Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

60°F

16°C

Humidity 49%
Wind Speed SW 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Dec 06:53 AM PST
Extended Forecast for

8 Miles E Umatilla OR

  • Today

    Today: A 20 percent chance of rain.  Mostly cloudy, with a high near 61. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 61 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Southwest wind 5 to 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60. Southwest wind 5 to 8 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. Southwest wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

Detailed Forecast

Today
A 20 percent chance of rain. Mostly cloudy, with a high near 61. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 46. Southwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 60. Southwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 41. Southwest wind around 6 mph.
Saturday
Sunny, with a high near 56. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Partly sunny, with a high near 58.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Umatilla OR
 45.91°N 119.18°W (Elev. 400 ft)
6:51 am PST Dec 11, 2025
7am PST Dec 11, 2025-6pm PST Dec 17, 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