Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. 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 55%
Wind Speed NW 17 mph
Barometer 30.04 in (1017.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 10 Dec 12:52 am MST
Extended Forecast for

2 Miles SSE Blackhawk SD

  • Overnight

    Overnight: Partly cloudy, with a low around 29. Northwest wind 14 to 17 mph, with gusts as high as 37 mph.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm.  Mostly cloudy, with a high near 46. Southwest wind 6 to 10 mph becoming southeast in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before 11pm.  Mostly cloudy, with a temperature rising to around 46 by 5am. West wind around 10 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain after 11am.  Partly sunny, with a high near 59. West wind 10 to 16 mph, with gusts as high as 33 mph.

    High: 59 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely before 9pm, then rain and snow likely between 9pm and 10pm, then snow likely after 10pm.  Mostly cloudy, with a low around 21. Northwest wind around 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: Snow likely.  Cloudy, with a high near 25. North wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 25 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Cloudy, with a low around 8. East wind around 7 mph, with gusts as high as 16 mph.

    Low: 8 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 11am.  Partly sunny, with a high near 19. Northeast wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 19 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 29. Northwest wind 14 to 17 mph, with gusts as high as 37 mph.
Wednesday
A chance of rain and snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 46. Southwest wind 6 to 10 mph becoming southeast in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a temperature rising to around 46 by 5am. West wind around 10 mph, with gusts as high as 23 mph.
Thursday
A 30 percent chance of rain after 11am. Partly sunny, with a high near 59. West wind 10 to 16 mph, with gusts as high as 33 mph.
Thursday Night
Rain likely before 9pm, then rain and snow likely between 9pm and 10pm, then snow likely after 10pm. Mostly cloudy, with a low around 21. Northwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Cloudy, with a high near 25. North wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 50 percent chance of snow. Cloudy, with a low around 8. East wind around 7 mph, with gusts as high as 16 mph.
Saturday
A chance of snow before 11am. Partly sunny, with a high near 19. Northeast wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Blackhawk SD
 44.12°N 103.3°W (Elev. 3599 ft)
11:12 pm MST Dec 9, 2025
1am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database