There is the risk of damaging thunderstorms, including the potential for a tornado in the Kansas City area, Saturday.
A strengthening storm system swinging up from California will mark an end to the tranquil weather being experienced over much of the nation in recent weeks. The system will also kick off the secondary severe weather season with a large outbreak of powerful thunderstorms.
After a push of cooler air runs its course Friday, stiff southerly winds will quickly bring in warmer and more humid air during Saturday across western Missouri and eastern Kansas.
The setup will produce storms with the potential for damaging wind gusts, large hail and flash flooding over thousands of square miles of the Plains Friday and Saturday.
Depending on the amount of sunshine and warming that takes place during Saturday in eastern Kansas and western Missouri, some of the storms may become severe in the local area from the middle of the afternoon into the evening.
With this situation, there could be a few tornadoes spawned in the strongest storms stretching from southwestern Wisconsin to eastern Oklahoma.
People with outdoor plans or traveling through the I-35, I-70 and I-80 corridors will want to stay on top of the weather in this potentially dangerous situation.
Sunday will bring a return to more tranquil weather conditions with some sunshine. However, there will be a gusty breeze.
The late-season swelter will continue along much of the Atlantic Seaboard through the week as tens of millions head back to school and work.
Tropical depression five has formed in the southwestern Gulf of Mexico's Bay of Campeche and will continue its west-northwest path during the next couple of days.
A second volcanic eruption occurred on Sunday morning in Iceland in the same area that had one on Friday.
Severe thunderstorms will threaten holiday festivities across parts of the Midwest and central Plains to close out the extended Labor Day weekend.
While flooding is a threat, monsoonal rains will be beneficial for most areas across northwest India this week.
Gusty winds, large hail and power outages occurred Sunday into Monday morning in the north-central United States.
Los Angeles, CA (1955)
110 degrees, hottest day ever in September. This mark was tied September 4, 1988.
Milwaukee, WI (1988)
Hottest summer on record. Six days of 100 degrees or greater and 36 days of 90 or above. Average temperature of 73.8 beat the old record of 72.8 set in 1921 and 1955. The normal average tempera- ture for a summer in Milwaukee is 68.3 degrees.
Washington Co., IA (1897)
Hail fell and drifted in piles 6 feet deep in Washington County.