Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

A Few Clouds

52°F

11°C

Humidity 32%
Wind Speed NW 20 mph
Barometer 29.93 in (1015.2 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 8 Dec 12:52 pm MST
Extended Forecast for

4 Miles WNW Colonial Pine Hills SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. Northwest wind 7 to 11 mph, with gusts as high as 30 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly between 11am and 5pm.  Mostly sunny, with a high near 54. Breezy, with a west wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 54 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 27. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.

    Low: 27 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely before 1pm, then rain and snow likely between 1pm and 4pm, then rain likely after 4pm.  Mostly cloudy, with a high near 43. Southwest wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of rain and snow.  Mostly cloudy, with a low around 28. Northwest wind 7 to 9 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 8am, then snow likely.  Mostly cloudy, with a high near 39. Northwest wind around 8 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    High: 39 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 10. Northwest wind around 6 mph, with gusts as high as 17 mph.

    Low: 10 °F

    Snow Likely

  • Friday

    Friday: A chance of snow.  Mostly cloudy, with a high near 19.

    High: 19 °F

    Chance Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. Northwest wind 7 to 11 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 30. West wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday
A 40 percent chance of rain, mainly between 11am and 5pm. Mostly sunny, with a high near 54. Breezy, with a west wind 14 to 22 mph, with gusts as high as 33 mph.
Tuesday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 27. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
Snow likely before 1pm, then rain and snow likely between 1pm and 4pm, then rain likely after 4pm. Mostly cloudy, with a high near 43. Southwest wind 5 to 7 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 28. Northwest wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 8am, then snow likely. Mostly cloudy, with a high near 39. Northwest wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 10. Northwest wind around 6 mph, with gusts as high as 17 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 19.
Friday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 7.
Saturday
A slight chance of snow. Partly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Colonial Pine Hills SD
 44.05°N 103.39°W (Elev. 4199 ft)
12:17 pm MST Dec 8, 2025
1pm MST Dec 8, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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