Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

34°F

1°C

Humidity	61%
Wind Speed	NW 8 G 20 mph
Barometer	30.09 in (1020.9 mb)
Dewpoint	22°F (-6°C)
Visibility	10.00 mi
Wind Chill	27°F (-3°C)
Last update	29 Jan 11:53 am MST

More Information:

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

Extended Forecast for

5 Miles WSW Mount Rushmore SD

This Afternoon
High: 30 °F⇓
Chance Snow
Tonight
Low: 17 °F
Slight Chance
Snow
Friday
High: 24 °F
Chance Snow
Friday Night
Low: 15 °F⇑
Slight Chance
Snow
Saturday
High: 40 °F
Chance Snow
Saturday Night
Low: 26 °F
Mostly Clear
Sunday
High: 41 °F
Mostly Sunny
Sunday Night
Low: 24 °F
Mostly Cloudy
Monday
High: 43 °F
Partly Sunny

Detailed Forecast

This Afternoon

A 50 percent chance of snow. Mostly cloudy, with a temperature falling to around 26 by 5pm. Wind chill values as low as 17. Northwest wind 8 to 10 mph, with gusts as high as 28 mph. Total daytime snow accumulation of less than a half inch possible.

Tonight

A 20 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind 6 to 9 mph.

Friday

A 40 percent chance of snow. Mostly cloudy, with a high near 24. Wind chill values as low as 11. Northwest wind around 6 mph becoming west in the afternoon. Winds could gust as high as 16 mph. New snow accumulation of less than one inch possible.

Friday Night

A 20 percent chance of snow after 11pm. Increasing clouds, with a temperature falling to near 15 by 9pm, then rising to around 27 during the remainder of the night. Wind chill values as low as 4. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

Saturday

A 40 percent chance of snow, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 40. Northwest wind 10 to 14 mph, with gusts as high as 32 mph. Little or no snow accumulation expected.

Saturday Night

Mostly clear, with a low around 26. Northwest wind around 16 mph, with gusts as high as 30 mph.

Sunday

Mostly sunny, with a high near 41. Northwest wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 23 mph.

Sunday Night

Mostly cloudy, with a low around 24. West wind 5 to 9 mph, with gusts as high as 16 mph.

Monday

Partly sunny, with a high near 43.

Monday Night

Partly cloudy, with a low around 24.

Tuesday

A slight chance of snow. Mostly sunny, with a high near 34.