Weather
Southern Illinois Weather Oct. 14-18: Storms, Then Frost Risk
Paducah, KY – A dramatic weather change is approaching western Kentucky, southern Illinois, southeast Missouri and southwest Indiana as temperatures near 90 degrees give way to thunderstorms, much coo
By Sophie Caldwell · 2026-10-13T18:28:21.656Z
Paducah, KY – A dramatic weather change is approaching western Kentucky, southern Illinois, southeast Missouri and southwest Indiana as temperatures near 90 degrees give way to thunderstorms, much cooler conditions and the possibility of frost by the weekend.
According to the National Weather Service in Paducah, temperatures will remain well above normal through midweek before a cold front moves across the region Wednesday, Oct. 14, and Thursday, Oct. 15.
Forecasters warn that some thunderstorms could become strong as the front passes through, followed by a substantial drop in temperatures.
Wednesday and Thursday: Near 90 Degrees With Storms
Wednesday, Oct. 14, brings highs between 80 and 90 degrees, with showers and thunderstorms developing from the west. Rain chances reach approximately 80%, with overnight lows between 65 and 70 degrees.
Thursday, Oct. 15, remains unusually warm, with highs from 84 to 90 degrees and a 60% chance of showers and thunderstorms, mainly across northern portions of the forecast area.
Wet roads, lightning and periods of reduced visibility could affect travel during thunderstorms.
Friday Through Sunday: Colder Air and Frost Potential
By Friday, Oct. 16, temperatures are forecast to fall into the 60s, with decreasing clouds and highs between 60 and 68 degrees.
Saturday, Oct. 17, brings mostly sunny skies and highs of 60 to 65 degrees. Overnight temperatures could drop into the upper 30s and lower 40s.
The coldest conditions are expected early Sunday, Oct. 18, when lows could reach 34 to 39 degrees, creating the potential for frost in some communities.
Sunday afternoon temperatures should recover into the upper 60s and lower 70s.
Residents with sensitive outdoor plants should monitor updated forecasts as the weekend approaches.
The National Weather Service continues to monitor the approaching front and the potential for strong thunderstorms and frost.