Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

29°F

-2°C

Humidity	66%
Wind Speed	NW 9 G 22 mph
Barometer	30.01 in (1016.8 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	21°F (-6°C)
Last update	9 Dec 11:53 pm MST

More Information:

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

Extended Forecast for

10 Miles WSW Hill City SD

Overnight
Low: 19 °F
Partly Cloudy
Wednesday
High: 37 °F
Chance Snow
then Chance
Rain/Snow
Wednesday Night
Low: 33 °F⇑
Chance Rain
Thursday
High: 44 °F
Slight Chance
Rain then
Rain/Snow
Likely
Thursday Night
Low: 18 °F
Snow Likely
Friday
High: 24 °F
Snow Likely
Friday Night
Low: 10 °F
Chance Snow
Saturday
High: 23 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 11 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 19. Wind chill values as low as 6. Northwest wind 15 to 18 mph, with gusts as high as 41 mph.

Wednesday

A chance of snow before 3pm, then a chance of rain and snow between 3pm and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 37. Wind chill values as low as 8. Northwest wind 5 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

Wednesday Night

A 40 percent chance of rain. Mostly cloudy, with a temperature rising to around 38 by 5am. West wind 11 to 14 mph, with gusts as high as 32 mph.

Thursday

A slight chance of rain before 3pm, then rain likely, possibly mixed with snow. Mostly sunny, with a high near 44. West wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 18. Northwest wind 8 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Snow likely. Mostly cloudy, with a high near 24. Southwest wind around 6 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 10. Southwest wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 20 mph.

Saturday

A chance of snow before 11am. Partly sunny, with a high near 23. West wind 5 to 7 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 11.

Sunday

Mostly sunny, with a high near 41.

Sunday Night

Partly cloudy, with a low around 25.

Monday

Mostly sunny, with a high near 41.

Monday Night

Partly cloudy, with a low around 26.