Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

26°F

-3°C

Humidity	57%
Wind Speed	W 3 mph
Barometer	30.09 in (1023.0 mb)
Dewpoint	13°F (-11°C)
Visibility	10.00 mi
Last update	28 Jan 7:53 am MST

More Information:

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

Extended Forecast for

3 Miles NNE Keystone SD

Today
High: 43 °F
Partly Sunny
Tonight
Low: 24 °F
Chance Snow
Thursday
High: 37 °F
Chance Snow
Thursday Night
Low: 18 °F
Chance Snow
Friday
High: 27 °F
Chance Snow
Friday Night
Low: 17 °F⇑
Slight Chance
Snow
Saturday
High: 43 °F
Chance
Rain/Snow
Saturday Night
Low: 28 °F
Partly Cloudy
Sunday
High: 46 °F
Mostly Sunny

Detailed Forecast

Today

Partly sunny, with a high near 43. Light and variable wind.

Tonight

A 30 percent chance of snow after 11pm. Cloudy, with a low around 24. Light and variable wind.

Thursday

A 50 percent chance of snow. Mostly cloudy, with a high near 37. Wind chill values as low as 19. Northwest wind 5 to 9 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.

Thursday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 18. Calm wind. New snow accumulation of less than a half inch possible.

Friday

A 50 percent chance of snow. Mostly cloudy, with a high near 27. Calm wind becoming east around 6 mph. Winds could gust as high as 16 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a temperature falling to near 17 by 9pm, then rising to around 28 during the remainder of the night. Calm wind becoming southwest around 6 mph in the evening. Winds could gust as high as 16 mph.

Saturday

A chance of snow before 10am, then a chance of rain and snow. Partly sunny, with a high near 43. Northwest wind 6 to 10 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

Saturday Night

Partly cloudy, with a low around 28. Northwest wind 6 to 8 mph, with gusts as high as 25 mph.

Sunday

Mostly sunny, with a high near 46.

Sunday Night

Partly cloudy, with a low around 27.

Monday

Partly sunny, with a high near 47.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 29.

Tuesday

A slight chance of snow. Partly sunny, with a high near 40.