National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns and Severe Thunderstorms through the Weekend

Dry and windy conditions, and some dry thunderstorms and lightning, may support hazardous fire activity in the northern Plains, high southern Plains and the Southwest this weekend. An active severe weather pattern is forecast for portions of the central and southern High Plains into the Upper Midwest through early the part of next week. Damaging winds, large hail, and tornadoes are possible. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

75°F

24°C

Humidity 15%
Wind Speed N 13 mph
Barometer 29.77 in (1006.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 15 May 5:52 pm MDT
Extended Forecast for

Rapid City SD

  • Tonight

    Tonight: Mostly clear, with a low around 45. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 30 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 50. Southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 67. Northwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 37. North wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Chance
    Showers

  • Monday

    Monday: Showers. Steady temperature around 40. Breezy, with a north wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    High: 40 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers likely before 3am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 60%.

    Low: 33 °F

    Showers
    Likely and
    Breezy then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of showers after noon. Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 81. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 30 mph.
Saturday Night
Showers likely, mainly after midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 50. Southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 67. Northwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 40 mph.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 37. North wind 16 to 18 mph, with gusts as high as 28 mph.
Monday
Showers. Steady temperature around 40. Breezy, with a north wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Monday Night
Rain showers likely before 3am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 60%.
Tuesday
A slight chance of showers after noon. Mostly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Friday
A slight chance of showers. Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
4:23 pm MDT May 15, 2026
Forecast Valid:
6pm MDT May 15, 2026-6pm MDT May 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation