Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Light Snow

1°F

-17°C

Humidity	92%
Wind Speed	E 15 mph
Barometer	30.59 in
Dewpoint	0°F (-18°C)
Visibility	10.00 mi
Wind Chill	-18°F (-28°C)
Last update	30 Jan 8:35 am CST

More Information:

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

Extended Forecast for

Tolstoy SD

Today
High: 6 °F
Cold
Tonight
Low: -6 °F
Mostly Clear
Saturday
High: 32 °F
Chance Snow
and Breezy
then Snow and
Patchy
Blowing Snow
Saturday Night
Low: 21 °F
Chance Wintry
Mix then
Mostly Cloudy
and Blustery
Sunday
High: 33 °F
Partly Sunny
and Breezy
then Mostly
Cloudy
Sunday Night
Low: 13 °F
Mostly Cloudy
Monday
High: 29 °F
Mostly Cloudy
Monday Night
Low: 18 °F
Slight Chance
Snow
Tuesday
High: 32 °F
Chance Snow

Detailed Forecast

Today

Mostly sunny and cold, with a high near 6. Wind chill values as low as -18. Northeast wind 7 to 13 mph becoming east southeast in the afternoon.

Tonight

Mostly clear, with a low around -6. Wind chill values as low as -24. South wind 7 to 16 mph, with gusts as high as 24 mph.

Saturday

Snow, mainly after 10am. Patchy blowing snow between noon and 3pm. High near 32. Wind chill values as low as -22. Breezy, with a south wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Saturday Night

A chance of snow before 9pm, then a chance of freezing rain between 9pm and midnight. Mostly cloudy, with a low around 21. Blustery, with a south southwest wind 13 to 20 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 40%.

Sunday

Mostly cloudy, with a high near 33. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 29 mph.

Sunday Night

Mostly cloudy, with a low around 13. North northwest wind 6 to 9 mph becoming east southeast after midnight.

Monday

Mostly cloudy, with a high near 29. East southeast wind 10 to 13 mph.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 18. South wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 20%.

Tuesday

A chance of snow, mainly before noon. Mostly cloudy, with a high near 32. Northwest wind 14 to 16 mph. Chance of precipitation is 30%.

Tuesday Night

A slight chance of snow before midnight. Mostly cloudy, with a low around 16. Chance of precipitation is 20%.

Wednesday

Partly sunny, with a high near 27.

Wednesday Night

Mostly cloudy, with a low around 17.

Thursday

Mostly sunny, with a high near 43. Breezy.