Heat Wave Persists for Second Week, Temperatures Fluctuate

Why it matters locally: While temperatures may fluctuate, the continued heat wave poses potential health risks for vulnerable populations across Illinois, and could strain the state's energy grid as demand for air conditioning remains high.

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The persistent heat wave is projected to continue into a second week, despite a brief reduction in temperatures observed by some areas over the weekend. Forecasters indicate that the overall pattern of elevated temperatures will remain in place.