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

39°F

4°C

Humidity 91%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 28 Dec 12:11 AM PST
Extended Forecast for

8 Miles NW Cascade Locks OR

  • Overnight

    Overnight: A 20 percent chance of snow showers before 2am.  Mostly cloudy, with a steady temperature around 30. West northwest wind around 5 mph.

    Low: 30 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 36. East wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. East wind around 11 mph, with gusts as high as 29 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. East wind around 13 mph, with gusts as high as 31 mph.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. East wind 11 to 13 mph, with gusts as high as 32 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow showers before 2am. Mostly cloudy, with a steady temperature around 30. West northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 36. East wind 6 to 8 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 28. East wind around 11 mph, with gusts as high as 29 mph.
Monday
Partly sunny, with a high near 36. East wind around 13 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 28. East wind 11 to 13 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 30.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 40.
Thursday Night
Rain. Mostly cloudy, with a low around 34.
Friday
Rain, possibly mixed with snow. Snow level 3300 feet. Cloudy, with a high near 39.
Friday Night
Rain and snow likely. Snow level 2500 feet. Mostly cloudy, with a low around 32.
Saturday
Rain and snow likely. Snow level 2500 feet. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Cascade Locks OR
 45.75°N 122.02°W (Elev. 1857 ft)
11:41 pm PST Dec 27, 2025
12am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database