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 >

Hazardous Weather Conditions

Current conditions at

Canby Airfield (KCNB)

Lat: 44.73°NLon: 96.27°WElev: 1194ft.

Fair

71°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 13 Aug 1:35 am CDT
Extended Forecast for

Clear Lake SD

  • Overnight

    Overnight: Showers likely.  Cloudy, with a low around 62. East northeast wind around 8 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 10am.  Mostly cloudy, with a high near 75. Northeast wind 7 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. East wind 6 to 10 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm.  Mostly cloudy, with a high near 75. East wind 9 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am.  Cloudy, with a low around 63. East southeast wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 79. Southwest wind 5 to 8 mph becoming northwest in the afternoon.  Chance of precipitation is 20%.

    High: 79 °F

    Cloudy then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. North northwest wind 6 to 8 mph.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. North wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. North northeast wind 5 to 8 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 62. East northeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 75. Northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 60. East wind 6 to 10 mph.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 75. East wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Cloudy, with a low around 63. East southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 60. North northwest wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 75. North wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 56. North northeast wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Clear Lake SD
 44.76°N 96.69°W (Elev. 1795 ft)
1:31 am CDT Aug 13, 2026
1am CDT Aug 13, 2026-6pm CDT Aug 19, 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