Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. 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

83°F

28°C

Humidity	53%
Wind Speed	E 10 G 17 mph
Barometer	29.89 in (1011.1 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	12 Aug 3:53 pm CDT

More Information:

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

Extended Forecast for

Castlewood SD

This Afternoon
High: 84 °F
Mostly Sunny
Tonight
Low: 63 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 78 °F
Showers
Likely then
Partly Sunny
Thursday Night
Low: 60 °F
Mostly Cloudy
Friday
High: 77 °F
Partly Sunny
Friday Night
Low: 63 °F
Mostly Cloudy
Saturday
High: 79 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 59 °F
Chance
Showers
Sunday
High: 77 °F
Partly Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 84. East wind around 11 mph.

Tonight

A chance of showers and thunderstorms. Patchy smoke before 11pm, then patchy smoke after 3am. Cloudy, with a low around 63. East wind 7 to 9 mph. Chance of precipitation is 50%.

Thursday

Showers and thunderstorms likely, mainly before 8am. Patchy smoke before 8am. Mostly cloudy, with a high near 78. East northeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Mostly cloudy, with a low around 60. East northeast wind 8 to 11 mph, with gusts as high as 20 mph.

Friday

Partly sunny, with a high near 77. East wind 10 to 15 mph, with gusts as high as 24 mph.

Friday Night

Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph.

Saturday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. South southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 59. North wind 5 to 7 mph. Chance of precipitation is 30%.

Sunday

Partly sunny, with a high near 77. North northeast wind 7 to 10 mph.

Sunday Night

Partly cloudy, with a low around 54.

Monday

Mostly sunny, with a high near 78.

Monday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

Tuesday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 20%.