Mother Nature will turn up the heat under sunshine over much of the Midwest late in the week into the Father's Day weekend.
An area of high pressure bringing cool air and low humidity to the region now will slide to the east later this week. As it does, a south to southwesterly flow will bring in much warmer and progressively more humid air.
The less-than-ideal swimming weather will be replaced by a pool-lover's bonanza by this weekend.
While record highs are not likely to be broken, temperatures within a few degrees of 90 are in store for many cities including Chicago, Cincinnati, Cleveland, Detroit, Huntington, Indianapolis, Louisville, Milwaukee and St. Louis.
While the air mass moving in is not extreme, the dry ground will help foster the heat at the local level.
Dry ground behaves more like a desert, allowing the sun's energy to focus more on warming the ground, which in turn warms the air near the ground.
Higher temperatures increase evaporation rates, drying the ground even more and hence warming the air even more.
Higher humidity levels can lead to spotty late-day thundershower activity over the weekend. However, most areas will not receive substantial rainfall, except for the swath from eastern Nebraska to the Upper Michigan Peninsula.
This swath, which also reaches over part of the northern Plains, will be the place to be for rainfall right into much of next week as a series of storm systems brings rounds of showers and thunderstorms.
Heavy rain returning to the northern Plains will generate a renewed flood threat for the Red River.
Mount Saint Helens has erupted several times since the destructive 1980 eruption, and likely will again in the future.
Seven homes have been red tagged, meaning do not occupy, and six others are under a voluntary evacuation order.
Though recovery continues from Superstorm Sandy, residents and homeowners on the Atlantic coast should prepare for another active season in 2013.
While there is a threat for a shower in spots in Baltimore, Md., today, it will not be a washout like the day of the Kentucky Derby.
The volcano is in a rather remote spot, and the biggest price will be to airlines caused by the ash.
Ft. Lauderdale, (1973)
DC-9 crashes in a heavy thunderstorm, injuring three people.
Chicago, IL (1894)
Severe snow/rain storm; 9 vessels on Lake Michigan destroyed.
Tornado in Burlington, OH. The storm leveled every structure in the town - houses, barns, walls and fences.