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

DEE FLAT (DEFO)

Lat: 45.58639°NLon: 121.64056°WElev: 1260.0ft.

NA

49°F

9°C

Humidity 61%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 13 Apr 07:15 PM PDT
Extended Forecast for

8 Miles E Cascade Locks OR

  • Tonight

    Tonight: A chance of showers before 10pm, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 43. Windy, with a west wind 17 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers and
    Windy

  • Tuesday

    Tuesday: Rain, mainly after noon.  High near 52. Windy, with a west wind 18 to 24 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Windy. Chance
    Showers then
    Rain

  • Tuesday Night

    Tuesday Night: Rain before 5am, then rain, possibly mixed with snow.  Low around 41. Windy, with a west southwest wind 20 to 25 mph, with gusts as high as 39 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 41 °F

    Windy. Rain
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow showers, becoming all rain after 8am.  Snow level 2100 feet. High near 49. Windy, with a west wind 16 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow and
    Breezy then
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Showers, mainly before 11pm.  Snow level 2300 feet lowering to 1400 feet after midnight . Low around 37. Windy, with a west wind 16 to 24 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers and
    Windy then
    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 40 percent chance of showers, mainly after 11am.  Snow level 1400 feet rising to 2600 feet in the afternoon. Partly sunny, with a high near 51. Windy.

    High: 51 °F

    Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Windy.

    Low: 37 °F

    Partly Cloudy
    and Windy
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 43. Windy, with a west wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Tuesday
Rain, mainly after noon. High near 52. Windy, with a west wind 18 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. 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 41. Windy, with a west southwest wind 20 to 25 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. Snow level 2100 feet. High near 49. Windy, with a west wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. 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. Windy, with a west wind 16 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of showers, mainly after 11am. Snow level 1400 feet rising to 2600 feet in the afternoon. Partly sunny, with a high near 51. Windy.
Thursday Night
Partly cloudy, with a low around 37. Windy.
Friday
Mostly sunny, with a high near 57.
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 57. Breezy.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44. Breezy.
Monday
A chance of rain. Partly sunny, with a high near 58. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Cascade Locks OR
 45.71°N 121.7°W (Elev. 200 ft)
6:41 pm PDT Apr 13, 2026
7pm PDT Apr 13, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database