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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Mostly Cloudy

54°F

12°C

Humidity 66%
Wind Speed WSW 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 15 Nov 12:53 AM PST
Extended Forecast for

8 Miles E Umatilla OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. South wind around 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62. West wind around 8 mph.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A 30 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 44. South wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. South wind around 6 mph.
Saturday
Mostly cloudy, with a high near 62. West wind around 8 mph.
Saturday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Sunday
A 30 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44. South wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 58.
Monday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Partly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Umatilla OR
 45.91°N 119.18°W (Elev. 400 ft)
Last Update:
12:46 am PST Nov 15, 2025
Forecast Valid:
1am PST Nov 15, 2025-6pm PST Nov 21, 2025
 
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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