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.
Typhoon Kalmaegi is taking aim on southern China and northern Vietnam with life-threatening flooding and damaging winds
A raging wildfire, which erupted Monday afternoon, has damaged or destroyed at least 100 structures and has forced the evacuation of hundreds of residents in Northern California, near Weed.
Tropical moisture from the approaching Odile will deliver another round of heavy rain and flooding downpours to the interior Southwest by the middle of this week.
Residents and tourists capture footage of the crashing waves and flooding along the coast as Odile whips Baja California Sur.
The remnants of Odile have the potential to bring heavy rain and flooding to parts of the Plains and Midwest late this week after hitting the Southwest.
Edouard has become the fourth hurricane of the 2014 Atlantic season and additional strengthening is possible.
Washington, D.C. (1874)
A total of 5.66 inches of rain; 24-hour record.
Detroit, MI (1939)
100 degrees -- hottest ever in September.
Gulf of Mexico (1988)
Hurricane Gilbert, now packing 120-mph winds, is 350 miles south-southeast of Brownsville, Texas.