Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

84°F

29°C

Humidity	37%
Wind Speed	S 7 mph
Barometer	30.08 in (1019.0 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	27 Aug 4:56 pm CDT

More Information:

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

Extended Forecast for

2 Miles SE Hartington NE

Tonight
Low: 62 °F
Mostly Clear
then Slight
Chance
Showers
Friday
High: 86 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Friday Night
Low: 70 °F
Breezy.
Partly Cloudy
then Chance
T-storms
Saturday
High: 91 °F
Partly Sunny
and Breezy
then Sunny
Saturday Night
Low: 73 °F
Partly Cloudy
Sunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Partly Cloudy
Monday
High: 87 °F
Partly Sunny
Monday Night
Low: 67 °F
Chance
T-storms

Detailed Forecast

Tonight

A 20 percent chance of showers after 3am. Partly cloudy, with a low around 62. South wind 3 to 6 mph.

Friday

Mostly sunny, with a high near 86. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

Friday Night

A 50 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 70. Breezy, with a south wind 16 to 21 mph, with gusts as high as 31 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Mostly cloudy, then gradually becoming sunny, with a high near 91. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 31 mph.

Saturday Night

Partly cloudy, with a low around 73. South wind 8 to 10 mph, with gusts as high as 20 mph.

Sunday

Mostly sunny, with a high near 91. Southwest wind 6 to 8 mph.

Sunday Night

Partly cloudy, with a low around 71. South southwest wind around 6 mph.

Monday

Partly sunny, with a high near 87. West northwest wind 5 to 9 mph becoming east southeast in the afternoon. Winds could gust as high as 17 mph.

Monday Night

A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southeast wind around 6 mph becoming calm in the evening.

Tuesday

A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the morning.

Tuesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind 3 to 6 mph.

Wednesday

Mostly sunny, with a high near 88. South wind 3 to 8 mph. Winds could gust as high as 16 mph.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind around 6 mph.

Thursday

Partly sunny, with a high near 87. South wind 6 to 8 mph, with gusts as high as 16 mph.