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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. 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 91%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 13 Apr 09:07 AM PDT
Extended Forecast for

4 Miles SSW Cascade Locks OR

  • Today

    Today: Showers, mainly before 2pm.  High near 50. West wind 5 to 7 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Showers

  • Tonight

    Tonight: A chance of showers before 11pm, then a slight chance of showers after 4am.  Snow level 4000 feet lowering to 2800 feet after midnight . Mostly cloudy, with a low around 40. West wind 3 to 6 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of rain and snow before 11am, then rain.  High near 48. Light southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 38. Southwest wind 7 to 9 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain before 2pm, then rain and possibly a thunderstorm between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm.  Snow level 2800 feet lowering to 2100 feet. High near 45. West wind 3 to 7 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 45 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain before 2am, then a chance of rain and snow. Some thunder is also possible.  Snow level 2300 feet lowering to 1500 feet after midnight . Low around 35. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: Rain likely, mainly after 11am.  Snow level 1500 feet rising to 2700 feet in the afternoon. Partly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain before 11pm.  Snow level 3200 feet lowering to 2500 feet after midnight . Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly before 2pm. High near 50. West wind 5 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers before 11pm, then a slight chance of showers after 4am. Snow level 4000 feet lowering to 2800 feet after midnight . Mostly cloudy, with a low around 40. West wind 3 to 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tuesday
A chance of rain and snow before 11am, then rain. High near 48. Light southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 38. Southwest wind 7 to 9 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain before 2pm, then rain and possibly a thunderstorm between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Snow level 2800 feet lowering to 2100 feet. High near 45. West wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain before 2am, then a chance of rain and snow. Some thunder is also possible. Snow level 2300 feet lowering to 1500 feet after midnight . Low around 35. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain likely, mainly after 11am. Snow level 1500 feet rising to 2700 feet in the afternoon. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Thursday Night
A chance of rain before 11pm. Snow level 3200 feet lowering to 2500 feet after midnight . Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 53.
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 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
8:41 am PDT Apr 13, 2026
9am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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