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

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

72°F

22°C

Humidity 39%
Wind Speed WSW 9 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 11 Jul 11:53 PM PDT
Extended Forecast for

Umatilla OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind 5 to 8 mph becoming calm in the afternoon.
Sunday Night
Partly cloudy, with a low around 58. Calm wind.
Monday
Mostly sunny, with a high near 93. Light and variable wind.
Monday Night
Partly cloudy, with a low around 63. Light and variable wind.
Tuesday
Mostly sunny and hot, with a high near 98.
Tuesday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 64.
Wednesday
Sunny, with a high near 97.
Wednesday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.91°N 119.33°W (Elev. 400 ft)
Last Update:
11:46 pm PDT Jul 11, 2026
Forecast Valid:
12am PDT Jul 12, 2026-6pm PDT Jul 18, 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