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

23°F

-5°C

Humidity 85%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 20 Jan 03:06 AM PST
Extended Forecast for

13 Miles NNE Mazama WA

Air Stagnation Advisory January 20, 03:24am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 03:24am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 37. North wind 5 to 8 mph becoming calm  in the afternoon.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Northwest wind 5 to 7 mph.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Northwest wind around 5 mph becoming calm  in the morning.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. Light northwest wind.

    Low: 21 °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 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. Northwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 37. North wind 5 to 8 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 22. Northwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 37. Northwest wind around 5 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 21. Light northwest wind.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Sunny, with a high near 31.
Friday Night
Mostly clear, with a low around 15.
Saturday
Sunny, with a high near 33.
Saturday Night
A 10 percent chance of snow. Partly cloudy, with a low around 19.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Mazama WA
 48.78°N 120.31°W (Elev. 4570 ft)
1:12 am PST Jan 20, 2026
3am 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

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