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

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

24°F

-4°C

Humidity 86%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 20 Jan 01:06 AM PST
Extended Forecast for

22 Miles NNE Mazama WA

Air Stagnation Advisory January 20, 01:42am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 01:42am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 30. North wind 6 to 11 mph.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Northwest wind 7 to 9 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. West wind 6 to 8 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. West wind around 6 mph.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 22. Northwest wind 11 to 16 mph.
Tuesday
Sunny, with a high near 30. North wind 6 to 11 mph.
Tuesday Night
Mostly clear, with a low around 20. Northwest wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 30. West wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 17. West wind around 6 mph.
Thursday
Partly sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Sunny, with a high near 21.
Friday Night
Mostly clear, with a low around 10.
Saturday
Mostly sunny, with a high near 25.
Saturday Night
A 10 percent chance of snow. Partly cloudy, with a low around 14.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 24.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNE Mazama WA
 48.89°N 120.24°W (Elev. 7172 ft)
1:12 am PST Jan 20, 2026
1am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database