Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

86°F

30°C

Humidity 17%
Wind Speed W 9 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 05 Aug 05:05 PM PDT
Extended Forecast for

Umatilla OR

  • Tonight

    Tonight: Increasing clouds, with a low around 64. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 2pm.  Mostly cloudy, with a high near 83. West wind 8 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 61. West wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers.  Sunny, with a high near 82. West wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 64. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
A slight chance of showers between 8am and 2pm. Mostly cloudy, with a high near 83. West wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 61. West wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday
A 20 percent chance of showers. Sunny, with a high near 82. West wind 7 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 54. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 96.
Sunday Night
Clear, with a low around 64.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.91°N 119.33°W (Elev. 400 ft)
4:15 pm PDT Aug 5, 2025
5pm PDT Aug 5, 2025-6pm PDT Aug 12, 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