Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

61°F

16°C

Humidity 51%
Wind Speed SW 6 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 30 Aug 08:10 AM PDT
Extended Forecast for

2 Miles NE Umatilla OR

  • Today

    Today: Sunny, with a high near 79. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 56. North wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 11am.  Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 79. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 50. Calm wind.
Monday
Sunny, with a high near 88. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 56. North wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 77.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50.
Thursday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 74.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Friday
A slight chance of showers. Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 49.
Saturday
A slight chance of showers. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Umatilla OR
 45.94°N 119.31°W (Elev. 400 ft)
7:51 am PDT Aug 30, 2026
8am PDT Aug 30, 2026-6pm PDT Sep 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database