Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

26°F

-3°C

Humidity	81%
Wind Speed	SE 8 mph
Barometer	29.81 in (1012.9 mb)
Dewpoint	21°F (-6°C)
Visibility	10.00 mi
Wind Chill	18°F (-8°C)
Last update	10 Mar 11:53 am MDT

More Information:

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

Extended Forecast for

Keystone SD

This Afternoon
High: 43 °F
Snow
Tonight
Low: 21 °F
Snow then
Chance Snow
Wednesday
High: 41 °F
Mostly Sunny
Wednesday Night
Low: 27 °F
Partly Cloudy
Thursday
High: 60 °F
Partly Sunny
then Slight
Chance Rain
and Breezy
Thursday Night
Low: 27 °F
Rain/Snow
Likely then
Snow Likely
Friday
High: 53 °F
Chance Snow
then Chance
Rain
Friday Night
Low: 33 °F
Chance
Rain/Snow
then Chance
Snow
Saturday
High: 50 °F
Rain/Snow
Likely

Detailed Forecast

This Afternoon

Snow. High near 43. Light and variable wind becoming south around 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow, mainly before midnight. Low around 21. Northeast wind around 6 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Mostly sunny, with a high near 41. Wind chill values as low as 17. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 31 mph.

Wednesday Night

Partly cloudy, with a low around 27. West wind 5 to 9 mph, with gusts as high as 23 mph.

Thursday

A 20 percent chance of rain after noon. Partly sunny, with a high near 60. Breezy, with a west wind 10 to 20 mph, with gusts as high as 48 mph.

Thursday Night

Rain likely before 8pm, then snow likely. Mostly cloudy, with a low around 27. Northwest wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

A chance of snow before noon, then a chance of rain. Mostly cloudy, with a high near 53. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

Friday Night

A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 33. North wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 18 mph.

Saturday

Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 50.

Saturday Night

Snow. Mostly cloudy, with a low around 16.

Sunday

A chance of snow. Partly sunny, with a high near 30.

Sunday Night

Partly cloudy, with a low around 15.

Monday

A slight chance of snow. Partly sunny, with a high near 41.