Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair and Breezy

54°F

12°C

Humidity 51%
Wind Speed NW 21 mph
Barometer 29.76 in (1007.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Apr 7:52 pm MDT
Extended Forecast for

17 Miles ESE Fairburn SD

Red Flag Warning April 13, 08:10pm until April 13, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning April 13, 08:10pm until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 68. West wind 5 to 11 mph becoming southeast in the morning. Winds could gust as high as 22 mph.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 36. Southwest wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 20 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 80. Breezy, with a southwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 80 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers likely before 3am, then rain and snow showers likely.  Mostly cloudy, with a low around 32. Windy, with a southwest wind 28 to 32 mph becoming north in the evening. Winds could gust as high as 46 mph.  Chance of precipitation is 60%.

    Low: 32 °F

    Windy.
    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain and snow showers likely, becoming all snow after 9am.  Mostly cloudy, with a high near 46. Windy, with a north wind 30 to 34 mph, with gusts as high as 48 mph.

    High: 46 °F

    Windy.
    Rain/Snow
    Likely then
    Snow Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Northwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 28 mph.
Tuesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 68. West wind 5 to 11 mph becoming southeast in the morning. Winds could gust as high as 22 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. Southwest wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 75. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 47. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 80. Breezy, with a southwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.
Thursday Night
Rain showers likely before 3am, then rain and snow showers likely. Mostly cloudy, with a low around 32. Windy, with a southwest wind 28 to 32 mph becoming north in the evening. Winds could gust as high as 46 mph. Chance of precipitation is 60%.
Friday
Rain and snow showers likely, becoming all snow after 9am. Mostly cloudy, with a high near 46. Windy, with a north wind 30 to 34 mph, with gusts as high as 48 mph.
Friday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 24. Windy.
Saturday
A slight chance of snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Mostly sunny, with a high near 57. Breezy.
Saturday Night
Mostly clear, with a low around 25. Blustery.
Sunday
Sunny, with a high near 71. Breezy.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 81. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ESE Fairburn SD
 43.62°N 102.87°W (Elev. 2799 ft)
7:53 pm MDT Apr 13, 2026
8pm MDT Apr 13, 2026-6pm MDT Apr 20, 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