National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

unknown precip,mist

30°F

-1°C

Humidity 95%
Wind Speed NE 4 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 29°F (-2°C)
Visibility 3.00 mi
Wind Chill26°F (-3°C)
Last update 01 Jan 10:21 AM PST
Extended Forecast for

Hermiston OR

Winter Weather Advisory January 1, 10:42am until January 2, 01:00am
Air Stagnation Advisory January 1, 10:42am until January 1, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
Air Stagnation Advisory
  •  
    Winter Weather Advisory January 1, 10:42am until January 2, 01:00am
    Air Stagnation Advisory January 1, 10:42am until January 1, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • New Year's Day

    High: 32 °F

    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain. Cloudy, with a low around 31. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Mostly cloudy, with a high near 43. Light and variable wind.

    High: 43 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 33. Light northeast wind.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 47. Light and variable wind becoming north around 6 mph in the morning.

    High: 47 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain. Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

New Year's Day
A 50 percent chance of rain. Cloudy, with a high near 32. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 50 percent chance of rain. Cloudy, with a low around 31. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 43. Light and variable wind.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33. Light northeast wind.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47. Light and variable wind becoming north around 6 mph in the morning.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 51.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 48.
Monday Night
A chance of rain. Partly cloudy, with a low around 33.
Tuesday
A chance of rain. Partly sunny, with a high near 48.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.83°N 119.28°W (Elev. 499 ft)
Last Update:
10:07 am PST Jan 1, 2026
Forecast Valid:
10am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation