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

Hermiston, Hermiston Municipal Airport (KHRI)

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

Mist

48°F

9°C

Humidity 96%
Wind Speed SSE 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 47°F (8°C)
Visibility 3.00 mi
Last update 10 Dec 02:53 AM PST
Extended Forecast for

Umatilla OR

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

    Overnight: Cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 33 mph.

    High: 65 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. Southwest wind around 21 mph, with gusts as high as 26 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 62. Southwest wind around 17 mph, with gusts as high as 25 mph.

    High: 62 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Southwest wind 6 to 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 65. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly cloudy, with a low around 54. Southwest wind around 21 mph, with gusts as high as 26 mph.
Thursday
Mostly cloudy, with a high near 62. Southwest wind around 17 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 47. Southwest wind 6 to 8 mph.
Friday
Partly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
A chance of rain. Mostly cloudy, with a high near 58.
Monday Night
Rain likely. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Partly sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.91°N 119.33°W (Elev. 400 ft)
2:31 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