Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Overcast

18°F

-8°C

Humidity 65%
Wind Speed N 5 mph
Barometer 30.20 in (1025.9 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 28 Jan 5:52 am CST
Extended Forecast for

Eureka SD

  • Today

    Today: A chance of flurries before 9am.  Mostly cloudy, with a high near 16. Calm wind becoming north northeast around 6 mph in the morning.

    High: 16 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly cloudy, with a low around 2. East northeast wind around 6 mph becoming southeast after midnight.

    Low: 2 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow between 11am and noon.  Partly sunny, with a high near 16. Light and variable wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 16 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -9. Wind chill values as low as -23. East northeast wind 7 to 9 mph.

    Low: -9 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 5. East wind around 9 mph.

    High: 5 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -8. South wind 8 to 15 mph.

    Low: -8 °F

    Mostly Clear

  • Saturday

    Saturday: Snow likely, mainly after noon.  Partly sunny, with a high near 24. South wind 15 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    High: 24 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of snow, mainly before midnight.  Mostly cloudy, with a low around 16. South wind around 15 mph becoming west northwest after midnight.  Chance of precipitation is 40%.

    Low: 16 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 31. Northwest wind 9 to 15 mph.

    High: 31 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of flurries before 9am. Mostly cloudy, with a high near 16. Calm wind becoming north northeast around 6 mph in the morning.
Tonight
Mostly cloudy, with a low around 2. East northeast wind around 6 mph becoming southeast after midnight.
Thursday
A slight chance of snow between 11am and noon. Partly sunny, with a high near 16. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around -9. Wind chill values as low as -23. East northeast wind 7 to 9 mph.
Friday
Sunny and cold, with a high near 5. East wind around 9 mph.
Friday Night
Mostly clear, with a low around -8. South wind 8 to 15 mph.
Saturday
Snow likely, mainly after noon. Partly sunny, with a high near 24. South wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 16. South wind around 15 mph becoming west northwest after midnight. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 31. Northwest wind 9 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Mostly cloudy, with a high near 25.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A slight chance of snow. Partly sunny, with a high near 30. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka SD
 45.76°N 99.63°W (Elev. 1883 ft)
6:16 am CST Jan 28, 2026
6am CST Jan 28, 2026-6pm CST Feb 3, 2026
 
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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