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

Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

Lat: 45.55°NLon: 100.41°WElev: 1713ft.

Fair

1°F

-17°C

Humidity 79%
Wind Speed SE 20 mph
Barometer 30.37 in (1033.1 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-21°F (-29°C)
Last update 31 Jan 2:52 am CST
Extended Forecast for

Eureka SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 1. Wind chill values as low as -19. South wind 15 to 17 mph.

    Low: 1 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow, mainly between 9am and 2pm. The snow could be heavy at times. Patchy blowing snow between 10am and 5pm. High near 34. Wind chill values as low as -20. Breezy, with a south wind 15 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: A chance of snow, mainly before 8pm. Patchy blowing snow after 11pm. Mostly cloudy, with a temperature rising to around 31 by 10pm. Blustery, with a west wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 25 °F⇑

    Chance Snow
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: Patchy blowing snow before 2pm. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 33 °F

    Patchy
    Blowing Snow
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Northwest wind 6 to 8 mph becoming east southeast after midnight.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow after noon. Mostly cloudy, with a high near 24. Southeast wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 9. East wind 8 to 10 mph. Chance of precipitation is 40%.

    Low: 9 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow before noon. Mostly cloudy, with a high near 22. East northeast wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 22 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11. West wind 6 to 10 mph.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 1. Wind chill values as low as -19. South wind 15 to 17 mph.
Saturday
Snow, mainly between 9am and 2pm. The snow could be heavy at times. Patchy blowing snow between 10am and 5pm. High near 34. Wind chill values as low as -20. Breezy, with a south wind 15 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A chance of snow, mainly before 8pm. Patchy blowing snow after 11pm. Mostly cloudy, with a temperature rising to around 31 by 10pm. Blustery, with a west wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday
Patchy blowing snow before 2pm. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 13. Northwest wind 6 to 8 mph becoming east southeast after midnight.
Monday
A slight chance of snow after noon. Mostly cloudy, with a high near 24. Southeast wind 9 to 11 mph. Chance of precipitation is 20%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 9. East wind 8 to 10 mph. Chance of precipitation is 40%.
Tuesday
A slight chance of snow before noon. Mostly cloudy, with a high near 22. East northeast wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 11. West wind 6 to 10 mph.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Patchy blowing snow. Mostly sunny, with a high near 41. Breezy.
Thursday Night
Mostly cloudy, with a low around 20. Blustery.
Friday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka SD
 45.76°N 99.63°W (Elev. 1883 ft)
Last Update:
2:36 am CST Jan 31, 2026
Forecast Valid:
3am CST Jan 31, 2026-6pm CST Feb 6, 2026
 
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