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

Heavy to Excessive Rainfall for the Southwest; Thunderstorms in Florida with Flooding Possible

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

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

Partly Cloudy

50°F

10°C

Humidity 76%
Wind Speed SW 5 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 09 Oct 07:35 AM PDT
Extended Forecast for

Coulee City WA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 74. North wind 8 to 13 mph becoming south in the afternoon.

    High: 74 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. West wind 6 to 13 mph becoming north in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: A 40 percent chance of rain, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 69. Northeast wind 8 to 17 mph becoming south in the afternoon.

    High: 69 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 45. Southwest wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 11am. Partly sunny, with a high near 58. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly after 11am. Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely
    and Breezy

  • Columbus Day

    Columbus Day: A 50 percent chance of rain, mainly before 11am. Partly sunny, with a high near 50. Windy.

    High: 50 °F

    Chance Rain
    and Windy
    then Slight
    Chance Rain

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 74. North wind 8 to 13 mph becoming south in the afternoon.
Tonight
Increasing clouds, with a low around 56. West wind 6 to 13 mph becoming north in the evening.
Friday
A 40 percent chance of rain, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 69. Northeast wind 8 to 17 mph becoming south in the afternoon.
Friday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 45. Southwest wind 9 to 16 mph, with gusts as high as 24 mph.
Saturday
A 30 percent chance of rain, mainly after 11am. Partly sunny, with a high near 58. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
A 40 percent chance of rain, mainly after 11am. Partly sunny, with a high near 52.
Sunday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 60%.
Columbus Day
A 50 percent chance of rain, mainly before 11am. Partly sunny, with a high near 50. Windy.
Monday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 40. Breezy.
Tuesday
Mostly sunny, with a high near 56. Breezy.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coulee City WA
 47.61°N 119.28°W (Elev. 1624 ft)
Last Update:
4:16 am PDT Oct 9, 2025
Forecast Valid:
8am PDT Oct 9, 2025-6pm PDT Oct 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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