Heat Wave Continues in the Northeastern Quarter of the U.S.; Excessive Rain May Bring Flooding in the North Central U.S.

The heat wave is expected to peak in the eastern Great Lakes and New England today, and the Ohio Valley and Mid-Atlantic Friday into the weekend. Widespread daily record high temperatures are likely. Heavy to excessive rainfall will be associated with thunderstorms forecast to move across parts of the northern Plains and Upper Midwest today into Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Rain

59°F

15°C

Humidity	93%
Wind Speed	Vrbl 6 mph
Barometer	30.21 in (1023.0 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	20 Jun 7:53 pm CDT

More Information:

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

Extended Forecast for

5 Miles ENE Florence SD

Flood Watch June 20, 08:08pm until June 22, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch June 20, 08:08pm until June 22, 07:00am
NOW until 7:00am Sat
Flood Watch
Tonight
Low: 58 °F
T-storms
Likely then
T-storms
Friday
High: 71 °F
Chance
T-storms then
Heavy Rain
Friday Night
Low: 61 °F
T-storms then
Chance
T-storms
Saturday
High: 75 °F
Chance
T-storms
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 79 °F
Sunny
Sunday Night
Low: 61 °F
Mostly Clear
Monday
High: 86 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and thunderstorms, mainly before 4am. Low around 58. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 71. East wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Friday Night

Showers and thunderstorms, mainly before midnight. Low around 61. East wind 7 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

A chance of showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Northwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Saturday Night

Mostly clear, with a low around 59. West wind 6 to 10 mph.

Sunday

Sunny, with a high near 79. West northwest wind 7 to 10 mph.

Sunday Night

Mostly clear, with a low around 61. North wind 6 to 9 mph becoming southeast after midnight.

Monday

Mostly sunny, with a high near 86. South southwest wind 13 to 17 mph, with gusts as high as 29 mph.

Monday Night

A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63. South southwest wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

Tuesday

Sunny, with a high near 80.

Tuesday Night

Mostly clear, with a low around 57.

Wednesday

Sunny, with a high near 76.

Wednesday Night

A chance of showers and thunderstorms. Mostly clear, with a low around 58. Chance of precipitation is 30%.

Thursday

A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 30%.