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Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

77°F

25°C

Humidity 13%
Wind Speed NE 5 mph
Barometer 29.85 in (1009.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 20 Apr 5:52 pm MDT
Extended Forecast for

Blackhawk SD

  • Tonight

    Tonight: Mostly clear, with a low around 48. North wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Southwest wind 6 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 55. Northeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Partly sunny, with a high near 88. Southwest wind 7 to 16 mph, with gusts as high as 32 mph.

    High: 88 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 45. West wind around 14 mph, with gusts as high as 26 mph.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Partly sunny, with a high near 55. Windy, with a northwest wind 14 to 19 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely and
    Windy

  • Thursday Night

    Thursday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 32. Breezy, with a northwest wind 24 to 29 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Breezy.
    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers. Partly sunny, with a high near 48. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 39 mph.

    High: 48 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: A slight chance of snow showers. Partly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 48. North wind around 6 mph becoming light and variable. Winds could gust as high as 16 mph.
Tuesday
Sunny, with a high near 84. Southwest wind 6 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Increasing clouds, with a low around 55. Northeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Wednesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 88. Southwest wind 7 to 16 mph, with gusts as high as 32 mph.
Wednesday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 45. West wind around 14 mph, with gusts as high as 26 mph.
Thursday
Showers likely. Partly sunny, with a high near 55. Windy, with a northwest wind 14 to 19 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%.
Thursday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 32. Breezy, with a northwest wind 24 to 29 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 30%.
Friday
A chance of snow showers. Partly sunny, with a high near 48. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 39 mph.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 28.
Saturday
A chance of snow showers, mainly after noon. Partly sunny, with a high near 49.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 27.
Sunday
A chance of rain and snow showers. Partly sunny, with a high near 49.
Sunday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blackhawk SD
 44.16°N 103.31°W (Elev. 3514 ft)
Last Update:
6:02 pm MDT Apr 20, 2026
Forecast Valid:
6pm MDT Apr 20, 2026-6pm MDT Apr 27, 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