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.

Overcast

32°F

0°C

Humidity 73%
Wind Speed SW 9 mph
Barometer 30.11 in (1022.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 9 Jan 4:53 pm CST
Extended Forecast for

Hayti SD

  • This Afternoon

    This Afternoon: A chance of flurries. Mostly cloudy, with a steady temperature around 30. West wind around 8 mph.

    High: 30 °F

    Chance
    Flurries

  • Tonight

    Tonight: A slight chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West northwest wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 22. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 31 mph.

    High: 22 °F

    Sunny then
    Sunny and
    Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. Northwest wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36. South southwest wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. West wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 37. West wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain. Partly sunny, with a high near 45. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain and
    Breezy

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a steady temperature around 30. West wind around 8 mph.
Tonight
A slight chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West northwest wind 8 to 10 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 22. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 9. Northwest wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 36. South southwest wind 5 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 25. West wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 45. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Monday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 37. West wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain. Partly sunny, with a high near 45. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 29. Blustery. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hayti SD
 44.65°N 97.2°W (Elev. 1699 ft)
Last Update:
5:31 pm CST Jan 9, 2026
Forecast Valid:
5pm CST Jan 9, 2026-6pm CST Jan 16, 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