Potent Southwest Storm with Heavy Mountain Snow and, Locally, Heavy Rain

Tropical moisture and cold Canadian air are combining in the Southwestern states to produce areas of, locally, heavy rain; and widespread heavy mountain snowfall. Flash flooding will be possible in, typically, dry washes of Arizona. Friday, this system moves into the Central U.S. and could produce heavy rain and flash flooding in the Mid-South. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Fair

27°F

-3°C

Humidity 74%
Wind Speed E 7 MPH
Barometer 30.00 in (1020.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 21 Nov 10:54 am MST
Extended Forecast for

Lewistown MT

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 38. South southeast wind around 5 mph.

    Sunny

    High: 38 °F

  • Tonight

    Tonight: Clear, with a low around 25. South southeast wind 5 to 7 mph.

    Clear

    Low: 25 °F

  • Friday

    Friday: Sunny, with a high near 49. West wind 6 to 10 mph, with gusts as high as 25 mph.

    Sunny

    High: 49 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 27. Southwest wind around 7 mph.

    Mostly Clear

    Low: 27 °F

  • Saturday

    Saturday: Partly sunny, with a high near 48. West wind 7 to 11 mph, with gusts as high as 23 mph.

    Partly Sunny

    High: 48 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 35.

    Partly Cloudy

    Low: 35 °F

  • Sunday

    Sunday: A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am, then a chance of rain after 11am.  Partly sunny, with a high near 47. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Chance
    Rain/Snow
    then Chance
    Rain

    High: 47 °F

  • Sunday
    Night

    Sunday Night: A chance of rain and snow before 8pm, then a chance of snow.  Mostly cloudy, with a low around 25.

    Chance
    Rain/Snow
    then Chance
    Snow

    Low: 25 °F

  • Monday

    Monday: A chance of snow.  Partly sunny, with a high near 35.

    Chance Snow

    High: 35 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 38. South southeast wind around 5 mph.
Tonight
Clear, with a low around 25. South southeast wind 5 to 7 mph.
Friday
Sunny, with a high near 49. West wind 6 to 10 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 27. Southwest wind around 7 mph.
Saturday
Partly sunny, with a high near 48. West wind 7 to 11 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 47. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 25.
Monday
A chance of snow. Partly sunny, with a high near 35.
Monday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17.
Tuesday
A chance of snow. Mostly cloudy, with a high near 29.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 11.
Wednesday
A chance of snow. Mostly cloudy, with a high near 23.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
10:13 am MST Nov 21, 2019
1pm MST Nov 21, 2019-6pm MST Nov 27, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database