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

Areas of Heavy to Excessive Rainfall Which May Bring Flooding

Monsoon moisture will continue to produce areas of heavy to excessive rainfall and potential flooding across the northern Intermountain West today. Debris flows will be possible over recent wildfire burn areas. Heavy to excessive rainfall and flash flooding will be possible across the central Rockies into the south-central Plains and lower Mississippi Valley through Thursday. Read More >

Current conditions at

SPRING CANYON (SPCW1)

Lat: 47.93472°NLon: 118.93472°WElev: 1340.0ft.

NA

78°F

26°C

Humidity 37%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Heat Index79°F (26°C)
Last update 27 Aug 08:37 AM PDT
Extended Forecast for

Coulee Dam WA

  • Today

    Today: A slight chance of showers before 11am, then a slight chance of thunderstorms after 5pm. Mostly cloudy, with a high near 94. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Cloudy, with a low around 71. West wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly cloudy, with a high near 88. Southwest wind 5 to 7 mph.

    High: 88 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. Southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 94. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 91.

    High: 91 °F

    Slight Chance
    Showers then
    Sunny

Detailed Forecast

Today
A slight chance of showers before 11am, then a slight chance of thunderstorms after 5pm. Mostly cloudy, with a high near 94. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Cloudy, with a low around 71. West wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 88. Southwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 67. Southeast wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 94. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny and hot, with a high near 96.
Saturday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 63.
Labor Day
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coulee Dam WA
 47.95°N 118.96°W (Elev. 1647 ft)
Last Update:
4:17 am PDT Aug 27, 2025
Forecast Valid:
9am PDT Aug 27, 2025-6pm PDT Sep 2, 2025
 
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