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

Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

43°F

6°C

Humidity 60%
Wind Speed W 16 mph
Barometer 29.71 in (1007.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 12 Jan 11:53 pm CST
Extended Forecast for

Watertown SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. West wind around 17 mph, with gusts as high as 31 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Breezy, with a west northwest wind 16 to 23 mph, with gusts as high as 37 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 13. Blustery, with a north wind 16 to 20 mph, with gusts as high as 31 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 23. North wind 6 to 16 mph, with gusts as high as 28 mph.

    High: 23 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 36. Breezy, with a south wind 11 to 16 mph becoming west northwest 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight. Patchy blowing snow after 2am. Mostly cloudy, with a low around 16. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow likely, mainly before noon. Patchy blowing snow before noon. Mostly cloudy, with a high near 24. Blustery, with a north northwest wind 22 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.

    High: 24 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 1. Blustery, with a north northwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 1 °F

    Slight Chance
    Snow and
    Blustery

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. West wind around 17 mph, with gusts as high as 31 mph.
Tuesday
Partly sunny, with a high near 42. Breezy, with a west northwest wind 16 to 23 mph, with gusts as high as 37 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 13. Blustery, with a north wind 16 to 20 mph, with gusts as high as 31 mph.
Wednesday
Sunny, with a high near 23. North wind 6 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 13. Light and variable wind becoming south 5 to 10 mph after midnight.
Thursday
A chance of snow. Mostly cloudy, with a high near 36. Breezy, with a south wind 11 to 16 mph becoming west northwest 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 40%.
Thursday Night
Snow likely, mainly after midnight. Patchy blowing snow after 2am. Mostly cloudy, with a low around 16. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Friday
Snow likely, mainly before noon. Patchy blowing snow before noon. Mostly cloudy, with a high near 24. Blustery, with a north northwest wind 22 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 1. Blustery, with a north northwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 11.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 5.
M.L.King Day
Partly sunny, with a high near 21.
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:
11:36 pm CST Jan 12, 2026
Forecast Valid:
12am CST Jan 13, 2026-6pm CST Jan 19, 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