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Chicago’s Weather Gives a Slight Reprieve Today Before Scorching Fourth of July Heatwave Hits

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Published on July 01, 2025
Chicago’s Weather Gives a Slight Reprieve Today Before Scorching Fourth of July Heatwave HitsSource: X/NWS Chicago

Chicagoans who have been enduring the recent string of humid days can expect a break today as temperatures moderate somewhat. According to the National Weather Service, the forecast for the city will bring sunny skies with highs hovering near 84 degrees and northerly winds transitioning eastward by afternoon. In the evening, a slight drop in wind speeds accompanies temperatures as they descend to a more comfortable low around 70.

Looking ahead, as indicated by a report by FOX 32, Wednesday is poised to scorch with "mostly sunny as the hot air return." Highs are expected around the 90-degree mark, significantly turning up the heat from today's more forgiving weather. This trend of rising temperatures is a precursor to the Fourth of July, which is anticipated to be "plain hot" with sizzling mid-90s highs and oppressive humidity levels.

Interestingly, this bout of heat is not without precedent. As we advance through the week, Chicago will see the continuation of what has been a particularly warm season, with last month ranking as the sixth-warmest June on record for the metropolis. Stargazers planning to enjoy clearer skies tonight will appreciate the mild mid-60s, making for a pleasant contrast to the daytime heat.

Chicago's Independence Day celebrations, amid this weather pattern, will likely be coupled with challenges as the heat index is expected to exceed 100 degrees, per the same FOX 32 report. Although skies are slated to be exceptionally clear, health officials typically advise extra caution under such extreme heat conditions. The remainder of the holiday weekend follows suit with partly sunny skies and temperatures stubbornly clinging to the 90-degree range. Showers and thunderstorms could provide sporadic relief, with chances peaking around Sunday.