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

29°F

-2°C

Humidity 63%
Wind Speed E 8 G 16 mph
Barometer 29.96 in (1017.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 14 Mar 11:53 am 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

  • This Afternoon

    This Afternoon: A chance of snow. Cloudy, with a high near 30. East wind 7 to 12 mph increasing to 13 to 18 mph. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 30 °F

    Chance Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 9pm. Low around 11. Blustery, with an east wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 11 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow, mainly before 10am. The snow could be heavy at times. Widespread blowing snow, mainly before 1pm. Temperature falling to around 12 by 5pm. Windy, with a north wind 31 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 21 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Patchy blowing snow before 1am. Partly cloudy, with a low around -6. Wind chill values as low as -26. Blustery, with a north northwest wind 17 to 25 mph, with gusts as high as 43 mph.

    Low: -6 °F

    Patchy
    Blowing Snow
    and Blustery

  • Monday

    Monday: Sunny and cold, with a high near 7. Northwest wind around 14 mph, with gusts as high as 26 mph.

    High: 7 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -6. Northwest wind 5 to 7 mph becoming light and variable.

    Low: -6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 1pm, then snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 32. South wind 8 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    High: 32 °F

    Chance Snow
    then Wintry
    Mix Likely

  • Tuesday Night

    Tuesday Night: A slight chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 23. South southwest wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. West northwest wind around 9 mph.

    High: 41 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of snow. Cloudy, with a high near 30. East wind 7 to 12 mph increasing to 13 to 18 mph. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 9pm. Low around 11. Blustery, with an east wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Sunday
Snow, mainly before 10am. The snow could be heavy at times. Widespread blowing snow, mainly before 1pm. Temperature falling to around 12 by 5pm. Windy, with a north wind 31 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Patchy blowing snow before 1am. Partly cloudy, with a low around -6. Wind chill values as low as -26. Blustery, with a north northwest wind 17 to 25 mph, with gusts as high as 43 mph.
Monday
Sunny and cold, with a high near 7. Northwest wind around 14 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around -6. Northwest wind 5 to 7 mph becoming light and variable.
Tuesday
A chance of snow before 1pm, then snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 32. South wind 8 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Tuesday Night
A slight chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 23. South southwest wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 41. West northwest wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 58.
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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:
11:47 am CDT Mar 14, 2026
Forecast Valid:
12pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation