A sluggish, upper-level low pressure system is slow to move away

Tracking potential timing of scattered showers and thunderstorms

Scattered showers and possible thunderstorms to come in distinct clusters at times, with the greatest chance Friday night into Saturday, then smaller chance on Sunday

8-day streak without rainfall came to an end Thursday

Heaviest area totals through Thursday evening….note more storms were expected overnight into Friday morning which will add to these amounts.

Official city totals

August off to a dry start; monthly total through Thursday:

Plenty of sunshine on tap Friday following Thursday’s damp, dreary conditions

Modest chop on Lake Michigan, but much-improved swimming conditions are expected Friday.

Thursday’s cloudy skies amounted to zero percent of possible sunshine but sunshine returns Friday

Friday’s forecast

While most of the day is expected to be dry and sunny, there is a chance for some scattered thunderstorms to arrive Friday evening, some of which could be strong or borderline severe. Chicago area is in a level 1 of 5 currently for the potential of seeing a strong or severe thunderstorm.

Friday’s Severe outlook

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