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

25°F

-4°C

Humidity 86%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 19 Jan 11:06 PM PST
Extended Forecast for

16 Miles NNW Mazama WA

Air Stagnation Advisory January 20, 12:05am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 12:05am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. North wind 6 to 11 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. West wind around 9 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Southwest wind 6 to 10 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Southwest wind 6 to 8 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of snow after 4pm.  Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 26. Northwest wind 10 to 14 mph.
Tuesday
Mostly sunny, with a high near 32. North wind 6 to 11 mph.
Tuesday Night
Mostly clear, with a low around 21. West wind around 9 mph.
Wednesday
Mostly sunny, with a high near 30. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Southwest wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 14.
Friday
A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 25.
Friday Night
A slight chance of snow before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 15. Chance of precipitation is 20%.
Saturday
A 30 percent chance of snow, mainly after 10am. Mostly sunny, with a high near 25.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17.
Sunday
Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mazama WA
 48.84°N 120.55°W (Elev. 6926 ft)
9:02 pm PST Jan 19, 2026
12am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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