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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

72°F

22°C

Humidity	94%
Wind Speed	N 7 mph
Barometer	29.81 in (1008.5 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	8 Aug 9:53 pm CDT

More Information:

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

Extended Forecast for

Watertown SD

Tonight
Low: 61 °F
Slight Chance
T-storms then
Mostly Cloudy
Saturday
High: 77 °F
Becoming
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 78 °F
Mostly Sunny
Sunday Night
Low: 59 °F
Mostly Clear
Monday
High: 81 °F
Sunny
Monday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 61 °F
Mostly Clear

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 61. Northwest wind around 8 mph. Chance of precipitation is 20%.

Saturday

Partly sunny, then gradually becoming sunny, with a high near 77. Southwest wind 6 to 11 mph.

Saturday Night

Mostly clear, with a low around 59. South southwest wind 7 to 10 mph.

Sunday

Mostly sunny, with a high near 78. West northwest wind 6 to 10 mph.

Sunday Night

Mostly clear, with a low around 59. West northwest wind 5 to 7 mph becoming south southwest after midnight.

Monday

Sunny, with a high near 81. Southwest wind 6 to 9 mph.

Monday Night

Mostly clear, with a low around 60. Southwest wind around 6 mph.