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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

25°F

-4°C

Humidity 75%
Wind Speed Calm
Barometer 30.30 in (1028.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 11 Jan 1:52 am MST
Extended Forecast for

8 Miles SW Blackhawk SD

  • Overnight

    Overnight: Partly cloudy, with a low around 27. West wind around 6 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. West wind 3 to 8 mph. Winds could gust as high as 25 mph.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. West wind 5 to 10 mph, with gusts as high as 29 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. West wind 6 to 10 mph, with gusts as high as 36 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 53. Northwest wind 10 to 14 mph, with gusts as high as 39 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Northwest wind 7 to 9 mph, with gusts as high as 34 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Northwest wind 3 to 6 mph. Winds could gust as high as 25 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. West wind around 6 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 60. West wind 3 to 8 mph. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 29. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 58. West wind 5 to 10 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 39. West wind 6 to 10 mph, with gusts as high as 36 mph.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 53. Northwest wind 10 to 14 mph, with gusts as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Northwest wind 7 to 9 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 53. Northwest wind 3 to 6 mph. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 18.
Friday
A slight chance of snow. Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Blackhawk SD
 44.09°N 103.45°W (Elev. 4505 ft)
Last Update:
12:51 am MST Jan 11, 2026
Forecast Valid:
2am MST Jan 11, 2026-6pm MST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation