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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

84°F

29°C

Humidity 25%
Wind Speed N 0 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 24 Jul 09:00 PM PDT
Extended Forecast for

3 Miles SSW Alderdale WA

Red Flag Warning July 25, 10:00am until July 25, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Clear, with a low around 66. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 66 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Southwest wind 13 to 21 mph, with gusts as high as 29 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 29 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Southwest wind 8 to 16 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 66. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 89. Southwest wind 13 to 21 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 59. Southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 87. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 60. Southwest wind 8 to 16 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 89.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 93.
Thursday Night
Clear, with a low around 63.
Friday
Sunny, with a high near 94.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Alderdale WA
 45.84°N 119.93°W (Elev. 482 ft)
Last Update:
3:01 pm PDT Jul 24, 2026
Forecast Valid:
9pm PDT Jul 24, 2026-6pm PDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation