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 56%
Wind Speed NW 9 mph
Barometer 30.06 in (1019.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 12 Feb 4:52 am MST
Extended Forecast for

Rapid City SD

  • Today

    Today: Sunny, with a high near 55. Calm wind becoming northeast around 5 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Light west wind.

    Low: 29 °F

    Mostly Clear

  • Friday

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

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. Light west wind.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Calm wind becoming east around 6 mph in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Calm wind becoming west around 5 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. Light and variable wind becoming southwest 5 to 7 mph in the morning. 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 32. Light west wind.

    Low: 32 °F

    Decreasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 55. Calm wind becoming northeast around 5 mph.
Tonight
Mostly clear, with a low around 29. Light west wind.
Friday
Sunny, with a high near 58. Calm wind becoming east around 6 mph.
Friday Night
Mostly clear, with a low around 30. Light west wind.
Saturday
Sunny, with a high near 57. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 32. Calm wind becoming west around 5 mph after midnight.
Sunday
Partly sunny, with a high near 62. Light and variable wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Light west wind.
Washington's Birthday
Sunny, with a high near 62.
Monday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 34.
Tuesday
A chance of rain. Mostly sunny, with a high near 56.
Tuesday Night
A chance of rain and snow. Partly cloudy, with a low around 29.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
Last Update:
2:32 am MST Feb 12, 2026
Forecast Valid:
5am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation