Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

50°F

10°C

Humidity 61%
Wind Speed N 7 mph
Barometer 29.71 in (1004.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 13 Apr 2:52 am MDT
Extended Forecast for

Rapid City SD

Red Flag Warning April 13, 03:37am until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 13, 03:37am until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • Overnight

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 74. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. West wind 11 to 16 mph becoming light  after midnight. Winds could gust as high as 31 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 66. Light and variable wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 16 mph.

    High: 66 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Southwest wind 3 to 6 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Sunny, with a high near 72. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after noon.  Partly sunny, with a high near 74. Southwest wind 10 to 17 mph, with gusts as high as 36 mph.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 53. Calm wind becoming west around 5 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 74. Southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Partly cloudy, with a low around 40. West wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 31 mph.
Tuesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 66. Light and variable wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Southwest wind 3 to 6 mph.
Wednesday
A 20 percent chance of showers after noon. Sunny, with a high near 72. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 48. South wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
A chance of showers after noon. Partly sunny, with a high near 74. Southwest wind 10 to 17 mph, with gusts as high as 36 mph.
Thursday Night
Rain showers before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am. Mostly cloudy, with a low around 30. Blustery.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 43. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Blustery.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
2:06 am MDT Apr 13, 2026
3am MDT Apr 13, 2026-6pm MDT Apr 19, 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