Severe Weather and Heavy Rain for the Southern U.S.

A potent storm system will roll across the Southern tier of the U.S. over the next two days. As a result, severe thunderstorms with large hail, damaging winds and a few tornadoes are possible from the southern Plains and Lower Mississippi Valley into the South and Southeast. Also, heavy rain from these thunderstorms may cause some flood concerns, especially in the Lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

light snow,mist

25°F

-4°C

Humidity 85%
Wind Speed NNW 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 21°F (-6°C)
Visibility 5.00 mi
Wind Chill20°F (-7°C)
Last update 23 Apr 06:20 AM MDT
Extended Forecast for

Lewistown MT

  • Today

    Today: Snow likely, possibly mixed with freezing drizzle before 8am, then a chance of snow.  Cloudy, with a high near 37. North northeast wind 5 to 9 mph becoming south southwest in the afternoon.  Chance of precipitation is 60%. Little or no ice accumulation expected.  Total daytime snow accumulation of less than a half inch possible.

    Wintry Mix
    Likely then
    Slight Chance
    Snow

    High: 37 °F

  • Tonight

    Tonight: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 2am.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 23. Southeast wind 5 to 7 mph.  Chance of precipitation is 20%.

    Slight Chance
    Rain/Snow and
    Patchy Fog

    Low: 23 °F

  • Saturday

    Saturday: Rain likely, mainly after 5pm.  Mostly cloudy, with a high near 48. East southeast wind 6 to 9 mph.  Chance of precipitation is 70%.

    Mostly Cloudy
    then Rain
    Likely

    High: 48 °F

  • Saturday
    Night

    Saturday Night: Rain before 9pm, then rain and snow between 9pm and midnight, then snow after midnight.  Low around 32. East southeast wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Rain/Snow
    then Snow

    Low: 32 °F

  • Sunday

    Sunday: A chance of snow before 9am, then a chance of rain.  Mostly cloudy, with a high near 50. Calm wind becoming west 5 to 7 mph in the afternoon.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Chance
    Rain/Snow
    then Chance
    Rain

    High: 50 °F

  • Sunday
    Night

    Sunday Night: Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight.  Cloudy, with a low around 30. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Rain/Snow
    Likely then
    Snow Likely

    Low: 30 °F

  • Monday

    Monday: Snow likely before 9am, then rain and snow likely between 9am and noon, then a chance of rain after noon.  Mostly cloudy, with a high near 48. Northwest wind 3 to 7 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Rain/Snow
    Likely then
    Chance Rain

    High: 48 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 29. West wind around 6 mph becoming south southwest in the evening.

    Partly Cloudy

    Low: 29 °F

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    Sunny

    High: 55 °F

Detailed Forecast

Today
Snow likely, possibly mixed with freezing drizzle before 8am, then a chance of snow. Cloudy, with a high near 37. North northeast wind 5 to 9 mph becoming south southwest in the afternoon. Chance of precipitation is 60%. Little or no ice accumulation expected. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 23. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 48. East southeast wind 6 to 9 mph. Chance of precipitation is 70%.
Saturday Night
Rain before 9pm, then rain and snow between 9pm and midnight, then snow after midnight. Low around 32. East southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
A chance of snow before 9am, then a chance of rain. Mostly cloudy, with a high near 50. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Cloudy, with a low around 30. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday
Snow likely before 9am, then rain and snow likely between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 48. Northwest wind 3 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around 29. West wind around 6 mph becoming south southwest in the evening.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Partly sunny, with a high near 64.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
2:18 am MDT Apr 23, 2021
7am MDT Apr 23, 2021-6pm MDT Apr 29, 2021
 
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Additional Resources

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Hourly Weather Forecast

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