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

Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

84°F

29°C

Humidity 20%
Wind Speed WSW 17 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Jun 02:05 PM PDT
Extended Forecast for

Umatilla OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. West wind around 15 mph, with gusts as high as 23 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. Southwest wind 8 to 16 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.

    Low: 51 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82. Southwest wind 5 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 88. West wind around 15 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 57. Southwest wind 8 to 16 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 85. Southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 51. Southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Juneteenth
Mostly sunny, with a high near 82. Southwest wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 74.
Friday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 50.
Saturday
A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 68.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49.
Sunday
A chance of showers. Partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Sunny, with a high near 85.
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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:
1:07 pm PDT Jun 17, 2025
Forecast Valid:
2pm PDT Jun 17, 2025-6pm PDT Jun 23, 2025
 
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