Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the 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

78°F

26°C

Humidity	82%
Wind Speed	S 13 mph
Barometer	29.82 in (1008.3 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	15 Jul 1:53 am CDT

More Information:

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

Extended Forecast for

4 Miles ESE Castlewood SD

Overnight
Low: 70 °F
Partly Cloudy
Tuesday
High: 86 °F
Slight Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 59 °F
Heavy Rain
Wednesday
High: 64 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 50 °F
Slight Chance
Showers
Thursday
High: 71 °F
Mostly Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
Friday
High: 77 °F
Chance
Showers
Friday Night
Low: 62 °F
Chance
T-storms

Detailed Forecast

Overnight

Partly cloudy, with a low around 70. South wind around 14 mph.

Tuesday

A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 86. South wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

Tuesday Night

Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 59. North northeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Wednesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. North northeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

Wednesday Night

A slight chance of showers. Mostly cloudy, with a low around 50. North northeast wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 71. North northeast wind around 8 mph becoming east southeast in the afternoon.

Thursday Night

Partly cloudy, with a low around 54. East southeast wind 7 to 9 mph.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 7 to 10 mph. Chance of precipitation is 50%.

Saturday

Partly sunny, with a high near 78.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 20%.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 20%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Monday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 20%.