Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

39°F

4°C

Humidity 45%
Wind Speed SW 15 G 24 mph
Barometer 29.95 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Dec 11:15 pm MST
Extended Forecast for

3 Miles WNW Whitewood SD

High Wind Watch December 9, 08:00am until December 9, 11:00pm
Click here for hazard details and duration
High Wind Watch
  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 37 by 5am. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. Breezy, with a west wind 18 to 25 mph, with gusts as high as 38 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 36 by 9pm, then rising to around 45 during the remainder of the night. Breezy, with a west wind 16 to 26 mph, with gusts as high as 37 mph.

    Low: 36 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A chance of rain before 4pm, then a chance of rain and snow.  Partly sunny, with a temperature rising to near 50 by 10am, then falling to around 39 during the remainder of the day. Windy, with a west wind 29 to 36 mph, with gusts as high as 48 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Windy. Chance
    Rain then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 30. Blustery, with a northwest wind 16 to 25 mph, with gusts as high as 39 mph.

    Low: 30 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: Snow before noon, then rain and snow between noon and 2pm, then rain after 2pm.  High near 39. Southwest wind 13 to 15 mph becoming south in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain before midnight, then rain and snow likely between midnight and 3am, then snow likely after 3am.  Low around 23. Blustery, with a west wind 13 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 23 °F

    Rain then
    Rain/Snow
    Likely and
    Blustery

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 29. Northwest wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 29 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 6.

    Low: 6 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 37 by 5am. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 43. Breezy, with a west wind 18 to 25 mph, with gusts as high as 38 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 36 by 9pm, then rising to around 45 during the remainder of the night. Breezy, with a west wind 16 to 26 mph, with gusts as high as 37 mph.
Tuesday
A chance of rain before 4pm, then a chance of rain and snow. Partly sunny, with a temperature rising to near 50 by 10am, then falling to around 39 during the remainder of the day. Windy, with a west wind 29 to 36 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 16 to 25 mph, with gusts as high as 39 mph.
Wednesday
Snow before noon, then rain and snow between noon and 2pm, then rain after 2pm. High near 39. Southwest wind 13 to 15 mph becoming south in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain before midnight, then rain and snow likely between midnight and 3am, then snow likely after 3am. Low around 23. Blustery, with a west wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 29. Northwest wind 14 to 18 mph, with gusts as high as 29 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 6.
Friday
A chance of snow. Mostly cloudy, with a high near 15.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6.
Saturday
A slight chance of snow. Partly sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Whitewood SD
 44.49°N 103.7°W (Elev. 3730 ft)
9:42 pm MST Dec 7, 2025
11pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

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