Dense Fog Continues…..Few Showers & T’Storms In Illinois

January 28th, 2013 at 10:10 pm by under Chad's WLFI Weather Blog

It still appears worst of the fog will go away overnight as stronger winds mix in.  Visibilities will likely come up from 0-0.50 mile to more like 1-3 miles.  However, count on some fog, drizzle around tonight-tomorrow morning with the potential of a few passing showers.

I will insert a passing isolated t’storm or two into the forecast, given the trends in Illinois with  storms popping.  They look like they are missing entire area, BUT some forcing overnight may pop a couple here with a few of those showers (though greatest concentration will remains west & northwest of our area).

They all appear to be popping on a secondary warm front, but also tapping into forcing as the beginning of strong jet winds overspread our area just to our west.  Secondly, some of the warm, more unstable air (yeah 74 at Kansas City & St. Louis today!) is beginning thrust up & over this secondary warm front, causing thunder, lightning & perhaps pea hail even though it is in the 40s in Illinois.  Low-level jet is increasing to our west too, helping to be another mechanism for some of these elevated t’storms.

Temperatures are rising in the far south & those rising temperatures will move northward overnight.

Tomorrow still looks mostly cloudy & windy with a few passing showers/t’storms (30%)  with highs in the lower to middle 60s.

 

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One Response to “Dense Fog Continues…..Few Showers & T’Storms In Illinois”

  1. Mary Anne Best says:

    Chad…just saw those t-storms popping in IL. not too far from me, but may travel NE and leave me alone tonight! Fog is THICK up here, too.

    LOOK for an email from sent earlier.

    MA in REM

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