Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

MANSON (MASW)

Lat: 47.91694°NLon: 120.12444°WElev: 1972.0ft.

NA

47°F

8°C

Humidity 68%
Wind Speed NW 7 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 11 Dec 05:00 AM PST
Extended Forecast for

Chelan WA

  • Today

    Today: Partly sunny, with a high near 56. West wind 5 to 9 mph becoming light  in the afternoon.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Partly Sunny

  • Saturday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain.  Partly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Monday

    Monday: Rain, mainly after 10am.  High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 56. West wind 5 to 9 mph becoming light in the afternoon.
Tonight
Mostly cloudy, with a low around 40. Calm wind.
Friday
Partly sunny, with a high near 52. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 39. Calm wind.
Saturday
Partly sunny, with a high near 49. Calm wind.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 50.
Sunday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 40.
Monday
Rain, mainly after 10am. High near 51. Chance of precipitation is 80%.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Tuesday
Rain likely. Snow level 3700 feet. Partly sunny, with a high near 49. Chance of precipitation is 60%.
Tuesday Night
Rain and snow likely. Snow level 3300 feet lowering to 2700 feet after midnight . Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Wednesday
Rain and snow likely. Snow level 2500 feet. Partly sunny, with a high near 46. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chelan WA
 47.84°N 120.01°W (Elev. 1207 ft)
3:47 am PST Dec 11, 2025
6am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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