The National Weather Service's latest short-term forecast, issued online at 8 p.m., says ice is starting to accumulate in the northern reaches of Southern Illinois near Sesser.
By 9 p.m., the weather service forecasts ice to be falling in Marble Hill, Mo.
The text of the latest short-term forecast:
ICING CONTINUES IN SESSER...WHERE 1/10 OF INCH OF ICING ON TREES
AND POWER LINES HAS ALREADY ACCUMULATED. THE 32 DEGREE LINE WILL
SAG SLOWLY SOUTH AND EAST AND REACH A BENTON ILLINOIS TO MARBLE HILL
MISSOURI LINE BY 900 PM. ADDITIONAL RAINFALL OF 1/4 INCH OR SO WILL
PRODUCE SIGNIFICANT ICING FROM PINCKNEYVILLE TO SESSER AND COULD
BEGIN TO PRODUCE POWER OUTAGES. THIS IS A VERY DANGEROUS SITUATION.
For more on the Cape Girardeau forecast go to the National Weather Service forecast page.