Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

A Few Clouds

73°F

23°C

Humidity	90%
Wind Speed	NW 18 G 26 mph
Barometer	29.79 in (1007.4 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	31 Aug 1:53 am CDT

More Information:

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

Extended Forecast for

Vienna SD

Overnight
Low: 64 °F
Partly Cloudy
Monday
High: 82 °F
Becoming
Sunny
Monday Night
Low: 61 °F
Partly Cloudy
Tuesday
High: 80 °F
Partly Sunny
then Chance
Showers
Tuesday Night
Low: 60 °F
Showers
Likely
Wednesday
High: 83 °F
Mostly Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
then Chance
T-storms
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 66 °F
Mostly Clear

Detailed Forecast

Overnight

Partly cloudy, with a low around 64. North northwest wind 11 to 14 mph, with gusts as high as 30 mph.

Monday

Partly sunny, then gradually becoming sunny, with a high near 82. North northwest wind 5 to 9 mph becoming west in the afternoon.

Monday Night

Partly cloudy, with a low around 61. South wind 3 to 6 mph.

Tuesday

A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 80. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 60. East northeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Mostly sunny, with a high near 83. Southeast wind 8 to 10 mph.

Wednesday Night

A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. East southeast wind 10 to 13 mph. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 86. South wind 11 to 13 mph.

Thursday Night

Mostly clear, with a low around 66. Southeast wind around 8 mph.

Friday

Sunny, with a high near 89.

Friday Night

Mostly clear, with a low around 69.

Saturday

Mostly sunny, with a high near 87.

Saturday Night

A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.