Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Ephrata, Ephrata Municipal Airport (KEPH)

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

Clear

53°F

12°C

Humidity 71%
Wind Speed SSW 14 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 08 Dec 05:53 PM PST
Extended Forecast for

5 Miles S Coulee City WA

Wind Advisory December 8, 07:00pm until December 9, 07:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: A 50 percent chance of rain.  Mostly cloudy, with a low around 40. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 36 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 47. South wind 7 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Mostly Cloudy
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 10pm.  Steady temperature around 41. South wind around 7 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 41 °F

    Rain/Snow
    then Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 55. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 40. Southwest wind around 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

  • Thursday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain. Mostly cloudy, with a low around 40. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 36 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 47. South wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 10pm. Steady temperature around 41. South wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 55. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40. Southwest wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 51.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 51.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 51.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Coulee City WA
 47.53°N 119.29°W (Elev. 1519 ft)
3:17 pm PST Dec 8, 2025
6pm PST Dec 8, 2025-6pm PST Dec 15, 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