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

Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Overcast

29°F

-2°C

Humidity 85%
Wind Speed NW 7 mph
Barometer 30.08 in (1021.7 mb)
Dewpoint 25°F (-4°C)
Visibility 9.00 mi
Wind Chill22°F (-6°C)
Last update 10 Mar 11:52 pm MDT
Extended Forecast for

4 Miles SW Blackhawk SD

  • Overnight

    Overnight: A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 19. Wind chill values as low as 12. West wind 3 to 5 mph. Winds could gust as high as 15 mph.

    Low: 19 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 42. Wind chill values as low as 11. West wind 6 to 13 mph, with gusts as high as 29 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23. West wind 6 to 9 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 62. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 8pm, then snow likely. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 22 mph becoming light west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow and
    Blustery then
    Snow Likely

  • Friday

    Friday: Snow likely before 1pm, then a chance of rain. Mostly cloudy, with a high near 49. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 26. Northeast wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before noon, then rain and snow likely. Mostly cloudy, with a high near 43. North wind 6 to 11 mph becoming east in the morning. Winds could gust as high as 26 mph.

    High: 43 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Rain and snow, becoming all snow after midnight. The snow could be heavy at times. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Overnight
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 19. Wind chill values as low as 12. West wind 3 to 5 mph. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 42. Wind chill values as low as 11. West wind 6 to 13 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 23. West wind 6 to 9 mph, with gusts as high as 23 mph.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 62. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 41 mph.
Thursday Night
A chance of rain before 8pm, then snow likely. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 22 mph becoming light west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely before 1pm, then a chance of rain. Mostly cloudy, with a high near 49. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26. Northeast wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph.
Saturday
A chance of snow before noon, then rain and snow likely. Mostly cloudy, with a high near 43. North wind 6 to 11 mph becoming east in the morning. Winds could gust as high as 26 mph.
Saturday Night
Rain and snow, becoming all snow after midnight. The snow could be heavy at times. Mostly cloudy, with a low around 11.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 27.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 10.
Monday
A slight chance of snow. Mostly cloudy, with a high near 38.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 25.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Blackhawk SD
 44.09°N 103.36°W (Elev. 4108 ft)
Last Update:
10:37 pm MDT Mar 10, 2026
Forecast Valid:
12am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
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