Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Light Rain

58°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 30.15 in (1015.3 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 13 Aug 11:53 pm MDT
Extended Forecast for

2 Miles E Hill City SD

  • Overnight

    Overnight: Showers likely, mainly before 3am.  Patchy fog.  Otherwise, cloudy, with a steady temperature around 60. Calm wind.  Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Scattered showers before 9am.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 80. Calm wind becoming southwest around 6 mph. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Scattered
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 56. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 72. Light and variable wind. Winds could gust as high as 16 mph.  Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers.  Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Calm wind.  Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 75. Calm wind becoming south around 5 mph. Winds could gust as high as 18 mph.  Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 55.

    Low: 55 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82.

    High: 82 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely, mainly before 3am. Patchy fog. Otherwise, cloudy, with a steady temperature around 60. Calm wind. Chance of precipitation is 70%.
Friday
Scattered showers before 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming southwest around 6 mph. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 56. Light and variable wind. Winds could gust as high as 16 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Calm wind. Chance of precipitation is 50%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 75. Calm wind becoming south around 5 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 55.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 57.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Hill City SD
 43.93°N 103.53°W (Elev. 5000 ft)
12:31 am MDT Aug 14, 2026
12am MDT Aug 14, 2026-6pm MDT Aug 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database