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 92%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 18 Jan 07:06 PM PST
Extended Forecast for

10 Miles NE Mazama WA

Air Stagnation Advisory January 18, 07:19pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 07:19pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 26 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 37. Calm wind.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a steady temperature around 31. Northwest wind around 6 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Northwest wind around 6 mph becoming calm  in the morning.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Light northwest wind.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of snow after 4pm.  Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 26. North wind 3 to 5 mph.
M.L.King Day
Sunny, with a high near 37. Calm wind.
Monday Night
Partly cloudy, with a steady temperature around 31. Northwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind around 6 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 23. Light northwest wind.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 33.
Thursday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 22.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 28.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 22.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Mazama WA
 48.7°N 120.25°W (Elev. 4619 ft)
3:07 pm PST Jan 18, 2026
7pm PST Jan 18, 2026-6pm PST Jan 25, 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