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

BLACK ROCK (OKFO3)

Lat: 43.52831°NLon: 121.81601°WElev: 4891.0ft.

NA

36°F

2°C

Humidity 65%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 18 Jan 07:15 PM PST
Extended Forecast for

19 Miles SE Chemult OR

Air Stagnation Advisory January 18, 08:29pm until January 21, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 08:29pm until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • Tonight

    Low: 23 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 52. East wind 3 to 7 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Light east southeast wind.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Calm wind.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 23. East northeast wind around 7 mph.
M.L.King Day
Sunny, with a high near 52. East wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 21. Light east southeast wind.
Tuesday
Sunny, with a high near 50. Calm wind.
Tuesday Night
Partly cloudy, with a low around 20. Calm wind.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 27.
Friday
A slight chance of snow between 10am and 4pm. Mostly sunny, with a high near 43.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 25.
Saturday
A slight chance of snow. Partly sunny, with a high near 44.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 22.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Chemult OR
 43.07°N 121.48°W (Elev. 4800 ft)
6:46 pm PST Jan 18, 2026
8pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database