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Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

45°F

7°C

Humidity 100%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 11 Jan 11:09 AM PST
Extended Forecast for

12 Miles WNW Mount St Helens WA

  • Today

    Today: A 40 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 49. Light southeast wind.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely
    then Slight
    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain. Partly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 49. Light southeast wind.
Tonight
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 60%.
Monday
A 40 percent chance of rain. Partly sunny, with a high near 54. Calm wind.
Monday Night
Partly cloudy, with a low around 46. Calm wind.
Tuesday
Mostly sunny, with a high near 60. Calm wind.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Mount St Helens WA
 46.23°N 122.44°W (Elev. 1240 ft)
Last Update:
10:41 am PST Jan 11, 2026
Forecast Valid:
11am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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