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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. Read More >

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Fair

28°F

-2°C

Humidity 88%
Wind Speed Calm
Barometer 29.94 in (1016.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 31 Dec 9:52 am CST
Extended Forecast for

Eureka SD

  • Today

    Today: A chance of flurries before 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a temperature falling to around 12 by 5pm. North northeast wind 8 to 15 mph.

    High: 26 °F⇓

    Chance
    Flurries and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. Northeast wind 6 to 8 mph becoming south southeast in the evening.

    Low: 5 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 22. South southeast wind 7 to 9 mph becoming northwest in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10. North wind 5 to 7 mph.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 19. North northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 19 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. South southeast wind around 8 mph.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 22. East southeast wind 8 to 10 mph.

    High: 22 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 13. East southeast wind around 11 mph.

    Low: 13 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29. East southeast wind around 11 mph becoming west northwest in the afternoon.

    High: 29 °F

    Partly Sunny

Detailed Forecast

Today
A chance of flurries before 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a temperature falling to around 12 by 5pm. North northeast wind 8 to 15 mph.
Tonight
Mostly cloudy, with a low around 5. Northeast wind 6 to 8 mph becoming south southeast in the evening.
New Year's Day
Mostly sunny, with a high near 22. South southeast wind 7 to 9 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 10. North wind 5 to 7 mph.
Friday
Mostly cloudy, with a high near 19. North northeast wind 5 to 7 mph becoming southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 11. South southeast wind around 8 mph.
Saturday
Partly sunny, with a high near 22. East southeast wind 8 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 13. East southeast wind around 11 mph.
Sunday
Partly sunny, with a high near 29. East southeast wind around 11 mph becoming west northwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 32.
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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:
7:47 am CST Dec 31, 2025
Forecast Valid:
10am CST Dec 31, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation