Flashback to Six Months Ago When It Was Cold Enough to Freeze Pants in Indiana

From Frozen Jeans to Triple-Digit Heat Indexes in Indiana

Flashback to just six months ago, when wet pants would literally freeze solid in Indianapolis. Now we're facing heat indexes as high as 106 degrees.

Remember When Jeans Froze Solid?

Indiana meteorologist Matt Standrich posted a photo this week of a pair of jeans he froze standing upright on a cold January night. With wind chills that reached from -3 in Evansville to -24 in Valparaiso, it was definitely cold enough to freeze just about anything.

Now? A 100-Degree Swing

Fast forward to this week, and we're seeing heat indexes ranging from 93 degrees in Ft. Wayne to 105 degrees in Evansville. That’s a 100-degree temperature swing.

Indiana’s Weather Has Been Wild in 2025

We've had some historically weird weather this year: floods, tornadoes, ice storms, and what feels like never-ending rain. According to USA Today, this chaotic summer weather can mostly be blamed on one thing... humidity.

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Why Has It Been So Humid?

So what’s behind all this sticky air? It turns out the main reason is the unusually warm waters of the Atlantic Ocean and Gulf of Mexico according to an article by USA Today.

So why has it been so humid? The main reason is due to the unusually warm waters of the Atlantic and the Gulf this season. 'The subtropical waters around the U.S., and especially off the Eastern Seaboard, have warmed considerably, and the stronger flow out of the south and east around the Bermuda High has swept all of that muggy air from offshore much farther inland,' [WPLG-TV meteorologist Michael Lowry] Lowry said.

Read More: Surprise Sunburn? Your Medication Might Be to Blame

 Heat Advisory in Effect

According to the National Weather Service, we are currently under a Heat Advisory.

Hot temperatures and high humidity may cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Air Quality Alert

They've also issued an Air Quality Alert.

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, IN EFFECT UNTIL MIDNIGHT EDT TONIGHT.

An Air Quality Action Day for Ozone has been issued. Ozone levels are expected to be in the Unhealthy for Sensitive Groups range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure.

Here are some recommended actions that the public can take:

* Walk, bike, carpool or use public transportation.
* Avoid using the drive-through and combine errands into one trip.
* Avoid refueling your vehicle or using gasoline-powered lawn
equipment until after 7pm.
* Turn off your engine when idling for more than 30 seconds.
* Conserve energy by turning off lights or setting the air
conditioner to 75 degrees or above.

Still feeling hot? Take a few mintues to scroll through these adorable snowmen we built during the snowstorm we had back in February. They'll cool you off!