Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. 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

30°F

-1°C

Humidity	45%
Wind Speed	E 10 mph
Barometer	30.00 in (1018.4 mb)
Dewpoint	11°F (-12°C)
Visibility	10.00 mi
Wind Chill	21°F (-6°C)
Last update	31 Mar 5:53 pm MDT

More Information:

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

Extended Forecast for

4 Miles SW Mount Rushmore SD

Tonight
Low: 22 °F⇑
Chance Snow
Wednesday
High: 38 °F
Snow then
Rain/Snow
Wednesday Night
Low: 27 °F
Snow then
Chance Snow
Thursday
High: 48 °F
Mostly Cloudy
then Rain
Likely
Thursday Night
Low: 24 °F
Rain/Snow
then Snow
Friday
High: 28 °F
Snow
Friday Night
Low: 20 °F
Snow Likely
then Chance
Snow
Saturday
High: 43 °F
Slight Chance
Snow then
Sunny
Saturday Night
Low: 28 °F
Mostly Clear

Detailed Forecast

Tonight

A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around 28 by 10pm. Wind chill values as low as 10. South wind around 11 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Snow before 1pm, then snow, possibly mixed with rain. High near 38. Wind chill values as low as 17. South wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Wednesday Night

Snow, mainly before midnight. Low around 27. Northeast wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday

Rain likely after noon. Partly sunny, with a high near 48. Light southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

Thursday Night

Snow, possibly mixed with rain, becoming all snow after 9pm. Low around 24. Southeast wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. Steady temperature around 28. West wind 8 to 10 mph becoming north in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 20. Northwest wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

Saturday

A slight chance of snow before noon. Sunny, with a high near 43. Northwest wind 9 to 14 mph, with gusts as high as 29 mph.

Saturday Night

Mostly clear, with a low around 28.

Sunday

Sunny, with a high near 55.

Sunday Night

Partly cloudy, with a low around 34.

Monday

Mostly sunny, with a high near 54.

Monday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 30.