Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. 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	57%
Wind Speed	SW 12 G 20 mph
Barometer	29.77 in (1007.7 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	30 Aug 10:56 pm CDT

More Information:

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

Extended Forecast for

5 Miles WSW Yankton SD

Tonight
Low: 70 °F
Partly Cloudy
Monday
High: 90 °F
Decreasing
Clouds
Monday Night
Low: 67 °F
Increasing
Clouds
Tuesday
High: 88 °F
Slight Chance
T-storms
Tuesday Night
Low: 66 °F
Showers
Likely
Wednesday
High: 89 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Chance
T-storms
Thursday
High: 92 °F
Mostly Sunny
Thursday Night
Low: 69 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 70. West wind 7 to 9 mph, with gusts as high as 17 mph.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 90. North northwest wind 3 to 8 mph. Winds could gust as high as 17 mph.

Monday Night

Increasing clouds, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming east 5 to 8 mph in the afternoon.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. East northeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Mostly sunny, with a high near 89. East wind 3 to 7 mph.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 68. Southeast wind 5 to 7 mph.

Thursday

Mostly sunny, with a high near 92. South southeast wind 5 to 9 mph.

Thursday Night

Mostly clear, with a low around 69. South southeast wind 5 to 7 mph.

Friday

Sunny, with a high near 92. Light south southeast wind becoming southeast 5 to 10 mph in the morning.

Friday Night

Mostly clear, with a low around 70. South southeast wind 6 to 9 mph.