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

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

40°F

4°C

Humidity 45%
Wind Speed NW 15 G 30 mph
Barometer 29.96 in (1016.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Dec 12:53 pm MST
Extended Forecast for

Edgemont SD

High Wind Warning December 9, 08:00am until December 10, 02:00am
Click here for hazard details and duration
High Wind Warning
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 50. West wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Wind chill values as low as 16. West wind 7 to 17 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 5pm.  Mostly sunny, with a high near 58. Very windy, with a west wind 23 to 28 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 60 mph.

    High: 58 °F

    Chance Rain
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 9pm, then a chance of snow.  Mostly cloudy, with a low around 28. Windy, with a northwest wind 21 to 31 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 47 mph.  Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow and
    Windy then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then rain and snow likely between 10am and noon, then rain likely after noon.  Mostly cloudy, with a high near 42. West wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 29. West wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%.

    Low: 29 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain and snow before 9am, then a chance of rain between 9am and 4pm, then a chance of rain and snow after 4pm.  Mostly cloudy, with a high near 42. Northwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 9pm, then a chance of snow.  Mostly cloudy, with a low around 13. Northwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 13 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before 11am.  Mostly cloudy, with a high near 22.

    High: 22 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 50. West wind 10 to 14 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 27. Wind chill values as low as 16. West wind 7 to 17 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of rain, mainly after 5pm. Mostly sunny, with a high near 58. Very windy, with a west wind 23 to 28 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 60 mph.
Tuesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 28. Windy, with a northwest wind 21 to 31 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 47 mph. Chance of precipitation is 30%.
Wednesday
A chance of snow before 10am, then rain and snow likely between 10am and noon, then rain likely after noon. Mostly cloudy, with a high near 42. West wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 29. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Thursday
A chance of rain and snow before 9am, then a chance of rain between 9am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 42. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 13. Northwest wind around 11 mph, with gusts as high as 18 mph.
Friday
A chance of snow before 11am. Mostly cloudy, with a high near 22.
Friday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Edgemont SD
 43.29°N 103.83°W (Elev. 3589 ft)
12:17 pm MST Dec 8, 2025
1pm MST Dec 8, 2025-6pm MST Dec 14, 2025
 
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