A broad area from the eastern Great Lakes to the Southern Plains could see severe storms that produce wind damage, hail and a few tornadoes. Flash flooding is a big concern in the Southern Plains.

May's average number of tornadoes is the most of any month, with 260. Several atmospheric ingredients make May ripe for tornadic storms to develop, especially in the Plains and Midwest, which is home to the so-called "Tornado Alley."

Scientists have discovered that warming temperatures coupled with higher carbon dioxide levels will greatly increase the amount of arsenic in rice, one of the most consumed foods in the world. This could increase cancer and other disease risks. Watch this video to see how this is happening.

Flooding from heavy rainfall is a serious danger for many reasons. One of the worst decisions you can make is to drive through floodwaters since it contributes to multiple injuries and deaths each year.

Here's your latest monthly temperature and precipitaiton forecast for May.