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

Chelan WA

Flood Watch December 9, 02:37pm until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 02:37pm until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • This Afternoon

    High: 50 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 40. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain before 10am, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 57. West wind around 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 45. Southwest wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain. Partly sunny, with a high near 54. West wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a high near 50. Calm wind.
Tonight
Rain, mainly before 4am. Low around 40. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain before 10am, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 57. West wind around 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 45. Southwest wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 50 percent chance of rain. Partly sunny, with a high near 54. West wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
Mostly cloudy, with a high near 52.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 38.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 50.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Monday
Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chelan WA
 47.84°N 120.01°W (Elev. 1207 ft)
Last Update:
2:18 pm PST Dec 9, 2025
Forecast Valid:
2pm PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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