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Home Return to list Severe Thunderstorm Warning 0047 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2026-05-17 19:20:35
918
WUUS53 KFSD 180020
SVRFSD
IAC149-167-180100-
/O.NEW.KFSD.SV.W.0047.260518T0020Z-260518T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
720 PM CDT Sun May 17 2026
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Southeastern Sioux County in northwestern Iowa...
Northeastern Plymouth County in northwestern Iowa...
* Until 800 PM CDT.
* At 719 PM CDT, a severe thunderstorm was located near Alton, or
near Orange City, moving northeast at 20 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Orange City, Alton, and Granville around 725 PM CDT.
Hospers around 735 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
Iowa.
&&
LAT...LON 4304 9623 4312 9587 4283 9586 4281 9612
TIME...MOT...LOC 0019Z 243DEG 19KT 4293 9605
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
BP
Action: Cancelled Issued At: 2026-05-17 19:49:06 982 WWUS53 KFSD 180048 SVSFSD Severe Weather Statement National Weather Service Sioux Falls SD 748 PM CDT Sun May 17 2026 IAC149-167-180058- /O.CAN.KFSD.SV.W.0047.000000T0000Z-260518T0100Z/ Sioux IA-Plymouth IA- 748 PM CDT Sun May 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SIOUX AND NORTHEASTERN PLYMOUTH COUNTIES IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 1000 PM CDT for northwestern Iowa. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Sioux Falls. && LAT...LON 4304 9623 4312 9587 4283 9586 4281 9612 TIME...MOT...LOC 0046Z 243DEG 19KT 4300 9586 $$ BP | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||