Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Current conditions at

Ortonville, Ortonville Muncipal-Martinson Field Airport (KVVV)

Lat: 45.31°NLon: 96.42°WElev: 1099ft.

Fog

63°F

17°C

Humidity	100%
Wind Speed	Calm
Barometer	30.18 in
Dewpoint	63°F (17°C)
Visibility	0.50 mi
Last update	20 Aug 7:35 am CDT

More Information:

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

Extended Forecast for

Marvin SD

Today
High: 78 °F
Areas Fog
then Sunny
Tonight
Low: 64 °F
Mostly Clear
Thursday
High: 85 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 63 °F
T-storms
Likely
Friday
High: 74 °F
Chance
T-storms then
Slight Chance
Showers
Friday Night
Low: 54 °F
Clear
Saturday
High: 66 °F
Sunny
Saturday Night
Low: 49 °F
Mostly Clear
Sunday
High: 63 °F
Sunny

Detailed Forecast

Today

Areas of fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 78. Light and variable wind.

Tonight

Mostly clear, with a low around 64. Calm wind.

Thursday

A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 85. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Thursday Night

Showers and thunderstorms likely, mainly between 7pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. South southeast wind around 8 mph becoming northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 74. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Friday Night

Clear, with a low around 54. Northwest wind around 10 mph.

Saturday

Sunny, with a high near 66. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.

Saturday Night

Mostly clear, with a low around 49. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

Sunday

Sunny, with a high near 63. North northwest wind 10 to 14 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 46.

Monday

Sunny, with a high near 64.