QUINCY (WGEM) – Parts of the Tri-States woke up to patchy dense fog Wednesday morning, but by noon, the fog lifted and skies were partly cloudy. As for the rest of Wednesday, low pressure to our east will be slow to move out, and that will allow for gradual clearing as the evening progresses. Overnight Wednesday, skies will be mainly clear and temperatures will be in the middle and upper 50s, making it perfect to open the windows overnight.
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Thursday will feature even more sunshine as high pressure begins to approach the area. In addition, temperatures will be on the climb. For Thursday, most of the region will jump into the mid 80s and by Friday, just about everyone will be in the upper 80s. While it will be very warm, conditions will also be dry, making for good opportunities to get yardwork done.
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Late in the week, an Omega Block will develop over the central and eastern United States. This is when a high pressure develops with low pressure to its west and east, essentially locking the high pressure in place. This looks like the Greek letter “omega” on a national satellite map, and it leads to extended periods of dry and unseasonably warm weather under the high pressure.
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Daytime highs heading into the weekend will flirt with and top 90 degrees, which is a solid 15-20 degrees above average for this time of year. In fact, on Saturday, the current record is 91 degrees and was set in 1952 – that record may be tied. All-in-all, this means the Tri-States has entered “Second Summer” just in time for the beginning of October.
Source : WGEM
