Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

4°F

-16°C

Humidity	63%
Wind Speed	N 7 mph
Barometer	30.65 in (1042.8 mb)
Dewpoint	-6°F (-21°C)
Visibility	10.00 mi
Wind Chill	-8°F (-22°C)
Last update	30 Jan 3:53 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

This Afternoon
High: 5 °F
Cold
Tonight
Low: -10 °F
Mostly Clear
Saturday
High: 20 °F
Snow and
Patchy
Blowing Snow
Saturday Night
Low: 15 °F
Snow and
Patchy
Blowing Snow
then Snow
Likely
Sunday
High: 31 °F
Mostly Cloudy
then Patchy
Blowing Snow
Sunday Night
Low: 10 °F
Mostly Cloudy
Monday
High: 23 °F
Partly Sunny
Monday Night
Low: 11 °F
Slight Chance
Snow
Tuesday
High: 23 °F
Slight Chance
Snow

Detailed Forecast

This Afternoon

Sunny and cold, with a high near 5. North wind around 6 mph.

Tonight

Mostly clear, with a low around -10. Wind chill values as low as -23. Calm wind becoming south 5 to 8 mph after midnight.

Saturday

Snow, mainly after 4pm. Patchy blowing snow after 11am. High near 20. Wind chill values as low as -23. Breezy, with a south wind 9 to 14 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday Night

Snow, mainly before 1am. Patchy blowing snow before midnight. Low around 15. Breezy, with a south southwest wind 20 to 25 mph becoming west southwest 11 to 16 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Sunday

Patchy blowing snow between noon and 2pm. Mostly cloudy, with a high near 31. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.

Sunday Night

Mostly cloudy, with a low around 10. Northwest wind 5 to 9 mph becoming calm after midnight.

Monday

Partly sunny, with a high near 23. East southeast wind 3 to 7 mph.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 11. East wind around 6 mph. Chance of precipitation is 20%.

Tuesday

A slight chance of snow. Mostly cloudy, with a high near 23. East wind 6 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 20%.

Tuesday Night

Mostly cloudy, with a low around 10.

Wednesday

Partly sunny, with a high near 25.

Wednesday Night

Mostly cloudy, with a low around 17.

Thursday

Mostly sunny, with a high near 37.