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 >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

8°F

-13°C

Humidity 80%
Wind Speed Calm
Barometer 30.35 in (1031.3 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 11 Jan 2:53 am CST
Extended Forecast for

Goodwin SD

  • Overnight

    Overnight: Mostly clear, with a low around 7. Light west wind.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 37. Breezy, with a light west southwest wind becoming southwest 17 to 22 mph in the morning. Winds could gust as high as 36 mph.

    High: 37 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Breezy, with a west wind 14 to 21 mph, with gusts as high as 32 mph.

    Low: 36 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Breezy, with a west northwest wind 21 to 25 mph, with gusts as high as 38 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. Blustery, with a north northwest wind 21 to 23 mph, with gusts as high as 34 mph.

    Low: 16 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 27 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. North wind 6 to 14 mph becoming south in the evening. Winds could gust as high as 23 mph.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 7. Light west wind.
Sunday
Mostly sunny, with a high near 37. Breezy, with a light west southwest wind becoming southwest 17 to 22 mph in the morning. Winds could gust as high as 36 mph.
Sunday Night
Partly cloudy, with a low around 27. West wind 11 to 18 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 36. Breezy, with a west wind 14 to 21 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 44. Breezy, with a west northwest wind 21 to 25 mph, with gusts as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 16. Blustery, with a north northwest wind 21 to 23 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 27. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
Mostly cloudy, with a low around 19. North wind 6 to 14 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. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 50%.
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 14.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Goodwin SD
 44.89°N 96.81°W (Elev. 1909 ft)
Last Update:
3:36 am CST Jan 11, 2026
Forecast Valid:
3am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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