Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Overcast

32°F

0°C

Humidity 80%
Wind Speed S 5 mph
Barometer 29.98 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 3 Dec 12:35 pm EST
Extended Forecast for

2 Miles ENE Palmyra NY

Winter Weather Advisory December 4, 05:00am until December 4, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 36. Southwest wind 8 to 10 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of snow showers after 2am.  Cloudy, with a low around 24. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Cloudy then
    Chance Snow
    Showers

  • Thursday

    Thursday: Snow showers likely, mainly between 10am and 3pm, then snow after 3pm.  Patchy blowing snow between noon and 2pm. Temperature falling to around 21 by 5pm. Breezy, with a west wind 14 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before 9pm.  Mostly cloudy, with a low around 10. Northwest wind 6 to 11 mph becoming light and variable  in the evening.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 10 °F

    Snow Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. South wind 6 to 9 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. South wind 3 to 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers after 1pm.  Mostly cloudy, with a high near 36. South wind 5 to 8 mph.  Chance of precipitation is 30%.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Cloudy, with a low around 26. West wind 5 to 7 mph.

    Low: 26 °F

    Cloudy

  • Sunday

    Sunday: A chance of snow showers after 1pm.  Mostly cloudy, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Cloudy then
    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 36. Southwest wind 8 to 10 mph.
Tonight
A chance of snow showers after 2am. Cloudy, with a low around 24. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely, mainly between 10am and 3pm, then snow after 3pm. Patchy blowing snow between noon and 2pm. Temperature falling to around 21 by 5pm. Breezy, with a west wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers likely, mainly before 9pm. Mostly cloudy, with a low around 10. Northwest wind 6 to 11 mph becoming light and variable in the evening. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Mostly sunny, with a high near 29. South wind 6 to 9 mph.
Friday Night
Mostly cloudy, with a low around 18. South wind 3 to 5 mph.
Saturday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 36. South wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Cloudy, with a low around 26. West wind 5 to 7 mph.
Sunday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Monday
A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Palmyra NY
 43.08°N 77.19°W (Elev. 499 ft)
12:36 pm EST Dec 3, 2025
12pm EST Dec 3, 2025-6pm EST Dec 9, 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