Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. 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

82°F

28°C

Humidity	65%
Wind Speed	S 7 mph
Barometer	29.72 in (1005.0 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	30 Aug 7:53 pm CDT

More Information:

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

Extended Forecast for

5 Miles WSW Watertown SD

Tonight
Low: 64 °F
Partly Cloudy
Monday
High: 83 °F
Sunny
Monday Night
Low: 61 °F
Partly Cloudy
Tuesday
High: 82 °F
Becoming
Cloudy
Tuesday Night
Low: 62 °F
Showers
Likely
Wednesday
High: 84 °F
Mostly Sunny
Wednesday Night
Low: 65 °F
Mostly Clear
then Slight
Chance
T-storms
Thursday
High: 86 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 64. Southwest wind 6 to 9 mph becoming north northwest after midnight.

Monday

Sunny, with a high near 83. North northwest wind 5 to 10 mph.

Monday Night

Partly cloudy, with a low around 61. West southwest wind around 5 mph becoming light and variable.

Tuesday

Mostly sunny through mid morning, then becoming cloudy, with a high near 82. Calm wind becoming east around 6 mph in the morning.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 62. East wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Mostly sunny, with a high near 84. East southeast wind 6 to 10 mph.

Wednesday Night

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 65. East southeast wind 8 to 10 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 86. Southeast wind 9 to 13 mph.

Thursday Night

Mostly clear, with a low around 65. South southeast wind 6 to 9 mph.

Friday

Sunny, with a high near 88.

Friday Night

Mostly clear, with a low around 68.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.