National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

37°F

3°C

Humidity 44%
Wind Speed NE 9 mph
Barometer 30.06 in (1021.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 28 Jan 1:52 pm MST
Extended Forecast for

2 Miles ESE New Underwood SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 38. East wind around 10 mph, with gusts as high as 16 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 17. East wind around 6 mph becoming calm after midnight. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 37. Wind chill values as low as 13. Breezy, with a south wind 5 to 10 mph becoming northwest 16 to 21 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 12. Wind chill values as low as 4. East wind 5 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Snow Likely

  • Friday

    Friday: Snow, mainly before 11am. Steady temperature around 17. East wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 17 °F

    Snow then
    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a temperature falling to near 8 by 8pm, then rising to around 17 during the remainder of the night. South wind around 14 mph, with gusts as high as 24 mph.

    Low: 8 °F⇑

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain and snow between 10am and 11am, then a chance of rain after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 38. East wind around 10 mph, with gusts as high as 16 mph.
Tonight
A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 17. East wind around 6 mph becoming calm after midnight. New snow accumulation of less than a half inch possible.
Thursday
Snow likely. Mostly cloudy, with a high near 37. Wind chill values as low as 13. Breezy, with a south wind 5 to 10 mph becoming northwest 16 to 21 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 12. Wind chill values as low as 4. East wind 5 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow, mainly before 11am. Steady temperature around 17. East wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
Mostly cloudy, with a temperature falling to near 8 by 8pm, then rising to around 17 during the remainder of the night. South wind around 14 mph, with gusts as high as 24 mph.
Saturday
A chance of snow before 10am, then a chance of rain and snow between 10am and 11am, then a chance of rain after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 24. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 46. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE New Underwood SD
 44.09°N 102.79°W (Elev. 2894 ft)
Last Update:
12:36 pm MST Jan 28, 2026
Forecast Valid:
2pm MST Jan 28, 2026-6pm MST Feb 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation