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

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 >

Hazardous Weather Conditions

Current conditions at

Leavenworth (LVN11)

Lat: 47.59119°NLon: 120.67132°WElev: 1190.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 08 Dec 05:00 PM PST
Extended Forecast for

6 Miles NNE Plain WA

Flood Watch December 8, 06:14pm until December 11, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 8, 06:14pm until December 11, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • Tonight

    Low: 30 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: A chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 33. Breezy, with a west wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Chance Snow
    and Breezy
    then Heavy
    Snow

  • Tuesday Night

    Tuesday Night: Snow before 10pm, then rain and snow between 10pm and 1am, then rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 38 by 4am. West wind 5 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 31 °F⇑

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 10am, then rain, possibly mixed with snow. High near 38. West wind around 14 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. Low around 34. West wind around 14 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow. High near 36. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain and snow, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 30. Breezy, with a west wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
A chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 33. Breezy, with a west wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow before 10pm, then rain and snow between 10pm and 1am, then rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 38 by 4am. West wind 5 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Rain before 10am, then rain, possibly mixed with snow. High near 38. West wind around 14 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow. Low around 34. West wind around 14 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow. High near 36. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Friday Night
A slight chance of rain and snow before 7pm, then a slight chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Saturday
A chance of rain before 4pm, then a chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Sunday
Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Plain WA
 47.85°N 120.61°W (Elev. 4639 ft)
Last Update:
3:17 pm PST Dec 8, 2025
Forecast Valid:
6pm PST Dec 8, 2025-6pm PST Dec 15, 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