Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Ephrata, Ephrata Municipal Airport (KEPH)

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

Overcast

41°F

5°C

Humidity 100%
Wind Speed SSW 4 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Wind Chill38°F (3°C)
Last update 10 Dec 03:35 AM PST
Extended Forecast for

5 Miles WSW Coulee City WA

Wind Advisory December 10, 06:00am until December 11, 07:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: A 40 percent chance of rain.  Cloudy, with a steady temperature around 44. South wind around 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 7am.  Mostly cloudy, with a high near 58. Southwest wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 58 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 32 mph.

    Low: 46 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 55. West wind 10 to 13 mph.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Northwest wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of rain. Cloudy, with a steady temperature around 44. South wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain before 7am. Mostly cloudy, with a high near 58. Southwest wind 7 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 46. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 32 mph.
Thursday
Partly sunny, with a high near 55. West wind 10 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 40. Northwest wind around 6 mph.
Friday
Mostly cloudy, with a high near 53.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A slight chance of rain between 10am and 4pm. Partly sunny, with a high near 50. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 40.
Monday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
Monday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Coulee City WA
 47.58°N 119.4°W (Elev. 1417 ft)
2:58 am PST Dec 10, 2025
3am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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