Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

GW2742 Byron (G2742)

Lat: 44.79917°NLon: 108.50567°WElev: 4032.0ft.

NA

28°F

-2°C

Humidity 47%
Wind Speed NNW 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 10°F (-12°C)
Visibility NA
Last update 22 Jan 01:10 PM MST
Extended Forecast for

Byron WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 30. North wind around 6 mph.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: Isolated snow showers after 2am.  Increasing clouds, with a low around 3. Wind chill values as low as -10. Northwest wind 8 to 10 mph.  Chance of precipitation is 20%.

    Low: 3 °F

    Mostly Cloudy
    then Isolated
    Snow Showers

  • Friday

    Friday: Scattered snow showers, mainly before noon.  Cloudy, with a high near 13. Wind chill values as low as -15. Blustery, with a north northwest wind 10 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 13 °F

    Scattered
    Snow Showers
    and Blustery

  • Friday Night

    Friday Night: Mostly clear, with a low around -3. Wind chill values as low as -10. West northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: -3 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 19. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 2. North wind around 6 mph.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 22. West northwest wind 5 to 8 mph becoming southeast in the afternoon.

    High: 22 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 30. North wind around 6 mph.
Tonight
Isolated snow showers after 2am. Increasing clouds, with a low around 3. Wind chill values as low as -10. Northwest wind 8 to 10 mph. Chance of precipitation is 20%.
Friday
Scattered snow showers, mainly before noon. Cloudy, with a high near 13. Wind chill values as low as -15. Blustery, with a north northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around -3. Wind chill values as low as -10. West northwest wind 5 to 9 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 19. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 2. North wind around 6 mph.
Sunday
Sunny, with a high near 22. West northwest wind 5 to 8 mph becoming southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 5.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Byron WY
 44.81°N 108.51°W (Elev. 4058 ft)
12:33 pm MST Jan 22, 2026
1pm MST Jan 22, 2026-6pm MST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database