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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

28°F

-2°C

Humidity 58%
Wind Speed Calm
Barometer 30.04 in (1019.6 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 13 Mar 7:53 pm CDT
Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

Blizzard Warning March 15, 03:00am until March 15, 07:00pm
Winter Storm Warning March 14, 07:00pm until March 15, 03:00am
Click here for hazard details and duration
Blizzard Warning
Winter Storm Warning

  • Tonight

    Tonight: A chance of snow after 1am. Mostly cloudy, with a low around 22. Light and variable wind becoming east southeast around 6 mph in the evening. Chance of precipitation is 40%.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow likely before 2pm, then a chance of snow after 3pm. Cloudy, with a high near 31. East southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 11pm. Low around 14. Blustery, with an east wind 18 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 14 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow, mainly before 1pm. Widespread blowing snow, mainly before 1pm. High near 22. Windy, with a north wind 29 to 32 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Snow and
    Blowing Snow

  • Sunday Night

    Sunday Night: Patchy blowing snow before midnight. Partly cloudy, with a low around -5. Blustery, with a north northwest wind 15 to 24 mph, with gusts as high as 41 mph.

    Low: -5 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny and cold, with a high near 8. North northwest wind around 14 mph, with gusts as high as 23 mph.

    High: 8 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -8. Northwest wind 6 to 10 mph becoming south southwest after midnight.

    Low: -8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 31. South wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

    High: 31 °F

    Slight Chance
    Snow then
    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain, snow, and freezing rain before 1am. Mostly cloudy, with a low around 22. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Wintry Mix

Detailed Forecast

Tonight
A chance of snow after 1am. Mostly cloudy, with a low around 22. Light and variable wind becoming east southeast around 6 mph in the evening. Chance of precipitation is 40%.
Saturday
Snow likely before 2pm, then a chance of snow after 3pm. Cloudy, with a high near 31. East southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 11pm. Low around 14. Blustery, with an east wind 18 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Sunday
Snow, mainly before 1pm. Widespread blowing snow, mainly before 1pm. High near 22. Windy, with a north wind 29 to 32 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Patchy blowing snow before midnight. Partly cloudy, with a low around -5. Blustery, with a north northwest wind 15 to 24 mph, with gusts as high as 41 mph.
Monday
Sunny and cold, with a high near 8. North northwest wind around 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around -8. Northwest wind 6 to 10 mph becoming south southwest after midnight.
Tuesday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 31. South wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Tuesday Night
A slight chance of rain, snow, and freezing rain before 1am. Mostly cloudy, with a low around 22. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Watertown Municipal Airport SD
 44.97°N 97.12°W (Elev. 1745 ft)
Last Update:
7:36 pm CDT Mar 13, 2026
Forecast Valid:
8pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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