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 >

Current conditions at

Gem Valley (ITDC3)

Lat: 42.64943°NLon: 111.82603°WElev: 5523.0ft.

unknown precip

1°F

-17°C

Humidity 86%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint -2°F (-19°C)
Visibility 0.15 mi
Last update 21 Jan 08:30 AM MST
Extended Forecast for

8 Miles SW Downey ID

Air Stagnation Advisory January 21, 08:58am until January 22, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 21, 08:58am until January 22, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Today

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. South southwest wind 3 to 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Light and variable wind becoming south southwest around 6 mph in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. North wind 3 to 5 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. North wind 5 to 10 mph.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 36. South wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 21. South southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 37. Light and variable wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 22. North wind 3 to 5 mph.
Friday
Partly sunny, with a high near 32. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 13.
Saturday
Sunny, with a high near 27.
Saturday Night
Mostly clear, with a low around 14.
Sunday
Sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Downey ID
 42.35°N 112.23°W (Elev. 5600 ft)
4:31 am MST Jan 21, 2026
8am 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