Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Partly Cloudy

69°F

21°C

Humidity 39%
Wind Speed N 13 mph
Barometer 30.30 in (1024.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 22 Aug 8:52 pm MDT
Extended Forecast for

New Underwood SD

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 54. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 77. North wind around 5 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. East wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 54. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 77. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 53. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 77. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 51. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 79. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 54. East wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 83. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A slight chance of showers. Mostly sunny, with a high near 84.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
New Underwood SD
 44.09°N 102.82°W (Elev. 2894 ft)
7:09 pm MDT Aug 22, 2025
9pm MDT Aug 22, 2025-6pm MDT Aug 29, 2025
 
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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