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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

23°F

-5°C

Humidity 96%
Wind Speed S 9 mph
Barometer 29.83 in (1013.2 mb)
Dewpoint 22°F (-6°C)
Visibility 6.00 mi
Wind Chill13°F (-11°C)
Last update 8 Dec 3:53 pm CST
Extended Forecast for

Clark SD

Winter Weather Advisory December 9, 06:00am until December 9, 12:00pm
High Wind Warning December 9, 06:00pm until December 10, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
High Wind Warning
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 28. Southwest wind around 15 mph, with gusts as high as 24 mph.

    High: 28 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 24. West wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain or freezing rain before 2pm, then a chance of rain.  High near 38. Breezy, with a south southwest wind 9 to 14 mph becoming west 21 to 26 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.

    High: 38 °F

    Rain/Freezing
    Rain Likely
    then Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm, then a chance of snow.  Mostly cloudy, with a low around 12. Windy, with a northwest wind 28 to 33 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 55 mph.  Chance of precipitation is 30%.

    Low: 12 °F

    Windy. Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 15. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 15 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly after midnight.  Cloudy, with a low around 8. North wind 6 to 10 mph becoming east southeast after midnight.  Chance of precipitation is 40%.

    Low: 8 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 18. East southeast wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.

    High: 18 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around -4. North northwest wind 13 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 50%.

    Low: -4 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy and cold, with a high near 5. Northwest wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 5 °F

    Cold

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 28. Southwest wind around 15 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a steady temperature around 24. West wind 8 to 15 mph, with gusts as high as 23 mph.
Tuesday
Rain or freezing rain before 2pm, then a chance of rain. High near 38. Breezy, with a south southwest wind 9 to 14 mph becoming west 21 to 26 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.
Tuesday Night
A chance of rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 12. Windy, with a northwest wind 28 to 33 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 15. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
A chance of snow, mainly after midnight. Cloudy, with a low around 8. North wind 6 to 10 mph becoming east southeast after midnight. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 18. East southeast wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around -4. North northwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Friday
Mostly cloudy and cold, with a high near 5. Northwest wind 14 to 18 mph, with gusts as high as 29 mph.
Friday Night
A chance of snow after midnight. Mostly cloudy, with a low around -11. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy and cold, with a high near 1. Chance of precipitation is 40%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around -9. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 13.
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ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.88°N 97.75°W (Elev. 1808 ft)
3:46 pm CST Dec 8, 2025
4pm CST Dec 8, 2025-6pm CST Dec 14, 2025
 
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