Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Grant County Regional Airport (KGCD)

Lat: 44.40287°NLon: 118.96715°WElev: 3675.0ft.

freezing fog

23°F

-5°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 21°F (-6°C)
Visibility -0.25 mi
Last update 19 Jan 06:35 PM PST
Extended Forecast for

3 Miles WNW Greenhorn OR

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 31. West wind 6 to 9 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Northwest wind 3 to 6 mph.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Southwest wind 6 to 8 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34. Southwest wind 5 to 8 mph.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. West wind around 6 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 31. West wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 26. Southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 34. Southwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 23. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A chance of snow. Partly sunny, with a high near 31.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
A slight chance of snow. Partly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Greenhorn OR
 44.71°N 118.54°W (Elev. 7369 ft)
3:42 pm PST Jan 19, 2026
6pm PST Jan 19, 2026-6pm PST Jan 26, 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