Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

71°F

22°C

Humidity	76%
Wind Speed	SE 12 mph
Barometer	30.16 in (1022.2 mb)
Dewpoint	63°F (17°C)
Visibility	9.00 mi
Last update	2 Aug 7:56 pm CDT

More Information:

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

Extended Forecast for

4 Miles WSW Wynot NE

Tonight
Low: 62 °F
Mostly Clear
then Heavy
Rain
Sunday
High: 76 °F
Showers
Likely then
Slight Chance
T-storms
Sunday Night
Low: 62 °F
Chance
T-storms
Monday
High: 80 °F
Chance
T-storms
Monday Night
Low: 63 °F
Chance
T-storms then
Partly Cloudy
Tuesday
High: 81 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Chance
T-storms
Wednesday
High: 87 °F
Slight Chance
T-storms
Wednesday Night
Low: 71 °F
Mostly Clear
then Slight
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Areas of smoke after 3am. Increasing clouds, with a low around 62. South southeast wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms after 2pm. Areas of smoke before 7am. Mostly cloudy, with a high near 76. South wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind 8 to 11 mph, with gusts as high as 17 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 80. South wind 8 to 11 mph, with gusts as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of thunderstorms before 7pm. Partly cloudy, with a low around 63. South southeast wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Mostly sunny, with a high near 81. South southeast wind 8 to 17 mph, with gusts as high as 24 mph.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. South southeast wind around 14 mph, with gusts as high as 22 mph.

Wednesday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. South wind 11 to 14 mph, with gusts as high as 21 mph.

Wednesday Night

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. South southeast wind around 9 mph.

Thursday

Mostly sunny, with a high near 90. South wind 8 to 13 mph, with gusts as high as 20 mph.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 17 mph.

Friday

Mostly sunny, with a high near 90. South wind 9 to 13 mph, with gusts as high as 20 mph.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind 8 to 10 mph, with gusts as high as 16 mph.

Saturday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southwest wind 8 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.