Thursday will bring yet another day of warmth and sunshine with high temperatures pushing this time into the low 80s. We will only start in the mid-50s with a few patches of fog across far Northeastern Illinois, but sunshine and increasing winds will quickly push the fog out and allow temperatures to begin climbing.
Afternoon wind gusts could push 25-30 mph at times out of the South-Southwest. While the strongest gusts ease after sunset, it will remain breezy into Thursday night.
A chance for storms will develop overnight into Friday morning across the Stateline. Thursday afternoon will be "capped" across the Stateline, limiting thunderstorm activity. But a line of storms will develop Thursday evening in Iowa, then push our direction late into the evening or overnight.
The late evening or overnight timing of the storms will be unfavorable for strong to severe storms, weakening them on approach. While a few isolated instances of gusty winds may be possible, the large majority, if not all, of activity will remain below severe limits.
There is a Level 1/5 Marginal Risk from the Storm Prediction Center, highlighting the very isolated risk for us locally. Stronger storms will likely develop much earlier in the day across Iowa, hence the Level 2/5 Slight Risk that direction. Any storms that produce severe weather locally will be primarily capable of gusty winds, likely under 60 mph for the large majority of them.
A few showers and rumbles of thunder will linger through Friday morning and into early afternoon but drying out for Friday evening. Most of the weekend will be dry with highs in the upper 60s to low 70s.
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