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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Clear

63°F

17°C

Humidity 48%
Wind Speed S 4 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Jun 03:35 AM PDT
Extended Forecast for

2 Miles WNW Coulee City WA

Red Flag Warning June 20, 03:00pm until June 20, 11:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly clear, with a low around 61. Northwest wind around 8 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. West wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Breezy, with a north wind 16 to 23 mph, with gusts as high as 39 mph.

    Low: 62 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 86. Breezy, with a north wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 86 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North wind 10 to 14 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Northwest wind around 8 mph.
Saturday
Sunny, with a high near 89. West wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 62. Breezy, with a north wind 16 to 23 mph, with gusts as high as 39 mph.
Sunday
Sunny, with a high near 86. Breezy, with a north wind 10 to 20 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 62. North wind 10 to 14 mph.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 61. Breezy.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Coulee City WA
 47.63°N 119.32°W (Elev. 1568 ft)
Last Update:
2:06 am PDT Jun 20, 2026
Forecast Valid:
3am PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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