Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fog/Mist

70°F

21°C

Humidity	100%
Wind Speed	S 6 mph
Barometer	29.89 in (1012.5 mb)
Dewpoint	70°F (21°C)
Visibility	5.00 mi
Last update	26 Jul 4:56 am CDT

More Information:

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

Extended Forecast for

5 Miles N Crofton NE

Extreme Heat Watch July 27, 12:00pm until July 27, 08:00pm

Extreme Heat Watch July 28, 12:00pm until July 28, 08:00pm

Click here for hazard details and duration

Extreme Heat Watch

Today
High: 89 °F
Becoming
Sunny
Tonight
Low: 71 °F
Partly Cloudy
Sunday
High: 96 °F
Sunny
Sunday Night
Low: 72 °F
Mostly Clear
Monday
High: 97 °F
Hot
Monday Night
Low: 70 °F
Chance
T-storms
Tuesday
High: 88 °F
Chance
T-storms
Tuesday Night
Low: 67 °F
T-storms
Likely
Wednesday
High: 78 °F
Chance
T-storms

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 89. South wind 7 to 11 mph, with gusts as high as 17 mph.

Tonight

Partly cloudy, with a low around 71. South southeast wind 8 to 10 mph, with gusts as high as 16 mph.

Sunday

Sunny, with a high near 96. Heat index values as high as 110. South wind 8 to 15 mph, with gusts as high as 23 mph.

Sunday Night

Mostly clear, with a low around 72. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

Monday

Sunny and hot, with a high near 97. South wind 6 to 10 mph becoming east in the morning. Winds could gust as high as 17 mph.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 10 mph becoming northeast after midnight. Winds could gust as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. East wind around 10 mph, with gusts as high as 17 mph.

Tuesday Night

Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 67. Northeast wind around 10 mph, with gusts as high as 16 mph.

Wednesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East northeast wind 9 to 13 mph, with gusts as high as 20 mph.

Wednesday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East northeast wind 8 to 11 mph, with gusts as high as 18 mph.

Thursday

A slight chance of showers. Mostly cloudy, with a high near 74. East wind 8 to 11 mph, with gusts as high as 18 mph.

Thursday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East wind 8 to 10 mph, with gusts as high as 16 mph.

Friday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. East southeast wind 8 to 13 mph, with gusts as high as 21 mph.