Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast and Breezy

39°F

4°C

Humidity 70%
Wind Speed W 21 G 37 mph
Barometer 29.63 in (1000.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 16 May 4:53 am MDT
Extended Forecast for

6 Miles NNW Keystone SD

High Wind Warning May 16, 05:53am until May 16, 12:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning May 16, 05:53am until May 16, 12:00pm

    NOW until 12:00pm Fri

    High Wind Warning

  • Overnight

    Low: 41 °F

    Chance
    Showers

  • Friday

    Friday: Rain likely, possibly mixed with snow showers, becoming all rain after 7am.  Cloudy, with a high near 53. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 53 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Northwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 26 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 62. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 39. East wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 55. Light southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 90%.

    High: 55 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 36. East wind 5 to 8 mph becoming light and variable. Winds could gust as high as 24 mph.  Chance of precipitation is 100%.

    Low: 36 °F

    Showers

  • Monday

    Monday: Showers.  Mostly cloudy, with a high near 44. North wind 5 to 9 mph, with gusts as high as 25 mph.

    High: 44 °F

    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a steady temperature around 41. Northwest wind around 17 mph, with gusts as high as 41 mph.
Friday
Rain likely, possibly mixed with snow showers, becoming all rain after 7am. Cloudy, with a high near 53. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 35. Northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. East wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Sunday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 55. Light southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm. Low around 36. East wind 5 to 8 mph becoming light and variable. Winds could gust as high as 24 mph. Chance of precipitation is 100%.
Monday
Showers. Mostly cloudy, with a high near 44. North wind 5 to 9 mph, with gusts as high as 25 mph.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 35.
Tuesday
A chance of showers. Partly sunny, with a high near 52.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 35.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 62.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 39.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Keystone SD
 43.98°N 103.47°W (Elev. 4800 ft)
3:10 am MDT May 16, 2025
5am MDT May 16, 2025-6pm MDT May 22, 2025
 
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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