Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast with Haze

29°F

-2°C

Humidity 45%
Wind Speed E 9 mph
Barometer 29.91 in (1019.5 mb)
Dewpoint 10°F (-12°C)
Visibility 3.00 mi
Wind Chill21°F (-6°C)
Last update 16 Mar 2:53 pm MDT
Extended Forecast for

6 Miles NNW Keystone SD

  • Tonight

    Tonight: A slight chance of freezing rain between midnight and 3am, then a chance of rain.  Mostly cloudy, with a temperature falling to near 25 by 9pm, then rising to around 35 during the remainder of the night. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Rain/Freezing
    Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Northwest wind 8 to 17 mph, with gusts as high as 40 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Northwest wind 9 to 14 mph becoming light west  after midnight. Winds could gust as high as 36 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. West wind 3 to 8 mph. Winds could gust as high as 30 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. West wind 3 to 5 mph. Winds could gust as high as 22 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. West wind 3 to 7 mph. Winds could gust as high as 25 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. West wind around 6 mph, with gusts as high as 17 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. Northwest wind 6 to 9 mph, with gusts as high as 29 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of freezing rain between midnight and 3am, then a chance of rain. Mostly cloudy, with a temperature falling to near 25 by 9pm, then rising to around 35 during the remainder of the night. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 60. Northwest wind 8 to 17 mph, with gusts as high as 40 mph.
Tuesday Night
Partly cloudy, with a low around 38. Northwest wind 9 to 14 mph becoming light west after midnight. Winds could gust as high as 36 mph.
Wednesday
Mostly sunny, with a high near 71. West wind 3 to 8 mph. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 40. West wind 3 to 5 mph. Winds could gust as high as 22 mph.
Thursday
Mostly sunny, with a high near 76. West wind 3 to 7 mph. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 45. West wind around 6 mph, with gusts as high as 17 mph.
Friday
Mostly sunny, with a high near 75. Northwest wind 6 to 9 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
12:46 pm MDT Mar 16, 2026
3pm MDT Mar 16, 2026-6pm MDT Mar 23, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database