Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

33°F

1°C

Humidity 89%
Wind Speed NW 3 mph
Barometer 29.71 in (1006.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Apr 5:52 am MDT
Extended Forecast for

Rapid City SD

  • Today

    Today: Sunny, with a high near 74. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of showers after noon.  Partly sunny, with a high near 74. West wind 10 to 16 mph becoming north in the afternoon. Winds could gust as high as 33 mph.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 11pm, then rain and snow showers between 11pm and 1am, then snow showers likely after 1am.  Low around 29. Wind chill values as low as 19. Blustery, with a north wind 16 to 21 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow and
    Blustery

  • Friday

    Friday: Snow showers likely, mainly before noon.  Mostly cloudy, with a high near 42. Breezy, with a north wind 16 to 22 mph, with gusts as high as 43 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 38 mph.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: A slight chance of snow showers before 3pm, then a slight chance of rain and snow showers.  Mostly sunny, with a high near 50. Breezy, with a northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Northwest wind 5 to 15 mph becoming west in the evening. Winds could gust as high as 30 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Increasing clouds, with a low around 50. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Thursday
A 50 percent chance of showers after noon. Partly sunny, with a high near 74. West wind 10 to 16 mph becoming north in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
Rain showers before 11pm, then rain and snow showers between 11pm and 1am, then snow showers likely after 1am. Low around 29. Wind chill values as low as 19. Blustery, with a north wind 16 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 42. Breezy, with a north wind 16 to 22 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 38 mph.
Saturday
A slight chance of snow showers before 3pm, then a slight chance of rain and snow showers. Mostly sunny, with a high near 50. Breezy, with a northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 27. Northwest wind 5 to 15 mph becoming west in the evening. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
3:51 am MDT Apr 15, 2026
6am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

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