Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

5°F

-15°C

Humidity	63%
Wind Speed	S 13 mph
Barometer	30.42 in (1035.2 mb)
Dewpoint	-5°F (-21°C)
Visibility	NA
Wind Chill	-12°F (-24°C)
Last update	31 Jan 8:56 am CST

More Information:

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

Extended Forecast for

Grenville SD

Today
High: 25 °F
Mostly Sunny
then Snow and
Patchy
Blowing Snow
Tonight
Low: 20 °F⇑
Snow and
Patchy
Blowing Snow
Sunday
High: 31 °F⇓
Slight Chance
Snow and
Patchy
Blowing Snow
Sunday Night
Low: 9 °F
Mostly Cloudy
Monday
High: 19 °F
Mostly Cloudy
Monday Night
Low: 7 °F
Chance Snow
Tuesday
High: 18 °F
Slight Chance
Snow then
Partly Sunny
Tuesday Night
Low: 8 °F
Mostly Cloudy
Wednesday
High: 27 °F
Partly Sunny

Detailed Forecast

Today

Snow, mainly after 2pm. Patchy blowing snow after 4pm. High near 25. Wind chill values as low as -18. Breezy, with a south wind 13 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow, mainly before 2am. Patchy blowing snow before 11pm, then patchy blowing snow after 4am. Temperature rising to around 29 by 5am. Breezy, with a south southwest wind 15 to 23 mph becoming west after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Sunday

A slight chance of snow before 7am. Patchy blowing snow before 2pm. Mostly cloudy, with a temperature falling to around 25 by 5pm. Northwest wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Sunday Night

Mostly cloudy, with a low around 9. Northwest wind 6 to 10 mph becoming east northeast after midnight.

Monday

Mostly cloudy, with a high near 19. East wind 6 to 8 mph.

Monday Night

A chance of snow, mainly before midnight. Mostly cloudy, with a low around 7. East wind around 9 mph. Chance of precipitation is 30%.

Tuesday

A slight chance of snow before noon. Partly sunny, with a high near 18. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly cloudy, with a low around 8. North wind 6 to 8 mph becoming west in the evening.

Wednesday

Partly sunny, with a high near 27. West wind 8 to 10 mph.