Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

MANSON (MASW)

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

NA

45°F

7°C

Humidity 60%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 09 Dec 02:00 AM PST
Extended Forecast for

14 Miles WNW Chelan WA

Flood Watch December 9, 02:33am until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 02:33am until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Overnight

    Low: 34 °F

    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of rain before 3pm, then a slight chance of rain and snow between 3pm and 4pm, then rain likely after 4pm.  Mostly cloudy, with a high near 41. West wind 6 to 11 mph becoming light and variable  in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Partly Sunny
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after midnight.  Temperature falling to near 32 by 8pm, then rising to around 40 during the remainder of the night. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow
    then Rain

  • Wednesday

    Wednesday: Rain.  High near 47. West wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 39. West wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

    High: 45 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am, then a slight chance of rain between 1am and 4am.  Mostly cloudy, with a low around 36. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A 20 percent chance of rain after 10am.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Rain, possibly mixed with snow. Low around 34. West wind around 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
A slight chance of rain before 3pm, then a slight chance of rain and snow between 3pm and 4pm, then rain likely after 4pm. Mostly cloudy, with a high near 41. West wind 6 to 11 mph becoming light and variable in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after midnight. Temperature falling to near 32 by 8pm, then rising to around 40 during the remainder of the night. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday
Rain. High near 47. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Rain. Low around 39. West wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow before 1am, then a slight chance of rain between 1am and 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 46.
Friday Night
A 20 percent chance of rain before 4am. Mostly cloudy, with a low around 36.
Saturday
A chance of rain and snow, mainly after 4pm. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 50%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Monday
Rain and snow. High near 42. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Chelan WA
 47.96°N 120.3°W (Elev. 2707 ft)
1:26 am PST Dec 9, 2025
2am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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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