textproduct: Central Illinois
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- The severe weather risk has ended across central and southeast Illinois this evening. - Multiple rounds of showers and thunderstorms will lead to a risk for areas of flooding, especially in portions of east-central and southeast IL where a Flood Watch is in effect until Sunday morning.
..Severe Weather Friday
Friday afternoon and evening could see another round of severe thunderstorms, especially south of I-70 where a Slight Risk has been designated by SPC in response to several hundred J/kg CAPE and strong deep layer shear.
37
AVIATION
(For the 06z TAFs through 06z Thursday Night) Issued at 1254 AM CDT Thu Apr 3 2025
VFR conditions will prevail through the entire 06z TAF period. Mid/high clouds currently overhead will temporarily thin over the next few hours before returning from the SW on Thursday. Models indicate showers will develop across Missouri then spread northeastward across south-central Illinois during the afternoon and evening, but exactly how far north the precip reaches remains in question. Given the dry boundary layer profile, have sided with the further south HRRR for this forecast issuance. As such, have only mentioned VCSH after 23z at KPIA/KBMI...while including predominant showers with ceilings down to around 3500ft at the I-72 terminals after 22z/23z.
Barnes
ILX WATCHES/WARNINGS/ADVISORIES
Flood Watch through Sunday morning for ILZ054>057-061>063- 066>068-071>073.
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