Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99° N Lon: 96.16° W Elev: 1409 ft.

A Few Clouds

90°F

32°C

Humidity 63%
Wind Speed S 17 G 32 mph
Barometer 29.62 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 29 Jun 6:15 pm CDT
Detailed forecast for

Plymouth County

Tonight
Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Breezy with lows in the lower 70s. South winds 20 to 25 mph with gusts up to 35 mph, becoming southwest 5 to 10 mph after midnight. Chance of rain 70 percent. Heat index values up to 106 early this evening.
Tuesday
Sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 40 percent.
Tuesday Night
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 70 percent.
Wednesday
Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. South winds 15 to 20 mph. Chance of rain 50 percent.
Wednesday Night
Mostly clear in the evening, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming south around 5 mph after midnight. Chance of rain 40 percent.
Thursday
Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.
Thursday Night
Becoming partly cloudy after midnight. A chance of thunderstorms. Showers likely, mainly in the evening. Lows around 70. Chance of rain 70 percent.
Friday
Sunny. Highs in the lower 90s. Heat index values up to 100 in the afternoon.
Friday Night
Mostly clear in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 100 early in the evening.
Independence Day
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values in the upper 90s in the afternoon.
Saturday Night
Becoming mostly cloudy after midnight. A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 60s. Chance of rain 70 percent. Heat index values in the upper 90s early in the evening.
Sunday
Mostly sunny. Highs in the mid 80s.
Sunday Night
Mostly clear. Lows in the lower 60s.
Monday
Mostly sunny. Highs in the upper 80s.



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309 PM CDT Mon Jun 29 2026
 
 

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