DECATUR — Illinois officials are warning residents to prepare for potentially severe weather for large parts of the state overnight today and into Thursday.

The National Weather Service in Lincoln said there is a 100 percent chance of thunderstorms across portions of Central Illinois, mainly after 1 a.m. Thursday. Rainfall amounts between a half and three-quarters of an inch are possible.

A hazardous weather outlook was issued by the National Weather Service for portions of Central Illinois, with risks of damaging winds and large hail. Isolated tornadoes are possible west of Interstate 55. Christian, DeWitt, Logan, Macon, McLean and Sangamon counties are included in the outlook.

A high of 77 degrees is expected today in the Decatur region with a low of about 60 and wind gusts tonight as high as 28 mph, the weather service said.

Isolated thunderstorms are possible Thursday, especially early morning, the weather service said. Rain is expected into the afternoon. 

Thursday's high temperature will drop to 62 degrees, according to the weather service, with an overnight low of 42, after the rain has passed. Friday's high tops out at 55 degrees.

Thunderstorms are also possible Sunday night, Monday and Tuesday afternoon.

Illinois Emergency Management Agency officials said residents should be aware of forecasts and be ready to act quickly if severe weather warnings are sounded.

Alicia Tate-Nadeau, IEMA director, said families should ensure that each member can receive emergency alerts and notices.

She said families discuss and identify safety shelters at home, work and at school. A family communication plan should be developed and practice, she said.

The Associated Press contributed to this story.

Highs and lows: Macon County weather data 2001-2018

Highs and lows: Macon County weather data 2001-2018

Maybe you remember that it was a fairly warm stretch in November 2006 before the ice storm struck overnight Nov. 30, taking out power as temperatures plunged. Sometimes it's hard to recall what the weather was a month ago, let alone a year or 10 years ago. Collected here is weather data going back to 2001. Any days you remember well?

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Contact Kennedy Nolen at (217) 421-6985. Follow her on Twitter: @KNolenWrites


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