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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

54°F

12°C

Humidity 55%
Wind Speed W 5 mph
Barometer 29.81 in (1003.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 10 Oct 11:53 pm MDT
Extended Forecast for

Hill City SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 46. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 46 °F

    Chance Rain

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 64. Calm wind becoming west around 5 mph. Winds could gust as high as 18 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after midnight. Increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 54. Light southeast wind. Winds could gust as high as 15 mph.

    High: 54 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after noon. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Calm wind.
Sunday
Partly sunny, with a high near 65. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46. Light and variable wind. Winds could gust as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 64. Calm wind becoming west around 5 mph. Winds could gust as high as 18 mph.
Monday Night
A 40 percent chance of rain, mainly after midnight. Increasing clouds, with a low around 41. Calm wind.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 54. Light southeast wind. Winds could gust as high as 15 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Wednesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 51.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 39.
Thursday
A chance of rain before noon. Partly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.59°W (Elev. 5200 ft)
Last Update:
11:31 pm MDT Oct 10, 2026
Forecast Valid:
12am MDT Oct 11, 2026-6pm MDT Oct 17, 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