Key School, IL Weather Forecast

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Key School, IL Weather Forecast

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Key School IL weather  - Partly Cloudy - 83°F
Partly Cloudy
83°F
Updated 1:07 am
Feels Like 82°F
Humidity 72%
Wind SE 5 mph
Barometer  29.9 in
Dew Point 73°F
Key School IL weather  - Partly Cloudy - 28°C
Partly Cloudy
28°C
Updated 1:07 am
Feels Like 28°C
Humidity 72%
Wind SE 8 km/h
Barometer  101.3 kPa
Dew Point 23°C

Key School Weather Forecast

OVERNIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Key School, IL Weather - Overnight Chance Of T-Storm Key School, IL Weather - Saturday Patchy Fog Key School, IL Weather - Saturday Night Clearing Key School, IL Weather - Sunday Mostly Sunny Key School, IL Weather - Sunday Night Partly Cloudy Key School, IL Weather - Labor Day Partly Cloudy Key School, IL Weather - Monday Night Partly Cloudy Key School, IL Weather - Tuesday Partly Cloudy Key School, IL Weather - Tuesday Night Partly Cloudy Key School, IL Weather - Wednesday Partly Cloudy Key School, IL Weather - Wednesday Night Chance Of Showers Key School, IL Weather - Thursday Partly Cloudy
Chance of T-Storm Patchy Fog Clearing Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Chance of Showers Partly Cloudy
Lo: 75°FLo: 24°C Hi: 85°FHi: 29°C
Lo: 69°FLo: 21°C Hi: 79°FHi: 26°C
Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
Lo: 71°FLo: 22°C Hi: 90°FHi: 32°C
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
POP: 50% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 1141 PM CDT Fri Sep 04 2026 Key School, IL Weather - WeatherWorld.com

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Issued: 1228 AM CDT Sat Sep 5 2026

Key Messages

  • Chance of scattered showers and thunderstorms tonight.
  • Gradually turning cooler and less humid this weekend, though remaining seasonably warm.
  • Moderate to high swim risk expected late Saturday into early Sunday during the final weekend of beach season.

Discussion

... Issued at 314 PM CDT Fri Sep 4 2026

Breezy east-northeasterly winds this morning in the wake of the outflow boundary have significantly impacted the ability to heat up through early afternoon. This has particularly been tru...