Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Mostly Cloudy

68°F

20°C

Humidity 78%
Wind Speed E 13 mph
Barometer 29.92 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 1 Sep 10:36 pm CDT
Extended Forecast for

Gettysburg SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Northeast wind 8 to 10 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. East northeast wind 10 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 63. East southeast wind around 14 mph, with gusts as high as 23 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing and hot, with a high near 90. Southeast wind around 11 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 90 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. South wind 6 to 9 mph becoming east in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 92. East southeast wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 67. Southeast wind 11 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Sunny and hot, with a high near 91. South southeast wind around 11 mph, with gusts as high as 21 mph.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. East northeast wind 10 to 13 mph.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. Northeast wind 8 to 10 mph.
Wednesday
Mostly sunny, with a high near 83. East northeast wind 10 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Increasing clouds, with a low around 63. East southeast wind around 14 mph, with gusts as high as 23 mph.
Thursday
Cloudy through mid morning, then gradual clearing and hot, with a high near 90. Southeast wind around 11 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 63. South wind 6 to 9 mph becoming east in the evening.
Friday
Sunny and hot, with a high near 92. East southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday
Sunny and hot, with a high near 91. South southeast wind around 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 63. East northeast wind 10 to 13 mph.
Sunday
A slight chance of showers after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 20%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Gettysburg SD
 45.01°N 99.96°W (Elev. 2057 ft)
9:06 pm CDT Sep 1, 2026
10pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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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