Brace for record-challenging highs in the 90s this afternoon. The record high for June 18th in Boston is 94 set back in 1929 and 1907; The record high in Worcester today is 93 degrees.
A HEAT ADVISORY is in effect until 6pm for much of the area for feels like readings around 100. You’ll want to limit strenuous outdoor activity, take frequent breaks and drink PLENTY of water. It also helps to wear loose, light colored clothes.
The combination of hot sun and pollution will result in poor air quality and an AIR QUALITY ALERT until 11 PM. Those with respiratory issues and asthma may experience some difficulty if outdoors for an extended period of time. Try to limit outdoor exposure and proximity to roads where ground ozone pollution tends to be higher.
A gusty southwest wind will keep things a bit cooler along the South Coast, Cape and Islands. The beaches south of Boston will be more comfortable than those on the North Shore and NH Seacoast.
This round of extreme heat and humidity comes ahead of a cold front that will trigger scattered storms afternoon and overnight. Storms will start to fire up across western and central MA after 2 PM and move eastward into the Boston area by the drive home. Hit-or-miss activity will continue overnight and wind down early Tuesday morning from north to south, diminishing last on Cape Cod by 10 AM. The main threats with any strong to severe storms will include lightning, heavy rain and damaging wind gusts.
A few showers will linger into early Tuesday morning before we clear out. Skies will be nice and bright again by lunchtime with a significant drop in humidity as the day progresses. Highs will be cooler, but still above average, in the low 80s.
WARM, QUIET WEEK
The region will remain in quiet, mild pattern for the rest of the week. Overall, expect partly sunny conditions each day with highs in the 80s (beaches cooler due to sea breezes at the end of the week). There may be a passing shower Wednesday night, but it looks to stay pretty dry. Summer officially starts on Thursday!
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