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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Partly Cloudy

40°F

4°C

Humidity 92%
Wind Speed NW 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 38°F (3°C)
Visibility 9.00 mi
Wind Chill37°F (3°C)
Last update 22 Nov 01:38 PM PST
Extended Forecast for

8 Miles E Umatilla OR

  • This Afternoon

    This Afternoon: Patchy fog before 4pm. Otherwise, partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 7pm. Otherwise, increasing clouds, with a low around 37. Light south wind.

    Low: 37 °F

    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of rain after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 54 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Cloudy during the early evening, then gradual clearing, with a low around 36. Southwest wind around 11 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Monday

    Monday: Sunny, with a high near 50. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 4am. Cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

Detailed Forecast

This Afternoon
Patchy fog before 4pm. Otherwise, partly sunny, with a high near 46. Calm wind.
Tonight
Patchy fog after 7pm. Otherwise, increasing clouds, with a low around 37. Light south wind.
Sunday
A 20 percent chance of rain after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday Night
A 50 percent chance of rain. Cloudy during the early evening, then gradual clearing, with a low around 36. Southwest wind around 11 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 50. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 45.
Tuesday Night
Rain likely, mainly after 4am. Cloudy, with a low around 35. Chance of precipitation is 60%.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thanksgiving Day
A chance of rain. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Partly sunny, with a high near 50.
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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:
1:30 pm PST Nov 22, 2025
Forecast Valid:
1pm PST Nov 22, 2025-6pm PST Nov 28, 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