Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

36°F

2°C

Humidity 64%
Wind Speed SW 3 mph
Barometer 29.98 in (1016.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 1 Feb 8:53 pm MST
Extended Forecast for

Custer SD

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 35. Light and variable wind becoming northwest around 6 mph after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Northwest wind 9 to 17 mph, with gusts as high as 36 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Northwest wind 5 to 8 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 3pm, then a chance of snow after 3pm.  Partly sunny, with a high near 42. Northwest wind 5 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 22. Northwest wind 5 to 8 mph, with gusts as high as 23 mph.

    Low: 22 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Northwest wind 6 to 8 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Northwest wind 7 to 10 mph, with gusts as high as 28 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 35. Light and variable wind becoming northwest around 6 mph after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 48. Northwest wind 9 to 17 mph, with gusts as high as 36 mph.
Monday Night
Partly cloudy, with a low around 27. Northwest wind 5 to 8 mph, with gusts as high as 23 mph.
Tuesday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 3pm, then a chance of snow after 3pm. Partly sunny, with a high near 42. Northwest wind 5 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 22. Northwest wind 5 to 8 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 45. West wind 5 to 8 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 33. Northwest wind 6 to 8 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 57. Northwest wind 7 to 10 mph, with gusts as high as 28 mph.
Thursday Night
Clear, with a low around 30.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 31.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.76°N 103.6°W (Elev. 5417 ft)
8:47 pm MST Feb 1, 2026
9pm MST Feb 1, 2026-6pm MST Feb 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database