Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

29°F

-2°C

Humidity 41%
Wind Speed NW 6 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 12 Jan 12:53 am MST
Extended Forecast for

8 Miles NW Edgemont SD

  • Overnight

    Overnight: Partly cloudy, with a low around 24. Wind chill values as low as 17. Northwest wind around 7 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. Wind chill values as low as 16 early. West wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Northwest wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 9am, then a chance of rain.  Partly sunny, with a high near 53. Breezy, with a northwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 45 mph.  Chance of precipitation is 30%.

    High: 53 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 30. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 34 mph.

    Low: 30 °F

    Slight Chance
    Rain and
    Blustery then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. Northwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 26 mph.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 48. Windy, with a northwest wind 22 to 27 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 48 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Windy.

    Low: 21 °F

    Partly Cloudy
    and Windy

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Wind chill values as low as 17. Northwest wind around 7 mph.
Monday
Mostly sunny, with a high near 54. Wind chill values as low as 16 early. West wind 8 to 13 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 33. Northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of snow before 9am, then a chance of rain. Partly sunny, with a high near 53. Breezy, with a northwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 48. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 28. Northwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 48. Windy, with a northwest wind 22 to 27 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 50 mph.
Thursday Night
Partly cloudy, with a low around 21. Windy.
Friday
Partly sunny, with a high near 34. Windy.
Friday Night
Mostly cloudy, with a low around 18. Blustery.
Saturday
Mostly sunny, with a high near 40. Breezy.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Edgemont SD
 43.4°N 103.93°W (Elev. 3599 ft)
1:16 am MST Jan 12, 2026
1am MST Jan 12, 2026-6pm MST Jan 18, 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