Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Ortonville, Ortonville Muncipal-Martinson Field Airport (KVVV)

Lat: 45.31°NLon: 96.42°WElev: 1099ft.

Fair

72°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	29.86 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	12 Aug 2:15 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Big Stone City SD

Overnight
Low: 62 °F
Mostly Cloudy
Wednesday
High: 80 °F
Mostly Sunny
Wednesday Night
Low: 61 °F
T-storms
Likely
Thursday
High: 77 °F
Decreasing
Clouds
Thursday Night
Low: 59 °F
Mostly Cloudy
Friday
High: 76 °F
Mostly Cloudy
then Slight
Chance
Showers
Friday Night
Low: 61 °F
Chance
T-storms
Saturday
High: 75 °F
Slight Chance
T-storms
Saturday Night
Low: 57 °F
Mostly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 62. Calm wind.

Wednesday

Mostly sunny, with a high near 80. Calm wind becoming east southeast around 5 mph in the afternoon.

Wednesday Night

Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 61. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Cloudy, then gradually becoming mostly sunny, with a high near 77. North wind 5 to 9 mph.

Thursday Night

Mostly cloudy, with a low around 59. East northeast wind around 7 mph.

Friday

A slight chance of showers after 1pm. Partly sunny, with a high near 76. East southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. Southeast wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Saturday

A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 75. Southeast wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

Saturday Night

Mostly cloudy, with a low around 57. North northwest wind 5 to 7 mph.

Sunday

Mostly sunny, with a high near 73.

Sunday Night

Mostly clear, with a low around 55.

Monday

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 40%.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 30%.