Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Ortonville, Ortonville Muncipal-Martinson Field Airport (KVVV)

Lat: 45.31° N Lon: 96.42° W Elev: 1099 ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed E 5 mph
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 5 Sep 12:35 am CDT
Detailed forecast for

Big Stone County

Rest Of Tonight
Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the mid 60s. East winds 5 to 10 mph with gusts up to 20 mph.
Saturday
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. A slight chance of thunderstorms. Humid with highs in the mid 80s. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
Saturday Night
Mostly clear in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
Sunday
Mostly cloudy with showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Southeast winds 10 to 15 mph. Chance of rain 70 percent.
Sunday Night
Mostly cloudy. A chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
Labor Day
Showers likely in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.
Monday Night
Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Breezy with lows in the upper 60s. Chance of rain 70 percent.
Tuesday
Mostly cloudy with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
Tuesday Night And Wednesday
Mostly clear. Lows in the lower 60s. Highs in the upper 70s.
Wednesday Night And Thursday
Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Thursday Night
Partly cloudy with a 20 percent chance of showers. Lows in the mid 50s.
Friday
Partly sunny. Highs in the lower 80s.



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1211 AM CDT Sat Sep 5 2026
 
 

Additional Resources

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