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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

87°F

31°C

Humidity 28%
Wind Speed W 11 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 25 Jul 12:53 PM PDT
Extended Forecast for

Hermiston OR

Red Flag Warning until July 25, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until July 25, 08:00pm

    NOW until 8:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 91 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke before 8pm. Clear, with a low around 59. Southwest wind 6 to 16 mph, with gusts as high as 26 mph.

    Low: 59 °F

    Patchy Smoke
    then Clear

  • Sunday

    Sunday: Patchy smoke after 11am. Sunny, with a high near 90. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 90 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Patchy smoke before 11pm. Mostly clear, with a low around 60. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Patchy Smoke
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 91. West wind 5 to 8 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

This Afternoon
Patchy smoke. Sunny, with a high near 91. West wind around 17 mph, with gusts as high as 29 mph.
Tonight
Patchy smoke before 8pm. Clear, with a low around 59. Southwest wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday
Patchy smoke after 11am. Sunny, with a high near 90. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Patchy smoke before 11pm. Mostly clear, with a low around 60. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 91. West wind 5 to 8 mph.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 95.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.85°N 119.32°W (Elev. 459 ft)
Last Update:
11:46 am PDT Jul 25, 2026
Forecast Valid:
1pm PDT Jul 25, 2026-6pm PDT Jul 31, 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