Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed E 9 mph
Barometer 30.00 in
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 14 Aug 4:35 am CDT
Extended Forecast for

Highmore SD

  • Today

    Today: Cloudy through mid morning, then becoming mostly sunny, with a high near 75. East wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 62. Southeast wind 8 to 13 mph.  Chance of precipitation is 30%.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly between 7am and 9am.  Cloudy through mid morning, then gradual clearing, with a high near 77. Northwest wind 7 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%.

    High: 77 °F

    Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. North northwest wind 9 to 14 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. North northwest wind around 9 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Northeast wind 6 to 8 mph becoming south after midnight.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 81. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 60. South wind 8 to 10 mph.  Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 78. Southeast wind 8 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Cloudy through mid morning, then becoming mostly sunny, with a high near 75. East wind 6 to 16 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 62. Southeast wind 8 to 13 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms, mainly between 7am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 77. Northwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 56. North northwest wind 9 to 14 mph.
Sunday
Sunny, with a high near 76. North northwest wind around 9 mph.
Sunday Night
Mostly clear, with a low around 56. Northeast wind 6 to 8 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 81. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. South wind 8 to 10 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Southeast wind 8 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 73.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
A slight chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Highmore SD
 44.55°N 99.45°W (Elev. 1837 ft)
4:37 am CDT Aug 14, 2026
4am CDT Aug 14, 2026-6pm CDT Aug 20, 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