Motorists are urged to drive with extreme caution as the entire state is again under a dense fog advisory, with eight counties in southwest Iowa facing freezing fog. Visibility is drastically reduced, especially in low-lying areas. National Weather Service meteorologist Mindy Beerends says it’s the third day in a row of the thick fog.

The fog will continue at least through the morning and may lift a little in the afternoon, but she says a storm system will approach later in the day. Beerends expects that storm to start producing precipitation over much of Iowa late tonight and into Wednesday morning.

She say we’re expecting mainly freezing rain and there could be ice accumulations of three-tenths of an inch or so.

A Winter Storm Watch will take effect tonight, running through tomorrow afternoon, or later in some areas. Beerends says there may be a brief break from wintry weather later this week — until another storm system makes its way towards Iowa for the weekend. She says the precip will likely continue into Thursday morning and may mix with sleet, tapering off by Thursday night.

There may be a respite on Friday with a new storm front arriving on Saturday, but if it stays warm enough, that next system may only bring rain into Saturday night. For more details, see “www.weather.gov”.

By Pat Powers, KQWC, Webster City

Radio Iowa