Heavy Rain Expected Tonight and Friday Night with Flash Flooding Possible

Periods of rain & thunderstorms are expected into Saturday, with areas of heavy rain likely tonight and again Friday night. The heavy rains will bring a potential for flash flooding, as well as additional rises on area rivers & creeks. Monitor the latest river levels and rainfall forecasts here. Read More >

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

64°F

18°C

Humidity	96%
Wind Speed	E 15 mph
Barometer	30.22 in (1024.3 mb)
Dewpoint	63°F (17°C)
Visibility	7.00 mi
Last update	20 Jun 4:56 pm CDT

More Information:

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

Extended Forecast for

6 Miles N Menno SD

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

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 70 °F
Chance
T-storms
Tonight
Low: 66 °F
Chance
T-storms then
Heavy Rain
Friday
High: 87 °F
Chance
T-storms
Friday Night
Low: 68 °F
T-storms
Likely
Saturday
High: 80 °F
Chance
T-storms
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 93 °F
Sunny

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 70. East southeast wind around 15 mph, with gusts as high as 20 mph.

Tonight

Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Low around 66. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Friday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.

Friday Night

Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 68. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Saturday

A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 80. West southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

Saturday Night

Mostly clear, with a low around 63. North northwest wind 5 to 10 mph becoming west after midnight.

Sunday

Sunny, with a high near 84.

Sunday Night

Mostly clear, with a low around 66.

Monday

Sunny, with a high near 93.

Monday Night

Mostly clear, with a low around 68.

Tuesday

Sunny, with a high near 86.