Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Mostly Cloudy

2°F

-17°C

Humidity 65%
Wind Speed N 14 G 22 mph
Barometer 30.28 in (1033.1 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-16°F (-27°C)
Last update 25 Jan 11:52 am MST
Extended Forecast for

Hermosa SD

  • This Afternoon

    This Afternoon: Scattered flurries.  Mostly sunny, with a high near 5. Wind chill values as low as -12. North wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 5 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Mostly clear, with a temperature falling to near -7 by 10pm, then rising to around 1 during the remainder of the night. Wind chill values as low as -21. Southwest wind 5 to 9 mph.

    Low: -7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 46. Wind chill values as low as -8 early. Southwest wind 9 to 16 mph becoming northwest in the morning. Winds could gust as high as 31 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. West wind around 6 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Northwest wind around 7 mph becoming east in the afternoon. Winds could gust as high as 16 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Light and variable wind.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Scattered flurries. Mostly sunny, with a high near 5. Wind chill values as low as -12. North wind 5 to 10 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a temperature falling to near -7 by 10pm, then rising to around 1 during the remainder of the night. Wind chill values as low as -21. Southwest wind 5 to 9 mph.
Monday
Sunny, with a high near 46. Wind chill values as low as -8 early. Southwest wind 9 to 16 mph becoming northwest in the morning. Winds could gust as high as 31 mph.
Monday Night
Partly cloudy, with a low around 10. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 34. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 17. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 42. Northwest wind around 7 mph becoming east in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Light and variable wind.
Thursday
Partly sunny, with a high near 38.
Thursday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 11.
Friday
A slight chance of snow. Partly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermosa SD
 43.84°N 103.19°W (Elev. 3383 ft)
11:41 am MST Jan 25, 2026
1pm MST Jan 25, 2026-6pm MST Jan 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database