Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

25°F

-4°C

Humidity	78%
Wind Speed	Calm
Barometer	30.00 in (1019.7 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Last update	7 Dec 7:53 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: 27 °F
Decreasing
Clouds
Monday
High: 37 °F
Increasing
Clouds
Monday Night
Low: 29 °F⇑
Mostly Cloudy
then Mostly
Cloudy and
Breezy
Tuesday
High: 42 °F⇓
Chance
Rain/Snow and
Breezy
Tuesday Night
Low: 24 °F
Chance Snow
and Blustery
Wednesday
High: 34 °F
Snow Likely
Wednesday Night
Low: 23 °F
Snow Likely
and Blustery
Thursday
High: 27 °F
Chance Snow
Thursday Night
Low: 7 °F
Chance Snow

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 27. Wind chill values as low as 13. West wind 13 to 16 mph, with gusts as high as 24 mph.

Monday

Increasing clouds, with a high near 37. Wind chill values as low as 19. Northwest wind 10 to 14 mph, with gusts as high as 29 mph.

Monday Night

Mostly cloudy, with a temperature falling to near 29 by 8pm, then rising to around 36 during the remainder of the night. Wind chill values as low as 18. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 33 mph.

Tuesday

A chance of rain and snow between 11am and 2pm, then a chance of snow after 2pm. Mostly sunny, with a temperature rising to near 42 by 11am, then falling to around 34 during the remainder of the day. Breezy, with a west wind 21 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tuesday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24. Blustery, with a northwest wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 44 mph.

Wednesday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 34. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Wednesday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

Thursday

A chance of snow. Partly sunny, with a high near 27. Northwest wind 7 to 14 mph, with gusts as high as 25 mph.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 7.

Friday

A chance of snow. Mostly cloudy, with a high near 15.

Friday Night

A slight chance of snow. Mostly cloudy, with a low around 6.

Saturday

Partly sunny, with a high near 30.

Saturday Night

Partly cloudy, with a low around 16.