Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

58°F

14°C

Humidity 93%
Wind Speed N 6 mph
Barometer 30.22 in (1016.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 7 Jul 11:53 pm MDT
Extended Forecast for

3 Miles WNW Buffalo Gap SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. North wind around 7 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 82. North wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. North wind 5 to 9 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon.  Increasing clouds, with a high near 84. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    High: 84 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60. South wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 87. West wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North wind around 7 mph, with gusts as high as 15 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. North wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. North wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Thursday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 84. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. South wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 87. West wind 5 to 9 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 97.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 98. Breezy.
Monday Night
Mostly clear, with a low around 71. Breezy.
Tuesday
Sunny, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Buffalo Gap SD
 43.51°N 103.37°W (Elev. 3999 ft)
12:32 am MDT Jul 8, 2026
12am MDT Jul 8, 2026-6pm MDT Jul 14, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database