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Current Spring Spotter Training 2026

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Clear

52°F

11°C

Humidity	76%
Wind Speed	N 0 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	08 May 12:55 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Hartline WA

Overnight
Low: 52 °F
Partly Cloudy
Friday
High: 75 °F
Mostly Cloudy
then Patchy
Blowing Dust
and Breezy
Friday Night
Low: 48 °F
Patchy
Blowing Dust
and Breezy
then Mostly
Clear
Saturday
High: 76 °F
Increasing
Clouds
Saturday Night
Low: 52 °F
Mostly Cloudy
Sunday
High: 79 °F
Partly Sunny
Sunday Night
Low: 49 °F
Partly Cloudy
and Breezy
then Mostly
Clear
Monday
High: 78 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear

Detailed Forecast

Overnight

Partly cloudy, with a low around 52. East wind around 7 mph.

Friday

Patchy blowing dust after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 75. Breezy, with a southeast wind 8 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

Friday Night

Patchy blowing dust before 8pm. Mostly clear, with a low around 48. Breezy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.

Saturday

Increasing clouds, with a high near 76. Northwest wind 6 to 9 mph becoming south in the afternoon.

Saturday Night

Mostly cloudy, with a low around 52. South wind 6 to 9 mph becoming east after midnight.

Sunday

Partly sunny, with a high near 79.

Sunday Night

Mostly clear, with a low around 49. Breezy.

Monday

Sunny, with a high near 78.

Monday Night

Mostly clear, with a low around 51.