Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

37°F

3°C

Humidity	48%
Wind Speed	NW 9 mph
Barometer	29.95 in (1016.0 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	8 Dec 3:53 pm MST

More Information:

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

Extended Forecast for

4 Miles WSW Mount Rushmore SD

Tonight
Low: 30 °F⇑
Mostly Cloudy
then Slight
Chance Snow
and Breezy
Tuesday
High: 42 °F⇓
Chance
Rain/Snow and
Breezy
Tuesday Night
Low: 22 °F
Partly Cloudy
and Windy
Wednesday
High: 37 °F
Snow Likely
Wednesday Night
Low: 36 °F
Rain/Snow
Likely and
Breezy
Thursday
High: 36 °F⇓
Chance Snow
Thursday Night
Low: 10 °F
Snow Likely
Friday
High: 17 °F
Chance Snow
Friday Night
Low: 10 °F
Chance Snow

Detailed Forecast

Tonight

A 10 percent chance of snow after 5am. Mostly cloudy, then gradually becoming mostly clear, with a temperature rising to around 36 by 4am. Wind chill values as low as 19. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 36 mph.

Tuesday

A chance of rain and snow before 3pm, then a chance of snow. Mostly sunny, with a temperature rising to near 42 by noon, then falling to around 32 during the remainder of the day. Wind chill values as low as 18. Breezy, with a west wind 23 to 29 mph, with gusts as high as 46 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tuesday Night

Partly cloudy, with a low around 22. Wind chill values as low as 9. Windy, with a northwest wind 28 to 33 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 55 mph.

Wednesday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 37. Wind chill values as low as 12. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Wednesday Night

Rain and snow likely. Mostly cloudy, with a steady temperature around 36. Breezy, with a west wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

A 50 percent chance of snow. Mostly cloudy, with a temperature rising to near 36 by 11am, then falling to around 31 during the remainder of the day. West wind 9 to 14 mph, with gusts as high as 24 mph. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 10. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Friday

A chance of snow. Mostly cloudy, with a high near 17. West wind 5 to 7 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.

Friday Night

A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 10.

Saturday

Partly sunny, with a high near 28.

Saturday Night

Mostly cloudy, with a low around 15.

Sunday

Mostly sunny, with a high near 40.

Sunday Night

Partly cloudy, with a low around 24.