Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Partly Cloudy

40°F

4°C

Humidity 60%
Wind Speed Calm
Barometer 29.68 in (1007.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Mar 8:52 am MDT
Extended Forecast for

2 Miles ESE New Underwood SD

  • Today

    Today: Partly sunny, with a high near 67. Breezy, with a west wind 11 to 16 mph becoming northwest 24 to 29 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 67 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 36. Breezy, with a west wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. West wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. West wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. West wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Northwest wind 6 to 9 mph becoming west in the evening. Winds could gust as high as 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. West wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. North wind 9 to 13 mph becoming southwest in the evening. Winds could gust as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Partly sunny, with a high near 67. Breezy, with a west wind 11 to 16 mph becoming northwest 24 to 29 mph in the afternoon. Winds could gust as high as 45 mph.
Tonight
Mostly clear, with a low around 36. Breezy, with a west wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph.
Wednesday
Mostly sunny, with a high near 76. West wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 41. West wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 79. West wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 45. Northwest wind 6 to 9 mph becoming west in the evening. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 81. West wind 7 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 46. North wind 9 to 13 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 78. Breezy.
Saturday Night
Mostly cloudy, with a low around 36. Breezy.
Sunday
Partly sunny, with a high near 54. Breezy.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31. Breezy.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE New Underwood SD
 44.09°N 102.79°W (Elev. 2894 ft)
8:32 am MDT Mar 17, 2026
9am MDT Mar 17, 2026-6pm MDT Mar 23, 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