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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

82°F

28°C

Humidity 16%
Wind Speed E 15 mph
Barometer 29.80 in (1007.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Apr 5:52 pm MDT
Extended Forecast for

2 Miles NNW Rapid City SD

Red Flag Warning April 22, 10:00am until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 55. East wind around 6 mph becoming calm.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 88. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 88 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 47. South wind 10 to 14 mph becoming west in the evening. Winds could gust as high as 28 mph.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 62. Breezy, with a northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 62 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of snow showers after 2am. Mostly cloudy, with a low around 32. Breezy, with a northwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 2pm, then a chance of rain showers after 2pm. Mostly cloudy, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 28. North wind 8 to 13 mph becoming light northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: A chance of snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 51. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 51 °F

    Chance Snow
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. East wind around 6 mph becoming calm.
Wednesday
A 20 percent chance of showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 88. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
A 30 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 47. South wind 10 to 14 mph becoming west in the evening. Winds could gust as high as 28 mph.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 62. Breezy, with a northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 46 mph.
Thursday Night
A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of snow showers after 2am. Mostly cloudy, with a low around 32. Breezy, with a northwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 2pm, then a chance of rain showers after 2pm. Mostly cloudy, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 28. North wind 8 to 13 mph becoming light northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Saturday
A chance of snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 51. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 32.
Sunday
Rain and snow showers likely. Mostly cloudy, with a high near 44.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 49.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 32.
Tuesday
A chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Rapid City SD
 44.1°N 103.24°W (Elev. 3353 ft)
Last Update:
5:22 pm MDT Apr 21, 2026
Forecast Valid:
6pm MDT Apr 21, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation