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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

27°F

-3°C

Humidity 92%
Wind Speed E 3 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 18 Feb 11:35 PM PST
Extended Forecast for

4 Miles ESE Alderdale WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. South wind around 5 mph becoming northeast after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 42. North wind around 8 mph.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain and snow. Snow level 600 feet. Mostly cloudy, with a low around 29. West wind around 6 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 44. Southwest wind 5 to 7 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Southeast wind around 6 mph becoming north after midnight.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. South wind around 5 mph becoming northeast after midnight.
Thursday
Mostly cloudy, with a high near 42. North wind around 8 mph.
Thursday Night
A slight chance of rain and snow. Snow level 600 feet. Mostly cloudy, with a low around 29. West wind around 6 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 44. Southwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 31. Southeast wind around 6 mph becoming north after midnight.
Saturday
Partly sunny, with a high near 47.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 33.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Monday
Rain likely. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 51.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Alderdale WA
 45.85°N 119.81°W (Elev. 335 ft)
Last Update:
10:51 pm PST Feb 18, 2026
Forecast Valid:
11pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
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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