Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Hazardous Weather Conditions

Current conditions at

Olivia Regional Airport (KOVL)

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

79°F

26°C

Humidity 79%
Wind Speed SE 5 mph
Barometer 29.77 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 3 Sep 9:04 pm CDT
Detailed forecast for

Renville County

Rest Of Tonight
Clear. Lows in the upper 60s. South winds up to 5 mph.
Friday
Sunny. Highs around 90. Northeast winds up to 5 mph.
Friday Night
Mostly clear. Lows in the upper 60s. East winds up to 10 mph.
Saturday
Mostly sunny. Highs in the upper 80s. East winds 5 to 10 mph.
Saturday Night
Partly cloudy with chance of showers. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of showers 50 percent.
Sunday
Partly sunny with chance of showers. Highs in the mid 80s. Chance of showers 50 percent.
Sunday Night
Increasing clouds. A 50 percent chance of thunderstorms. Lows in the upper 60s.
Labor Day
Showers likely in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 70 percent.
Monday Night
Mostly cloudy. Chance of showers in the evening, then showers likely and chance of thunderstorms after midnight. Lows in the upper 60s. Chance of precipitation 70 percent.
Tuesday
Partly sunny. Chance of showers in the morning. Highs in the lower 80s. Chance of showers 40 percent.
Tuesday Night
Partly cloudy. Lows in the lower 60s.
Wednesday
Mostly sunny. Highs in the lower 80s.
Wednesday Night
Mostly clear. Lows in the upper 50s.
Thursday
Mostly sunny. Highs in the mid 70s.



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828 PM CDT Thu Sep 3 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database