UPDATE: The National Weather Service is warning of a chilly night for Palm Beach County, with the mercury expected to fall to a brisk 46 degrees.
By 9 p.m., the region had already reached today’s previously forecast low of 55 degrees, with a wind chill in the low 50s.
Forecasters expect Sunday’s high to reach the mid 60s with wind chill values in the upper 30s early in the day, and a 20 percent chance of showers after 1 p.m.
Further inland, Okeechobee County was under wind chill alert with temperatures already having dipped into the mid 40s and were expected to fall as low as 39.
A wind chill advisory remains in place for Okeechobee County from 4:00 a.m. to 8:00 a.m. Sunday, with wind chill values potentially as low as 31 degrees.
Original post: A potent cold front pushing through South Florida has triggered multiple weather advisories including wind chill alerts for areas around Lake Okeechobee.
The National Weather Service in Miami said wind chill temperatures in Glades County could dip into the upper 20s, while interior Palm Beach County could experience wind chill temperatures in the upper 30s.
Forecasters said frequent lightning and wind gusts to 40 mph and showers are expected with the front, which will leave Sunday’s daytime high reaching only into the mid-60s.
Tonight’s overnight low should drop to 55 degrees in coastal Palm Beach County.
According to the National Weather Service, there is danger of rip currents and occasional gale force winds tonight. A small craft advisory remains in effect for all local waters.
Update 11:39 a.m.: National Weather Service forecasters have issued a severe thunderstorm warning for Northeastern Palm Beach County.
Concerns with the storm include 60 mph wind gusts and up to quarter-size hail.
The warning is in effect until 12:15 p.m.
A severe thunderstorm near Palm Beach Gardens is moving east at 15 mph.
Update 11:26 a.m.: A significant weather advisory has been issued for parts of Palm Beach County warning of the possibility for lighting, small hail and wind gusts up to 55 mph.
The advisory is in effect until 12:15 p.m. Locations affected include Wellington, West Palm Beach, Palm Beach Gardens, Lake Worth, Jupiter, Juno Beach and Delray Beach.
Previous story: A strong cold front expected to reach South Florida today has prompted the National Weather Service to issue several advisories for South Florida including a wind chill alert for areas around Lake Okeechobee.
Robert Garcia, a meteorologist with the NWS in Miami, said the primary concerns today will be strong thunderstorms that could produce winds up to 40 mph, heavy rain, lighting and waterspouts.
Tonight, increasing winds and decreasing temperatures will create a “wind chill concern” along with building seas posing a marine hazard for small craft along area beaches.
Wind chills in Glades County could dip into the 20s to lower 30s, with interior Palm Beach County reaching the upper 30s.
While today’s high temperature is expected to reach 79 degrees in West Palm Beach, the overnight low will dip to 55 degrees.
Sunday should be sunny with north winds sustained at up to 22 mph and gusts to 29 mph. The high will only reach into the mid-60s with a low overnight of 55 degrees.