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

I80/US30 - Peru Hill (KCMS)

Lat: 41.54958°NLon: 109.60197°WElev: 6407.0ft.

NA

16°F

-9°C

Humidity 68%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility 1.24 mi
Last update 21 Jan 03:12 AM MST
Extended Forecast for

3 Miles ESE Green River WY

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 19. Light west wind.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Calm wind becoming west northwest 5 to 9 mph in the morning.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. East wind around 6 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30. East wind 5 to 9 mph becoming north in the afternoon.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. East northeast wind 5 to 9 mph becoming light  after midnight.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 19. Light west wind.
Wednesday
Mostly sunny, with a high near 40. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 11. West wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 39. Calm wind becoming west northwest 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 12. East wind around 6 mph.
Friday
Partly sunny, with a high near 30. East wind 5 to 9 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around 2. East northeast wind 5 to 9 mph becoming light after midnight.
Saturday
Sunny, with a high near 28.
Saturday Night
Mostly clear, with a low around 6.
Sunday
Sunny, with a high near 33. Breezy.
Sunday Night
Mostly clear, with a low around 11.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Green River WY
 41.5°N 109.41°W (Elev. 6437 ft)
2:17 am MST Jan 21, 2026
3am 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