He anchors the weekend morning newscasts with Tracey Leong. He also lets viewers know whether their Saturday afternoon cookouts will be washouts or whether to invest in window air conditioners to prep for a Sunday heat wave.
Tim also reports on breaking news and other unfolding events of interest to residents of this region.
The Baltimore native came back home to Maryland when WJZ hired him in 1995. He has also worked at television stations in Jacksonville, Florida and Hagerstown, Md.
Williams received degrees from both Towson State University and the Broadcasting Institute of Maryland, as well as a meteorology degree from Mississippi State University.
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High pressure builds to the south through Thursday.
After a brutally chilly Saturday across the area, with wind and highs ranging from the middle 30s to lower 40s, Sunday will not feel as bad.
The bitter cold has returned to the Northeast to begin the first weekend of March.
This strong line of storms will occur ahead of a strong cold front which will quickly drop temperatures for Saturday night.
The NWS forecast calls for a very warm day in store today with the area ensconced in the warm sector of a low pressure system passing through the Great Lakes.
Record high temperatures are still expected to be challenged Thursday and Friday.
There will still be a few clouds around in the morning, before sunshine fills the sky in the afternoon.
There will be increasing clouds today with a high near 67, with light southwest winds increasing to 5 to 9 mph in the morning.
Following a cold end of the week, the weekend will start out much nicer. Current radar shows an area of snow well off to the north and east.
All in all, we expect a pretty nice day Sunday, with a mixture of clouds and sunshine, and snow likely overnight.
This storm is long gone as high pressure will move in for Sunday and Monday.
The National Weather Service says a Winter Weather Advisory is in effect for parts of Maryland, from 3 a.m. Saturday until 3 p.m. Saturday.