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.

Fog/Mist

56°F

13°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 30.21 in (1016.5 mb)
Dewpoint 56°F (13°C)
Visibility 4.00 mi
Last update 8 Jul 12:53 am MDT
Extended Forecast for

7 Miles S Rochford SD

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after noon.  High near 75. Light and variable wind. Winds could gust as high as 17 mph.  Chance of precipitation is 80%.

    High: 75 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight.  Mostly cloudy, with a low around 53. Calm wind.  Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Showers and possibly a thunderstorm after noon.  High near 76. Calm wind becoming south around 5 mph. Winds could gust as high as 17 mph.  Chance of precipitation is 80%.

    High: 76 °F

    Mostly Sunny
    then Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 53. Light west wind. Winds could gust as high as 16 mph.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph. Winds could gust as high as 17 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Calm wind.
Wednesday
Showers and possibly a thunderstorm after noon. High near 75. Light and variable wind. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm after noon. High near 76. Calm wind becoming south around 5 mph. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. Light west wind. Winds could gust as high as 16 mph.
Friday
Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph. Winds could gust as high as 17 mph.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Rochford SD
 44.01°N 103.71°W (Elev. 5817 ft)
12:32 am MDT Jul 8, 2026
1am MDT Jul 8, 2026-6pm MDT Jul 14, 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