Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

48°F

9°C

Humidity 63%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 13 Apr 11:57 PM PDT
Extended Forecast for

Cascade Locks OR

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 4am.  Mostly cloudy, with a low around 43. West southwest wind around 7 mph.

    Low: 43 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain, mainly after 2pm.  High near 51. Breezy, with a west southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 40. Breezy, with a southwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 40 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  Snow level 2300 feet lowering to 1500 feet. High near 49. West southwest wind 5 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 11pm.  Snow level 2100 feet lowering to 1500 feet after midnight . Low around 37. West southwest wind 5 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers.  Snow level 1400 feet rising to 2800 feet in the afternoon. Partly sunny, with a high near 50.

    High: 50 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 43. West southwest wind around 7 mph.
Tuesday
Rain, mainly after 2pm. High near 51. Breezy, with a west southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 40. Breezy, with a southwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Snow level 2300 feet lowering to 1500 feet. High near 49. West southwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers, mainly before 11pm. Snow level 2100 feet lowering to 1500 feet after midnight . Low around 37. West southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 50 percent chance of showers. Snow level 1400 feet rising to 2800 feet in the afternoon. Partly sunny, with a high near 50.
Thursday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 65.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 60.
Sunday Night
Rain likely. Mostly cloudy, with a low around 44.
Monday
Rain likely. Mostly cloudy, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.66°N 121.9°W (Elev. 102 ft)
11:41 pm PDT Apr 13, 2026
12am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database