Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

NA

40°F

4°C

Humidity 81%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 27 Dec 06:51 PM PST
Extended Forecast for

Cascade Locks OR

  • Tonight

    Tonight: A chance of showers between 8pm and 1am.  Snow level 1700 feet lowering to 1200 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 34. Southwest wind around 6 mph.  Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers

  • Sunday

    Sunday: Areas of frost between 9am and 11am.  Otherwise, mostly sunny, with a high near 41. Northeast wind 6 to 8 mph.

    High: 41 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. East northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. Breezy, with an east wind around 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. East wind around 14 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Breezy.

    High: 41 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers between 8pm and 1am. Snow level 1700 feet lowering to 1200 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 34. Southwest wind around 6 mph. Chance of precipitation is 30%.
Sunday
Areas of frost between 9am and 11am. Otherwise, mostly sunny, with a high near 41. Northeast wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 34. East northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 41. Breezy, with an east wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 33. East wind around 14 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 41. Breezy.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 36.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
Rain. Mostly cloudy, with a high near 46.
Friday Night
Rain likely. Mostly cloudy, with a low around 38.
Saturday
Rain likely. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.68°N 121.88°W (Elev. 194 ft)
6:41 pm PST Dec 27, 2025
7pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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