National Weather Service United States Department of Commerce

Critical Fire Weather Threats will Expand Across Central and Southern Coastal Mountains in California

Damaging offshore winds may down trees and power lines and fire weather threats across much of California. Critical fire weather threats are expected in the central and southern coastal ranges. Heavy snow is continuing in the Great Lakes, and will develop in the Central and Southern Rockies. High winds and heavy snow is occurring for parts of Alaska. Heavy rain in Hawaii will continue. Read More >

A Winter Weather Advisory is in effect tonight for southeast Illinois, from 6 pm tonight til 6 am Tuesday morning. 1-2 inches is possible south of a Shelbyville to Martinsville line, with the highest amounts along an Effingham to Robinson line. The precipitation will likely start out as rain or rain and snow mix late this afternoon and early this evening, then change to snow during tonight.
A weather system will move across southern Illinois tonight, and bring rain changing to accumulating light snow to southeast Illinois. Around 1 inch of slushy snowfall is expected with locally higher amounts possible along an Effingham to Robinson line. Drier weather is then expected the rest of the week for central and southeast IL with warmer temperatures on Wednesday and Thursday, but then turning colder again at the end of the week.