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.

Mostly Cloudy

73°F

23°C

Humidity 18%
Wind Speed Calm
Barometer 29.63 in (1001.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 12 Apr 1:52 pm MDT
Extended Forecast for

2 Miles ESE New Underwood SD

Red Flag Warning April 12, 02:03pm until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 02:03pm until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 78 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 43. Northwest wind 5 to 9 mph becoming east in the evening. Winds could gust as high as 20 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Breezy, with a southwest wind 6 to 16 mph increasing to 19 to 29 mph. Winds could gust as high as 40 mph.

    High: 77 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Breezy, with a northwest wind 18 to 28 mph becoming west 6 to 11 mph after midnight. Winds could gust as high as 38 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. West wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 17 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. East wind 5 to 10 mph becoming southwest after midnight.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Southwest wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. Northwest wind 5 to 9 mph becoming east in the evening. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 77. Breezy, with a southwest wind 6 to 16 mph increasing to 19 to 29 mph. Winds could gust as high as 40 mph.
Monday Night
Partly cloudy, with a low around 41. Breezy, with a northwest wind 18 to 28 mph becoming west 6 to 11 mph after midnight. Winds could gust as high as 38 mph.
Tuesday
Mostly sunny, with a high near 68. West wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 39. East wind 5 to 10 mph becoming southwest after midnight.
Wednesday
Mostly sunny, with a high near 75. Southwest wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 45. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday
A slight chance of showers after noon. Mostly sunny, with a high near 74. Breezy.
Thursday Night
Rain showers likely 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 29. Windy.
Friday
A chance of snow showers. Mostly cloudy, with a high near 44. Windy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Blustery.
Saturday
A chance of rain and snow showers. Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE New Underwood SD
 44.09°N 102.79°W (Elev. 2894 ft)
12:32 pm MDT Apr 12, 2026
2pm MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database