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

Ortonville, Ortonville Muncipal-Martinson Field Airport (KVVV)

Lat: 45.31°NLon: 96.42°WElev: 1099ft.

Fair

0°F

-18°C

Humidity 78%
Wind Speed Calm
Barometer 30.39 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 3 Dec 7:15 pm CST
Extended Forecast for

7 Miles NW Big Stone City SD

  • Tonight

    Tonight: Partly cloudy, with a low around -10. Wind chill values as low as -19. Calm wind becoming south southeast around 5 mph after midnight.

    Low: -10 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 27. Wind chill values as low as -19. South southeast wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a steady temperature around 24. Southwest wind 5 to 9 mph becoming light west after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow. Mostly cloudy, with a high near 30. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. Northwest wind around 6 mph.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow, mainly after noon. Mostly cloudy, with a high near 16. North wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 16 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -11. North northwest wind 3 to 8 mph.

    Low: -11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny and cold, with a high near 5. Light and variable wind becoming south southeast around 6 mph in the afternoon.

    High: 5 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -2. South southeast wind around 6 mph.

    Low: -2 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around -10. Wind chill values as low as -19. Calm wind becoming south southeast around 5 mph after midnight.
Thursday
Partly sunny, with a high near 27. Wind chill values as low as -19. South southeast wind 7 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a steady temperature around 24. Southwest wind 5 to 9 mph becoming light west after midnight.
Friday
A slight chance of snow. Mostly cloudy, with a high near 30. West wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 9. Northwest wind around 6 mph.
Saturday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 16. North wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around -11. North northwest wind 3 to 8 mph.
Sunday
Partly sunny and cold, with a high near 5. Light and variable wind becoming south southeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around -2. South southeast wind around 6 mph.
Monday
A slight chance of snow after noon. Partly sunny, with a high near 30. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 26. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Big Stone City SD
 45.38°N 96.55°W (Elev. 965 ft)
Last Update:
6:36 pm CST Dec 3, 2025
Forecast Valid:
7pm CST Dec 3, 2025-6pm CST Dec 10, 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