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	72%
Wind Speed	S 3 mph
Barometer	29.98 in (1018.6 mb)
Dewpoint	17°F (-8°C)
Visibility	10.00 mi
Last update	7 Dec 9:53 pm MST

More Information:

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

Extended Forecast for

Mount Rushmore SD

Tonight
Low: 29 °F⇑
Partly Cloudy
Monday
High: 44 °F
Mostly Sunny
Monday Night
Low: 35 °F⇑
Mostly Cloudy
Tuesday
High: 50 °F⇓
Chance Rain
then Chance
Rain/Snow and
Breezy
Tuesday Night
Low: 30 °F
Chance Snow
and Blustery
Wednesday
High: 40 °F
Snow Likely
then
Rain/Snow
Likely
Wednesday Night
Low: 28 °F
Rain/Snow
Likely then
Chance Snow
Thursday
High: 33 °F
Chance Snow
Thursday Night
Low: 12 °F
Chance Snow

Detailed Forecast

Tonight

Partly cloudy, with a temperature rising to around 35 by 4am. Wind chill values as low as 20. West wind around 6 mph, with gusts as high as 18 mph.

Monday

Mostly sunny, with a high near 44. West wind 5 to 7 mph, with gusts as high as 21 mph.

Monday Night

Mostly cloudy, with a temperature falling to near 35 by 8pm, then rising to around 41 during the remainder of the night. West wind 7 to 16 mph, with gusts as high as 31 mph.

Tuesday

A chance of rain between 11am and 4pm, then a chance of snow after 4pm. Mostly sunny, with a temperature rising to near 50 by noon, then falling to around 39 during the remainder of the day. Breezy, with a west wind 17 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.

Tuesday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 43 mph.

Wednesday

Snow likely before 3pm, then rain and snow likely. Mostly cloudy, with a high near 40. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain and snow likely before midnight, then a chance of snow. Mostly cloudy, with a low around 28. Northwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Thursday

A chance of snow. Partly sunny, with a high near 33. North wind 3 to 6 mph. Winds could gust as high as 20 mph.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 12.

Friday

A chance of snow. Mostly cloudy, with a high near 20.

Friday Night

A slight chance of snow. Mostly cloudy, with a low around 10.

Saturday

Partly sunny, with a high near 35.

Saturday Night

Partly cloudy, with a low around 21.