Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

47°F

8°C

Humidity 76%
Wind Speed S 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 17 Oct 08:53 PM PDT
Extended Forecast for

Umatilla OR

  • Tonight

    Tonight: Patchy frost after 5am.  Otherwise, mostly clear, with a low around 36. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy fog before 11am. Patchy frost before 8am.  Otherwise, increasing clouds, with a high near 62. Light and variable wind.

    High: 62 °F

    Patchy Frost
    and Patchy
    Fog then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 11pm.  Cloudy, with a low around 49. South wind 3 to 7 mph.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 64. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 37 mph.

    High: 64 °F

    Breezy.
    Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Southwest wind 11 to 21 mph, with gusts as high as 33 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West wind 5 to 9 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Patchy frost before 8am. Otherwise, increasing clouds, with a high near 62. Light and variable wind.
Saturday Night
A 40 percent chance of showers after 11pm. Cloudy, with a low around 49. South wind 3 to 7 mph.
Sunday
A 40 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 64. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 37 mph.
Sunday Night
Mostly clear, with a low around 41. Southwest wind 11 to 21 mph, with gusts as high as 33 mph.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 40.
Thursday
A chance of showers. Partly sunny, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44.
Friday
A chance of showers. Mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.91°N 119.36°W (Elev. 400 ft)
4:15 pm PDT Oct 17, 2025
9pm PDT Oct 17, 2025-6pm PDT Oct 24, 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