Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Olivia Regional Airport (KOVL)

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

61°F

16°C

Humidity 83%
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Aug 1:35 am CDT
Detailed forecast for

Renville County

Rest Of Tonight
Clear. Near steady temperature in the upper 50s. South winds around 5 mph.
Thursday
Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 5 to 15 mph.
Thursday Night
Partly cloudy. Lows around 60. West winds 5 to 10 mph.
Friday
Sunny. Highs around 80. Northwest winds 5 to 15 mph.
Friday Night
Mostly clear. Lows in the upper 50s. Northwest winds up to 10 mph.
Saturday
Sunny. Highs in the upper 70s.
Saturday Night
Mostly clear. Lows in the lower 50s.
Sunday
Mostly sunny. Highs in the upper 70s.
Sunday Night
Increasing clouds. Lows in the upper 50s.
Monday
Partly sunny. Highs around 80.
Monday Night
Partly cloudy. Chance of showers after midnight. Lows in the lower 60s. Chance of showers 30 percent.
Tuesday
Mostly sunny. Highs in the lower 80s.
Tuesday Night
Partly cloudy. Lows around 60.
Wednesday
Mostly sunny. Highs around 80.



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127 AM CDT Thu Aug 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database