Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Light Rain Fog/Mist

58°F

14°C

Humidity	97%
Wind Speed	N 9 mph
Barometer	30.17 in (1022.8 mb)
Dewpoint	57°F (14°C)
Visibility	4.00 mi
Last update	21 Sep 3:56 pm CDT

More Information:

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

Extended Forecast for

3 Miles S Yankton SD

This Afternoon
High: 58 °F
Chance Rain
and Patchy
Fog
Tonight
Low: 54 °F
Patchy Fog
Tuesday
High: 62 °F
Patchy Fog
then Mostly
Cloudy
Tuesday Night
Low: 52 °F
Mostly Cloudy
Wednesday
High: 66 °F
Chance
Showers
Wednesday Night
Low: 55 °F
Chance
Showers then
Showers
Thursday
High: 70 °F
Chance
Showers
Thursday Night
Low: 56 °F
Chance
Showers
Friday
High: 68 °F
Chance
Showers

Detailed Forecast

This Afternoon

A 30 percent chance of rain, mainly before 5pm. Patchy fog. Otherwise, cloudy, with a high near 58. Northeast wind around 7 mph.

Tonight

Patchy fog. Otherwise, cloudy, with a steady temperature around 54. East northeast wind 3 to 7 mph.

Tuesday

Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 62. East southeast wind 5 to 11 mph, with gusts as high as 18 mph.

Tuesday Night

Mostly cloudy, with a low around 52. Southeast wind around 10 mph, with gusts as high as 17 mph.

Wednesday

A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 66. Southeast wind 10 to 16 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 55. Southeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 70. South southeast wind 10 to 13 mph, with gusts as high as 22 mph.

Thursday Night

A chance of showers, mainly after 1am. Mostly cloudy, with a low around 56. Southeast wind 7 to 9 mph.

Friday

A chance of showers. Mostly cloudy, with a high near 68. Southeast wind 8 to 15 mph, with gusts as high as 24 mph.

Friday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.

Saturday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.

Saturday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East southeast wind 6 to 9 mph becoming north after midnight. Winds could gust as high as 17 mph.

Sunday

Partly sunny, with a high near 74. North northeast wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 16 mph.

Sunday Night

A slight chance of showers. Partly cloudy, with a low around 59. East southeast wind around 6 mph.

Monday

A chance of showers. Partly sunny, with a high near 74. South southeast wind 6 to 13 mph, with gusts as high as 21 mph.