Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

39°F

4°C

Humidity 62%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 31 Mar 10:11 AM MDT
Extended Forecast for

5 Miles ENE Lysite WY

  • Today

    Today: Mostly cloudy, with a high near 58. Breezy, with an east southeast wind 13 to 15 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

    High: 58 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Scattered showers after 9pm.  Mostly cloudy, with a low around 36. Breezy, with a south southwest wind 7 to 15 mph becoming north northeast after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 40%.

    Low: 36 °F

    Scattered
    Showers and
    Breezy

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow showers before 5pm, then scattered rain showers.  Mostly cloudy, with a high near 52. North wind around 7 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers before midnight.  Partly cloudy, with a low around 35. East northeast wind 7 to 9 mph becoming south after midnight.

    Low: 35 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after noon.  Partly sunny, with a high near 56. Breezy, with a west southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 60%.

    High: 56 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after 9pm.  Mostly cloudy, with a low around 26. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 70%.

    Low: 26 °F

    Rain/Snow
    Likely and
    Breezy then
    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely.  Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 10 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%.

    High: 41 °F

    Snow Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A 40 percent chance of snow showers, mainly before midnight.  Mostly cloudy, with a low around 23. Blustery.

    Low: 23 °F

    Chance Snow
    Showers and
    Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 58. Breezy, with an east southeast wind 13 to 15 mph becoming south in the afternoon. Winds could gust as high as 23 mph.
Tonight
Scattered showers after 9pm. Mostly cloudy, with a low around 36. Breezy, with a south southwest wind 7 to 15 mph becoming north northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Rain likely, possibly mixed with snow showers before 5pm, then scattered rain showers. Mostly cloudy, with a high near 52. North wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
A 50 percent chance of showers before midnight. Partly cloudy, with a low around 35. East northeast wind 7 to 9 mph becoming south after midnight.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 56. Breezy, with a west southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%.
Thursday Night
Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 26. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%.
Friday
Snow showers likely. Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. Blustery.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Lysite WY
 43.29°N 107.64°W (Elev. 5400 ft)
9:32 am MDT Mar 31, 2026
10am MDT Mar 31, 2026-6pm MDT Apr 6, 2026
 
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Additional Resources

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