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

37°F

3°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.15 in (1019.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 15 Oct 12:53 am MDT
Extended Forecast for

Edgemont SD

Dense Fog Advisory October 15, 01:46am until October 15, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory October 15, 01:46am until October 15, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 47 °F

    Patchy
    Drizzle and
    Dense Fog

  • Wednesday

    Wednesday: Patchy drizzle with a chance of showers before 9am, then a chance of showers after 3pm. Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 59. East wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers and
    Dense Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 48. East wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 62. West wind 11 to 18 mph, with gusts as high as 31 mph.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 38. West wind 11 to 16 mph, with gusts as high as 29 mph.

    Low: 38 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 63 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 37. West wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Breezy, with a west wind 13 to 21 mph, with gusts as high as 34 mph.

    High: 57 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Overnight
Patchy drizzle before 3am, then patchy drizzle with a slight chance of showers after 3am. Widespread dense fog. Otherwise, cloudy, with a low around 47. East wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Patchy drizzle with a chance of showers before 9am, then a chance of showers after 3pm. Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 59. East wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 48. East wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 62. West wind 11 to 18 mph, with gusts as high as 31 mph.
Thursday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 38. West wind 11 to 16 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 63. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 37. West wind 11 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 57. Breezy, with a west wind 13 to 21 mph, with gusts as high as 34 mph.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 42.
Monday
A slight chance of showers. Mostly sunny, with a high near 66.
Monday Night
A chance of rain and snow showers. Partly cloudy, with a low around 35.
Tuesday
A chance of rain and snow showers. Mostly sunny, with a high near 55. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.29°N 103.83°W (Elev. 3589 ft)
Last Update:
1:21 am MDT Oct 15, 2025
Forecast Valid:
1am MDT Oct 15, 2025-6pm MDT Oct 21, 2025
 
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