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

Unsettled Weather Continues in the Southern Plains and Northeast into Mid Week

Two storm systems will continue to bring unsettled weather to the Lower 48 through the middle of the week. Heavy to excessive rainfall may lead to flash flooding over portions of east Texas into the lower Mississippi Valley Tuesday into Wednesday. Severe thunderstorms are possible from portions of the southern Plains into the lower Mississippi Valley Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

43°F

6°C

Humidity 86%
Wind Speed Calm
Barometer 30.07 in (1014.1 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 6 May 12:53 am MDT
Extended Forecast for

Custer County Airport SD

  • Overnight

    Overnight: A 50 percent chance of showers, mainly before 2am. Cloudy, with a low around 42. Northeast wind around 5 mph.

    Low: 42 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 57. Northeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 40. Northeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly sunny, with a high near 62. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Southeast wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. South wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 17 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Northwest wind 5 to 8 mph becoming northeast in the morning. Winds could gust as high as 17 mph.

    High: 69 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of showers, mainly before 2am. Cloudy, with a low around 42. Northeast wind around 5 mph.
Tuesday
A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 57. Northeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 40. Northeast wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly sunny, with a high near 62. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 41. Southeast wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 68. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 45. South wind 5 to 8 mph becoming west after midnight. Winds could gust as high as 17 mph.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Northwest wind 5 to 8 mph becoming northeast in the morning. Winds could gust as high as 17 mph.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 49.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 76.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 50.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Custer County Airport SD
 43.73°N 103.63°W (Elev. 5531 ft)
Last Update:
12:31 am MDT May 6, 2025
Forecast Valid:
1am MDT May 6, 2025-6pm MDT May 12, 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