Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. 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 91%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 29 Nov 11:14 PM PST
Extended Forecast for

5 Miles S Cascade Locks OR

  • Tonight

    Tonight: Widespread frost, mainly after 4am.  Otherwise, partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am.  Otherwise, sunny, with a high near 46. Light east wind.

    High: 46 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after midnight.  Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm.  Snow level 2000 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Low around 38. Calm wind.  Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Tuesday

    Tuesday: Rain, mainly before 4pm.  High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 32. Calm wind.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 46. Light east wind.
Sunday Night
Widespread frost, mainly after midnight. Otherwise, partly cloudy, with a low around 33. Calm wind.
Monday
A 30 percent chance of rain, mainly after 4pm. Snow level 2000 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 48. Calm wind.
Monday Night
Rain, mainly after 10pm. Low around 38. Calm wind. Chance of precipitation is 80%.
Tuesday
Rain, mainly before 4pm. High near 46. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 36.
Thursday
A chance of rain, mainly after 10am. Partly sunny, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 52.
Friday Night
Rain. Mostly cloudy, with a low around 44.
Saturday
Rain. Mostly cloudy, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade Locks OR
 45.6°N 121.88°W (Elev. 1142 ft)
10:45 pm PST Nov 29, 2025
11pm PST Nov 29, 2025-6pm PST Dec 6, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database