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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Clear

45°F

7°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 16 Oct 12:55 AM PDT
Extended Forecast for

9 Miles NNW Coulee City WA

  • Overnight

    Overnight: Partly cloudy, with a low around 39. Northeast wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. East wind 5 to 8 mph becoming south in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 41. South wind 3 to 5 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Patchy blowing dust after 11am. Cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a west wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 63 °F

    Patchy
    Blowing Dust
    and Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. West wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Partly Cloudy
    then Areas
    Frost

  • Sunday

    Sunday: Widespread frost before 8am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. Northeast wind around 6 mph.
Friday
Mostly sunny, with a high near 66. East wind 5 to 8 mph becoming south in the afternoon.
Friday Night
Increasing clouds, with a low around 41. South wind 3 to 5 mph.
Saturday
Patchy blowing dust after 11am. Cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a west wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. West wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday
Widespread frost before 8am. Otherwise, sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 57.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Coulee City WA
 47.73°N 119.35°W (Elev. 2326 ft)
Last Update:
11:32 pm PDT Oct 15, 2026
Forecast Valid:
1am PDT Oct 16, 2026-6pm PDT Oct 22, 2026
 
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