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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

NA

51°F

11°C

Humidity 67%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 17 Mar 02:51 AM PDT
Extended Forecast for

4 Miles SW Cascade Locks OR

  • Overnight

    Overnight: A 20 percent chance of rain after 4am. Partly cloudy, with a low around 46. West southwest wind around 6 mph.

    Low: 46 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 2pm. Partly sunny, with a high near 58. West southwest wind around 6 mph. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Southwest wind 3 to 6 mph.

    Low: 46 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 62. West southwest wind around 6 mph.

    High: 62 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 49. Southwest wind 3 to 6 mph.

    Low: 49 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Overnight
A 20 percent chance of rain after 4am. Partly cloudy, with a low around 46. West southwest wind around 6 mph.
Tuesday
Rain likely, mainly before 2pm. Partly sunny, with a high near 58. West southwest wind around 6 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Southwest wind 3 to 6 mph.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 62. West southwest wind around 6 mph.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49. Southwest wind 3 to 6 mph.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 64.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Friday
Rain likely. Mostly cloudy, with a high near 59.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Snow level 4400 feet lowering to 3500 feet. Partly sunny, with a high near 49.
Saturday Night
A slight chance of rain. Snow level 4000 feet lowering to 2900 feet after midnight . Partly cloudy, with a low around 33.
Sunday
A slight chance of rain. Snow level 2600 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 52.
Sunday Night
A slight chance of rain. Snow level 4200 feet lowering to 3300 feet after midnight . Partly cloudy, with a low around 34.
Monday
A chance of rain. Snow level 2900 feet rising to 3700 feet in the afternoon. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cascade Locks OR
 45.63°N 121.93°W (Elev. 2418 ft)
Last Update:
2:41 am PDT Mar 17, 2026
Forecast Valid:
3am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation