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

Hazardous Weather Conditions

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Overcast

45°F

7°C

Humidity 75%
Wind Speed SSW 10 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Apr 02:15 AM PDT
Extended Forecast for

Coulee City WA

Freeze Warning April 16, 02:00am until April 16, 08:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: A chance of rain before 3am, then a chance of rain and snow between 3am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 37. Breezy, with a west wind 17 to 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a west wind 14 to 18 mph.

    High: 53 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Northwest wind 10 to 16 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Northwest wind 10 to 14 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Northwest wind 10 to 16 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain before 3am, then a chance of rain and snow between 3am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 37. Breezy, with a west wind 17 to 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a west wind 14 to 18 mph.
Wednesday Night
Partly cloudy, with a low around 32. Northwest wind 10 to 16 mph.
Thursday
Mostly sunny, with a high near 57. Northwest wind 10 to 14 mph.
Thursday Night
Mostly clear, with a low around 32. Northwest wind 10 to 16 mph.
Friday
Sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 74.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coulee City WA
 47.63°N 119.29°W (Elev. 1568 ft)
Last Update:
2:05 am PDT Apr 15, 2026
Forecast Valid:
2am PDT Apr 15, 2026-6pm PDT Apr 21, 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