Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

72°F

22°C

Humidity 40%
Wind Speed SE 8 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 27 Jul 10:00 PM PDT
Extended Forecast for

7 Miles E Umatilla OR

  • Tonight

    Tonight: Patchy smoke before 11pm. Clear, with a low around 62. Southwest wind around 6 mph.

    Low: 62 °F

    Patchy Smoke
    then Clear

  • Tuesday

    Tuesday: Patchy smoke after 11am. Sunny, with a high near 89. Southwest wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 89 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. West wind 10 to 15 mph becoming light southwest  after midnight. Winds could gust as high as 24 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. West wind 3 to 7 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60. Southwest wind 5 to 7 mph.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Tonight
Patchy smoke before 11pm. Clear, with a low around 62. Southwest wind around 6 mph.
Tuesday
Patchy smoke after 11am. Sunny, with a high near 89. Southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 59. West wind 10 to 15 mph becoming light southwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Sunny, with a high near 89. West wind 3 to 7 mph.
Wednesday Night
Clear, with a low around 60. Southwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 63.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 59. Breezy.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Umatilla OR
 45.91°N 119.18°W (Elev. 400 ft)
4:52 pm PDT Jul 27, 2026
10pm PDT Jul 27, 2026-6pm PDT Aug 3, 2026
 
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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