Nashville is waking up to a cloudy, muggy start this Thursday, June 18, with the airport sitting near 81°F and the air feeling every bit of it. Forecasters say showers and thunderstorms are expected to fire up later in the day, with the heaviest action likely from midday into the afternoon. Brief heavy downpours and frequent lightning are on the table, and heat-index values could climb into the upper 90s before storms roll in. Some stronger cells may kick out gusts near 25 mph.
When Rain Arrives
A few light showers could sneak in by late morning, but the real rain chance ramps up by late morning and peaks from about noon through the 4 p.m. hour on Thursday. Most spots are expected to see between a quarter and a half inch of rain, although any stronger storm could drop more in a hurry and leave roads slick in patches. Winds will run out of the south-southwest at 5 to 15 mph with gusts up to 25 mph. Forecasters now expect the line of storms to move through faster than earlier thought and to wind down by Thursday evening, leaving most of Friday and Saturday dry, according to the National Weather Service.
Afternoon Commute And Events
Drivers should be ready for slower traffic where heavy downpours develop and for sudden gusts near bridges and overpasses. Low-lying and poor-drainage spots could see brief ponding when the rain hits hardest. Juneteenth events scheduled for Friday, June 19, are looking much better, with mostly sunny skies and a high near 86, though it is still smart to have a backup plan for outdoor activities if schedules shift. For background on how the forecast and timing expectations evolved, see earlier forecast and timing changes.
What To Do
Keep a waterproof layer close, build in extra travel time for the afternoon, and move outdoor gatherings inside as soon as you hear thunder. Skip driving through standing water and secure loose outdoor items before the gustier storms arrive. Stay tuned to local alerts and official updates from the National Weather Service for any watches or warnings that may be issued later today.
