Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. 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

68°F

20°C

Humidity	78%
Wind Speed	W 7 mph
Barometer	29.96 in (1013.5 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	18 Aug 12:53 am CDT

More Information:

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

Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

Overnight
Low: 60 °F
Chance
Showers
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 79 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 59 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 61 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 57 °F
Mostly Clear

Detailed Forecast

Overnight

A chance of showers and thunderstorms between 2am and 4am, then a chance of showers after 4am. Partly cloudy early, then becoming cloudy, with a low around 60. Light west wind. Chance of precipitation is 40%.

Tuesday

Mostly cloudy through mid morning, then becoming sunny, with a high near 78. North northeast wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming calm in the evening.

Wednesday

A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny through mid morning, then becoming sunny, with a high near 79. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.

Wednesday Night

Mostly clear, with a low around 59. South southwest wind 5 to 8 mph.

Thursday

Sunny, with a high near 84. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.

Thursday Night

Mostly clear, with a low around 61. West northwest wind 5 to 8 mph becoming south in the evening.

Friday

Sunny, with a high near 82. North wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

Mostly clear, with a low around 57. North wind 6 to 10 mph.

Saturday

Sunny, with a high near 77.