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

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Overcast

43°F

6°C

Humidity 48%
Wind Speed NW 6 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 30 Mar 07:15 AM PDT
Extended Forecast for

Hermiston OR

  • Today

    Today: Partly sunny, with a high near 55. Southwest wind 5 to 9 mph becoming light and variable.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Northeast wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 11am. High near 57. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm. Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 55. Southwest wind 5 to 9 mph becoming light and variable.
Tonight
Partly cloudy, with a low around 28. Northeast wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 54. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 37. Calm wind.
Wednesday
Rain, mainly after 11am. High near 57. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly before 11pm. Low around 37. Chance of precipitation is 80%.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.84°N 119.25°W (Elev. 548 ft)
Last Update:
4:20 am PDT Mar 30, 2026
Forecast Valid:
7am PDT Mar 30, 2026-6pm PDT Apr 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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