Be sure to check the Chicago weather forecast before tonight's Fourth of July fireworks. Scattered storms in the afternoon and evening could produce heavy rain, damaging winds and possible lightning, impacting some fireworks displays.
Storms are possible in 30 to 40 percent of the Chicago area. While an isolated storm is possible throughout the day, the best chance is after 3 p.m. or 4 p.m.
Any storms end early, giving way to a partly cloudy, hazy, warm and humid night with temperatures in the low-to-mid 70s overnight.
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Expect otherwise hot, humid and hazy conditions during the day. High temperatures are expected to reach the upper 80s to low 90s, but a little cooler along the lake.
Friday looks partly sunny, continued hot and humid with scattered showers and storms in the afternoon and evening. Highs persist in the upper 80s to low 90s with heat index readings in the 90s.
LIVE Chicago radar
Scattered showers are possible early Saturday morning before the day turns partly sunny, cooler and less humid in the afternoon. Highs are expected in the low 80s inland, but cooler low 70s along the lake.
Sunday conditions look mostly sunny and pleasant with low humidity and highs in the upper 70s to low 80s inland.
Back to work Monday after a long weekend? You'll be met with mostly sunny skies and seasonably warm conditions with low humidity.