It was just a few days ago when Rockford recorded 0.24 inches of rain, with dry skies to follow. And while it looks like we could see a small chance for rain return later this week, the better chances appear to remain south across central Illinois.
A weak low-pressure system will pass through southern Illinois Monday night and Tuesday, bringing with it only a slight increase in cloud cover. A very dry air mass - as indicated by dew point temperatures in the teens and low 20s - will limit any precipitation that tries to fall from reaching the surface.
Once the clouds clear Tuesday afternoon temperatures will warm back into the 50s, making it the 12th time Rockford has recorded a high temperature of 50 degrees, or higher, so far this winter season. And the warmth won't end there. Wednesday and Thursday will also feature afternoon highs in the 50s.
A slightly stronger low-pressure system will develop out west and move east Wednesday and Thursday. But it looks like the bulk of the precipitation associated with this low will remain to the south. While a light shower or two can't be ruled out with a slight return in moisture Wednesday night, the majority of the Stateline appears to miss out on the steadier, and heavier, rain through Thursday afternoon.
Following the low a slightly cooler air mass settles in with temperatures falling to the 40s, but still remaining above average, Friday and Saturday. By Sunday, afternoon highs will warm back into the 50s, with the upper 50s possible next Monday. A better chance for rain appears to return next week, with the possibility of thunderstorms.
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