Today, residents can expect a pleasant autumn day, with temperatures reaching the mid to upper 60s under mostly sunny skies.
The brief stretch of calm weather, however, will shift as clouds start to build this evening, setting the stage for a more unsettled pattern beginning on Sunday.
This weather shift will bring multiple rounds of rain and storms through Tuesday, with rain chances highest to the west and northwest of St. Louis on Sunday.
By Sunday night, thunderstorm activity is anticipated to increase across the metro area, marking the start of a particularly active period for Monday and Tuesday.
Heavy rain is possible across Missouri; cooler temperatures return after midweek’s cold front.Rainfall totals are forecast to be widespread and substantial, particularly benefiting areas experiencing dry conditions.
The heaviest rain is expected across central and northeast Missouri, where some regions could see accumulations of more than 4 inches.
In contrast, rain totals will likely taper off to the east, with around an inch predicted in southern Illinois.
Temperatures will remain mild despite the wet conditions, hovering in the 70s through Tuesday.
However, cooler air will follow in the wake of a passing cold front midweek, dropping daytime highs back to the 60s for Wednesday through Friday.
For ongoing updates on weather developments, readers are encouraged to check FOX 2’s latest news, weather forecasts, sports coverage, and streaming video.