Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

83°F

28°C

Humidity 15%
Wind Speed SW 7 mph
Barometer 29.60 in (1000.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Apr 2:52 pm MDT
Extended Forecast for

8 Miles SW Blackhawk SD

Red Flag Warning April 11, 03:23pm until April 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 11, 03:23pm until April 12, 09:00pm

    NOW until 9:00pm Sun

    Red Flag Warning

  • Tonight

    Low: 45 °F

    Isolated
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. West wind 5 to 10 mph, with gusts as high as 28 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Southwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 30 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 23 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 7am, then a chance of rain showers.  Mostly cloudy, with a high near 60. Calm wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 60 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight.  Mostly cloudy, with a low around 36. North wind around 5 mph becoming calm. Winds could gust as high as 15 mph.

    Low: 36 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon.  Mostly sunny, with a high near 67. West wind 5 to 8 mph, with gusts as high as 24 mph.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West wind around 7 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 73. West wind 5 to 10 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 44. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 71. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 30 mph.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Tuesday
A chance of rain and snow showers before 7am, then a chance of rain showers. Mostly cloudy, with a high near 60. Calm wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 36. North wind around 5 mph becoming calm. Winds could gust as high as 15 mph.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 67. West wind 5 to 8 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 65.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 24.
Friday
A chance of snow showers. Partly sunny, with a high near 42.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 20.
Saturday
A chance of snow showers. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Blackhawk SD
 44.09°N 103.45°W (Elev. 4505 ft)
1:42 pm MDT Apr 11, 2026
3pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database