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

SPRING CANYON (SPCW1)

Lat: 47.93472°NLon: 118.93472°WElev: 1340.0ft.

NA

30°F

-1°C

Humidity 85%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Jan 01:37 AM PST
Extended Forecast for

Grand Coulee WA

Air Stagnation Advisory January 19, 01:54am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 01:54am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 28 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Areas of dense fog before 3pm.  Otherwise, partly sunny, with a high near 37. Light south wind.

    High: 37 °F

    Areas Dense
    Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Light north wind.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. Calm wind.
M.L.King Day
Areas of dense fog before 3pm. Otherwise, partly sunny, with a high near 37. Light south wind.
Monday Night
Mostly cloudy, with a low around 29. Calm wind.
Tuesday
Partly sunny, with a high near 40. Light north wind.
Tuesday Night
Partly cloudy, with a low around 27. Calm wind.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 37.
Saturday Night
A 10 percent chance of snow. Mostly cloudy, with a low around 28.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.95°N 118.99°W (Elev. 1627 ft)
1:13 am PST Jan 19, 2026
1am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database