National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

MANSON (MASW)

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

NA

43°F

6°C

Humidity 68%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 09 Dec 02:00 PM PST
Extended Forecast for

15 Miles WNW Chelan WA

Flood Watch December 9, 03:26pm until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 03:26pm until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • This Afternoon

    High: 29 °F

    Heavy Snow

  • Tonight

    Tonight: Snow before 2am, then rain, possibly mixed with snow. The snow could be heavy at times. Temperature rising to around 38 by 5am. West wind 6 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 29 °F⇑

    Heavy Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain before 1pm, then rain, possibly mixed with snow. High near 39. Windy, with a west wind 24 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Windy. Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixed with snow before 7pm, then rain between 7pm and 1am, then snow, possibly mixed with rain after 1am. Low around 31. Windy, with a west wind 24 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow and
    Windy

  • Thursday

    Thursday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 34. West wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 35. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

Detailed Forecast

This Afternoon
Snow, mainly after 4pm. The snow could be heavy at times. High near 29. Southwest wind around 6 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow before 2am, then rain, possibly mixed with snow. The snow could be heavy at times. Temperature rising to around 38 by 5am. West wind 6 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday
Rain before 1pm, then rain, possibly mixed with snow. High near 39. Windy, with a west wind 24 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, possibly mixed with snow before 7pm, then rain between 7pm and 1am, then snow, possibly mixed with rain after 1am. Low around 31. Windy, with a west wind 24 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 34. West wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 30. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 35. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 29.
Saturday
A 20 percent chance of snow after 10am. Partly sunny, with a high near 30.
Saturday Night
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 29.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28.
Monday
Snow. High near 31. Chance of precipitation is 80%.
Monday Night
Snow. Low around 29. Chance of precipitation is 80%.
Tuesday
Snow likely. Mostly cloudy, with a high near 31. Breezy. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WNW Chelan WA
 47.91°N 120.35°W (Elev. 6234 ft)
Last Update:
3:08 pm PST Dec 9, 2025
Forecast Valid:
3pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation