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

Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

35°F

2°C

Humidity 82%
Wind Speed S 15 mph
Barometer 30.05 in (1020.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 2 Mar 12:53 pm CST
Extended Forecast for

Watertown SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 38. South wind around 10 mph, with gusts as high as 21 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South wind 6 to 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog between 7am and 11am. Otherwise, mostly sunny, with a high near 45. South wind around 6 mph becoming calm in the afternoon.

    High: 45 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 29. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 29 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, sunny, with a high near 52. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. South wind around 8 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 58. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 58 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after midnight. Mostly cloudy, with a low around 36. Southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 44. East northeast wind 10 to 18 mph becoming north in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 50%.

    High: 44 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 38. South wind around 10 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 28. South wind 6 to 10 mph.
Tuesday
Patchy fog between 7am and 11am. Otherwise, mostly sunny, with a high near 45. South wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 29. Calm wind becoming south 5 to 8 mph after midnight.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 52. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 31. South wind around 8 mph.
Thursday
Partly sunny, with a high near 58. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 36. Southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 44. East northeast wind 10 to 18 mph becoming north in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 46. Breezy.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 53. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
12:31 pm CST Mar 2, 2026
Forecast Valid:
1pm CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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