Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

34°F

1°C

Humidity	46%
Wind Speed	SW 5 mph
Barometer	29.89 in (1014.0 mb)
Dewpoint	15°F (-9°C)
Visibility	10.00 mi
Wind Chill	29°F (-2°C)
Last update	10 Dec 11:53 am MST

More Information:

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

Extended Forecast for

Mount Rushmore SD

This Afternoon
High: 47 °F
Chance
Rain/Snow
Tonight
Low: 39 °F⇑
Chance Rain
Thursday
High: 54 °F⇓
Slight Chance
Rain then
Rain Likely
Thursday Night
Low: 25 °F
Rain/Snow
Likely then
Chance Snow
Friday
High: 29 °F⇓
Snow Likely
Friday Night
Low: 18 °F
Chance Snow
Saturday
High: 29 °F
Chance Snow
Saturday Night
Low: 16 °F
Partly Cloudy
Sunday
High: 53 °F
Sunny

Detailed Forecast

This Afternoon

A chance of snow before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 47. West wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.

Tonight

A 40 percent chance of rain before 2am. Mostly cloudy, with a temperature rising to around 47 by 3am. West wind around 10 mph, with gusts as high as 26 mph.

Thursday

Rain likely, mainly after 5pm. Mostly sunny, with a temperature rising to near 54 by 11am, then falling to around 43 during the remainder of the day. Northwest wind 7 to 11 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

Thursday Night

Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 25. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow likely. Mostly cloudy, with a temperature falling to around 21 by 5pm. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 18. Calm wind.

Saturday

A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 29. Calm wind.

Saturday Night

Partly cloudy, with a low around 16. Calm wind becoming southwest around 5 mph after midnight.

Sunday

Sunny, with a high near 53.

Sunday Night

Mostly clear, with a low around 34.

Monday

Sunny, with a high near 52.