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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Ephrata, Ephrata Municipal Airport (KEPH)

Lat: 47.3075°NLon: 119.51583°WElev: 1276.0ft.

Clear

70°F

21°C

Humidity 32%
Wind Speed NW 21 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Jun 01:20 AM PDT
Extended Forecast for

9 Miles SSW Coulee City WA

  • Overnight

    Overnight: Mostly clear, with a low around 56. Breezy, with a north wind 16 to 18 mph.

    Low: 56 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 85. North wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 58. Northeast wind 6 to 10 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 89. Northeast wind 6 to 10 mph becoming south in the afternoon.

    High: 89 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southwest wind 7 to 11 mph becoming northwest in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

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

    Low: 58 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 85. Breezy.

    High: 85 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Breezy, with a north wind 16 to 18 mph.
Thursday
Sunny, with a high near 85. North wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Increasing clouds, with a low around 58. Northeast wind 6 to 10 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 89. Northeast wind 6 to 10 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 61. Southwest wind 7 to 11 mph becoming northwest in the evening.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 58. Breezy.
Sunday
Sunny, with a high near 85. Breezy.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSW Coulee City WA
 47.48°N 119.34°W (Elev. 1942 ft)
Last Update:
11:31 pm PDT Jun 17, 2026
Forecast Valid:
1am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation