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 SE 1 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 29 Nov 08:14 PM PST
Extended Forecast for

Cascade Locks OR

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 9pm.  Snow level 2300 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 35. Northeast wind around 6 mph.

    Low: 35 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Areas of frost before 9am.  Otherwise, sunny, with a high near 47. Northeast wind 6 to 8 mph.

    High: 47 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 11pm.  Otherwise, partly cloudy, with a low around 35. East wind around 6 mph.

    Low: 35 °F

    Areas Frost

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm.  Snow level 1600 feet rising to 3700 feet in the afternoon. Partly sunny, with a high near 48. East wind around 5 mph becoming light and variable  in the afternoon.

    High: 48 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 40. West southwest wind 3 to 6 mph.  Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 48. Chance of precipitation is 70%.

    High: 48 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 9pm. Snow level 2300 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 35. Northeast wind around 6 mph.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 47. Northeast wind 6 to 8 mph.
Sunday Night
Areas of frost after 11pm. Otherwise, partly cloudy, with a low around 35. East wind around 6 mph.
Monday
A 30 percent chance of rain, mainly after 4pm. Snow level 1600 feet rising to 3700 feet in the afternoon. Partly sunny, with a high near 48. East wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 40. West southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 39.
Thursday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 49.
Thursday Night
Rain likely. Mostly cloudy, with a low around 44.
Friday
Rain likely. Mostly cloudy, with a high near 53.
Friday Night
Rain. Mostly cloudy, with a low around 46.
Saturday
Rain. Mostly cloudy, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.66°N 121.9°W (Elev. 102 ft)
8:20 pm PST Nov 29, 2025
8pm PST Nov 29, 2025-6pm PST Dec 6, 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