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

Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Buffalo, Greater Buffalo International Airport (KBUF)

Lat: 42.94°NLon: 78.74°WElev: 709ft.

Mostly Cloudy

20°F

-7°C

Humidity 38%
Wind Speed Calm
Barometer 30.34 in (1028.7 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 8 Dec 12:54 pm EST
Extended Forecast for

Lancaster NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 22. Light and variable wind.

    High: 22 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 7. South wind around 5 mph becoming calm.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Snow showers, mainly between 1pm and 4pm. High near 35. South wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers

  • Tuesday Night

    Tuesday Night: Snow. Low around 28. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Rain and snow before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm. High near 40. Breezy, with a south wind 15 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow showers, possibly mixed with rain, becoming all snow after 10pm. Low around 20. Breezy, with a west wind 10 to 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 20 °F

    Rain/Snow and
    Breezy then
    Snow

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 28. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 28 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 15. West wind 6 to 9 mph. Chance of precipitation is 50%.

    Low: 15 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers. Partly sunny, with a high near 30. Chance of precipitation is 50%.

    High: 30 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 22. Light and variable wind.
Tonight
Partly cloudy, with a low around 7. South wind around 5 mph becoming calm.
Tuesday
Snow showers, mainly between 1pm and 4pm. High near 35. South wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow. Low around 28. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Rain and snow before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm. High near 40. Breezy, with a south wind 15 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Snow showers, possibly mixed with rain, becoming all snow after 10pm. Low around 20. Breezy, with a west wind 10 to 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 28. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 15. West wind 6 to 9 mph. Chance of precipitation is 50%.
Friday
A chance of snow showers. Partly sunny, with a high near 30. Chance of precipitation is 50%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster NY
 42.89°N 78.66°W (Elev. 689 ft)
Last Update:
12:36 pm EST Dec 8, 2025
Forecast Valid:
1pm EST Dec 8, 2025-6pm EST Dec 14, 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