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.

Overcast

56°F

13°C

Humidity 84%
Wind Speed Vrbl 3 mph
Barometer 29.98 in (1010.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 1:53 pm MDT
Extended Forecast for

2 Miles SE Hill City SD

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67. Southeast wind around 7 mph, with gusts as high as 24 mph.

    High: 67 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 9pm, then a chance of thunderstorms between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Low around 51. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Patchy fog before 9am. High near 64. Calm wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers and
    Patchy Fog

  • 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 46. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 66. Calm wind becoming southeast around 5 mph. Winds could gust as high as 17 mph. Chance of precipitation is 80%.

    High: 66 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67. Southeast wind around 7 mph, with gusts as high as 24 mph.
Tonight
Showers and possibly a thunderstorm before 9pm, then a chance of thunderstorms between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Low around 51. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. Patchy fog before 9am. High near 64. Calm wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
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 46. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 66. Calm wind becoming southeast around 5 mph. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47.
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 52.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Hill City SD
 43.91°N 103.55°W (Elev. 5200 ft)
Last Update:
1:49 pm MDT Jun 20, 2026
Forecast Valid:
2pm 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