Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

31°F

-1°C

Humidity 85%
Wind Speed W 5 mph
Barometer 29.77 in (1006.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 15 Apr 4:53 am MDT
Extended Forecast for

2 Miles E Hill City SD

  • Today

    Today: Sunny, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southwest wind 3 to 6 mph. Winds could gust as high as 24 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Showers likely after noon.  Increasing clouds, with a high near 67. West wind 6 to 10 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%.

    High: 67 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm.  Low around 25. North wind around 7 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Friday

    Friday: Snow showers likely.  Mostly cloudy, with a high near 37. North wind 6 to 11 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Northwest wind 5 to 9 mph, with gusts as high as 29 mph.

    Low: 21 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow showers, mainly after noon.  Mostly sunny, with a high near 44. Northwest wind 5 to 11 mph, with gusts as high as 33 mph.

    High: 44 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Northwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 26 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 47. Southwest wind 3 to 6 mph. Winds could gust as high as 24 mph.
Thursday
Showers likely after noon. Increasing clouds, with a high near 67. West wind 6 to 10 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Thursday Night
Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Low around 25. North wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely. Mostly cloudy, with a high near 37. North wind 6 to 11 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Northwest wind 5 to 9 mph, with gusts as high as 29 mph.
Saturday
A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 44. Northwest wind 5 to 11 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 27. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Hill City SD
 43.93°N 103.53°W (Elev. 5000 ft)
3:51 am MDT Apr 15, 2026
5am MDT Apr 15, 2026-6pm MDT Apr 21, 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