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

Ephrata, Ephrata Municipal Airport (KEPH)

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

Clear

45°F

7°C

Humidity 39%
Wind Speed S 5 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Mar 01:20 PM PDT
Extended Forecast for

3 Miles W Coulee City WA

  • This Afternoon

    This Afternoon: A chance of rain and snow after 5pm. Mostly cloudy, with a high near 45. South wind around 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow, mainly before 9pm. Mostly cloudy, with a low around 35. South wind around 6 mph becoming east after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 58. Southwest wind 5 to 11 mph becoming southeast in the morning.

    High: 58 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Southwest wind around 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Southwest wind 8 to 14 mph.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of rain and snow after 5pm. Mostly cloudy, with a high near 45. South wind around 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow, mainly before 9pm. Mostly cloudy, with a low around 35. South wind around 6 mph becoming east after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 58. Southwest wind 5 to 11 mph becoming southeast in the morning.
Monday Night
Mostly cloudy, with a low around 42. Southwest wind around 9 mph.
Tuesday
Partly sunny, with a high near 67. Southwest wind 8 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Mostly cloudy, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Mostly cloudy, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 67.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Coulee City WA
 47.6°N 119.37°W (Elev. 1555 ft)
Last Update:
12:47 pm PDT Mar 15, 2026
Forecast Valid:
1pm PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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