Tuesday's forecast: Tornado threat in the South

Most of the eastern half of the nation will see some rain on Tuesday, with the weather especially steamy and stormy in the Southeast.

Southeast: Severe storms could lash the lower Mississippi Valley and Tennessee Valley on Tuesday with high winds and large hail the main threats, though some tornadoes are also possible. The heaviest rain is forecast in the Deep South, especially in northern Mississippi.

Northeastern U.S.: A few scattered storms will pepper the Mid-Atlantic and Northeast. Heavy rain is also forecast in the Great Lakes and Ohio Valley.

West: Some showers are likely in the northern Rockies and Northwest. The Southwest will continue to be blistering hot, as highs top out at over 110 degrees in some spots.

Weather history for June 10: In 1752, Benjamin Franklin reportedly performed his famous kite-flying experiment during a thunderstorm, proving that lightning was a form of electricity. In 1968, while the temperature was 21 degrees in Alpine, Arizona, across the state in Buckeye it was 119 degrees.

In 1995, the temperature hit an all-time record high of 87 degrees in Yakutat, Alaska.