Indiana has a humid continental climate that features substantial changes in temperature depending on the season. Home owners in Indiana have several severe weather occurrences to be aware of. The state sees between 40 to 50 thunderstorm days a year and during the winter they’ve been subject to some harsh blizzards due to its proximity to Lake Michigan. Indiana is also occasionally hit by tornadoes and it is always prudent to equip your house with a storm cellar or be aware of local shelters.