Temp. up to 111, most if not all will be bad. Sorry, check and see if any are still alive..
The top hatch if I remember, does use a blanket sometimes.
Not here to knock any incubator, but alot of newbe use the Styrofoam incubator,and with these the room temp.and room Humidity very very important. Keep them out of sunlght(even coming thru a window) With these you do need to be carefull opening them.as it takes so long to get both temp.and humidity back up.
Also force or still air incubator, temps. are not the same. 101 at top of eggs on still air(no fan). 99.5 on force air(with fan).
Now with some of the others opening them is no big deal. Sometime it even helps, change of air!!!
Temp. and humidity will be back up in no time.
As you see if you see info on here, ITS NOT the same for all incubators.
Best 10.00 you can spend,
Walmart sells a humidity monitor by acurite records daily high & low for both temp.& humidity.Plus display both present reading. Goes inside the incubators.