These truly are the dog days of summer! The National Weather Service in Caribou has issued a heat advisory for most of Maine (excluding Coastal Maine) from 8 a.m. today, Monday, August 11th through 8 p.m. on Tuesday, August 12th.

The combined hot temperatures with the high levels of humidity will have the heat index values (the feels like temperature) up to 99 degrees.

Temperatures will moderate slightly at night, but not get below the low 60's and remain muggy, not providing much relief.

So what can you do? Hydrate! Hydrate! Hydrate! Drink plenty of fluids. You should limit alcohol and caffeine. Stay in air-conditioned rooms if possible. Be sure to check on the elderly and your pets. Pets should have plenty of water and be kept inside or in the shade. Be sure NOT to leave children and pets in the car!

If you have to be outside for work, be sure to take frequent breaks. Try to wear lightweight and loose fitting clothing.

If you feel faint, get into a cool and shaded place ASAP. Heat stroke is an emergency. Symptoms of heat stroke include dizziness, weakness, and heavy sweating. You might also feel nauseous and have a headache, and muscle cramps. If you have symptoms of heat stroke, you should call 911.

Here is a list of cooling centers being set up throughout the State. More will be added throughout the day, I'm sure. You can also visit your local public library, which will be air-conditioned.

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LOOK: The most extreme temperatures in the history of every state

Stacker consulted 2021 data from the NOAA's State Climate Extremes Committee (SCEC) to illustrate the hottest and coldest temperatures ever recorded in each state. Each slide also reveals the all-time highest 24-hour precipitation record and all-time highest 24-hour snowfall.

Keep reading to find out individual state records in alphabetical order.

Gallery Credit: Anuradha Varanasi

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