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

38°F

3°C

Humidity 44%
Wind Speed E 3 mph
Barometer 30.08 in (1022.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 28 Jan 12:52 pm MST
Extended Forecast for

Ellsworth Air Force Base SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 39. East wind around 8 mph, with gusts as high as 15 mph.

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 21. East wind around 5 mph becoming light and variable after midnight. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 38. Wind chill values as low as 17. Breezy, with a northwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 13. East wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Snow Likely

  • Friday

    Friday: Snow, mainly before 11am. High near 25. East wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 25 °F

    Snow then
    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a temperature falling to near 11 by 9pm, then rising to around 20 during the remainder of the night. South wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 11 °F⇑

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 9am, then a chance of rain and snow between 9am and 11am, then a chance of rain after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Northwest wind around 15 mph, with gusts as high as 28 mph.

    Low: 26 °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 39. East wind around 8 mph, with gusts as high as 15 mph.
Tonight
A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 21. East wind around 5 mph becoming light and variable after midnight. New snow accumulation of less than a half inch possible.
Thursday
Snow likely. Mostly cloudy, with a high near 38. Wind chill values as low as 17. Breezy, with a northwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 13. East wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow, mainly before 11am. High near 25. East wind 8 to 13 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 11 by 9pm, then rising to around 20 during the remainder of the night. South wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
A chance of snow before 9am, then a chance of rain and snow between 9am and 11am, then a chance of rain after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 26. Northwest wind around 15 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A slight chance of rain. Partly sunny, with a high near 45. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ellsworth Air Force Base SD
 44.15°N 103.1°W (Elev. 3202 ft)
Last Update:
12:36 pm MST Jan 28, 2026
Forecast Valid:
1pm MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation