Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

36°F

2°C

Humidity 52%
Wind Speed NW 3 mph
Barometer 29.86 in (1010.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 14 Apr 7:53 am MDT
Extended Forecast for

4 Miles E Hill City SD

  • Today

    Today: A 20 percent chance of showers after 2pm.  Mostly cloudy, with a high near 57. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Southwest wind 3 to 7 mph. Winds could gust as high as 23 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers after noon.  Mostly sunny, with a high near 67. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 1am, then rain and snow showers between 1am and 2am, then snow showers after 2am.  Low around 27. North wind around 8 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Showers then
    Rain/Snow

  • Friday

    Friday: Snow showers.  High near 36. North wind 7 to 13 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%.

    High: 36 °F

    Snow Showers

  • Friday Night

    Friday Night: A chance of snow showers before midnight.  Mostly cloudy, with a low around 22. Northwest wind 6 to 11 mph, with gusts as high as 33 mph.

    Low: 22 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers, mainly after noon.  Mostly sunny, with a high near 41.

    High: 41 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 57. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Calm wind.
Wednesday
Mostly sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 45. Southwest wind 3 to 7 mph. Winds could gust as high as 23 mph.
Thursday
A 50 percent chance of showers after noon. Mostly sunny, with a high near 67. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.
Thursday Night
Rain showers before 1am, then rain and snow showers between 1am and 2am, then snow showers after 2am. Low around 27. North wind around 8 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. High near 36. North wind 7 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Friday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 22. Northwest wind 6 to 11 mph, with gusts as high as 33 mph.
Saturday
A chance of snow showers, mainly after noon. Mostly sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hill City SD
 43.93°N 103.5°W (Elev. 5197 ft)
8:31 am MDT Apr 14, 2026
8am MDT Apr 14, 2026-6pm MDT Apr 20, 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