The National Weather Service has issued a Tornado Watch for Sioux County in effect until 9pm tonight. 
062040
WCNFSD
WATCH COUNTY NOTIFICATION FOR WATCH 262
NATIONAL WEATHER SERVICE SIOUX FALLS SD
340 PM CDT SAT JUN 6 2015
IAC119-149-167-193-MNC081-117-133-NEC043-051-SDC003-005-009-011-
015-023-027-035-043-053-061-067-073-077-079-083-087-097-099-101-
111-125-127-135-070200-
/O.NEW.KFSD.TO.A.0262.150606T2040Z-150607T0200Z/
THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 262 IN
EFFECT UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREAS
IN IOWA THIS WATCH INCLUDES 4 COUNTIES
IN NORTHWEST IOWA
LYON IA PLYMOUTH SIOUX
WOODBURY
Address/Location
Sioux County Sheriff's Office
4363 Ironwood Ave., Ste 1
Orange City, IA 51250
Contact
Emergency: 9-1-1
Non-emergencies: 712-737-3307