After a warm, sunny start to the week in Chicago, conditions are forecast to deteriorate through the weekend.
Showers and thunderstorms arrived in the area Friday afternoon, as the week's temperature peaked at 82 degrees. Into the nighttime, warmth and humidity remained as stronger thunderstorms threatened the area.
The worst of the weather will arrive on Saturday, however, with the possibility of severe storms. Damaging winds, hail and lightning will threaten the area.
Those planning to attend high school or college football games should exercise caution, as the storms may be fast-moving and conditions can deteriorate rapidly.
Accompanying the storms will be temperatures in the upper 70s throughout the day, before dropping into the lower 50s overnight.
The best opportunity for getting outside over the weekend will be on Sunday, as skies turn sunny again. The air will be noticeable cooler to end the weekend with a high of 62 forecast in the afternoon.
Following a southward push of cool, dry air at midweek, clouds, showers and higher humidity will return to the Northeast.
Even though the tremendous rains have come and gone, flooding will continue on the major rivers in the South Central states for the next couple of weeks.
Another round of storms will fire across the central Plains at midweek with the chance for isolated tornadoes.
An end to the April-like cool and dreary weather putting umbrellas and jackets to use around Philadelphia will come later this week.
Major hurricane Blanca will threaten Baja California with flooding rain and damaging winds this weekend.
While the center of Andres will remain a thousand miles away, its moisture will still get drawn into the Western United States and enhance thunderstorm activity later this week.
Dulles Airport, Washington, D.C. (1991)
4.25 inches of rain -- normal for all of June is 4.23 inches.
Great Comanche Tornado commenced near Cedar Rapids, IA, and ended over Lake Michigan; 175 killed, destroyed Comanche village on Mississippi River.
Thunderstorms in northwestern Kansas produced up to 18 inches of hail near Salden during the early evening. Crops were completely destroyed and total damage from the storm was nearly 500,000 dollars. Temperature dropped from near 80 degrees before the storm to 38 degrees at the height of the storm.