Zenith, IL Weather Forecast

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Zenith, IL Weather Forecast

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Zenith IL weather  - Clear - 69°F
Clear
69°F
Updated 11:37 pm
Feels Like 68°F
Humidity 64%
Wind ENE 7 mph
Barometer  30.04 in
Dew Point 57°F
Zenith IL weather  - Clear - 21°C
Clear
21°C
Updated 11:37 pm
Feels Like 20°C
Humidity 64%
Wind ENE 11 km/h
Barometer  101.7 kPa
Dew Point 14°C

Zenith Weather Forecast

TONIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Zenith, IL Weather - Tonight Mostly Clear Zenith, IL Weather - Labor Day Sunny Zenith, IL Weather - Monday Night Mostly Clear Zenith, IL Weather - Tuesday Sunny Zenith, IL Weather - Tuesday Night Mostly Clear Zenith, IL Weather - Wednesday Sunny Zenith, IL Weather - Wednesday Night Chance Of T-Storm Zenith, IL Weather - Thursday Chance Of T-Storm Zenith, IL Weather - Thursday Night Clearing Zenith, IL Weather - Friday Sunny Zenith, IL Weather - Friday Night Chance Of Showers Zenith, IL Weather - Saturday Chance Of Showers
Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Sunny Chance of T-Storm Chance of T-Storm Clearing Sunny Chance of Showers Chance of Showers
Lo: 61°FLo: 16°C Hi: 90°FHi: 32°C
Lo: 61°FLo: 16°C Hi: 95°FHi: 35°C
Lo: 71°FLo: 22°C Hi: 99°FHi: 37°C
Hi: 85°FHi: 29°C
Lo: 70°FLo: 21°C
Hi: 85°FHi: 29°C
Lo: 70°FLo: 21°C
Lo: 61°FLo: 16°C Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C Hi: 91°FHi: 33°C
POP: 70% POP: 70% POP: 30% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 908 PM CDT Sun Sep 06 2026 Zenith, IL Weather - WeatherWorld.com

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Issued: 550 PM CDT Sun Sep 6 2026

Key Messages

  • A Heat Advisory remains in effect till 8 PM for areas south of a line from Greenville, MO to Murray, KY for heat indices over 100 degrees.
  • Tomorrow (Labor Day) still looks to be the best day so far with highs right around 90 and dew points in the mid to upper 50s.
  • Heat indices climb into the 100-105 degree range again on Wednesday afternoon.
  • Widespread showers and storms are possible Wednesday night through Thursday with a 70% chance up north to a 30% chance down south. Conditions po...