Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed SE 9 mph
Barometer 29.89 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 12 Aug 12:55 pm CDT
Extended Forecast for

3 Miles NNE Gettysburg SD

  • This Afternoon

    This Afternoon: A slight chance of showers after 5pm.  Mostly cloudy, with a high near 82. East wind 5 to 7 mph.  Chance of precipitation is 10%.

    High: 82 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers.  Patchy smoke after 2am. Cloudy, with a low around 58. Northeast wind 10 to 13 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 9am.  Patchy smoke before 11am. Mostly cloudy, with a high near 76. East wind 11 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Increasing clouds, with a low around 57. East wind 14 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 75. East wind around 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 57. South southeast wind 9 to 14 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 1pm.  Mostly cloudy, with a high near 75. North northwest wind 11 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am.  Partly cloudy, with a low around 54. North northeast wind 8 to 10 mph.  Chance of precipitation is 20%.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Northeast wind 6 to 8 mph.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers after 5pm. Mostly cloudy, with a high near 82. East wind 5 to 7 mph. Chance of precipitation is 10%.
Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers. Patchy smoke after 2am. Cloudy, with a low around 58. Northeast wind 10 to 13 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, mainly before 9am. Patchy smoke before 11am. Mostly cloudy, with a high near 76. East wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 57. East wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. East wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 57. South southeast wind 9 to 14 mph becoming north northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Saturday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 75. North northwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 54. North northeast wind 8 to 10 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 75. Northeast wind 6 to 8 mph.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 80.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 40%.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Gettysburg SD
 45.05°N 99.93°W (Elev. 2100 ft)
12:36 pm CDT Aug 12, 2026
1pm CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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Additional Resources

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