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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.

Overcast

52°F

11°C

Humidity 59%
Wind Speed Calm
Barometer 29.85 in (1004.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 11 Oct 4:53 am MDT
Extended Forecast for

Edgemont SD

  • Today

    Today: Partly sunny, with a high near 70. Breezy, with a south wind 5 to 10 mph becoming east 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 70 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers. Mostly cloudy, with a low around 46. Breezy, with an east wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.

    Low: 46 °F

    Chance
    Showers and
    Breezy

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 65. Breezy, with a southeast wind 6 to 11 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 65 °F

    Partly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 41. Northwest wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 24 mph.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Partly sunny, with a high near 60. East wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 60 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 41. East wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before noon. Partly sunny, with a high near 59. Windy.

    High: 59 °F

    Chance Rain
    and Breezy
    then Partly
    Sunny and
    Windy

Detailed Forecast

Today
Partly sunny, with a high near 70. Breezy, with a south wind 5 to 10 mph becoming east 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
A 30 percent chance of showers. Mostly cloudy, with a low around 46. Breezy, with an east wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 65. Breezy, with a southeast wind 6 to 11 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41. Northwest wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 24 mph.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 60. East wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 41. East wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Wednesday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40.
Thursday
A chance of rain before noon. Partly sunny, with a high near 59. Windy.
Thursday Night
Partly cloudy, with a low around 34. Breezy.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.31°N 103.83°W (Elev. 3589 ft)
Last Update:
4:46 am MDT Oct 11, 2026
Forecast Valid:
4am 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