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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

43°F

6°C

Humidity 56%
Wind Speed SW 8 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 22 Mar 12:20 AM PDT
Extended Forecast for

8 Miles E Umatilla OR

  • Overnight

    Overnight: Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 11am. Otherwise, sunny, with a high near 59. Light and variable wind becoming southwest around 5 mph in the afternoon.

    High: 59 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Light east wind.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. Calm wind becoming west around 5 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. South wind around 6 mph.
Sunday
Areas of frost before 11am. Otherwise, sunny, with a high near 59. Light and variable wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 38. Light east wind.
Monday
Partly sunny, with a high near 62. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Cloudy, with a low around 47. Light and variable wind.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 42.
Wednesday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 37.
Saturday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Umatilla OR
 45.92°N 119.15°W (Elev. 404 ft)
Last Update:
11:02 pm PDT Mar 21, 2026
Forecast Valid:
12am PDT Mar 22, 2026-6pm PDT Mar 28, 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