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

Fire Weather Concerns and Severe Thunderstorms through the Weekend

Dry and windy conditions, and some dry thunderstorms and lightning, may support hazardous fire activity in the northern Plains, high southern Plains and the Southwest this weekend. An active severe weather pattern is forecast for portions of the central and southern High Plains into the Upper Midwest through early the part of next week. Damaging winds, large hail, and tornadoes are possible. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

63°F

17°C

Humidity 23%
Wind Speed Vrbl 7 G 18 mph
Barometer 29.90 in (1007.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 15 May 9:53 am MDT
Extended Forecast for

Hill City SD

  • Today

    Today: Sunny, with a high near 71. West wind 3 to 7 mph. Winds could gust as high as 22 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Light north wind. Winds could gust as high as 16 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 25 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Partly cloudy during the early evening, then becoming cloudy, with a low around 46. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly after noon. Mostly cloudy, with a high near 62. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 34. North wind 5 to 7 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 34 °F

    Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after noon. High near 37. Chance of precipitation is 90%.

    High: 37 °F

    Showers

  • Monday Night

    Monday Night: Rain and snow showers likely before midnight, then a chance of snow showers. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of snow showers before noon, then a slight chance of rain and snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 71. West wind 3 to 7 mph. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 41. Light north wind. Winds could gust as high as 16 mph.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy during the early evening, then becoming cloudy, with a low around 46. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Sunday
Showers likely, mainly after noon. Mostly cloudy, with a high near 62. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 34. North wind 5 to 7 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday
Showers, with thunderstorms also possible after noon. High near 37. Chance of precipitation is 90%.
Monday Night
Rain and snow showers likely before midnight, then a chance of snow showers. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of snow showers before noon, then a slight chance of rain and snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 56.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 38.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
Last Update:
8:28 am MDT May 15, 2026
Forecast Valid:
10am MDT May 15, 2026-6pm MDT May 21, 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