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Storm system to bring heavy rainfall and the potential for flash flooding over the southern Mid Atlantic and Southeast U.S.

A slow moving low pressure system will bring the threat for heavy rainfall, flash flooding, and a few strong to severe thunderstorms into Tuesday. The main threat areas include the southern Mid Atlantic and Southeast U.S. Excessive runoff may lead to flooding of low lying areas, rivers, and streams. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Light Rain

10°C

50°F

Humidity 74%
Wind Speed N 30 km/h
Barometer 1003.9 mb (29.66 in)
Dewpoint 6°C (42°F)
Visibility 16 km
Wind Chill7°C (44°F)
Last update 23 Apr 10:52 pm MDT
Extended Forecast for

Lead SD

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 4am, then isolated showers between 4am and 5am.  Mostly cloudy, with a low around 4. Southwest wind 8 to 13 km/h becoming west 16 to 21 km/h after midnight. Winds could gust as high as 29 km/h.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 4 °C

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 11. Northwest wind 21 to 26 km/h becoming north 11 to 16 km/h in the afternoon. Winds could gust as high as 35 km/h.

    Mostly Cloudy
    then Chance
    Showers

    High: 11 °C

  • Monday
    Night

    Monday Night: Rain showers likely before midnight, then rain and snow showers between midnight and 4am, then snow after 4am. Some thunder is also possible.  Low around -2. Northeast wind 11 to 14 km/h becoming east after midnight.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 centimeters possible.

    Showers
    Likely then
    Rain/Snow

    Low: -2 °C

  • Tuesday

    Tuesday: Snow before 11am, then rain and snow.  High near 1. East wind 11 to 14 km/h becoming north in the afternoon.  Chance of precipitation is 80%.

    Rain/Snow

    High: 1 °C

  • Tuesday
    Night

    Tuesday Night: A chance of rain and snow before 7pm, then a chance of snow between 7pm and midnight.  Mostly cloudy, with a low around -7. North wind 8 to 11 km/h becoming west after midnight.  Chance of precipitation is 30%.

    Chance
    Rain/Snow
    then Mostly
    Cloudy

    Low: -7 °C

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 6. West wind 8 to 11 km/h becoming east in the afternoon.

    Partly Sunny
    then Slight
    Chance
    Showers

    High: 6 °C

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around -3.

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

    Low: -3 °C

  • Thursday

    Thursday: A slight chance of rain and snow showers before noon, then a chance of rain.  Mostly cloudy, with a high near 4.

    Slight Chance
    Rain/Snow
    then Chance
    Rain

    High: 4 °C

  • Thursday
    Night

    Thursday Night: A chance of rain and snow before midnight, then a chance of snow.  Mostly cloudy, with a low around -2.

    Chance
    Rain/Snow
    then Chance
    Snow

    Low: -2 °C

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 4am, then isolated showers between 4am and 5am. Mostly cloudy, with a low around 4. Southwest wind 8 to 13 km/h becoming west 16 to 21 km/h after midnight. Winds could gust as high as 29 km/h. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 11. Northwest wind 21 to 26 km/h becoming north 11 to 16 km/h in the afternoon. Winds could gust as high as 35 km/h.
Monday Night
Rain showers likely before midnight, then rain and snow showers between midnight and 4am, then snow after 4am. Some thunder is also possible. Low around -2. Northeast wind 11 to 14 km/h becoming east after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 centimeters possible.
Tuesday
Snow before 11am, then rain and snow. High near 1. East wind 11 to 14 km/h becoming north in the afternoon. Chance of precipitation is 80%.
Tuesday Night
A chance of rain and snow before 7pm, then a chance of snow between 7pm and midnight. Mostly cloudy, with a low around -7. North wind 8 to 11 km/h becoming west after midnight. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 6. West wind 8 to 11 km/h becoming east in the afternoon.
Wednesday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around -3.
Thursday
A slight chance of rain and snow showers before noon, then a chance of rain. Mostly cloudy, with a high near 4.
Thursday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around -2.
Friday
Rain and snow likely, becoming all rain after noon. Cloudy, with a high near 4.
Friday Night
A chance of rain and snow. Cloudy, with a low around -3.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 6.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around -2.
Sunday
A slight chance of rain. Mostly sunny, with a high near 9.
Click Map For Forecast
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 1622 m)
10:45 pm MDT Apr 23, 2017
11pm MDT Apr 23, 2017-6pm MDT Apr 30, 2017
 
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