Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. 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 84%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 15 Mar 06:21 PM PDT
Extended Forecast for

4 Miles SW Cascade Locks OR

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 8pm.  Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Chance Rain
    then Slight
    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain, mainly before 10am.  Mostly sunny, with a high near 62. West southwest wind 3 to 7 mph.

    High: 62 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm.  Partly cloudy, with a low around 47. Southwest wind around 7 mph.

    Low: 47 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Partly sunny, with a high near 59. West southwest wind around 6 mph.

    High: 59 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 46. Southwest wind around 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly before 8pm. Mostly cloudy, with a low around 40. Light and variable wind.
Monday
A 40 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 62. West southwest wind 3 to 7 mph.
Monday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 47. Southwest wind around 7 mph.
Tuesday
A 50 percent chance of rain. Partly sunny, with a high near 59. West southwest wind around 6 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46. Southwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 62.
Thursday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49.
Friday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 59.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42.
Saturday
A chance of rain. Snow level 4800 feet lowering to 4100 feet. Partly sunny, with a high near 53.
Saturday Night
A slight chance of rain. Snow level 4400 feet lowering to 3000 feet after midnight . Partly cloudy, with a low around 35.
Sunday
A chance of rain. Snow level 2600 feet rising to 3600 feet in the afternoon. Partly sunny, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cascade Locks OR
 45.63°N 121.93°W (Elev. 2418 ft)
5:41 pm PDT Mar 15, 2026
6pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
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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