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

Storm Moving from Western into Central U.S. through Wednesday

A storm system moving over the Rockies Wednesday will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Moderate snow is expected from northwestern Wyoming into southern Montana. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

42°F

6°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.15 in (1017.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 15 Oct 1:53 am MDT
Extended Forecast for

9 Miles W Hill City SD

Dense Fog Advisory October 15, 02:04am until October 15, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory October 15, 02:04am until October 15, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 41 °F

    Patchy
    Drizzle and
    Dense Fog

  • Wednesday

    Wednesday: Patchy drizzle with a chance of showers before noon, then a slight chance of showers after 3pm. Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 51. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Showers and
    Dense Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Patchy fog. Low around 40. Southeast wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 46. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 46 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of rain showers, mixing with snow after 8pm, then gradually ending. Partly cloudy, with a low around 31. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45. West wind 11 to 14 mph, with gusts as high as 29 mph.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Northwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: A chance of snow showers before noon. Mostly sunny, with a high near 37. Northwest wind 9 to 15 mph, with gusts as high as 32 mph.

    High: 37 °F

    Chance Snow
    Showers then
    Sunny

Detailed Forecast

Overnight
Patchy drizzle before 3am, then patchy drizzle with a slight chance of showers after 3am. Widespread dense fog. Otherwise, partly cloudy, with a low around 41. Southeast wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Patchy drizzle with a chance of showers before noon, then a slight chance of showers after 3pm. Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 51. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and possibly a thunderstorm. Patchy fog. Low around 40. Southeast wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Thursday
Showers likely. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 46. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Thursday Night
A slight chance of rain showers, mixing with snow after 8pm, then gradually ending. Partly cloudy, with a low around 31. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 45. West wind 11 to 14 mph, with gusts as high as 29 mph.
Friday Night
A slight chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Northwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Saturday
A chance of snow showers before noon. Mostly sunny, with a high near 37. Northwest wind 9 to 15 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 55.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 35.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 47.
Monday Night
A chance of snow showers. Partly cloudy, with a low around 27.
Tuesday
A slight chance of snow showers. Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W Hill City SD
 43.92°N 103.77°W (Elev. 6827 ft)
Last Update:
1:56 am MDT Oct 15, 2025
Forecast Valid:
2am MDT Oct 15, 2025-6pm MDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation