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

45°F

7°C

Humidity 59%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 29 Nov 02:34 PM PST
Extended Forecast for

6 Miles S Cascade Locks OR

  • This Afternoon

    This Afternoon: A 10 percent chance of rain after 4pm.  Snow level 3100 feet. Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of rain, mixing with snow after 8pm, then gradually ending.  Widespread frost after 11pm. Snow level 2500 feet lowering to 2000 feet after midnight .  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 30. Light east wind.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Frost

  • Sunday

    Sunday: Widespread frost before 9am, then areas of frost after 5pm.  Otherwise, sunny, with a high near 42. Calm wind.

    High: 42 °F

    Frost

  • Sunday Night

    Sunday Night: Widespread frost before 4am, then widespread frost after 5am.  Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Frost

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm.  Snow level 2100 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Tuesday

    Tuesday: Rain, mainly before 4pm.  Snow level 3900 feet. High near 42. Chance of precipitation is 80%.

    High: 42 °F

    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 10pm.  Snow level 3700 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of rain after 4pm. Snow level 3100 feet. Mostly cloudy, with a high near 42. Calm wind.
Tonight
A chance of rain, mixing with snow after 8pm, then gradually ending. Widespread frost after 11pm. Snow level 2500 feet lowering to 2000 feet after midnight . Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 30. Light east wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Widespread frost before 9am, then areas of frost after 5pm. Otherwise, sunny, with a high near 42. Calm wind.
Sunday Night
Widespread frost before 4am, then widespread frost after 5am. Otherwise, partly cloudy, with a low around 31. Calm wind.
Monday
A 30 percent chance of rain, mainly after 4pm. Snow level 2100 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 45. Calm wind.
Monday Night
Rain, mainly after 10pm. Low around 35. Chance of precipitation is 80%.
Tuesday
Rain, mainly before 4pm. Snow level 3900 feet. High near 42. Chance of precipitation is 80%.
Tuesday Night
A slight chance of rain before 10pm. Snow level 3700 feet. Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
A slight chance of rain after 4am. Snow level 3900 feet rising to 4400 feet after midnight. Mostly cloudy, with a low around 34.
Thursday
A chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
Rain likely. Mostly cloudy, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Cascade Locks OR
 45.58°N 121.85°W (Elev. 2018 ft)
2:41 pm PST Nov 29, 2025
2pm PST Nov 29, 2025-6pm PST Dec 5, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database