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

33°F

1°C

Humidity 48%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 19 Jan 11:15 PM PST
Extended Forecast for

2 Miles SSE Chemult OR

Air Stagnation Advisory January 19, 11:49pm until January 21, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 11:49pm until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • Tonight

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. South wind 3 to 5 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47. Light south wind.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Thursday Night

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

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 18. South southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 48. South wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 16. Calm wind.
Wednesday
Partly sunny, with a high near 47. Light south wind.
Wednesday Night
Partly cloudy, with a low around 21. Calm wind.
Thursday
Sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 45.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Chemult OR
 43.22°N 121.8°W (Elev. 4905 ft)
9:41 pm PST Jan 19, 2026
11pm PST Jan 19, 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