Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92° N Lon: 97.38° W Elev: 1306 ft.

Fair

71°F

22°C

Humidity	76%
Wind Speed	N 9 mph
Barometer	29.89 in (1012.7 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	13 Jun 8:56 pm CDT

More Information:

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

Detailed forecast for

Knox County

Tonight

Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 20 percent.

Saturday

Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.

Saturday Night

Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. South winds 10 to 15 mph. Chance of rain 50 percent.

Sunday

Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 40 percent.

Sunday Night

Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 40 percent.

Monday

Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.

Monday Night

Showers likely. A chance of thunderstorms in the evening, then thunderstorms likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.

Tuesday

A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.

Tuesday Night

Showers likely with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 70 percent.

Wednesday

Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of rain 50 percent.

Wednesday Night

Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s.

Juneteenth

Sunny. Highs in the mid 80s.

Thursday Night

Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent.

Friday

Mostly sunny. Highs in the upper 80s.