Whenever we experience “feels like” temperatures of more than 100 degrees in Michigan, here is a quick explanation on what the heat index is and how to read it.

Normal human body temperature was determined over 170 years ago -- and the number has actually been decreasing since then.

And over the last several decades, Detroit’s first 80-degree day of the year has been coming earlier and earlier in the season.

DETROIT – Last year, Opening Day was sweltering in Detroit -- which probably has something to do with it being held in July because of the coronavirus pandemic. This year, Opening Day is unfolding on time, but with much colder temperatures in addition to new health and safety restrictions. Related: Here’s the Detroit Tigers lineup for Opening Day vs. Cleveland IndiansDespite the frigid cold this Thursday, Opening Day temperatures have been steadily rising over the last few decades due to global warming. AdSince 1970, Opening Day temps have increased by an average 3.3 degrees -- a statistically significant upward trend. Opening Day in Detroit will look much different this year compared to other years due to the pandemic.

DETROIT – We could see our fourth straight day of record high temperatures in Metro Detroit on this mild Tuesday. Clouds will be pouring in this morning, and the southerly breezes wills start to increase throughout the morning and afternoon. SUNRISE: 7:18 AMToday’s afternoon Record High in Detroit is only 68F, and we may be near that mark by lunchtime. SUNSET: 5:16 PMA cold front will be racing through Metro Detroit after midnight, or early Wednesday morning with rain and isolated thundershowers. Remember, the Local4Casters app is always your best weapon and tool when preparing for our crazy, changing weather, and it’s free!

We have very mild temps around all of Metro Detroit as you head out to temps in the upper 40s and mainly 50s. SUNRISE: 7:12 AMWe have a shot at a record high today, and the clouds will be the ultimate variable in whether we get there or not. If we had a little more afternoon sun, these warming winds SW 5-15 mph would help us warm into the 70s and the record high today is 74F. We have better chances of record high temps into your weekend as a sign of the warming trend sticking around. Saturday sunshine will bring highs to near 70F and a chance to tie or break the record high which is only 70F.

Clear Saturday night, with lows in the low to mid 40s (5 to 7 degrees Celsius). Mostly sunny on Sunday, and a tad warmer with highs in the mid 60s (18 degrees Celsius). Clear Sunday night, with lows in the mid 40s (7 degrees Celsius). Highs will drop a bit due to more clouds…reaching the mid 70s (25 degrees Celsius). But it then appears that we warm up again into the mid to upper 70s (24 to 26 degrees Celsius) Friday into next weekend and, right now, next weekend still looks spectacular with plenty of sun!

Metro Detroit weather: Fall-like feel today, 09/17/2020, 4 p.m. updatePublished: September 17, 2020, 4:18 pmSome morning clouds for most of Metro Detroit without much in the way of wet weather and it will be dry today as we watch skies turn from partly sunny to partly cloudy with temps in the mid 60s and breezes NNE 7-17 gusting 15-25 mph at times.

DETROIT Most everybody loves walking their dog. But when the weather gets hot, you need to be aware that hot pavement can injure your furry friend. However, I suspect that the red brick or blacktop surfaces could get hot enough to cause your dog some pain. Heres a suggestion: Instead walking your dog on the pavement, walk him or her on the grass next to the paved surface. Dont let the heat dissuade you from taking the dog (and yourself) out for a little exercise.

Becoming mostly clear Monday night, with lows in the mid to upper 50s (13 to 15 degrees Celsius). Mostly sunny on Wednesdaya perfect summer day with highs near 80 degrees (27 degrees Celsius), and the humidity remaining comfortable. Mostly clear Wednesday night, with lows in the upper 50s (14 to 15 degrees Celsius). Partly cloudy Thursday night, with lows in the low 60s (16 degrees Celsius). Partly cloudy Friday night, with lows in the mid 60s (17 to 18 degrees Celsius).

This evening and tonight will be warm to mild and comfortable, again. The weekend will be warm with showers and thunderstorms thrown back into the mix. Saturday will be partly sunny warm. Afternoon temps will be in the low 80s. Itll be more comfortable as well with daytime temperatures in the upper 70s and low 80s each day.

DETROIT Scientific climate data is showing a warming trend in Detroit. The average summer temperature in the region is up 3.3 degrees F since 1970. The Detroit area is seeing warmer summer nights, too. The average overnight low temperature in the region is up 5.5 degrees since 1970. More: Weather Center

Metro Detroit weather: Chilly Sunday afternoon, snow and rain arrive tonight, March 22, 2020, 8 p.m. updatePublished: March 22, 2020, 8:18 pmClouds gather as we head toward sunset, and it remains chilly. Colder overnight with a new storm system bringing snow and rain. It become slipperier closer to and after midnight. Light snow and rain will fall overnight and Monday morning. Temps travel well above freezing as early as MOnday afternoon.