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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Overcast

46°F

8°C

Humidity 65%
Wind Speed WSW 8 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 11 Oct 09:10 AM PDT
Extended Forecast for

Umatilla OR

  • Today

    Today: Mostly sunny, with a high near 60. Northeast wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, partly cloudy, with a low around 38. Northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy
    then Areas
    Frost

  • Columbus Day

    Columbus Day: Areas of frost before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. Northeast wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 38. Northeast wind 5 to 7 mph becoming calm in the evening.
Columbus Day
Areas of frost before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 62. Calm wind.
Monday Night
Mostly clear, with a low around 33. Calm wind.
Tuesday
Sunny, with a high near 67. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.91°N 119.33°W (Elev. 400 ft)
Last Update:
9:12 am PDT Oct 11, 2026
Forecast Valid:
9am PDT Oct 11, 2026-6pm PDT Oct 17, 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