National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.

Clear

32°F

0°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 27 Jan 04:55 PM PST
Extended Forecast for

Grand Coulee WA

  • Tonight

    Tonight: A 10 percent chance of snow after 4am. Cloudy, with a low around 31. Northeast wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 39. South wind 3 to 6 mph.

    High: 39 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixed with snow, mainly after 4am. Cloudy, with a low around 34. East wind around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain likely, possibly mixed with snow before 1pm, then a chance of rain. Cloudy, with a high near 40. Southeast wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of rain, mainly after 10pm. Cloudy, with a low around 37. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain, mainly before 4pm. Cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of snow after 4am. Cloudy, with a low around 31. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 39. South wind 3 to 6 mph.
Wednesday Night
Rain likely, possibly mixed with snow, mainly after 4am. Cloudy, with a low around 34. East wind around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Rain likely, possibly mixed with snow before 1pm, then a chance of rain. Cloudy, with a high near 40. Southeast wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A 50 percent chance of rain, mainly after 10pm. Cloudy, with a low around 37. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain, mainly before 4pm. Cloudy, with a high near 43.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 47.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 46.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.94°N 119.02°W (Elev. 1601 ft)
Last Update:
3:47 pm PST Jan 27, 2026
Forecast Valid:
5pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation