heat index

The number tells you how the temperature outside really feels, and you can even calculate it yourself using a really long equation.

Overnight Wednesday Night: Warm, humid, isolated early storm. Lows in the 70s.
Thursday: Sweltering with some wildfire smoke possible in the sky. Highs around 95, heat index 100-105.

From the NBC10 Boston First Alert Weather Center… Today (Wednesday): Hazy, hot and humid. Isolated shower or storm. Highs around 90, heat index 95-100. Overnight Wednesday Night: Warm, humid, isolated early storm. Lows in the 70s. Thursday: Sweltering with some wildfire smoke possible in the sky. Highs around 95, heat index 100-105.

If you feel Wednesday’s been hot, Thursday will be hotter. Heat indices will be ranging between 100-105 degrees in the afternoon. On average, we get two heat waves a year, but 2020 brought us three, and this year, we’re on our third one again. The heat will continue into Saturday, but Thursday afternoon will be the hottest day in...

Wednesday: Hazy, hot and humid. Isolated shower or storm. Highs around 90, heat index 95-100. Wednesday night: Warm, humid, isolated early storm. Lows in the 70s. Thursday: Sweltering with some wildfire smoke possible in the sky. Highs around 95, heat index 100-105.

A First Alert continues through Friday from our NBC10 Boston, NECN and Telemundo New England weather team for intense heat and humidity. Wednesday’s heat index or “feels like” forecast is expected to reach 95 to 100 degrees during the afternoon, with Thursday and Friday topping out at 100 to 105 degrees – the hottest feeling this season. Heat index is…

Today: Hazy, hot and humid. Isolated shower or storm. Highs around 90, heat index 95-100. Overnight Wednesday Night: Warm, humid, isolated early storm. Lows in the 70s. Thursday: Sweltering with some wildfire smoke possible in the sky. Highs around 95, heat index 100-105.

Rising temperatures due to climate change are already forcing Olympic organizers to rethink where events are held and how they are planned. In the future could we be watching the Summer Olympics during the winter? NBCLX storyteller Chase Cain takes a look at how climate change is already changing the Olympic experience and what may come next.

Tuesday: Chance early AM shower, hot & humid, scattered afternoon and evening storms. Highs 90-95, heat index 95-100. Wednesday: Hot and humid again. Partly sunny with some hit or miss afternoon thunder. Highs 85 to 90.

Overnight Tonight: Turning humid, variable clouds, late sprinkle. Lows in the 60s. Tuesday: Chance early AM shower, hot & humid, scattered afternoon and evening storms. Highs 90-95, heat index 95-100. Wednesday: Hot and humid again. Partly sunny with some hit or miss afternoon thunder. Highs 85 to 90.

Overnight Tonight: Turning humid, variable clouds, late sprinkle. Lows in the 60s. Tuesday: Chance early AM shower, hot & humid, scattered afternoon and evening storms. Highs 90-95, heat index 95-100. Wednesday: Hot and humid again. Partly sunny with some hit or miss afternoon thunder. Highs 85 to 90.

We’ve been a rollercoaster of temperature swings across New England over the past week and the ride isn’t over yet. Aside from a brief sprinkle Monday, highs will top out in the 70s for most of us under a blend of sun and clouds. Humidity will be on the rise Monday night as a warm front crosses the region,...

Overnight Tonight: Turning humid, variable clouds, late sprinkle. Lows in the 60s.
Tuesday: Chance early AM shower, hot & humid, scattered afternoon and evening storms. Highs 90-95, heat index 95-100.
Wednesday: Hot and humid again. Partly sunny with some hit or miss afternoon thunder. Highs 85 to 90.

Wednesday: Humid sun and clouds, chance afternoon storm south. Highs 90-95 degrees, heat index 95-100 degrees. Overnight Wednesday: Partly cloudy and mild. Lows in the 60s. Thursday: Chance morning south coast shower, humid south, partly cloudy for all. Highs 85-90 degrees.

Our Weather Team continues to issue a First Alert for Wednesday’s heat, with high temperatures expected to reach 90 to 95 degrees by the afternoon. Heat index values, or feels-like temperatures, will be around or just over 95°, making hydration important, as well as taking breaks to cool and avoid overexertion.  Still, most New Englanders will probably notice just a…

Today: Early AM shower to humid sun & clouds, chance PM storm south. Highs 90-95°, heat index 95-100°. Overnight Wednesday: Partly cloudy and mild. Lows in the 60s. Thursday: Chance AM South Coast shower, humid south, partly cloudy for all. Highs 85-90°.

Tuesday: Hazy, hot and humid. A few strong afternoon storms. Highs in the 90s, heat index around 100 degrees. Overnight Tuesday: A few south coast showers, otherwise slow clearing, less humid late. Lows in the 60s. Wednesday: Much less humid, fair and hot. Highs near 90.

After a handful of communities joined the Century Club by topping out at or over 100° Monday afternoon, the temperature will be a few degrees cooler…but we won’t notice the difference. An increase in humidity creates a heat index around 100° for the metropolitan areas of southern New England Tuesday. Farther north, a round of morning showers combined with more…

Today: Hazy, hot, humid. A few strong PM storms. Highs in the 90s, heat index around 100°. Overnight Tuesday Night: A few South Coast showers, otherwise slow clearing, less humid late. Lows in the 60s. Wednesday: Much less humid, fair and hot. Highs near 90.

Overnight Monday Night: Warm, clear. Lows 75-80.
Tuesday: More humid, hot, scattered PM storms. Highs around 95, heat index just over 100.