Hazardous Weather Outlook
Issued by NWS Central Illinois

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
226
FLUS43 KILX 181000
HWOILX

Hazardous Weather Outlook
National Weather Service Lincoln IL
500 AM CDT Mon Aug 18 2025

ILZ027>031-036>038-040>057-061>063-066>068-071>073-191000-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-
Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
500 AM CDT Mon Aug 18 2025

This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.

.DAY ONE...Today and tonight.

The combination of heat and humidity will result in heat indices
between 100 and 105 degrees this afternoon.

Scattered thunderstorms are possible this afternoon and tonight (20
to 50% chance). Any storm that develops will be capable of frequent
lightning, heavy rain, and locally strong winds.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The combination of heat and humidity will result in heat indices
near 100 degrees Tuesday afternoon.

There is a 30-50% chance of thunderstorms Tuesday. Severe weather is
not expected, but locally heavy rain and frequent lightning are
possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

$$

25