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

Olivia Regional Airport (KOVL)

Lat: 44.78° N Lon: 95.03° W Elev: 1079 ft.

68°F

20°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Aug 8:55 pm CDT
Detailed forecast for

Renville County

Tonight
Decreasing clouds. Lows in the lower 60s. East winds up to 10 mph.
Friday
Mostly cloudy. A 40 percent chance of showers in the afternoon. Highs in the upper 70s. East winds 10 to 15 mph.
Friday Night
Cloudy. Lows in the mid 60s. East winds 5 to 15 mph.
Saturday
Mostly cloudy. Highs in the upper 70s. Southeast winds up to 5 mph shifting to the west around 5 mph in the afternoon.
Saturday Night
Mostly cloudy. Lows in the lower 60s. Northwest winds up to 10 mph.
Sunday
Mostly sunny. Highs in the upper 70s.
Sunday Night
Mostly clear. Lows in the mid 50s.
Monday
Sunny. Highs in the upper 70s.
Monday Night
Increasing clouds. Chance of showers. Lows around 60. Chance of showers 40 percent.
Tuesday
Partly sunny. Chance of showers in the morning, then chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 40 percent.
Tuesday Night
Mostly cloudy with a 50 percent chance of thunderstorms. Lows in the upper 50s.
Wednesday
Partly sunny. Chance of rain showers in the morning. Highs in the mid 70s. Chance of showers 40 percent.
Wednesday Night
Partly cloudy. Lows in the mid 50s.
Thursday
Mostly sunny. Highs in the mid 70s.



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752 PM CDT Thu Aug 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database