Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

88°F

31°C

Humidity	54%
Wind Speed	S 17 mph
Barometer	29.94 in (1012.4 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	29 Jul 5:53 pm CDT

More Information:

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

Extended Forecast for

3 Miles NNW Clark SD

Heat Advisory July 29, 06:16pm until July 29, 09:00pm

Click here for hazard details and duration

...

Heat Advisory July 29, 06:16pm until July 29, 09:00pm
NOW until 9:00pm Wed
Heat Advisory
Tonight
Low: 70 °F
Patchy Smoke
Thursday
High: 79 °F
Chance
T-storms then
Heavy Rain
Thursday Night
Low: 62 °F
Heavy Rain
then Chance
Showers
Friday
High: 79 °F
Patchy Smoke
then Sunny
Friday Night
Low: 59 °F
Mostly Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 62 °F
Clear
Sunday
High: 81 °F
Sunny then
Sunny and
Breezy

Detailed Forecast

Tonight

Patchy smoke. Mostly cloudy, with a low around 70. South southeast wind 10 to 14 mph, with gusts as high as 22 mph.

Thursday

Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. High near 79. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Some of the storms could produce heavy rainfall. Low around 62. Northeast wind 9 to 15 mph becoming east southeast in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Patchy smoke before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind 15 to 18 mph, with gusts as high as 26 mph.

Friday Night

Mostly clear, with a low around 59. North wind 5 to 11 mph.

Saturday

Sunny, with a high near 81. East northeast wind around 6 mph becoming south in the morning.

Saturday Night

Clear, with a low around 62. South wind 6 to 13 mph.

Sunday

Sunny, with a high near 81. Breezy, with a south wind 15 to 23 mph, with gusts as high as 33 mph.

Sunday Night

Mostly clear, with a low around 66. Breezy, with a south southeast wind around 22 mph, with gusts as high as 34 mph.