National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

11°F

-12°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 4°F (-16°C)
Visibility NA
Last update 21 Jan 11:11 PM MST
Extended Forecast for

Thermopolis WY

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Light west wind.

    Low: 7 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 29. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 6. North wind 3 to 6 mph.

    Low: 6 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A 30 percent chance of snow showers. Mostly cloudy, with a high near 19. Wind chill values as low as zero. Light north northeast wind becoming north 8 to 13 mph in the morning.

    High: 19 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around -4. North wind 5 to 9 mph becoming calm after midnight.

    Low: -4 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 23. Light and variable wind.

    High: 23 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2. Light and variable wind.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. Light west wind.
Thursday
Partly sunny, with a high near 29. Calm wind becoming north 5 to 9 mph in the afternoon.
Thursday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 6. North wind 3 to 6 mph.
Friday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 19. Wind chill values as low as zero. Light north northeast wind becoming north 8 to 13 mph in the morning.
Friday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around -4. North wind 5 to 9 mph becoming calm after midnight.
Saturday
Sunny, with a high near 23. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 2. Light and variable wind.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 4.
Monday
Sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
Last Update:
10:47 pm MST Jan 21, 2026
Forecast Valid:
11pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
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