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.

Overcast

61°F

16°C

Humidity 100%
Wind Speed S 13 mph
Barometer 29.70 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 14 Sep 12:55 pm CDT
Extended Forecast for

Gettysburg SD

  • This Afternoon

    This Afternoon: A slight chance of showers before 2pm. Cloudy early, then gradual clearing, with a high near 71. Breezy, with a south wind 17 to 21 mph becoming west northwest. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 48. Breezy, with a west wind 15 to 21 mph, with gusts as high as 32 mph.

    Low: 48 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 69. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Light and variable wind becoming east southeast 8 to 13 mph in the evening.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm. Partly sunny, with a high near 70. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. Southeast wind 8 to 10 mph becoming northeast after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 72. East northeast wind 10 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. East southeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 74. East wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers before 2pm. Cloudy early, then gradual clearing, with a high near 71. Breezy, with a south wind 17 to 21 mph becoming west northwest. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 48. Breezy, with a west wind 15 to 21 mph, with gusts as high as 32 mph.
Tuesday
Sunny, with a high near 69. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 50. Light and variable wind becoming east southeast 8 to 13 mph in the evening.
Wednesday
A chance of showers before 1pm. Partly sunny, with a high near 70. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 51. Southeast wind 8 to 10 mph becoming northeast after midnight.
Thursday
A chance of showers. Partly sunny, with a high near 72. East northeast wind 10 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. East southeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 74. East wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Saturday
A slight chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 20%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 72. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gettysburg SD
 44.98°N 99.96°W (Elev. 2057 ft)
Last Update:
12:51 pm CDT Sep 14, 2026
Forecast Valid:
1pm CDT Sep 14, 2026-6pm CDT Sep 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation