Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Partly Cloudy

32°F

0°C

Humidity 63%
Wind Speed NE 8 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 27 Dec 07:53 PM PST
Extended Forecast for

Umatilla OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Northeast wind 3 to 5 mph.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 39. Light northeast wind.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. Light northeast wind.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. Light north wind.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 36.

    High: 36 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 23.

    Low: 23 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 1pm.  Otherwise, mostly sunny, with a high near 36.

    High: 36 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: Patchy fog after 7pm.  Otherwise, mostly cloudy, with a low around 24.

    Low: 24 °F

    Patchy Fog

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 39. Light northeast wind.
Sunday Night
Mostly cloudy, with a low around 25. Light northeast wind.
Monday
Mostly sunny, with a high near 36. Light north wind.
Monday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 23. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 36.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 23.
Wednesday
Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 36.
Wednesday Night
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 24.
New Year's Day
A slight chance of rain after 4pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 38.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 29.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.91°N 119.33°W (Elev. 400 ft)
3:47 pm PST Dec 27, 2025
8pm PST Dec 27, 2025-6pm PST Jan 3, 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