



Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend
Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
73°F
23°C
Humidity | 59% |
Wind Speed | SE 3 mph |
Barometer | 29.91 in (1012.0 mb) |
Dewpoint | 58°F (14°C) |
Visibility | 10.00 mi |
Last update | 9 Aug 10:53 am CDT |
Extended Forecast for
Vienna SD
Today
High: 81 °F
Sunny
Tonight
Low: 60 °F
Mostly Clear
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 59 °F
Mostly Clear
Monday
High: 83 °F
Sunny
Monday Night
Low: 62 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 81. Light west wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 60. West wind 7 to 10 mph.
Sunday
Mostly sunny, with a high near 77. West northwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 59. West northwest wind 5 to 7 mph becoming south after midnight.
Monday
Sunny, with a high near 83. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 62. South southwest wind around 9 mph.
Tuesday
Sunny, with a high near 82. West wind 7 to 9 mph becoming north northwest in the morning.
Tuesday Night
Mostly clear, with a low around 62. Northeast wind 7 to 9 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 85. South wind 9 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Vienna SD
44.71°N 97.47°W (Elev. 1798 ft)
44.71°N 97.47°W (Elev. 1798 ft)
10:45 am CDT Aug 9, 2025
11am CDT Aug 9, 2025-6pm CDT Aug 15, 2025