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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

SPRING CANYON (SPCW1)

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

NA

85°F

29°C

Humidity 18%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index82°F (28°C)
Last update 17 Jun 02:37 PM PDT
Extended Forecast for

Coulee Dam WA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. North wind 3 to 7 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 91 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South wind 5 to 7 mph becoming light and variable after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 88. North wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Partly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. South wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coulee Dam WA
 47.97°N 118.97°W (Elev. 1109 ft)
Last Update:
2:06 pm PDT Jun 17, 2026
Forecast Valid:
3pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation