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.

Fair

59°F

15°C

Humidity 54%
Wind Speed SW 8 mph
Barometer 29.90 in (1008.5 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 12 Oct 2:53 pm MDT
Extended Forecast for

Edgemont SD

  • Tonight

    Tonight: A 50 percent chance of showers, mainly after midnight. Increasing clouds, with a low around 39. North wind 8 to 13 mph becoming southeast after midnight.

    Low: 39 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 59. East wind around 9 mph, with gusts as high as 17 mph.

    High: 59 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 39. East wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 56. Light southeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 41. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a northwest wind 7 to 17 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely
    then Slight
    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Blustery.

    Low: 30 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly after midnight. Increasing clouds, with a low around 39. North wind 8 to 13 mph becoming southeast after midnight.
Tuesday
A 20 percent chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 59. East wind around 9 mph, with gusts as high as 17 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39. East wind 5 to 10 mph, with gusts as high as 17 mph.
Wednesday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 56. Light southeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Rain. Low around 41. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Thursday
Rain likely, mainly before noon. Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a northwest wind 7 to 17 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 30. Blustery.
Friday
Sunny, with a high near 60.
Friday Night
Clear, with a low around 36.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.29°N 103.83°W (Elev. 3589 ft)
Last Update:
12:46 pm MDT Oct 12, 2026
Forecast Valid:
3pm MDT Oct 12, 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