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

DW6879 Union (D6879)

Lat: 45.1985°NLon: 117.86483°WElev: 2792.0ft.

NA

26°F

-3°C

Humidity 87%
Wind Speed S 7 MPH
Barometer 30.5 in (1032.85 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 21 Jan 12:30 AM PST
Extended Forecast for

7 Miles ESE Union OR

Freezing Fog Advisory January 21, 12:47am until January 21, 09:00am
Click here for hazard details and duration
Freezing Fog Advisory
  •  
    Freezing Fog Advisory January 21, 12:47am until January 21, 09:00am

    NOW until 9:00am Wed

    Freezing Fog Advisory

  • Overnight

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 37. Southeast wind around 6 mph.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23. Light east wind.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 36. Light and variable wind.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. North wind 3 to 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Southeast wind around 6 mph.
Wednesday
Sunny, with a high near 37. Southeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 23. Light east wind.
Thursday
Mostly sunny, with a high near 36. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 21. North wind 3 to 5 mph.
Friday
Sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 17.
Saturday
Sunny, with a high near 34.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
A slight chance of snow. Partly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Union OR
 45.16°N 117.73°W (Elev. 3786 ft)
9:17 pm PST Jan 20, 2026
12am PST Jan 21, 2026-6pm PST 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