National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Light Rain

39°F

4°C

Humidity 96%
Wind Speed N 5 mph
Barometer 29.94 in (1011.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Oct 3:53 am MDT
Extended Forecast for

Hill City SD

  • Overnight

    Overnight: Occasional showers and possibly a thunderstorm. Patchy fog. Steady temperature around 40. Calm wind. Chance of precipitation is 80%.

    Low: 40 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly before 11am. Patchy fog before noon. Otherwise, cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Chance Rain
    and Patchy
    Fog then
    Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 49. Light and variable wind.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 40. Light and variable wind. Winds could gust as high as 17 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 53. North wind 7 to 15 mph, with gusts as high as 33 mph.

    High: 53 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Clear, with a low around 29.

    Low: 29 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

Detailed Forecast

Overnight
Occasional showers and possibly a thunderstorm. Patchy fog. Steady temperature around 40. Calm wind. Chance of precipitation is 80%.
Tuesday
A 50 percent chance of rain, mainly before 11am. Patchy fog before noon. Otherwise, cloudy, with a high near 50. Calm wind.
Tuesday Night
Cloudy, with a low around 34. Calm wind.
Wednesday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 49. Light and variable wind.
Wednesday Night
Rain. Low around 40. Light and variable wind. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 53. North wind 7 to 15 mph, with gusts as high as 33 mph.
Thursday Night
Clear, with a low around 29.
Friday
Sunny, with a high near 60.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
Last Update:
4:36 am MDT Oct 13, 2026
Forecast Valid:
4am MDT Oct 13, 2026-6pm MDT Oct 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation