National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

21°F

-6°C

Humidity 68%
Wind Speed S 10 mph
Barometer 30.28 in (1028.6 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 11 Jan 10:53 am CST
Extended Forecast for

Lily SD

  • Today

    Today: Sunny, with a high near 36. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 36 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 24. West wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny through mid morning, then becoming sunny, with a high near 41. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 41 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. West wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Breezy, with a west northwest wind 15 to 22 mph, with gusts as high as 36 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 18. North northwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. North wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 23 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 37. Breezy, with a south wind 14 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 36. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 24. West wind 7 to 13 mph, with gusts as high as 21 mph.
Monday
Partly sunny through mid morning, then becoming sunny, with a high near 41. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 35. West wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 42. Breezy, with a west northwest wind 15 to 22 mph, with gusts as high as 36 mph.
Tuesday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 18. North northwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 28. North wind 7 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 21. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 23 mph.
Thursday
A chance of snow. Partly sunny, with a high near 37. Breezy, with a south wind 14 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.
Thursday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 60%.
Friday
A chance of snow. Mostly cloudy, with a high near 26. Blustery. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 3. Blustery.
Saturday
Partly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lily SD
 45.2°N 97.67°W (Elev. 1841 ft)
Last Update:
10:36 am CST Jan 11, 2026
Forecast Valid:
11am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation