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

Saranac Lake, Adirondack Regional Airport (KSLK)

Lat: 44.39°NLon: 74.2°WElev: 1663ft.

A Few Clouds

-21°F

-29°C

Humidity 77%
Wind Speed Calm
Barometer 30.07 in (1024.1 mb)
Dewpoint -26°F (-32°C)
Visibility 10.00 mi
Last update 9 Dec 5:51 am EST
Extended Forecast for

Tupper Lake NY

  • Today

    Today: Partly sunny, with a high near 22. Wind chill values as low as -17. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 22 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of snow showers before 3am, then a slight chance of snow showers after 5am. Cloudy, with a low around 14. South wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow. High near 32. South wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Cloudy, with a low around 10. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 19. West wind 7 to 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4. West wind around 6 mph.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 19. West wind around 7 mph.

    High: 19 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 8. Light southwest wind.

    Low: 8 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow likely, mainly after 1pm. Mostly cloudy, with a high near 24. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 60%.

    High: 24 °F

    Snow Likely

Detailed Forecast

Today
Partly sunny, with a high near 22. Wind chill values as low as -17. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
A chance of snow showers before 3am, then a slight chance of snow showers after 5am. Cloudy, with a low around 14. South wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 32. South wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers likely, mainly before 1am. Cloudy, with a low around 10. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 19. West wind 7 to 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 4. West wind around 6 mph.
Friday
Partly sunny, with a high near 19. West wind around 7 mph.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 8. Light southwest wind.
Saturday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 24. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7. West wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 17. West wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around -4. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 13. Calm wind becoming west around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tupper Lake NY
 44.26°N 74.46°W (Elev. 1588 ft)
Last Update:
12:24 am EST Dec 9, 2025
Forecast Valid:
6am EST Dec 9, 2025-6pm EST 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