Louisville woke Wednesday to mostly cloudy skies and temperatures in the low 70s, but the quiet start will not last. Showers could arrive by late morning, with thunderstorms becoming more likely through the afternoon and evening as the city reaches a high near 84 degrees.
Storms Build By Midday
A few showers may develop between 10 and 11 a.m., followed by a growing chance of thunderstorms around noon and heavier activity during the afternoon commute. The storms could bring lightning, brief heavy downpours, gusty winds and isolated flash flooding, with roughly a quarter to a half-inch of rain possible in Louisville, according to the National Weather Service Louisville office.
The strongest rain threat is expected during the first round of storms, when water could pile up quickly in poor-drainage areas. Drivers should expect sudden visibility drops and ponding on roads, while anyone with outdoor plans may want a backup before the afternoon activity ramps up.
Fog Follows Wednesday Night Rain
Showers and thunderstorms could continue into Wednesday night before becoming more scattered after 11 p.m. Patchy fog is likely overnight, with mostly cloudy skies and a low near 68 degrees.
Thursday stays warm but unsettled, with fog and a chance of showers early, followed by another chance of thunderstorms later in the day. The high should reach about 83 degrees, with rainfall totals generally lighter than Wednesday's storm round.
Cold Front Brings Weekend Whiplash
Friday brings the sharp turn toward fall as a cold front moves through with rain showers and west winds of 13 to 18 mph. Temperatures should top out near 65 degrees before dropping to around 42 Friday night.
Saturday looks sunny but much cooler, with a high near 59 and a low around 38. Frost potential is growing in colder areas, especially across southern Indiana and the Bluegrass, before sunny skies and milder temperatures return Sunday.
The storm timing and colder weekend now represent a substantive shift from the heat-focused setup described in Hoodline's earlier forecast. No watches, warnings or advisories were listed for Louisville early Wednesday, but the safest outdoor window is before the rain and storms arrive.
