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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Ephrata, Ephrata Municipal Airport (KEPH)

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

Overcast

31°F

-1°C

Humidity 88%
Wind Speed NW 4 MPH
Barometer 30.57 in (1035.22 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 17 Jan 02:53 AM PST
Extended Forecast for

5 Miles S Coulee City WA

Air Stagnation Advisory January 17, 03:11am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 17, 03:11am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 26 °F

    Areas Fog

  • Saturday

    Saturday: Areas of dense fog. Otherwise, cloudy, with a high near 37. Light north wind.

    High: 37 °F

    Areas Dense
    Fog

  • Saturday Night

    Saturday Night: Cloudy during the early evening, then becoming partly cloudy, with a low around 26. North wind around 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Areas of fog. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 39. North wind around 6 mph.

    High: 39 °F

    Areas Fog

  • Sunday Night

    Sunday Night: Areas of fog before 10pm. Otherwise, mostly cloudy, with a low around 25. North wind around 5 mph.

    Low: 25 °F

    Areas Fog
    then Mostly
    Cloudy

  • M.L.King Day

    M.L.King Day: Areas of fog before 3pm. Otherwise, partly sunny, with a high near 37.

    High: 37 °F

    Areas Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 26. Northeast wind around 5 mph.
Saturday
Areas of dense fog. Otherwise, cloudy, with a high near 37. Light north wind.
Saturday Night
Cloudy during the early evening, then becoming partly cloudy, with a low around 26. North wind around 5 mph.
Sunday
Areas of fog. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 39. North wind around 6 mph.
Sunday Night
Areas of fog before 10pm. Otherwise, mostly cloudy, with a low around 25. North wind around 5 mph.
M.L.King Day
Areas of fog before 3pm. Otherwise, partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Coulee City WA
 47.53°N 119.29°W (Elev. 1519 ft)
Last Update:
1:12 am PST Jan 17, 2026
Forecast Valid:
3am PST Jan 17, 2026-6pm PST Jan 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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