Meteorologist: Oceana Hayden
•6/20/2026
Saturday is off to a warm and muggy start, much like every day last week. A stray shower or thunderstorm is possible after 9 a.m., but most of Southwest Florida should remain dry through the late morning.
The heat will once again be the main story. High humidity will push heat index values into the triple digits across the region, making it feel significantly hotter than the actual air temperature. A Heat Advisory is in effect for Collier County from noon until 6 p.m. Be sure to stay hydrated, take breaks in the shade, and limit prolonged outdoor activity during the peak heat of the day.
Scattered thunderstorms are expected to develop after noon, initially forming along the I-75 corridor and near the coast before gradually shifting inland by around 3 p.m. If you're planning a trip to the beach during the midday hours, have a plan to seek shelter if storms develop. Frequent lightning will be the primary hazard with today's storms.
Most of Southwest Florida should dry out by sunset, with quiet conditions expected through the evening hours.
Father's Day will start warm and a bit drier, with rain chances remaining low through much of the day. The next opportunity for showers and thunderstorms arrives during the late afternoon, around 2 p.m.
Heat indices will once again climb into the triple digits, while actual temperatures rise into the lower and middle 90s. Whether you're golfing, grilling, or spending time outdoors with Dad, be sure to stay hydrated and take precautions against the heat.
Isolated afternoon and evening thunderstorms are expected, primarily across inland communities.
The workweek begins on a hot note as high pressure remains firmly in control of the forecast. This pattern will help keep rain chances relatively limited through much of the week, generally remaining below 40 percent.
Temperatures are expected to trend upward, with some locations potentially reaching the upper 90s by the middle of the week. Combined with SWFL's summertime humidity, heat index values will soar well into the triple digits.
In the tropics, there are no concerns at this time. The remnants of Tropical Storm Arthur moved offshore of the East Coast on Friday, and the National Hurricane Center is not monitoring any areas for tropical development over the next seven days.
Winds will be out of the south this morning before becoming westerly this afternoon at 5 to 10 knots. Gulf wave heights will remain around 2 feet, providing generally favorable boating conditions. Water temperatures are running at or near 90 degrees.
