- Special Weather Statement issued May 20 at 5:33AM CDT until May 20 at 7:30AM CDT by NWS
- Effective: 5:33 a.m. on Saturday, May 20, 2017
- Expires: 7:30 a.m. on Saturday, May 20, 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN GREENE...
NORTHWESTERN MADISON...SOUTHERN MACOUPIN AND EASTERN JERSEY COUNTIES
IN SOUTHWESTERN ILLINOIS...NORTHEASTERN ST. CHARLES AND NORTHEASTERN
ST. LOUIS COUNTIES IN EAST CENTRAL MISSOURI UNTIL 615 AM CDT...
At 533 AM CDT, Doppler radar was tracking a strong thunderstorm over
West Alton, moving north at 40 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Florissant, Alton, Godfrey, Wood River, Bethalto, Jerseyville, Black
Jack, Gillespie, Spanish Lake, East Alton, Brighton, Bunker Hill,
Benld, Roxana, Hartford, Elsah, Shipman, Wilsonville, West Alton and
Portage Des Sioux.
This also includes Confluence State Park.
- See more at NOAA