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

49°F

9°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 49°F (9°C)
Visibility 1.75 mi
Last update 09 Dec 08:32 PM PST
Extended Forecast for

Paterson WA

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

    Tonight: A 50 percent chance of rain, mainly before 4am.  Cloudy, with a temperature falling to near 47 by midnight, then rising to around 53 during the remainder of the night. Light and variable wind becoming south 6 to 11 mph in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 63. Breezy, with a southwest wind 22 to 28 mph, with gusts as high as 47 mph.

    High: 63 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 53. Breezy, with a southwest wind around 24 mph, with gusts as high as 37 mph.

    Low: 53 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 61. Breezy, with a southwest wind around 22 mph, with gusts as high as 26 mph.

    High: 61 °F

    Slight Chance
    Rain then
    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Southwest wind 7 to 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Friday Night

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

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Saturday Night

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

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly before 4am. Cloudy, with a temperature falling to near 47 by midnight, then rising to around 53 during the remainder of the night. Light and variable wind becoming south 6 to 11 mph in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 63. Breezy, with a southwest wind 22 to 28 mph, with gusts as high as 47 mph.
Wednesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 53. Breezy, with a southwest wind around 24 mph, with gusts as high as 37 mph.
Thursday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 61. Breezy, with a southwest wind around 22 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 48. Southwest wind 7 to 10 mph.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 53.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 52.
Monday Night
Rain likely. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Partly sunny, with a high near 55.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Paterson WA
 45.94°N 119.62°W (Elev. 515 ft)
8:31 pm PST Dec 9, 2025
8pm PST Dec 9, 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