A winter storm warning goes into effect at six Wednesday morning for South Central Illinois. The weather service says heavy mixed precipitation is expected. Total snow accumulation of four to seven inches, sleet accumulations around one inch, and ice accumulations up to three-tenths of an inch. The winter weather warning remains in effect until midnight Thursday night.
Here is the detailed forecast for the storm issued by the National Weather Service:
Today
A 40 percent chance of rain, mainly after 2 pm. Mostly cloudy, with a high near 54. South wind 8 to 13 mph, with gusts as high as 30 mph.
Tonight
Rain, mainly after midnight. Low around 34. South wind 7 to 10 mph becoming north after midnight. The chance of precipitation is 100%.
Wednesday
Rain and sleet, possibly mixed with snow and freezing rain before 1 pm, then sleet, possibly mixed with freezing rain between 1 pm and 5 pm, then sleet, possibly mixed with snow and freezing rain after 5 pm. The sleet could be heavy at times. Temperature falling to around 29 by 3 pm. North wind 11 to 18 mph, with gusts as high as 30 mph. The chance of precipitation is 100%. Little or no ice accumulation is expected. New snow and sleet accumulation of less than one inch possible.
Wednesday Night
Rain showers, snow, and sleet before 8 pm, then snow, possibly mixed with sleet between 8 pm and midnight, then snow after midnight. Low around 23. North wind 14 to 18 mph, with gusts as high as 32 mph. The chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Thursday
Snow, mainly before 1 pm. The snow could be heavy at times. High near 26. North wind 16 to 18 mph, with gusts as high as 28 mph. The chance of precipitation is 100%. New snow accumulation of 3 to 5 inches is possible.
Thursday Night
A 40 percent chance of snow before 7 pm. Mostly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 26.
Friday Night
Mostly clear, with a low around 5.
Saturday
Sunny, with a high near 29.
Saturday Night
Mostly clear, with a low around 14.
Sunday
Mostly sunny, with a high near 35.