Current conditions at
Grand Coulee Dam Airport (K3W7)
Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.
Clear
32°F
0°C
| Humidity | 63% |
| Wind Speed | N 0 MPH |
| Barometer | 29.89 in (1012.19 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Last update | 16 Apr 03:15 AM PDT |
Extended Forecast for
9 Miles NW Coulee City WA
Overnight

Low: 30 °F
Mostly Clear
Thursday

High: 54 °F
Mostly Sunny
and BreezyThursday Night
Low: 30 °F
Mostly Clear
and Breezy
then Mostly
ClearFriday

High: 57 °F
Sunny
Friday Night

Low: 35 °F
Partly Cloudy
Saturday

High: 62 °F
Partly Sunny
Saturday Night

Low: 43 °F
Mostly Cloudy
Sunday

High: 68 °F
Mostly Cloudy
Sunday Night

Low: 46 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 30. West wind around 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 54. Breezy, with a northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 30. Breezy, with a west wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 26 mph.
Friday
Sunny, with a high near 57. West wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 35. South wind 6 to 9 mph.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly cloudy, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 69.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 64.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
9 Miles NW Coulee City WA
47.7°N 119.43°W (Elev. 2201 ft)
47.7°N 119.43°W (Elev. 2201 ft)
3:01 am PDT Apr 16, 2026
3am PDT Apr 16, 2026-6pm PDT Apr 22, 2026


