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.

Clear

50°F

10°C

Humidity 81%
Wind Speed ESE 3 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 Nov 09:15 PM PST
Extended Forecast for

5 Miles SE Alderdale WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain after 10am. Cloudy, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 53 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Cloudy, with a low around 47. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Monday

    Monday: A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55. Southwest wind around 10 mph.

    High: 55 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40. Southwest wind around 9 mph.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Calm wind.
Sunday
A 40 percent chance of rain after 10am. Cloudy, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 47. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55. Southwest wind around 10 mph.
Monday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40. Southwest wind around 9 mph.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 36.
Thursday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 46.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
A slight chance of rain. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Alderdale WA
 45.83°N 119.84°W (Elev. 308 ft)
Last Update:
9:17 pm PST Nov 15, 2025
Forecast Valid:
9pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
Forecast Discussion
 
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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