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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

47°F

8°C

Humidity 59%
Wind Speed N 3 mph
Barometer 30.11 in (1015.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Jun 3:53 am MDT
Extended Forecast for

5 Miles ESE Rochford SD

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 68. Calm wind becoming southeast around 6 mph in the morning. Winds could gust as high as 23 mph.

    High: 68 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 48. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 59. Calm wind becoming north around 6 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 43. Light north wind. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 63. Light and variable wind. Chance of precipitation is 90%.

    High: 63 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight. Low around 41. Calm wind. Chance of precipitation is 80%.

    Low: 41 °F

    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 65.

    High: 65 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers after midnight. Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 68. Calm wind becoming southeast around 6 mph in the morning. Winds could gust as high as 23 mph.
Tonight
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 48. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 59. Calm wind becoming north around 6 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 43. Light north wind. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 63. Light and variable wind. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before midnight. Low around 41. Calm wind. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 65.
Tuesday Night
A slight chance of showers after midnight. Mostly clear, with a low around 40.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 68.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Rochford SD
 44.1°N 103.66°W (Elev. 5417 ft)
Last Update:
3:22 am MDT Jun 20, 2026
Forecast Valid:
4am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
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