Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Fire Weather Concerns in the Southern High Plains

Severe thunderstorms and the threat for excessive rainfall will move into the mid-Mississippi and lower Ohio Valleys today. There is potential for a few strong tornadoes, damaging wind gusts, large hail, and scattered flash flooding. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Overcast and Breezy

34°F

1°C

Humidity 92%
Wind Speed NW 22 mph
Barometer 29.96 in (1017.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 27 Apr 10:52 am MDT
Extended Forecast for

Rapid Valley SD

  • Today

    Today: A chance of rain and snow showers before noon, then a slight chance of rain showers between noon and 4pm.  Cloudy, with a high near 43. Breezy, with a north wind 16 to 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of snow after 3am.  Cloudy, with a low around 32. North wind 10 to 15 mph becoming light northwest  in the evening. Winds could gust as high as 24 mph.

    Low: 32 °F

    Cloudy then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow before 11am, then rain.  High near 46. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Rain/Snow
    Likely then
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 31. South wind around 7 mph, with gusts as high as 17 mph.

    Low: 31 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers after noon.  Mostly sunny, with a high near 59. West wind 6 to 15 mph becoming north in the morning. Winds could gust as high as 28 mph.

    High: 59 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Northwest wind 6 to 14 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 59. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. North wind 10 to 15 mph becoming light and variable. Winds could gust as high as 24 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
A chance of rain and snow showers before noon, then a slight chance of rain showers between noon and 4pm. Cloudy, with a high near 43. Breezy, with a north wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow after 3am. Cloudy, with a low around 32. North wind 10 to 15 mph becoming light northwest in the evening. Winds could gust as high as 24 mph.
Tuesday
Rain likely, possibly mixed with snow before 11am, then rain. High near 46. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31. South wind around 7 mph, with gusts as high as 17 mph.
Wednesday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 59. West wind 6 to 15 mph becoming north in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 34. Northwest wind 6 to 14 mph, with gusts as high as 26 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 59. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
Mostly clear, with a low around 32. North wind 10 to 15 mph becoming light and variable. Winds could gust as high as 24 mph.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
A slight chance of showers. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.08°N 103.12°W (Elev. 3268 ft)
8:37 am MDT Apr 27, 2026
11am MDT Apr 27, 2026-6pm MDT May 3, 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