Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

35°F

2°C

Humidity 89%
Wind Speed SE 5 mph
Barometer 29.99 in (1017.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 3 Mar 12:53 am CST
Extended Forecast for

6 Miles WSW Watertown SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Calm wind becoming south southeast around 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. South wind around 6 mph becoming calm  in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 31. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 31 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, sunny, with a high near 53. South southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. South wind 8 to 10 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 59. South southeast wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 36. South southeast wind 10 to 13 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 50%.

    Low: 36 °F

    Chance Rain

  • Friday

    Friday: Rain likely.  Mostly cloudy, with a high near 44. North wind 10 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain, snow, and freezing rain before midnight, then a slight chance of snow. Some thunder is also possible.  Mostly cloudy, with a low around 23. North wind 13 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%.

    Low: 23 °F

    Chance Wintry
    Mix then
    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Calm wind becoming south southeast around 6 mph.
Tuesday
Mostly sunny, with a high near 46. South wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 31. Calm wind becoming south 5 to 8 mph in the evening.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 53. South southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 32. South wind 8 to 10 mph.
Thursday
Partly sunny, with a high near 59. South southeast wind 10 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36. South southeast wind 10 to 13 mph becoming east northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Friday
Rain likely. Mostly cloudy, with a high near 44. North wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Friday Night
A chance of rain, snow, and freezing rain before midnight, then a slight chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 23. North wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 42. Breezy.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
12:41 am CST Mar 3, 2026
1am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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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