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

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

A Few Clouds

85°F

29°C

Humidity 27%
Wind Speed S 20 G 31 mph
Barometer 29.45 in (994.5 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 May 2:52 pm MDT
Extended Forecast for

Blackhawk SD

Wind Advisory May 17, 06:00pm until May 18, 03:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 84. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 44. Windy, with a northwest wind 16 to 26 mph increasing to 26 to 36 mph. Winds could gust as high as 49 mph.

    Low: 44 °F

    Windy. Slight
    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Northwest wind 8 to 16 mph becoming east in the afternoon. Winds could gust as high as 33 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. East wind around 7 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Southwest wind 6 to 10 mph becoming northeast in the morning. Winds could gust as high as 23 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 48. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60. North wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Northwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 56.

    High: 56 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 84. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 44. Windy, with a northwest wind 16 to 26 mph increasing to 26 to 36 mph. Winds could gust as high as 49 mph.
Saturday
Sunny, with a high near 69. Northwest wind 8 to 16 mph becoming east in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
Mostly clear, with a low around 48. East wind around 7 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Southwest wind 6 to 10 mph becoming northeast in the morning. Winds could gust as high as 23 mph.
Sunday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Partly cloudy, with a low around 48. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60. North wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Northwest wind 6 to 9 mph, with gusts as high as 17 mph.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 56.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 63.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 60.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Blackhawk SD
 44.16°N 103.31°W (Elev. 3514 ft)
Last Update:
1:50 pm MDT May 17, 2024
Forecast Valid:
3pm MDT May 17, 2024-6pm MDT May 24, 2024
 
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