Today's weather starts with quiet fog; possible wind, rain and cooler temps expected as front pushes through

[September 17, 2012]  The National Weather Service in Lincoln released a dense fog advisory at 5:23 a.m. Monday. This advisory is in effect for portions of central Illinois until 10 a.m. Monday for the counties of Fulton, Schuyler, Mason, Logan, Cass, Menard, Scott, Morgan, Sangamon, Christian, Macon and Shelby, including the cities of Havana, Lincoln, Jacksonville, Springfield, Taylorville, Decatur and Shelbyville.

Timing: Monday morning until 10.

Visibility: Frequently falling to below one-quarter mile.

Effects: Driving conditions will be extremely dangerous as visibilities may change quickly to below one-quarter mile.

Precautionary, preparedness actions: A dense fog advisory means visibilities will frequently be reduced to less than one-quarter mile. If driving, slow down, use your headlights and leave plenty of distance ahead of you.

The National Weather Service in Lincoln also released a hazardous weather outlook at 6:04 a.m. Monday for the central Illinois counties of Cass, Christian, DeWitt, Fulton, Knox, Logan, Macon, Marshall, Mason, McLean, Menard, Morgan, Moultrie, Peoria, Piatt, Sangamon, Schuyler, Scott, Shelby, Stark, Tazewell and Woodford.

Dense fog through midmorning Monday with visibilities at or below one-quarter of a mile will make driving dangerous. Scattered thunderstorms are expected to develop along and ahead of an approaching cold front in the afternoon. No widespread severe weather is expected; however, isolated strong storms may be capable of producing strong, gusty winds after 2 p.m.

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See graphical depiction or see below.

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

[Text from National Weather Service, Lincoln office]

Dense fog will affect portions of central Illinois this morning. Some visibilities will be less than one-quarter mile, making driving hazardous. The fog is expected to lift during the morning as a cold front approaches from the northwest. The front will move into central Illinois during the afternoon. Showers and thunderstorms will be possible with the passage of the front. Some of the strongest storms may produce gusty winds. Cool temperatures will be the rule on Tuesday, with afternoon highs only in the 60s.

[Graphic copied from National Weather Service, Lincoln office]