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

55°F

13°C

Humidity 72%
Wind Speed NE 6 mph
Barometer 30.06 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 20 Jun 12:35 am CDT
Extended Forecast for

Gettysburg SD

  • Overnight

    Overnight: Partly cloudy, with a low around 46. North northeast wind around 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. East southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 10pm. Cloudy, with a low around 51. East southeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 66. East wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 48. North northeast wind 7 to 11 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 73. Northeast wind 7 to 10 mph becoming south southeast in the afternoon.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. South southeast wind 8 to 10 mph becoming west northwest after midnight. Chance of precipitation is 60%.

    Low: 50 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 28 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. North northeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 77. East southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Showers likely, mainly after 10pm. Cloudy, with a low around 51. East southeast wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 3pm. High near 66. East wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 48. North northeast wind 7 to 11 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 73. Northeast wind 7 to 10 mph becoming south southeast in the afternoon.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. South southeast wind 8 to 10 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 47. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 28 mph.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. 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%.
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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:
12:36 am CDT Jun 20, 2026
Forecast Valid:
12am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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