Projected weekend rain update

[August 31, 2012]  The National Weather Service in Lincoln released an outlook at 5:42 a.m. Friday for portions of central Illinois, east-central and southeast Illinois. This weather outlook is for the counties of Cass, Christian, Clark, Clay, Coles, Crawford, Cumberland, Effingham, Fulton, Jasper, Lawrence, Logan, Macon, Mason, Menard, Morgan, Moultrie, Richland, Sangamon, Schuyler, Scott and Shelby.

Friday and Friday night

Rain with isolated thunderstorms will gradually spread north today in advance of the remnants of Isaac. No severe weather is expected at this time. Rain and isolated thunderstorms will continue tonight, with locally heavy rainfall developing across southwest through south-central Illinois by dawn Saturday.

Saturday through Thursday

The remnants of hurricane Isaac will move through central Illinois this weekend. Heavy rainfall of 3 to 5 inches is likely, with locally higher amounts possible. The heaviest rain will occur from late Friday night through Sunday morning. The heavy rain may lead to flash flooding, despite the ongoing drought, especially in urban or poor drainage areas. The severe weather threat appears low at this time, though gusty winds are possible Saturday with the isolated thunderstorms.

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For more information and updates:
http://www.crh.noaa.gov/ilx/

[Text from National Weather Service, Lincoln office]

Heavy rainfall from the remnants of Hurricane Isaac remains a distinct possibility for Saturday and Sunday. The surface system will track only slowly across the area through the weekend, bringing periods of rain with isolated thunderstorms. Rainfall totals still look to be in the 3- to 5-inch range, with locally higher amounts in areas that see more frequent rounds of thunderstorms. Just outside the heavy rain axis, storm-total rains will range from 1 to 3 inches by the time the system finally shifts east of the area late Sunday or Monday.

[From National Weather Service, Lincoln office]