Orofino Transmitter Outage

Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Overcast

50°F

10°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Nov 10:15 PM PST
Extended Forecast for

Grand Coulee WA

  • Tonight

    Tonight: A 50 percent chance of rain.  Patchy fog after 1am.  Otherwise, cloudy, with a low around 49. Light south wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 20 percent chance of rain.  Areas of fog before 1pm.  Otherwise, cloudy, with a high near 55. South wind 3 to 5 mph.

    High: 55 °F

    Slight Chance
    Rain and
    Areas Fog

  • Monday Night

    Monday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 45. South wind 3 to 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 52. Southwest wind around 7 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. West wind 3 to 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 49. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain. Areas of fog before 1pm. Otherwise, cloudy, with a high near 55. South wind 3 to 5 mph.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 52. Southwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 36. West wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 36.
Thursday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 35.
Friday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 46.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
A 10 percent chance of rain. Partly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.94°N 119.02°W (Elev. 1601 ft)
9:28 pm PST Nov 16, 2025
10pm PST Nov 16, 2025-6pm PST Nov 23, 2025
 
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