Headline:
Severe Thunderstorm Warning issued September 18 at 8:14PM MDT until September 18 at 8:30PM MDT by NWS Cheyenne WY
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
September 18, 2026 - 7:14pm
Expires:
September 18, 2026 - 7:30pm
Description:
At 814 PM MDT, a severe thunderstorm was located near Harrison, or 33
miles east of Lusk, moving east 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.
Locations impacted include...
Harrison and Fort Robinson State Park.
Instruction:
For your protection move to an interior room on the lowest floor of a
building.
Area Description:
Sioux, NE
Forcast Office:
NWS Cheyenne WY
Sender:
w-nws.webmaster@noaa.gov