Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

52°F

11°C

Humidity 32%
Wind Speed E 5 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 24 Dec 3:52 am MST
Extended Forecast for

3 Miles N Black Hawk SD

  • Today

    Today: Mostly sunny, with a high near 57. West wind 5 to 7 mph becoming east in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature falling to near 41 by 8pm, then rising to around 47 during the remainder of the night. South wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 65. Breezy, with a south wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 65 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. West wind 13 to 18 mph, with gusts as high as 31 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. West wind around 14 mph, with gusts as high as 26 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Breezy, with a northwest wind 14 to 24 mph, with gusts as high as 39 mph.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A slight chance of snow before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Blustery, with a northwest wind 21 to 23 mph, with gusts as high as 39 mph.

    Low: 13 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 29. Blustery.

    High: 29 °F

    Sunny and
    Blustery

Detailed Forecast

Today
Mostly sunny, with a high near 57. West wind 5 to 7 mph becoming east in the afternoon.
Tonight
Mostly cloudy, with a temperature falling to near 41 by 8pm, then rising to around 47 during the remainder of the night. South wind 7 to 14 mph, with gusts as high as 20 mph.
Christmas Day
Partly sunny, with a high near 65. Breezy, with a south wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
Mostly clear, with a low around 41. Southwest wind around 10 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 62. West wind 13 to 18 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 38. West wind around 14 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 47. Breezy, with a northwest wind 14 to 24 mph, with gusts as high as 39 mph.
Saturday Night
A slight chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Blustery, with a northwest wind 21 to 23 mph, with gusts as high as 39 mph.
Sunday
Sunny, with a high near 29. Blustery.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Black Hawk SD
 44.2°N 103.25°W (Elev. 3199 ft)
4:21 am MST Dec 24, 2025
4am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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Additional Resources

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