When will the rain stop in southwest Illinois? Here’s an updated forecast for your town

A weather system that has already dropped up to 5 inches of rain across the region will be hanging around throughout the afternoon and into the evening.

The National Weather Service office in St. Louis says rain to continue all day and into the night for most of the metro east and surrounding areas.

Excluding the cities farthest east in southwest Illinois, the rain is expected to clear up overnight, with small chances for rain and thunderstorms remaining by morning.

Flash flood warnings remain in effect for St. Clair County, Monroe County, Randolph County, Washington County, Bond County, Clinton County, Jefferson County and Marion County. There’s also a flood watch in almost every county in Southern Illinois and counties surrounding St. Louis.

The rain is forecast to clear on Wednesday and remain clear for the rest of the week, though rain has been forecast to possibly start again on this upcoming Sunday and Monday, according to the weather service.

For a detailed forecast at or around where you live, see our list below, sourced from the National Weather Service’s website .

Alton

Showers and thunderstorms are currently ongoing. The rain is expected to slow down around 5 p.m., but a 40% chance of continuing showers extends into the night, mainly before midnight. There’s a 20% chance of rain tomorrow between 9 a.m. and 11 a.m.

Belleville

Showers and thunderstorms are currently ongoing. The rain is expected to slow down around 5 p.m., with a 60% chance of continuing rain before 7 p.m. There’s a 20% chance of rain Wednesday.

Centralia

Showers and thunderstorms are currently ongoing. The rain is expected to slow down around 4 p.m., but an 80% chance of continuing rain extends into the night. There’s a 40% chance of rain Wednesday.

Edwardsville

Showers and thunderstorms are currently ongoing. The rain is expected to slow down around 5 p.m., with a 40% chance of continuing showers into the night, mainly before 1 a.m. There’s a 20% chance of rain tomorrow before noon and after 4 p.m.

Marissa

Showers and thunderstorms are currently ongoing. The rain is expected to slow down around 5 p.m., but a 70% chance of continuing rain extends into the night, mainly before 10 p.m. There’s a 30% chance of rain tomorrow.

Mount Vernon

Showers are currently ongoing, and thunderstorms are expected to pickup later around 4 p.m. The rain is expected to slow down between 5 p.m. and 8 p.m., then there’s a 80 percent chance of the rain continuing at night. There’s a 40 percent chance of rain tomorrow.

Nashville

Showers and thunderstorms are currently ongoing. The rain is expected to slow down around 8 p.m., and a 70 percent chance of continuing into the night, mostly weakening around 10 p.m. There’s a 30 percent chance for rain tomorrow.

Okawville

Showers and thunderstorms are currently ongoing. The rain is expected to slow down around 6 p.m., and a 60 percent chance of continuing rain extends into the night. There’s a 20 percent chance for rain tomorrow.