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

51°F

11°C

Humidity 66%
Wind Speed SW 9 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 13 Apr 12:37 PM PDT
Extended Forecast for

3 Miles WSW Cascade Locks OR

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely.  Mostly cloudy, with a high near 53. Breezy, with a west southwest wind around 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A chance of showers before 11pm, then a chance of showers after 2am.  Mostly cloudy, with a low around 43. West southwest wind 7 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 10am, then rain, mainly after 10am.  High near 51. Breezy, with a west southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Breezy.
    Chance
    Showers then
    Rain

  • Tuesday Night

    Tuesday Night: Rain before 5am, then rain, possibly mixed with snow.  Low around 40. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 39 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 40 °F

    Breezy. Rain
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow showers, becoming all rain after 8am. Some thunder is also possible.  Snow level 1800 feet rising to 2300 feet in the afternoon. High near 48. Breezy, with a west wind 9 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    then Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers, mainly before 11pm.  Snow level 2300 feet lowering to 1400 feet after midnight . Low around 37. Chance of precipitation is 90%.

    Low: 37 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers.  Snow level 1400 feet rising to 2600 feet in the afternoon. Partly sunny, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of rain before 11pm.  Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a high near 53. Breezy, with a west southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers before 11pm, then a chance of showers after 2am. Mostly cloudy, with a low around 43. West southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers before 10am, then rain, mainly after 10am. High near 51. Breezy, with a west southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain before 5am, then rain, possibly mixed with snow. Low around 40. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow showers, becoming all rain after 8am. Some thunder is also possible. Snow level 1800 feet rising to 2300 feet in the afternoon. High near 48. Breezy, with a west wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Showers, mainly before 11pm. Snow level 2300 feet lowering to 1400 feet after midnight . Low around 37. Chance of precipitation is 90%.
Thursday
A 50 percent chance of showers. Snow level 1400 feet rising to 2600 feet in the afternoon. Partly sunny, with a high near 51.
Thursday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 63.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Cascade Locks OR
 45.65°N 121.93°W (Elev. 200 ft)
12:41 pm PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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