Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

51°F

11°C

Humidity 41%
Wind Speed S 6 mph
Barometer 29.57 in (999.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 16 Apr 5:52 am MDT
Extended Forecast for

Rapid City SD

  • Today

    Today: A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Partly sunny, with a high near 73. Southwest wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 60%.

    High: 73 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Rain showers before 11pm, then rain and snow showers between 11pm and midnight, then snow showers likely after midnight.  Low around 30. Wind chill values as low as 20. Blustery, with a north wind 16 to 20 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow and
    Blustery then
    Snow Showers
    Likely

  • Friday

    Friday: A 50 percent chance of snow showers.  Mostly cloudy, with a high near 45. Wind chill values as low as 19 early. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 40 mph.  New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Wind chill values as low as 17. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers between noon and 2pm, then a slight chance of rain showers after 2pm.  Mostly sunny, with a high near 53. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 20%.

    High: 53 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Northwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 31 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. East wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 73. Southwest wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%.
Tonight
Rain showers before 11pm, then rain and snow showers between 11pm and midnight, then snow showers likely after midnight. Low around 30. Wind chill values as low as 20. Blustery, with a north wind 16 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 45. Wind chill values as low as 19 early. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 25. Wind chill values as low as 17. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph.
Saturday
A slight chance of snow showers between noon and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 53. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 30. Northwest wind 10 to 15 mph becoming light and variable. Winds could gust as high as 31 mph.
Sunday
Sunny, with a high near 68. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 38. East wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 80.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 49.
Wednesday
A chance of showers. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
5:47 am MDT Apr 16, 2026
6am MDT Apr 16, 2026-6pm MDT Apr 22, 2026
 
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Additional Resources

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