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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Dubois Municipal Airport (KDUB)

Lat: 43.5484°NLon: 109.6903°WElev: 7297.0ft.

Clear

19°F

-7°C

Humidity 37%
Wind Speed NNW 13 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 21 Jan 07:39 AM MST
Extended Forecast for

17 Miles S Valley WY

  • Today

    Today: Mostly sunny, with a high near 16. Wind chill values as low as -10. West wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 16 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Wind chill values as low as -15. West southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 1 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 12. Wind chill values as low as -15. West wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 12 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around -4. Wind chill values as low as -20. West southwest wind around 9 mph.

    Low: -4 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A 30 percent chance of snow showers. Partly sunny and cold, with a high near 6. West northwest wind 9 to 11 mph.

    High: 6 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 11pm. Mostly clear, with a low around -13. West wind 7 to 9 mph.

    Low: -13 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 3. Blustery, with a west wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 3 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -8.

    Low: -8 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 6. Breezy.

    High: 6 °F

    Cold and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 16. Wind chill values as low as -10. West wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 1. Wind chill values as low as -15. West southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 12. Wind chill values as low as -15. West wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around -4. Wind chill values as low as -20. West southwest wind around 9 mph.
Friday
A 30 percent chance of snow showers. Partly sunny and cold, with a high near 6. West northwest wind 9 to 11 mph.
Friday Night
A 20 percent chance of snow showers before 11pm. Mostly clear, with a low around -13. West wind 7 to 9 mph.
Saturday
Mostly sunny and cold, with a high near 3. Blustery, with a west wind 9 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around -8.
Sunday
Mostly sunny and cold, with a high near 6. Breezy.
Sunday Night
Mostly clear, with a low around -2. Breezy.
Monday
Mostly sunny, with a high near 13. Breezy.
Monday Night
Mostly cloudy, with a low around 6. Breezy.
Tuesday
Partly sunny, with a high near 15. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Valley WY
 43.97°N 109.62°W (Elev. 11129 ft)
Last Update:
7:47 am MST Jan 21, 2026
Forecast Valid:
8am MST Jan 21, 2026-6pm MST Jan 27, 2026
 
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Additional Resources

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Chance of Precipitation