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

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 >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Light Snow Haze

14°F

-10°C

Humidity 79%
Wind Speed NE 12 mph
Barometer 30.30 in
Dewpoint 9°F (-13°C)
Visibility 5.00 mi
Wind Chill0°F (-18°C)
Last update 3 Dec 12:15 pm CST
Extended Forecast for

Lebanon SD

  • This Afternoon

    This Afternoon: Partly sunny and cold, with a steady temperature around 8. Northwest wind 6 to 13 mph.

    High: 8 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a low around -3. Northwest wind 5 to 14 mph becoming south in the evening. Winds could gust as high as 22 mph.

    Low: -3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30. South wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 33. West wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 33 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. West northwest wind 7 to 10 mph becoming east northeast after midnight.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 19. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 19 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 2. East northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 2 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 16. East wind around 9 mph becoming south in the afternoon.

    High: 16 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny and cold, with a steady temperature around 8. Northwest wind 6 to 13 mph.
Tonight
Mostly cloudy, with a low around -3. Northwest wind 5 to 14 mph becoming south in the evening. Winds could gust as high as 22 mph.
Thursday
Partly sunny, with a high near 30. South wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 21. West wind around 11 mph, with gusts as high as 21 mph.
Friday
Mostly cloudy, with a high near 33. West wind 10 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 11. West northwest wind 7 to 10 mph becoming east northeast after midnight.
Saturday
A chance of snow. Mostly cloudy, with a high near 19. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 2. East northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 16. East wind around 9 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon SD
 45.07°N 99.78°W (Elev. 1955 ft)
Last Update:
12:36 pm CST Dec 3, 2025
Forecast Valid:
12pm CST Dec 3, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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