Central Illinois
Weather Forecast Office
635
FLUS43 KILX 151644
HWOILX
Hazardous Weather Outlook
National Weather Service Lincoln IL
1144 AM CDT Fri May 15 2026
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1144 AM CDT Fri May 15 2026
This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.
.DAY ONE...This afternoon and tonight.
Thunderstorms are possible late tonight across west central Illinois,
mainly west of I-57. Widespread severe weather is not expected with
any of these storms; but there is a marginal risk that some of the
storms could become severe, with hail up to 1 inch and damaging
wind gusts up to 60 mph the main threats.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
There is a moderate heat risk Sunday through Tuesday as temperatures
warm well into the 80s. This will primarily affect those who are
sensitive to heat, especially those without cooling or hydration.
Daily severe weather is possible across portions of central Illinois
through Tuesday, but the Monday and Tuesday period hold the greatest
risk for widespread, high-impact storms.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated through tonight.
$$
Auten
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Central Illinois
1362 State Route 10
Lincoln, IL 62656
217-732-7321 (forecast recording) or 217-732-3089
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