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

Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

18°F

-8°C

Humidity 81%
Wind Speed SE 7 mph
Barometer 30.23 in (1026.2 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 7 Feb 2:53 am CST
Extended Forecast for

Vienna SD

  • Overnight

    Overnight: Cloudy, with a low around 20. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 41. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 41 °F

    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. South wind 6 to 11 mph becoming north northwest after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. North northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. South southwest wind 7 to 10 mph becoming east after midnight.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 49. East southeast wind 7 to 10 mph.

    High: 49 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. North northwest wind around 11 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before noon. Mostly cloudy, with a high near 40. North northwest wind 9 to 14 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. North northwest wind around 8 mph becoming southeast after midnight.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 20. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Saturday
Mostly cloudy, with a high near 41. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Mostly cloudy, with a low around 25. South wind 6 to 11 mph becoming north northwest after midnight.
Sunday
Mostly sunny, with a high near 44. North northwest wind 6 to 10 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 33. South southwest wind 7 to 10 mph becoming east after midnight.
Monday
Mostly cloudy, with a high near 49. East southeast wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 29. North northwest wind around 11 mph.
Tuesday
A slight chance of snow before noon. Mostly cloudy, with a high near 40. North northwest wind 9 to 14 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 23. North northwest wind around 8 mph becoming southeast after midnight.
Wednesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Thursday
A chance of snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna SD
 44.71°N 97.47°W (Elev. 1798 ft)
Last Update:
2:36 am CST Feb 7, 2026
Forecast Valid:
2am CST Feb 7, 2026-6pm CST Feb 13, 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