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NewsNBC Chicago – LocalJuly 17, 2026Illinois

How upcoming storms will affect Chicago's wildfire smoke

Scattered thunderstorms are expected to provide temporary relief from hazardous wildfire smoke in the Chicago area through Friday evening. While the rain and wind shifts will clear the air, meteorologists warn that smoke is likely to return by Saturday afternoon and persist into Sunday.

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Why It Matters

Residents in the Chicago area will experience temporary improvements in air quality due to rain and wind shifts, followed by a potential return of smoke and a risk of severe storms south of Interstate 88 this weekend.

Key Facts

  • Scattered thunderstorms are forecast for the Chicago area on Friday afternoon and evening.
  • Peak storm coverage is expected between 1 p.m. and 9 p.m. on Friday.
  • Rain and a shift in wind direction are expected to temporarily reduce wildfire smoke levels.
  • Smoke is expected to return to the region on Saturday afternoon and evening.
  • Smoke conditions may persist or thicken through Sunday.
  • A second round of storms is expected on Saturday, primarily south of Interstate 88.
  • Saturday storms carry a risk of damaging wind gusts and localized flooding.
  • Temperatures are expected to drop into the 80s following a recent period of extreme heat.

Who's Mentioned

personIisha Scott“NBC 5 Storm Team Meteorologist who provided the weekend smoke and severe storm o”locationChicago“The primary region affected by the wildfire smoke and weather forecast.”personAlicia Roman“NBC 5 Storm Team Meteorologist who explained the temporary nature of the smoke r”organizationNational Weather Service“Provided the forecast for storm timing and air quality improvements.”locationInterstate 88“Geographic marker for the area at higher risk for severe storms on Saturday.”