Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Rain Fog/Mist

63°F

17°C

Humidity	93%
Wind Speed	SE 12 mph
Barometer	30.07 in (1017.8 mb)
Dewpoint	61°F (16°C)
Visibility	4.00 mi
Last update	3 Aug 2:53 am CDT

More Information:

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

Extended Forecast for

Henry SD

Overnight
Low: 60 °F
Showers
Likely
Sunday
High: 71 °F
Chance
T-storms then
Slight Chance
T-storms
Sunday Night
Low: 61 °F
Chance
T-storms
Monday
High: 78 °F
Chance
T-storms
Monday Night
Low: 63 °F
Slight Chance
T-storms
Tuesday
High: 79 °F
Slight Chance
T-storms and
Breezy
Tuesday Night
Low: 65 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 83 °F
Slight Chance
T-storms
Wednesday Night
Low: 67 °F
Mostly Clear
then Slight
Chance
T-storms

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm. Areas of smoke. Mostly cloudy, with a low around 60. South southeast wind around 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers and thunderstorms, mainly before 10am. Patchy smoke before 4pm. Cloudy, with a high near 71. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 61. South wind 8 to 10 mph. Chance of precipitation is 40%.

Monday

A chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly cloudy, with a high near 78. South wind 8 to 11 mph. Chance of precipitation is 30%.

Monday Night

A slight chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 63. South southeast wind around 10 mph. Chance of precipitation is 20%.

Tuesday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 79. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tuesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southeast wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

Wednesday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. South southeast wind 8 to 10 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 86.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 88.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.