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

26°F

-3°C

Humidity 63%
Wind Speed NE 3 mph
Barometer 30.06 in (1020.3 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 13 Mar 8:53 pm CDT
Extended Forecast for

Willow Lake SD

Blizzard Warning March 15, 01:00am until March 15, 07:00pm
Winter Storm Warning March 14, 07:00pm until March 15, 01:00am
Click here for hazard details and duration
Blizzard Warning
Winter Storm Warning

  • Tonight

    Tonight: Snow, mainly after 4am. Low around 23. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 23 °F

    Cloudy then
    Snow

  • Saturday

    Saturday: Snow before 10am, then a chance of snow after 4pm. Patchy blowing snow after 1pm. High near 35. Breezy, with an east southeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow then
    Chance Snow
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 15. Windy, with an east wind 22 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 15 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow, mainly before 1pm. Widespread blowing snow, mainly after 4pm. High near 23. Windy, with a north wind 34 to 38 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 23 °F

    Snow and
    Blowing Snow

  • Sunday Night

    Sunday Night: Areas of blowing snow before 2am. Mostly clear, with a low around -4. Windy, with a north northwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 41 mph.

    Low: -4 °F

    Areas Blowing
    Snow and
    Windy

  • Monday

    Monday: Mostly sunny and cold, with a high near 9. North northwest wind around 15 mph.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. Northwest wind 7 to 10 mph becoming southeast after midnight.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 32. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

    High: 32 °F

    Breezy.
    Slight Chance
    Snow then
    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 26. South wind 11 to 17 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Snow, mainly after 4am. Low around 23. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow before 10am, then a chance of snow after 4pm. Patchy blowing snow after 1pm. High near 35. Breezy, with an east southeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 15. Windy, with an east wind 22 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday
Snow, mainly before 1pm. Widespread blowing snow, mainly after 4pm. High near 23. Windy, with a north wind 34 to 38 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Areas of blowing snow before 2am. Mostly clear, with a low around -4. Windy, with a north northwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 41 mph.
Monday
Mostly sunny and cold, with a high near 9. North northwest wind around 15 mph.
Monday Night
Partly cloudy, with a low around -4. Northwest wind 7 to 10 mph becoming southeast after midnight.
Tuesday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 32. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Tuesday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 26. South wind 11 to 17 mph becoming west after midnight. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Willow Lake SD
 44.62°N 97.65°W (Elev. 1762 ft)
Last Update:
8:37 pm CDT Mar 13, 2026
Forecast Valid:
9pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation