Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.642°NLon: 108.22633°WElev: 4426.0ft.

NA

12°F

-11°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 5°F (-15°C)
Visibility NA
Last update 20 Jan 02:40 AM MST
Extended Forecast for

11 Miles NNW Lysite WY

  • Overnight

    Overnight: Mostly clear, with a low around 18. East wind around 8 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of snow showers between 1pm and 2pm.  Increasing clouds, with a high near 33. Windy, with a north wind 7 to 12 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow Showers
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. Blustery, with a north wind 6 to 16 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

    Low: 14 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. North wind 6 to 8 mph.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. North northeast wind around 5 mph becoming light and variable  in the evening.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. North wind 3 to 7 mph.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8. North northeast wind around 7 mph.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Friday Night

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

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 18. East wind around 8 mph.
Tuesday
A slight chance of snow showers between 1pm and 2pm. Increasing clouds, with a high near 33. Windy, with a north wind 7 to 12 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 14. Blustery, with a north wind 6 to 16 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Mostly sunny, with a high near 28. North wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 13. North northeast wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 26. North wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 8. North northeast wind around 7 mph.
Friday
Partly sunny, with a high near 20.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Sunny, with a high near 24.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Lysite WY
 43.39°N 107.8°W (Elev. 6007 ft)
1:16 am MST Jan 20, 2026
2am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database