Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Mostly Cloudy and Windy

42°F

6°C

Humidity 45%
Wind Speed NW 35 G 44 mph
Barometer 30.15 in (1023.7 mb)
Dewpoint 22°F (-6°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 18 Apr 11:52 am MDT
Extended Forecast for

8 Miles SW Blackhawk SD

  • This Afternoon

    This Afternoon: A chance of rain and snow showers before 4pm, then a chance of rain showers.  Partly sunny, with a high near 49. Northwest wind 10 to 13 mph, with gusts as high as 36 mph.  Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 30 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Southeast wind around 6 mph becoming calm. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78. Light and variable wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 25 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Southwest wind around 6 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon.  Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A chance of rain and snow showers before 4pm, then a chance of rain showers. Partly sunny, with a high near 49. Northwest wind 10 to 13 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 25. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 62. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 35. Southeast wind around 6 mph becoming calm. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 78. Light and variable wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 40. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 50. Southwest wind around 6 mph, with gusts as high as 18 mph.
Wednesday
A chance of showers after noon. Partly sunny, with a high near 82.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 42.
Thursday
Showers likely. Mostly sunny, with a high near 60.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25.
Friday
A chance of snow showers. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Blackhawk SD
 44.09°N 103.45°W (Elev. 4505 ft)
9:42 am MDT Apr 18, 2026
12pm MDT Apr 18, 2026-6pm MDT Apr 24, 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