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

45°F

7°C

Humidity 58%
Wind Speed NW 5 mph
Barometer 29.69 in (1003.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 22 Apr 2:52 am MDT
Extended Forecast for

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

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 62. Southwest wind around 6 mph.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 88. Southwest 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

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Increasing clouds, with a low around 47. Breezy, with a south wind 11 to 20 mph becoming west in the evening. Winds could gust as high as 31 mph.

    Low: 47 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 61. Breezy, with a northwest wind 14 to 24 mph, with gusts as high as 37 mph.

    High: 61 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain showers before midnight, then a chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 32. Breezy, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Showers and
    Breezy then
    Chance
    Rain/Snow

  • 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 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 50 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain showers before 7pm, then a chance of rain and snow showers between 7pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 31. North wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: A chance of snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 55. West wind 5 to 11 mph becoming east in the morning. Winds could gust as high as 23 mph.

    High: 55 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Saturday Night

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

    Low: 32 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 62. Southwest wind around 6 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 88. Southwest 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 20 percent chance of showers before midnight. Increasing clouds, with a low around 47. Breezy, with a south wind 11 to 20 mph becoming west in the evening. Winds could gust as high as 31 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 61. Breezy, with a northwest wind 14 to 24 mph, with gusts as high as 37 mph.
Thursday Night
A chance of rain showers before midnight, then a chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 32. Breezy, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
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 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain showers before 7pm, then a chance of rain and snow showers between 7pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 31. North wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Saturday
A chance of snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 55. West wind 5 to 11 mph becoming east in the morning. Winds could gust as high as 23 mph.
Saturday Night
A chance of rain showers before 9pm, then rain and snow showers likely. Mostly cloudy, with a low around 32.
Sunday
Rain and snow showers. Mostly cloudy, with a high near 45.
Sunday Night
Rain and snow showers likely. Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 50.
Monday Night
A chance of rain and snow showers. Partly cloudy, with a low around 32.
Tuesday
A chance of rain and snow showers. Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
2:02 am MDT Apr 22, 2026
Forecast Valid:
3am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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