:50 AM MST
Extended Forecast for

Lewistown MT

  • Today

    Today: A 50 percent chance of snow, mainly before noon.  Mostly cloudy, with a high near 5. West wind 13 to 18 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 37 km/h.  Total daytime snow accumulation of 1 to 2 centimeters possible.

    Chance Snow
    then Slight
    Chance Snow

    High: 5 °C

  • Tonight

    Tonight: Mostly clear, with a low around -4. West southwest wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight.

    Mostly Clear

    Low: -4 °C

  • Tuesday

    Tuesday: Increasing clouds, with a high near 7. Southwest wind 10 to 16 km/h.

    Increasing
    Clouds

    High: 7 °C

  • Tuesday
    Night

    Tuesday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight.  Mostly cloudy, with a low around -3. West wind 10 to 13 km/h.  Chance of precipitation is 20%.

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

    Low: -3 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 6. West wind 10 to 14 km/h.

    Mostly Sunny

    High: 6 °C

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of snow after midnight.  Partly cloudy, with a low around -2. Southwest wind 10 to 14 km/h.

    Mostly Clear
    then Slight
    Chance Snow

    Low: -2 °C

  • Thursday

    Thursday: A 30 percent chance of snow before noon.  Mostly cloudy, with a high near 7. West wind 14 to 23 km/h, with gusts as high as 48 km/h.  New snow accumulation of less than a half centimeter possible.

    Chance Snow
    then Partly
    Sunny

    High: 7 °C

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around -1. Southwest wind 13 to 18 km/h increasing to 19 to 24 km/h after midnight. Winds could gust as high as 35 km/h.

    Partly Cloudy

    Low: -1 °C

  • Friday

    Friday: Mostly cloudy, with a high near 11.

    Mostly Cloudy

    High: 11 °C

Detailed Forecast

Today
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 5. West wind 13 to 18 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 37 km/h. Total daytime snow accumulation of 1 to 2 centimeters possible.
Tonight
Mostly clear, with a low around -4. West southwest wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight.
Tuesday
Increasing clouds, with a high near 7. Southwest wind 10 to 16 km/h.
Tuesday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around -3. West wind 10 to 13 km/h. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 6. West wind 10 to 14 km/h.
Wednesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around -2. Southwest wind 10 to 14 km/h.
Thursday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 7. West wind 14 to 23 km/h, with gusts as high as 48 km/h. New snow accumulation of less than a half centimeter possible.
Thursday Night
Partly cloudy, with a low around -1. Southwest wind 13 to 18 km/h increasing to 19 to 24 km/h after midnight. Winds could gust as high as 35 km/h.
Friday
Mostly cloudy, with a high near 11.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
Mostly cloudy, with a high near 14. Breezy.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 10.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 1188 m)
4:13 am MST Jan 27, 2020
7am MST Jan 27, 2020-6pm MST Feb 2, 2020
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database