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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. 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 46%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 29 Dec 02:41 PM PST
Extended Forecast for

7 Miles S Cascade Locks OR

  • This Afternoon

    This Afternoon: Widespread frost, mainly after 5pm. Otherwise, mostly sunny, with a high near 37. East wind around 5 mph.

    High: 37 °F

    Frost

  • Tonight

    Tonight: Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. East wind around 7 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Cloudy
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 10am. Otherwise, sunny, with a high near 38. East wind 5 to 7 mph, with gusts as high as 21 mph.

    High: 38 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost. Otherwise, mostly clear, with a low around 28. Light east wind.

    Low: 28 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 10am. Otherwise, partly sunny, with a high near 41. Light east wind.

    High: 41 °F

    Frost then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain

  • New Year's Day

    New Year's Day: Rain, mainly after 4pm. High near 40. Chance of precipitation is 80%.

    High: 40 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 35.

    Low: 35 °F

    Rain

  • Friday

    Friday: Rain. Cloudy, with a high near 43.

    High: 43 °F

    Rain

Detailed Forecast

This Afternoon
Widespread frost, mainly after 5pm. Otherwise, mostly sunny, with a high near 37. East wind around 5 mph.
Tonight
Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. East wind around 7 mph, with gusts as high as 18 mph.
Tuesday
Widespread frost before 10am. Otherwise, sunny, with a high near 38. East wind 5 to 7 mph, with gusts as high as 21 mph.
Tuesday Night
Widespread frost. Otherwise, mostly clear, with a low around 28. Light east wind.
Wednesday
Widespread frost, mainly before 10am. Otherwise, partly sunny, with a high near 41. Light east wind.
Wednesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 32.
New Year's Day
Rain, mainly after 4pm. High near 40. Chance of precipitation is 80%.
Thursday Night
Rain. Cloudy, with a low around 35.
Friday
Rain. Cloudy, with a high near 43.
Friday Night
Rain. Mostly cloudy, with a low around 36.
Saturday
Rain, possibly mixed with snow. Snow level 4000 feet. Mostly cloudy, with a high near 43.
Saturday Night
Rain likely, possibly mixed with snow. Snow level 3600 feet. Mostly cloudy, with a low around 36.
Sunday
Rain likely, possibly mixed with snow. Snow level 3600 feet. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Cascade Locks OR
 45.58°N 121.85°W (Elev. 2018 ft)
Last Update:
2:41 pm PST Dec 29, 2025
Forecast Valid:
2pm PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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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