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 >

Hazardous Weather Conditions

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

NA

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 19 Jan 03:55 PM PST
Extended Forecast for

10 Miles NNW Mount Bachelor OR

  • Tonight

    Tonight: Mostly clear, with a low around 31. East wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Southwest wind 6 to 10 mph.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Southwest wind 7 to 10 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. West wind 3 to 8 mph.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Southwest wind 5 to 7 mph.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 31. East wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 24 mph.
Tuesday
Mostly sunny, with a high near 43. Southwest wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 28. Southwest wind 7 to 10 mph.
Wednesday
Partly sunny, with a high near 39. West wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 26. Southwest wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 30.
Friday Night
Mostly clear, with a low around 19.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 26.
Sunday
A chance of snow. Partly sunny, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27.
Monday
A chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Mount Bachelor OR
 44.11°N 121.74°W (Elev. 7201 ft)
3:42 pm PST Jan 19, 2026
4pm PST Jan 19, 2026-6pm PST Jan 26, 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