Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

A Few Clouds

77°F

25°C

Humidity 14%
Wind Speed W 13 mph
Barometer 29.63 in (1001.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 12 Apr 2:52 pm MDT
Extended Forecast for

4 Miles WNW Colonial Pine Hills SD

Red Flag Warning April 12, 02:58pm until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 02:58pm until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 45. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 17 mph.

    Low: 45 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. West wind 10 to 15 mph becoming light  after midnight. Winds could gust as high as 26 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 63. Light and variable wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. South wind 3 to 7 mph. Winds could gust as high as 21 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Southwest wind 6 to 8 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. West wind 5 to 7 mph, with gusts as high as 22 mph.
Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 45. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 69. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Partly cloudy, with a low around 38. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 26 mph.
Tuesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 63. Light and variable wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 40. Light and variable wind.
Wednesday
Mostly sunny, with a high near 69. South wind 3 to 7 mph. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 46. Southwest wind 6 to 8 mph, with gusts as high as 23 mph.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 68.
Thursday Night
Rain showers likely before 9pm, then rain and snow showers likely between 9pm and 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 27.
Friday
Snow showers likely. Mostly cloudy, with a high near 39.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Saturday
A chance of snow showers. Mostly sunny, with a high near 48.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Colonial Pine Hills SD
 44.03°N 103.38°W (Elev. 4206 ft)
12:32 pm MDT Apr 12, 2026
2pm MDT Apr 12, 2026-6pm MDT Apr 18, 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