Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.91°NLon: -97.17°WElev: 1745ft.

Overcast

9°F

-13°C

Humidity 61%
Wind Speed SE 18 G 30 mph
Barometer 30.13 in (1024.8 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 13 Feb 4:53 pm CST
Extended Forecast for

Watertown SD

Winter Weather Advisory February 13, 06:00pm until February 14, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • This
    Afternoon

    This Afternoon: A chance of snow.  Patchy blowing snow. Cloudy, with a high near 13. Breezy, with a south southeast wind around 21 mph.  Chance of precipitation is 30%.

    Chance Snow
    and Patchy
    Blowing Snow

    High: 13 °F

  • Tonight

    Tonight: Snow, mainly after 8pm.  Patchy blowing snow. Low around 11. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Snow and
    Patchy
    Blowing Snow

    Low: 11 °F

  • Sunday

    Sunday: Snow, mainly before 9am.  High near 27. South southeast wind 8 to 16 mph becoming west in the afternoon.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Snow then
    Slight Chance
    Snow

    High: 27 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 19. West wind around 9 mph.

    Mostly Cloudy

    Low: 19 °F

  • Washington's
    Birthday

    Washington's Birthday: Partly sunny, with a high near 34. West wind 9 to 13 mph.

    Partly Sunny

    High: 34 °F

  • Monday
    Night

    Monday Night: A chance of snow.  Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Chance Snow

    Low: 21 °F

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 27.

    Mostly Cloudy

    High: 27 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of snow.  Mostly cloudy, with a low around 14. Chance of precipitation is 20%.

    Slight Chance
    Snow

    Low: 14 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 29.

    Partly Sunny

    High: 29 °F

Detailed Forecast

This Afternoon
A chance of snow. Patchy blowing snow. Cloudy, with a high near 13. Breezy, with a south southeast wind around 21 mph. Chance of precipitation is 30%.
Tonight
Snow, mainly after 8pm. Patchy blowing snow. Low around 11. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow, mainly before 9am. High near 27. South southeast wind 8 to 16 mph becoming west in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 19. West wind around 9 mph.
Washington's Birthday
Partly sunny, with a high near 34. West wind 9 to 13 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 27.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 40. Breezy.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 40. Breezy.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 37.
Click Map For Forecast
Point Forecast:
Watertown SD
 44.91°N 97.17°W (Elev. 1755 ft)
5:12 pm CST Feb 13, 2016
5pm CST Feb 13, 2016-6pm CST Feb 20, 2016
 
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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