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

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

45°F

7°C

Humidity 100%
Wind Speed W 6 mph
Barometer 30.03 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 7 Oct 3:35 am CDT
Extended Forecast for

Seneca SD

  • Overnight

    Overnight: Partly cloudy, with a low around 45. West northwest wind around 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. West wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. North northwest wind 5 to 9 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Southeast wind 7 to 9 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 76. South southeast wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Southwest wind 13 to 17 mph becoming north after midnight.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 45. West northwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 73. West wind 6 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 44. North northwest wind 5 to 9 mph.
Thursday
Mostly sunny, with a high near 67. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 47. Southeast wind 7 to 9 mph.
Friday
Sunny, with a high near 76. South southeast wind 7 to 16 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 59. Southeast wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south wind 14 to 20 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 54. Southwest wind 13 to 17 mph becoming north after midnight.
Sunday
Partly sunny, with a high near 64. Breezy.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 20%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seneca SD
 45.08°N 99.48°W (Elev. 1877 ft)
Last Update:
3:21 am CDT Oct 7, 2026
Forecast Valid:
3am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation