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

Osoyoos Automatic Weather Reporting System (CWYY)

Lat: 49.02827°NLon: 119.44099°WElev: 928.0ft.

NA

32°F

0°C

Humidity 77%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 19 Jan 10:00 PM PST
Extended Forecast for

18 Miles NW Republic WA

Air Stagnation Advisory January 19, 10:35pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 10:35pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 35. Calm wind.

    High: 35 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. Calm wind.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Calm wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 35. Calm wind.
Tuesday Night
Mostly clear, with a low around 16. Calm wind.
Wednesday
Partly sunny, with a high near 32. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 18. Calm wind.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Sunny, with a high near 32.
Friday Night
Mostly clear, with a low around 14.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NW Republic WA
 48.86°N 118.98°W (Elev. 2799 ft)
9:02 pm PST Jan 19, 2026
10pm 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