Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Overcast

34°F

1°C

Humidity 100%
Wind Speed SE 3 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 03 Dec 02:35 AM PST
Extended Forecast for

Coulee City WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. South wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Patchy fog after 5pm.  Otherwise, cloudy, with a high near 38. Southeast wind 3 to 6 mph.

    High: 38 °F

    Cloudy then
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Patchy fog before 7pm. Patchy freezing fog before 9pm.  Otherwise, cloudy, with a low around 30. South wind 3 to 5 mph.

    Low: 30 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Cloudy

  • Thursday

    Thursday: A chance of rain and snow before 4pm, then a slight chance of snow.  Cloudy, with a high near 37. South wind 3 to 6 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 37 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain after 10pm, mixing with snow after 1am.  Mostly cloudy, with a low around 31. North wind 3 to 6 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 10am, then rain likely.  Mostly cloudy, with a high near 42. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 10am.  Partly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am.  Mostly cloudy, with a low around 35. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. South wind around 6 mph.
Wednesday
Patchy fog after 5pm. Otherwise, cloudy, with a high near 38. Southeast wind 3 to 6 mph.
Wednesday Night
Patchy fog before 7pm. Patchy freezing fog before 9pm. Otherwise, cloudy, with a low around 30. South wind 3 to 5 mph.
Thursday
A chance of rain and snow before 4pm, then a slight chance of snow. Cloudy, with a high near 37. South wind 3 to 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
A chance of rain after 10pm, mixing with snow after 1am. Mostly cloudy, with a low around 31. North wind 3 to 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 42. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 34.
Saturday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 46.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Sunday
A 40 percent chance of rain, mainly between 10am and 4pm. Mostly cloudy, with a high near 46.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 46.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Coulee City WA
 47.63°N 119.29°W (Elev. 1568 ft)
1:32 am PST Dec 3, 2025
3am PST Dec 3, 2025-6pm PST Dec 9, 2025
 
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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