Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

71°F

22°C

Humidity	94%
Wind Speed	S 7 mph
Barometer	30.02 in (1015.6 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	15 Aug 12:53 am CDT

More Information:

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

Extended Forecast for

5 Miles NNE Watertown Municipal Airport SD

Overnight
Low: 69 °F
Slight Chance
Showers and
Patchy Fog
Saturday
High: 81 °F
Areas Fog
then Partly
Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 56 °F
Mostly Clear
Monday
High: 80 °F
Slight Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 60 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 77 °F
Showers
Likely
Tuesday Night
Low: 54 °F
Chance
T-storms

Detailed Forecast

Overnight

A chance of sprinkles before 3am, then a slight chance of showers between 3am and 4am, then a chance of sprinkles after 4am. Patchy fog. Otherwise, cloudy, with a steady temperature around 69. South wind 6 to 8 mph. Chance of precipitation is 20%.

Saturday

A chance of sprinkles between 1pm and 3pm. Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

Saturday Night

Partly cloudy, with a low around 59. North northwest wind 7 to 10 mph.

Sunday

Sunny, with a high near 77. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.

Monday

A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 80. South wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Monday Night

A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 60. West southwest wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 40%.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Light and variable wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 70%.

Tuesday Night

A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 54. North wind 5 to 8 mph. Chance of precipitation is 40%.

Wednesday

Mostly sunny, with a high near 73.

Wednesday Night

Partly cloudy, with a low around 54.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%.

Friday

Sunny, with a high near 79.