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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Clear

70°F

21°C

Humidity 32%
Wind Speed NNE 5 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 08 Oct 01:55 PM PDT
Extended Forecast for

7 Miles NW Coulee City WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. South wind around 10 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 45. South wind 7 to 13 mph becoming north after midnight.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 73. North wind 9 to 14 mph becoming southeast in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Southwest wind 7 to 10 mph becoming north in the evening.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 68. North wind 8 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 11am. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A 40 percent chance of showers. Partly sunny, with a high near 53.

    High: 53 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 68. South wind around 10 mph.
Tonight
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 45. South wind 7 to 13 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 73. North wind 9 to 14 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Southwest wind 7 to 10 mph becoming north in the evening.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 68. North wind 8 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 39.
Saturday
A 30 percent chance of showers, mainly after 11am. Partly sunny, with a high near 58.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 37. Breezy.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 53.
Sunday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Columbus Day
A 40 percent chance of showers. Partly sunny, with a high near 50.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Coulee City WA
 47.68°N 119.43°W (Elev. 2287 ft)
Last Update:
2:20 pm PDT Oct 8, 2025
Forecast Valid:
2pm PDT Oct 8, 2025-6pm PDT Oct 14, 2025
 
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