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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Light Rain Fog/Mist

47°F

8°C

Humidity 93%
Wind Speed N 10 G 17 mph
Barometer 29.80 in (1009.6 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 12 Oct 9:52 am CDT
Extended Forecast for

Eureka SD

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 51. North wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Cloudy, with a low around 38. Northwest wind 14 to 16 mph.

    Low: 38 °F

    Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 2pm and 4pm. Mostly cloudy, with a high near 52. Northwest wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Patchy frost after 3am. Otherwise, partly cloudy, with a low around 32. North northwest wind 3 to 8 mph.

    Low: 32 °F

    Partly Cloudy
    then Patchy
    Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 58. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 58 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. Light and variable wind becoming southeast around 5 mph in the evening. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 58. Windy, with a northwest wind 6 to 16 mph increasing to 22 to 32 mph. Winds could gust as high as 40 mph.

    High: 58 °F

    Partly Sunny
    then Mostly
    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Windy, with a north northwest wind 21 to 31 mph, with gusts as high as 45 mph.

    Low: 32 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 54. North northwest wind 10 to 13 mph becoming southwest in the afternoon.

    High: 54 °F

    Sunny

Detailed Forecast

Columbus Day
A chance of showers, mainly before 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 51. North wind 10 to 14 mph. Chance of precipitation is 30%.
Tonight
Cloudy, with a low around 38. Northwest wind 14 to 16 mph.
Tuesday
A slight chance of showers between 2pm and 4pm. Mostly cloudy, with a high near 52. Northwest wind 9 to 11 mph. Chance of precipitation is 20%.
Tuesday Night
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 32. North northwest wind 3 to 8 mph.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 58. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. Light and variable wind becoming southeast around 5 mph in the evening. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 58. Windy, with a northwest wind 6 to 16 mph increasing to 22 to 32 mph. Winds could gust as high as 40 mph.
Thursday Night
Mostly clear, with a low around 32. Windy, with a north northwest wind 21 to 31 mph, with gusts as high as 45 mph.
Friday
Sunny, with a high near 54. North northwest wind 10 to 13 mph becoming southwest in the afternoon.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 65. Breezy.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 69.
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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:
10:16 am CDT Oct 12, 2026
Forecast Valid:
10am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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