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 >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

18°F

-8°C

Humidity 96%
Wind Speed S 15 mph
Barometer 29.89 in (1015.7 mb)
Dewpoint 17°F (-8°C)
Visibility 1.75 mi
Wind Chill4°F (-16°C)
Last update 8 Dec 12:53 pm CST
Extended Forecast for

Lake Norden SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 31. South wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. West wind 6 to 13 mph.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain or freezing rain before noon, then rain likely.  Mostly cloudy, with a high near 39. Breezy, with a south southwest wind 6 to 11 mph becoming west 19 to 29 mph. Winds could gust as high as 50 mph.  Chance of precipitation is 70%. Little or no ice accumulation expected.

    High: 39 °F

    Chance
    Rain/Freezing
    Rain then
    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain before 8pm, then a slight chance of snow after 10pm.  Mostly cloudy, with a low around 13. Windy, with a west northwest wind 23 to 33 mph, with gusts as high as 55 mph.  Chance of precipitation is 30%.

    Low: 13 °F

    Windy. Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 18. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 18 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow after midnight.  Cloudy, with a low around 7. North northwest wind 5 to 7 mph becoming east southeast after midnight.  Chance of precipitation is 30%.

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 19. East southeast wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.

    High: 19 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around -3. North northwest wind 11 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    Low: -3 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy and cold, with a high near 8. Northwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 8 °F

    Cold

Detailed Forecast

This Afternoon
Partly sunny, with a high near 31. South wind 9 to 11 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 21. West wind 6 to 13 mph.
Tuesday
A chance of rain or freezing rain before noon, then rain likely. Mostly cloudy, with a high near 39. Breezy, with a south southwest wind 6 to 11 mph becoming west 19 to 29 mph. Winds could gust as high as 50 mph. Chance of precipitation is 70%. Little or no ice accumulation expected.
Tuesday Night
A chance of rain before 8pm, then a slight chance of snow after 10pm. Mostly cloudy, with a low around 13. Windy, with a west northwest wind 23 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 18. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
A chance of snow after midnight. Cloudy, with a low around 7. North northwest wind 5 to 7 mph becoming east southeast after midnight. Chance of precipitation is 30%.
Thursday
A chance of snow. Mostly cloudy, with a high near 19. East southeast wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around -3. North northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday
Mostly cloudy and cold, with a high near 8. Northwest wind 13 to 17 mph, with gusts as high as 28 mph.
Friday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around -10. Chance of precipitation is 20%.
Saturday
A chance of snow. Mostly cloudy and cold, with a high near 2. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around -9.
Sunday
Partly sunny, with a high near 14.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Norden SD
 44.59°N 97.2°W (Elev. 1660 ft)
12:31 pm CST Dec 8, 2025
1pm CST Dec 8, 2025-6pm CST Dec 14, 2025
 
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Additional Resources

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