Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

66°F

19°C

Humidity	96%
Wind Speed	N 5 mph
Barometer	29.83 in (1010.2 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	1 Jul 5:56 am CDT

More Information:

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

Extended Forecast for

4 Miles SW Yankton SD

Today
High: 92 °F
Slight Chance
T-storms then
Mostly Sunny
Tonight
Low: 67 °F
Increasing
Clouds
Thursday
High: 93 °F
Partly Sunny
then Chance
Showers
Thursday Night
Low: 69 °F
Showers
Likely
Friday
High: 95 °F
Mostly Sunny
Friday Night
Low: 68 °F
T-storms
Likely then
Showers
Likely
Independence Day
High: 92 °F
Partly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 66 °F
Showers
Likely
Sunday
High: 91 °F
Mostly Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 92. South wind 8 to 11 mph, with gusts as high as 20 mph.

Tonight

Increasing clouds, with a low around 67. Southwest wind 5 to 7 mph becoming calm in the evening.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. Light and variable wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

Thursday Night

A slight chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 69. South southeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Mostly sunny, with a high near 95. South wind around 8 mph, with gusts as high as 17 mph.

Friday Night

Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East wind 5 to 9 mph becoming north northeast after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Independence Day

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Northwest wind 5 to 7 mph becoming northeast in the afternoon.

Saturday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Northeast wind 5 to 8 mph becoming light and variable after midnight.

Sunday

Mostly sunny, with a high near 91. Calm wind becoming east southeast around 6 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 66. East southeast wind 3 to 7 mph.

Monday

Mostly sunny, with a high near 93. Light southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southeast wind 5 to 9 mph, with gusts as high as 16 mph.

Tuesday

Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.