Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

79°F

26°C

Humidity 47%
Wind Speed E 12 mph
Barometer 29.93 in (1010.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 9 Aug 7:52 pm MDT
Extended Forecast for

7 Miles WSW Blackhawk SD

  • Tonight

    Tonight: Areas of smoke before midnight. Mostly clear, with a low around 59. Southeast wind around 5 mph becoming light and variable. Winds could gust as high as 21 mph.

    Low: 59 °F

    Areas Smoke
    then Mostly
    Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm.  Areas of smoke. Mostly sunny, with a high near 91. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

    High: 91 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Areas of smoke. Partly cloudy, with a low around 58. East wind 5 to 7 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Areas Smoke

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Areas of smoke. Mostly sunny, with a high near 88. Light and variable wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 20 mph.

    High: 88 °F

    Areas Smoke
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 57. East wind around 5 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.

    High: 80 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after noon.  Cloudy, with a high near 68.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Cloudy, with a low around 50.

    Low: 50 °F

    Showers

Detailed Forecast

Tonight
Areas of smoke before midnight. Mostly clear, with a low around 59. Southeast wind around 5 mph becoming light and variable. Winds could gust as high as 21 mph.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke. Mostly sunny, with a high near 91. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Areas of smoke. Partly cloudy, with a low around 58. East wind 5 to 7 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Areas of smoke. Mostly sunny, with a high near 88. Light and variable wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. East wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Wednesday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Thursday
Showers likely, then showers and possibly a thunderstorm after noon. Cloudy, with a high near 68.
Thursday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 50.
Friday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 70.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Blackhawk SD
 44.11°N 103.42°W (Elev. 4580 ft)
7:21 pm MDT Aug 9, 2026
8pm MDT Aug 9, 2026-6pm MDT Aug 16, 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