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 30.36 in (1028.11 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Last update 19 Jan 12:55 AM PST
Extended Forecast for

12 Miles SW Sisters OR

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 49. Calm wind.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a steady temperature around 41. Southwest wind 3 to 5 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Calm wind.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 10 percent chance of snow after 4am.  Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 37. Calm wind.
M.L.King Day
Sunny, with a high near 49. Calm wind.
Monday Night
Mostly clear, with a steady temperature around 41. Southwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 51. Calm wind.
Tuesday Night
Partly cloudy, with a low around 34. Calm wind.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
A 10 percent chance of snow after 4am. Mostly clear, with a low around 29.
Friday
A slight chance of snow before 10am. Mostly sunny, with a high near 40.
Friday Night
A slight chance of snow. Mostly clear, with a low around 28.
Saturday
A slight chance of snow. Mostly sunny, with a high near 44.
Saturday Night
A chance of snow. Partly cloudy, with a low around 32.
Sunday
A chance of snow. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SW Sisters OR
 44.14°N 121.69°W (Elev. 5801 ft)
1:31 am PST Jan 19, 2026
1am PST Jan 19, 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