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

Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Overcast

34°F

1°C

Humidity 100%
Wind Speed N 16 G 20 mph
Barometer 29.87 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 2 Dec 10:35 pm CST
Extended Forecast for

Lebanon SD

  • Tonight

    Tonight: A slight chance of snow and freezing rain before 11pm. Mostly cloudy, with a low around 4. Blustery, with a north wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 4 °F

    Blustery.
    Slight Chance
    Wintry Mix
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny and cold, with a temperature rising to near 10 by noon, then falling to around 5 during the remainder of the day. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 10 °F⇓

    Cold

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -5. Wind chill values as low as -18. West northwest wind 5 to 13 mph becoming south after midnight.

    Low: -5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31. South wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19. West wind around 11 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 10. West northwest wind 7 to 10 mph becoming east after midnight.

    Low: 10 °F

    Cloudy

  • Saturday

    Saturday: A chance of snow. Cloudy, with a high near 19. East wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 19 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Cloudy, with a low around 1. East northeast wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 1 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of snow and freezing rain before 11pm. Mostly cloudy, with a low around 4. Blustery, with a north wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny and cold, with a temperature rising to near 10 by noon, then falling to around 5 during the remainder of the day. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around -5. Wind chill values as low as -18. West northwest wind 5 to 13 mph becoming south after midnight.
Thursday
Partly sunny, with a high near 31. South wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 19. West wind around 11 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 31. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Friday Night
Cloudy, with a low around 10. West northwest wind 7 to 10 mph becoming east after midnight.
Saturday
A chance of snow. Cloudy, with a high near 19. East wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Cloudy, with a low around 1. East northeast wind 9 to 11 mph. Chance of precipitation is 30%.
Sunday
A slight chance of snow before noon. Mostly cloudy, with a high near 18. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
A slight chance of snow. Partly sunny, with a high near 32. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
A slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon SD
 45.07°N 99.78°W (Elev. 1955 ft)
Last Update:
10:36 pm CST Dec 2, 2025
Forecast Valid:
10pm CST Dec 2, 2025-6pm CST Dec 9, 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