Warmer and Drier This Weekend
After a few days of unsettled weather, the pattern will become much warmer and drier through the weekend.
A ridge of high pressure is moving East just to the South of the Tri-States. As the high pressure moves overhead, skies will clear out and winds will calm overnight Friday night into Saturday. This combination of clear skies and calm winds could lead to the development of patchy fog, especially along and East of the Illinois River. A Dense Fog Advisory has been issued for Scott County and much of central Illinois from 1AM to 8AM Saturday because of this potential.
As this area of high pressure continues to moves East on Saturday, winds will kick in out of the South and Southwest. This will lead to warm air advection Saturday and Sunday.
Saturday’s high temperatures will rise to around seasonable levels for this time of year, in the upper 70′s to near 80. Sunday through Tuesday, those high temperatures will climb even higher, and some areas could approach the 90 degree mark. This pattern will be accompanied by partly cloudy skies, while storm chances increase by the middle of next week.
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