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FLUS43 KILX 151954
HWOILX

Hazardous Weather Outlook
National Weather Service Lincoln IL
254 PM CDT Sat Aug 15 2026

ILZ027>031-036>038-040>048-053-161200-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Macon-
254 PM CDT Sat Aug 15 2026

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

.DAY ONE...Tonight.

Thunderstorm activity is likely again tonight, mainly north of I-72.
Locally strong to severe storms and flash flooding are possible. The
main severe weather threat will be isolated damaging winds up to 60
mph.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hot and humid conditions will peak Sunday, with afternoon heat
indices in the mid to upper 90s.

Thunderstorm chances continue Sunday afternoon into Sunday evening,
with some strong to severe with damaging winds the main threat.
Locally heavy rainfall will also be a threat.

Due to the heavy rainfall from last night, several rivers are or will
be in flood for the next several days. These rivers include the
Illinois, Spoon, Mackinaw, and Sangamon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late tonight.

Expected storm motion is toward the east around at 35 mph.

$$

ILZ049>052-054>057-061>063-066>068-071>073-161200-
Scott-Morgan-Sangamon-Christian-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
254 PM CDT Sat Aug 15 2026

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

.DAY ONE...Tonight.

Isolated thunderstorms are possible late tonight. Locally strong to
severe storms and flash flooding are possible. The main severe
weather threat will be isolated damaging winds up to 60 mph.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hot and humid conditions will peak Sunday, with afternoon heat
indices ranging from 98 to 105 degrees.

Thunderstorm chances continue Sunday afternoon into Sunday evening,
with some strong to severe with damaging winds the main threat.
Locally heavy rainfall will also be a threat.

Due to the heavy rainfall from last night, several rivers are or will
be in flood for the next several days. These rivers include the
Illinois, Sangamon, and Vermilion.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late tonight.

Expected storm motion is toward the east around at 35 mph.

$$

Auten