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

Severe Thunderstorms and Heavy Rain from the Southern Plains to the Ohio Valley; Wintry Mix in the Northeast

Numerous showers and thunderstorms, some severe, are expected from the southern Plains to the Ohio Valley. The repeating nature of some showers and thunderstorms may lead to isolated flash flooding across the Ohio Valley. An area of freezing rain, with some snow on the northern edge, will cause hazardous travel conditions over portions of New England. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Freezing Fog

30°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 30.14 in (1022.6 mb)
Dewpoint 30°F (-1°C)
Visibility 0.25 mi
Last update 3 Mar 9:53 pm CST
Extended Forecast for

Hayti SD

  • Tonight

    Tonight: Widespread fog before midnight, then areas of fog after 4am. Widespread freezing fog between midnight and 4am. Otherwise, mostly cloudy, with a low around 30. South wind 3 to 7 mph.

    Low: 30 °F

    Freezing Fog
    and Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 55. South wind 7 to 14 mph.

    High: 55 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between midnight and 4am. Otherwise, partly cloudy, with a low around 31. South southeast wind 7 to 10 mph.

    Low: 31 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Partly sunny, with a high near 61. South southeast wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. South southeast wind 10 to 14 mph becoming east northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 46. North wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 46 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain and snow before midnight, then a slight chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 24. North wind 10 to 17 mph becoming west northwest after midnight. Chance of precipitation is 50%.

    Low: 24 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 47. West northwest wind 10 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread fog before midnight, then areas of fog after 4am. Widespread freezing fog between midnight and 4am. Otherwise, mostly cloudy, with a low around 30. South wind 3 to 7 mph.
Wednesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 55. South wind 7 to 14 mph.
Wednesday Night
Patchy fog between midnight and 4am. Otherwise, partly cloudy, with a low around 31. South southeast wind 7 to 10 mph.
Thursday
Partly sunny, with a high near 61. South southeast wind 10 to 18 mph, with gusts as high as 28 mph.
Thursday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. South southeast wind 10 to 14 mph becoming east northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 46. North wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of rain and snow before midnight, then a slight chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 24. North wind 10 to 17 mph becoming west northwest after midnight. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 47. West northwest wind 10 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 34. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 62.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 32. Chance of precipitation is 20%.
Tuesday
A slight chance of rain and snow. Mostly cloudy, with a high near 44. Breezy. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hayti SD
 44.65°N 97.2°W (Elev. 1699 ft)
Last Update:
10:01 pm CST Mar 3, 2026
Forecast Valid:
10pm CST Mar 3, 2026-6pm CDT Mar 10, 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