The National Weather Service in St. Louis, MO, forecasts stormy conditions for eastern and central Missouri and parts of west central and southwest Illinois throughout the week. Thunderstorms are expected to begin today and continue through the week, with a 100% chance of storms on Monday night and wind gusts up to 20 mph, according to the National Weather Service .

Thunderstorms are expected after 2 a.m. tonight, with a chance of heavy rainfall. The National Weather Service reports, "Thunderstorms are likely tonight. Some of the storms may be strong to severe, mainly across central Missouri. Large hail and damaging winds are the primary threats from these storms. Locally heavy rain will also be possible." Storm chances continue through the week, with precipitation probabilities ranging from 20 percent on Wednesday and Thursday to higher chances earlier in the week. Additional storms are possible Monday afternoon and Tuesday.

Thunderstorms are possible throughout the day on Tuesday, with a high near 82 degrees. The National Weather Service says, "There may be some strong to severe storms again Tuesday, though it is less likely." Storm spotters are not expected to be activated, but the weather may change quickly. For the latest updates, check alerts and forecasts from the National Weather Service.