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

51°F

11°C

Humidity 68%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 13 Apr 08:27 PM PDT
Extended Forecast for

5 Miles S Cascade Locks OR

  • Tonight

    Tonight: A chance of rain showers before 4am, then a chance of rain and snow showers.  Mostly cloudy, with a low around 40. West wind 3 to 6 mph. Winds could gust as high as 18 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 40 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of showers before 10am, then rain, mainly after 10am.  High near 48. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Chance
    Showers then
    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 38. Southwest wind 7 to 10 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain, possibly mixed with snow showers, becoming all rain after 11am. Some thunder is also possible.  Snow level 2100 feet. High near 45. West wind 3 to 7 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 2am, then a chance of rain and snow showers.  Snow level 2300 feet lowering to 1400 feet after midnight . Low around 34. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: Showers likely, mainly after 11am.  Snow level 1400 feet rising to 2600 feet in the afternoon. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 11pm.  Snow level 3000 feet lowering to 2500 feet after midnight . Partly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: A slight chance of rain before 11am.  Snow level 2200 feet rising to 3400 feet in the afternoon. Mostly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 40. West wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A chance of showers before 10am, then rain, mainly after 10am. High near 48. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 38. Southwest wind 7 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain, possibly mixed with snow showers, becoming all rain after 11am. Some thunder is also possible. Snow level 2100 feet. High near 45. West wind 3 to 7 mph. Winds could gust as high as 21 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain showers before 2am, then a chance of rain and snow showers. Snow level 2300 feet lowering to 1400 feet after midnight . Low around 34. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Showers likely, mainly after 11am. Snow level 1400 feet rising to 2600 feet in the afternoon. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of rain before 11pm. Snow level 3000 feet lowering to 2500 feet after midnight . Partly cloudy, with a low around 35.
Friday
A slight chance of rain before 11am. Snow level 2200 feet rising to 3400 feet in the afternoon. Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 60.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain likely. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
7:41 pm PDT Apr 13, 2026
8pm PDT Apr 13, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

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