Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. 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

58°F

14°C

Humidity	87%
Wind Speed	N 3 mph
Barometer	29.98 in (1014.6 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	10 Aug 4:53 am CDT

More Information:

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

Extended Forecast for

4 Miles ESE Castlewood SD

Today
High: 83 °F
Mostly Sunny
Tonight
Low: 62 °F
Chance
T-storms
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Slight Chance
T-storms then
Chance
Showers
Wednesday
High: 80 °F
Mostly Sunny
Wednesday Night
Low: 59 °F
Slight Chance
T-storms
Thursday
High: 74 °F
Mostly Cloudy
Thursday Night
Low: 55 °F
Mostly Cloudy
Friday
High: 72 °F
Slight Chance
T-storms then
Chance
Showers

Detailed Forecast

Today

Mostly sunny, with a high near 83. Light east northeast wind becoming east southeast 5 to 10 mph in the morning.

Tonight

A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 62. East southeast wind 6 to 9 mph. Chance of precipitation is 50%.

Tuesday

Mostly sunny, with a high near 82. North northeast wind 6 to 8 mph becoming east in the afternoon.

Tuesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 62. East wind 3 to 5 mph. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 80. East northeast wind 5 to 8 mph.

Wednesday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.

Thursday

Mostly cloudy, with a high near 74. East northeast wind 9 to 11 mph, with gusts as high as 20 mph.

Thursday Night

Mostly cloudy, with a low around 55. East northeast wind 6 to 9 mph.

Friday

A chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 72. East southeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

Saturday

A chance of showers and thunderstorms. Cloudy, with a high near 71. Chance of precipitation is 30%.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

Sunday

A slight chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 20%.