Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

62°F

17°C

Humidity 56%
Wind Speed SE 9 mph
Barometer 30.14 in (1013.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Jun 1:53 am MDT
Extended Forecast for

Custer SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe.  Mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 9pm. Some of the storms could be severe.  Mostly cloudy, with a low around 57. East wind around 5 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 57 °F

    Severe
    Thunderstorms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Some of the storms could be severe.  Mostly sunny, with a high near 79. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Monday Night

    Monday Night: Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm after midnight. Some of the storms could be severe.  Low around 52. Northeast wind around 5 mph becoming north after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    Low: 52 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 65. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers before midnight.  Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northwest wind around 5 mph, with gusts as high as 15 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Showers and thunderstorms likely, mainly before 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 57. East wind around 5 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms after noon. Some of the storms could be severe. Mostly sunny, with a high near 79. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm after midnight. Some of the storms could be severe. Low around 52. Northeast wind around 5 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 65. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of showers before midnight. Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 73. Northwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 51.
Juneteenth
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Custer SD
 43.76°N 103.6°W (Elev. 5417 ft)
12:10 am MDT Jun 15, 2025
2am MDT Jun 15, 2025-6pm MDT Jun 21, 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