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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

CASTLE ROCK (TR950)

Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 11 Jan 07:09 AM PST
Extended Forecast for

11 Miles NW Mount St Helens WA

  • Today

    Today: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 41. South southeast wind 8 to 11 mph. Chance of precipitation is 60%.

    High: 41 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 40. South southeast wind 9 to 11 mph. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely
    then Slight
    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain. Partly sunny, with a steady temperature around 43. South southeast wind 5 to 8 mph.

    High: 43 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. East wind 6 to 8 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. East southeast wind 5 to 9 mph becoming light and variable in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

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

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Today
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 41. South southeast wind 8 to 11 mph. Chance of precipitation is 60%.
Tonight
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 40. South southeast wind 9 to 11 mph. Chance of precipitation is 60%.
Monday
A 40 percent chance of rain. Partly sunny, with a steady temperature around 43. South southeast wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 41. East wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 53. East southeast wind 5 to 9 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 36. Breezy.
Saturday
Sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Mount St Helens WA
 46.31°N 122.34°W (Elev. 3691 ft)
Last Update:
6:41 am PST Jan 11, 2026
Forecast Valid:
7am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
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