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 >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Overcast

20°F

-7°C

Humidity	85%
Wind Speed	S 3 mph
Barometer	30.28 in (1030.3 mb)
Dewpoint	16°F (-9°C)
Visibility	9.00 mi
Last update	30 Jan 3:53 pm MST

More Information:

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

Extended Forecast for

3 Miles NNE Keystone SD

This Afternoon
High: 19 °F
Snow Likely
Tonight
Low: 16 °F⇑
Chance Snow
then Slight
Chance Wintry
Mix
Saturday
High: 47 °F
Slight Chance
Rain/Snow
then Mostly
Sunny
Saturday Night
Low: 31 °F
Partly Cloudy
Sunday
High: 50 °F
Mostly Sunny
Sunday Night
Low: 33 °F
Mostly Cloudy
Monday
High: 49 °F
Mostly Sunny
Monday Night
Low: 30 °F
Partly Cloudy
Tuesday
High: 43 °F
Slight Chance
Snow

Detailed Forecast

This Afternoon

Snow likely, mainly before 5pm. Mostly cloudy, with a steady temperature around 19. Wind chill values as low as 12. Calm wind. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A chance of snow before 4am, then a slight chance of freezing rain between 4am and 5am, then a slight chance of snow and freezing rain after 5am. Mostly cloudy, with a temperature rising to around 33 by 5am. Wind chill values as low as 9. South wind around 7 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday

A slight chance of snow before 8am, then a slight chance of rain between 8am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 6 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 31. Northwest wind 6 to 9 mph, with gusts as high as 28 mph.

Sunday

Mostly sunny, with a high near 50. Northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 16 mph.

Sunday Night

Mostly cloudy, with a low around 33. Calm wind becoming west around 5 mph after midnight.

Monday

Mostly sunny, with a high near 49. Northwest wind 6 to 9 mph, with gusts as high as 26 mph.

Monday Night

Partly cloudy, with a low around 30. Northwest wind around 7 mph, with gusts as high as 21 mph.

Tuesday

A slight chance of snow after 11am. Mostly sunny, with a high near 43.