(3:00PM – Tuesday, August 18th, 2026)
Severe Weather Threat Today/Tonight ⚡
While a few showers/t’storms have occurred this morning/afternoon across far Northern Illinois, the main focus is for later this afternoon into tonight across the state.
Scattered t’storms/severe t’storms are developing this afternoon across portions of Southeastern Minnesota, Northeastern Iowa and Central/Southern Wisconsin, along and a head of an advancing cold front. This activity will track southeastward, eventually into and across Northern Illinois from late this afternoon through early tonight. A severe weather threat will be possible with this activity, isolated to widely scattered in coverage.
Further south, a complex of t’storms/severe t’storms will develop this evening and early tonight across Kansas and Central Missouri. This activity will grow upscale into a complex (MCS), which may move into Southwestern Illinois and vicinity very late tonight or early Wednesday morning. Some severe weather threat will be possible with this activity, isolated in coverage.
PS: We’re sorry for the lack of coverage regarding today’s threat, as we’ve been troubleshooting issues with our graphics, which have now been resolved!
#ilwx #severeweather
