Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

64°F

18°C

Humidity	96%
Wind Speed	NE 3 mph
Barometer	29.97 in (1015.4 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	19 Aug 3:56 am CDT

More Information:

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

Extended Forecast for

Santee NE

Overnight
Low: 69 °F
Chance
T-storms
Wednesday
High: 78 °F
Showers
Likely and
Patchy Fog
then Chance
T-storms
Wednesday Night
Low: 62 °F
Mostly Clear
Thursday
High: 86 °F
Becoming
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 84 °F
Slight Chance
T-storms
Friday Night
Low: 64 °F
Slight Chance
T-storms
Saturday
High: 82 °F
Sunny
Saturday Night
Low: 63 °F
Mostly Clear
then Slight
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 69. Light east northeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers and thunderstorms likely, mainly before 2pm. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. East wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Mostly clear, with a low around 62. East wind around 6 mph becoming south southwest after midnight.

Thursday

Partly sunny, then gradually becoming sunny, with a high near 86. South southwest wind 6 to 9 mph, with gusts as high as 16 mph.

Thursday Night

Mostly clear, with a low around 64. Southwest wind 3 to 7 mph.

Friday

A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 84. Light and variable wind becoming north around 6 mph in the afternoon.

Friday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Southeast wind 3 to 6 mph.

Saturday

Sunny, with a high near 82. East northeast wind 3 to 8 mph.

Saturday Night

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. East wind 5 to 7 mph.

Sunday

A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 79. South southeast wind 7 to 13 mph, with gusts as high as 20 mph.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southeast wind 7 to 11 mph, with gusts as high as 18 mph.

Monday

Mostly sunny, with a high near 82. South wind 7 to 10 mph, with gusts as high as 17 mph.

Monday Night

A slight chance of showers. Partly cloudy, with a low around 65. South southwest wind 5 to 8 mph.

Tuesday

Mostly sunny, with a high near 84. Light and variable wind becoming north northwest 5 to 8 mph in the morning.