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

Alpine (K46U)

Lat: 43.1846°NLon: 111.0424°WElev: 5634.0ft.

Clear

10°F

-12°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 7°F (-14°C)
Visibility 9.00 mi
Last update 21 Jan 11:15 AM MST
Extended Forecast for

10 Miles S Rafter J Ranch WYSimilar City Names

  • Today

    Today: Sunny, with a high near 28. Calm wind becoming south around 6 mph in the afternoon.

    High: 28 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Calm wind.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 32. Calm wind.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 11am.  Mostly sunny, with a high near 29. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 29 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around -2. North wind around 5 mph becoming calm  in the evening.

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 25. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 25 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 28. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 6. Calm wind.
Thursday
Mostly sunny, with a high near 32. Calm wind.
Thursday Night
Mostly cloudy, with a low around 9. Calm wind.
Friday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 29. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around -2. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 25. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around -1.
Sunday
Sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 1.
Monday
Mostly sunny, with a high near 32.
Monday Night
A slight chance of snow showers. Partly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Rafter J Ranch WYSimilar City Names
 43.29°N 110.78°W (Elev. 6293 ft)
10:47 am MST Jan 21, 2026
11am MST Jan 21, 2026-6pm MST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database