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.

Light Rain

39°F

4°C

Humidity 96%
Wind Speed N 5 mph
Barometer 29.94 in (1011.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Oct 3:53 am MDT
Extended Forecast for

7 Miles WSW Hill City SD

  • Overnight

    Overnight: Occasional showers and possibly a thunderstorm.  Low around 37. Southwest wind around 5 mph becoming calm. Winds could gust as high as 16 mph.  Chance of precipitation is 80%.

    Low: 37 °F

    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers before noon.  Patchy fog before noon.  Otherwise, cloudy, with a high near 51. Light and variable wind.

    High: 51 °F

    Chance
    Showers and
    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Cloudy

  • Wednesday

    Wednesday: Rain likely after noon.  Mostly cloudy, with a high near 48. Calm wind.  Chance of precipitation is 60%.

    High: 48 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain before 5am, then rain, possibly mixed with snow.  Low around 35. Calm wind becoming north 5 to 7 mph after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 50. North wind 10 to 13 mph, with gusts as high as 30 mph.

    High: 50 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Clear, with a low around 25.

    Low: 25 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Overnight
Occasional showers and possibly a thunderstorm. Low around 37. Southwest wind around 5 mph becoming calm. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Tuesday
A 50 percent chance of showers before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 51. Light and variable wind.
Tuesday Night
Cloudy, with a low around 28. Calm wind.
Wednesday
Rain likely after noon. Mostly cloudy, with a high near 48. Calm wind. Chance of precipitation is 60%.
Wednesday Night
Rain before 5am, then rain, possibly mixed with snow. Low around 35. Calm wind becoming north 5 to 7 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 50. North wind 10 to 13 mph, with gusts as high as 30 mph.
Thursday Night
Clear, with a low around 25.
Friday
Sunny, with a high near 57.
Friday Night
Clear, with a low around 39.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Hill City SD
 43.9°N 103.7°W (Elev. 6047 ft)
3:41 am MDT Oct 13, 2026
3am MDT Oct 13, 2026-6pm MDT Oct 19, 2026
 
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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