Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

Lat: 45.82583°NLon: 119.26111°WElev: 636.0ft.

Overcast

30°F

-1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 Jan 11:20 PM PST
Extended Forecast for

4 Miles ESE Alderdale WA

  • Tonight

    Tonight: Cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 35. Light and variable wind.

    High: 35 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 36. Calm wind.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a low around 27. Calm wind.
Wednesday
Cloudy, with a high near 35. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 28. Calm wind.
Thursday
Mostly cloudy, with a high near 36. Calm wind.
Thursday Night
Partly cloudy, with a low around 26. Calm wind.
Friday
Mostly sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 36.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Alderdale WA
 45.85°N 119.81°W (Elev. 335 ft)
9:17 pm PST Jan 20, 2026
11pm PST Jan 20, 2026-6pm PST Jan 27, 2026
 
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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