Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

51°F

11°C

Humidity 89%
Wind Speed SW 7 mph
Barometer 29.89 in (1007.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 Jun 11:53 pm MDT
Extended Forecast for

2 Miles W Hill City SD

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms.  Cloudy, with a low around 50. Light southwest wind.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Cloudy, with a high near 60. Calm wind becoming north 5 to 8 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 46. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 65. Calm wind becoming southeast around 5 mph. Winds could gust as high as 16 mph.  Chance of precipitation is 70%.

    High: 65 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 47. Light and variable wind.  Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 65. Light and variable wind. Winds could gust as high as 16 mph.  Chance of precipitation is 40%.

    High: 65 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 50. Light southwest wind.
Sunday
A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 60. Calm wind becoming north 5 to 8 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 65. Calm wind becoming southeast around 5 mph. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 70%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 64.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hill City SD
 43.93°N 103.62°W (Elev. 5587 ft)
11:32 pm MDT Jun 20, 2026
12am MDT Jun 21, 2026-6pm MDT Jun 27, 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