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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

31°F

-1°C

Humidity 59%
Wind Speed NW 10 mph
Barometer 30.05 in (1019.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Feb 1:52 am MST
Extended Forecast for

2 Miles ESE New Underwood SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 28. Wind chill values as low as 20. Northwest wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56. Wind chill values as low as 20 early. Northwest wind around 5 mph becoming calm.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. Calm wind becoming southwest around 5 mph.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Calm wind becoming east around 6 mph in the afternoon.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. North wind around 5 mph becoming light and variable.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. Light and variable wind becoming northwest 5 to 7 mph in the morning.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. South wind around 6 mph becoming southwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. Southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 30.

    Low: 30 °F

    Decreasing
    Clouds

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 28. Wind chill values as low as 20. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 56. Wind chill values as low as 20 early. Northwest wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 23. Calm wind becoming southwest around 5 mph.
Friday
Sunny, with a high near 58. Calm wind becoming east around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 27. North wind around 5 mph becoming light and variable.
Saturday
Sunny, with a high near 58. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 29. South wind around 6 mph becoming southwest after midnight.
Sunday
Partly sunny, with a high near 62. Southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 30.
Washington's Birthday
Sunny, with a high near 60.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 32.
Tuesday
A chance of rain. Partly sunny, with a high near 56. Breezy.
Tuesday Night
A chance of rain and snow. Partly cloudy, with a low around 28.
Wednesday
A chance of rain and snow. Mostly sunny, with a high near 51. 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:
1:01 am MST Feb 12, 2026
Forecast Valid:
2am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
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Additional Resources

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