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.

Partly Cloudy

66°F

19°C

Humidity 68%
Wind Speed SE 12 mph
Barometer 29.88 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 9:15 pm CDT
Extended Forecast for

Gettysburg SD

  • Tonight

    Tonight: Showers, mainly after 1am. Low around 52. East wind 9 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 65. East wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 48. East northeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. East northeast wind 7 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 51. South southeast wind 8 to 11 mph becoming west southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    T-storms then
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 72. Breezy, with a west northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Breezy, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 29 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. North northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. North wind 6 to 10 mph becoming east northeast after midnight.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 1am. Low around 52. East wind 9 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 3pm. High near 65. East wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 48. East northeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. East northeast wind 7 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 51. South southeast wind 8 to 11 mph becoming west southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 72. Breezy, with a west northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 47. Breezy, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 29 mph.
Wednesday
Mostly sunny, with a high near 72. North northwest wind around 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 47. North wind 6 to 10 mph becoming east northeast after midnight.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Breezy. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Breezy. Chance of precipitation is 40%.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gettysburg SD
 45.01°N 99.96°W (Elev. 2057 ft)
Last Update:
9:36 pm CDT Jun 20, 2026
Forecast Valid:
9pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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