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Chicago, IL Weather Forecast

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Chicago, IL Weather Forecast

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Chicago IL weather - Mostly Clear - 68°F
Mostly Clear
68°F
Updated 5:35 am
Feels Like 59°F
Humidity 81%
Wind NW 6 mph
Barometer  29.97 in
Dew Point 62°F
Chicago IL weather - Mostly Clear - 20°C
Mostly Clear
20°C
Updated 5:35 am
Feels Like 15°C
Humidity 81%
Wind NW 10 km/h
Barometer  101.5 kPa
Dew Point 17°C
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Chicago Weather Forecast

EARLY THIS MORNING TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Chicago, IL Weather - Early This Morning Mostly Cloudy Chicago, IL Weather - Today Chance Of Showers Chicago, IL Weather - Tonight Partly Cloudy Chicago, IL Weather - Tuesday Chance Of T-Storm Chicago, IL Weather - Tuesday Night Chance Of T-Storm Chicago, IL Weather - Wednesday Chance Of Showers Chicago, IL Weather - Wednesday Night Partly Cloudy Chicago, IL Weather - Thursday Partly Cloudy Chicago, IL Weather - Thursday Night Partly Cloudy Chicago, IL Weather - Friday Partly Cloudy Chicago, IL Weather - Friday Night Partly Cloudy Chicago, IL Weather - Saturday Chance Of T-Storm
Mostly Cloudy Chance of Showers Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of Showers Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Chance of T-Storm
Hi: 70°FHi: 21°C
 Hi: 75°FHi: 24°C
 Lo: 65°FLo: 18°C Hi: 80°FHi: 27°C
 Lo: 69°FLo: 21°C Hi: 75°FHi: 24°C
 Lo: 65°FLo: 18°C Hi: 75°FHi: 24°C
 Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
 Lo: 65°FLo: 18°C Hi: 79°FHi: 26°C
POP: 20% POP: 50% POP: 70% POP: 20% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 220 AM CDT Mon Aug 17 2026 Chicago, IL Weather - WeatherWorld.com

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Chicago Forecast Discussion

Issued: 325 AM CDT Mon Aug 17 2026

Key Messages

  • Threat for severe thunderstorms and flash flooding Tuesday afternoon/night.


Discussion

... Issued at 325 AM CDT Mon Aug 17 2026

Any lingering showers have since shifted southeast of the area in the wake of a cold front which will bring a brief break today from the active weather pattern. A reinforcing lake enhanced front is currently moving down the western side of Lake Michigan and will drift into the area this morning. A low-level convergence axis is expe...