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

46°F

8°C

Humidity 67%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 14 Apr 04:27 AM PDT
Extended Forecast for

9 Miles NNW Cascade Locks OR

Winter Storm Warning April 14, 05:00pm until April 16, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 40. West wind around 5 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Rain, mainly after noon.  High near 48. West southwest wind 6 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 4100 feet lowering to 2700 feet after midnight . Low around 37. Southwest wind 6 to 10 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain showers before 8am, then rain, possibly mixed with snow showers between 8am and 11am, then rain showers after 11am. Some thunder is also possible.  Snow level 2200 feet lowering to 1600 feet. High near 47. West wind 5 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    then Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of rain showers after 2am.  Snow level 2200 feet lowering to 1500 feet after midnight . Low around 35. West wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • 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 30 percent chance of showers before 11pm.  Snow level 3300 feet lowering to 2400 feet after midnight . Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 40. West wind around 5 mph.
Tuesday
Rain, mainly after noon. High near 48. West southwest wind 6 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Snow level 4100 feet lowering to 2700 feet after midnight . Low around 37. Southwest wind 6 to 10 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain showers before 8am, then rain, possibly mixed with snow showers between 8am and 11am, then rain showers after 11am. Some thunder is also possible. Snow level 2200 feet lowering to 1600 feet. High near 47. West wind 5 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of rain showers after 2am. Snow level 2200 feet lowering to 1500 feet after midnight . Low around 35. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
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 30 percent chance of showers before 11pm. Snow level 3300 feet lowering to 2400 feet after midnight . Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 58.
Sunday Night
Rain. Mostly cloudy, with a low around 41.
Monday
Rain likely. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Cascade Locks OR
 45.81°N 121.91°W (Elev. 1010 ft)
3:41 am PDT Apr 14, 2026
4am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

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