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.

Light Rain Fog/Mist

63°F

17°C

Humidity	100%
Wind Speed	NE 13 mph
Barometer	30.23 in (1024.6 mb)
Dewpoint	63°F (17°C)
Visibility	4.00 mi
Last update	20 Jun 3:56 pm CDT

More Information:

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

Extended Forecast for

Irene SD

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

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 71 °F
Showers
Likely
Tonight
Low: 67 °F
Heavy Rain
Friday
High: 88 °F
Chance
T-storms
Friday Night
Low: 69 °F
T-storms
Likely
Saturday
High: 80 °F
Chance
T-storms
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 85 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 93 °F
Sunny

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 71. East southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before 4am. Some of the storms could produce heavy rainfall. Low around 67. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Friday

A 40 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 88. 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 69. South 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. 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.

Sunday

Sunny, with a high near 85.

Sunday Night

Mostly clear, with a low around 66.

Monday

Sunny, with a high near 93.

Monday Night

A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70.

Tuesday

Sunny, with a high near 87.