Flat Rock, IL Weather Forecast

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Flat Rock, IL Weather Forecast

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Flat Rock IL weather  - Overcast - 64°F
Overcast
64°F
Updated 4:37 am
Feels Like 56°F
Humidity 82%
Wind S 15 mph
Barometer  30.03 in
Dew Point 59°F
Flat Rock IL weather  - Overcast - 18°C
Overcast
18°C
Updated 4:37 am
Feels Like 13°C
Humidity 82%
Wind S 24 km/h
Barometer  101.7 kPa
Dew Point 15°C

Flat Rock Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SUNDAY MONDAY
Flat Rock, IL Weather - Rest Of Tonight Partly Cloudy Flat Rock, IL Weather - Tuesday Partly Sunny Flat Rock, IL Weather - Tuesday Night Rain Flat Rock, IL Weather - Wednesday Chance Of Rain Flat Rock, IL Weather - Wednesday Night Partly Cloudy Flat Rock, IL Weather - Thursday Sunny Flat Rock, IL Weather - Thursday Night Mostly Cloudy Flat Rock, IL Weather - Friday Mostly Cloudy Flat Rock, IL Weather - Friday Night Partly Cloudy Flat Rock, IL Weather - Saturday Partly Cloudy Flat Rock, IL Weather - Sunday Partly Cloudy Flat Rock, IL Weather - Monday Sunny
Partly Cloudy Partly Sunny Rain Chance of Rain Partly Cloudy Sunny Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Sunny
Lo: 60°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 60°FLo: 16°C Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C
Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C
Hi: 60°FHi: 16°C
Lo: 39°FLo: 4°C
Hi: 60°FHi: 16°C
Lo: 39°FLo: 4°C
Hi: 60°FHi: 16°C
Lo: 39°FLo: 4°C
Hi: 60°FHi: 16°C
POP: 90% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1227 AM CST Tue Nov 03 2026 Flat Rock, IL Weather - WeatherWorld.com

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Issued: 240 AM CST Tue Nov 3 2026

Key Messages

  • Gusty south winds of 30 to 40 mph will develop today ahead of an approaching cold front.
  • A localized threat for severe thunderstorms will develop late this afternoon into this evening, mainly south of Interstate 72. The primary threat is isolated damaging wind gusts.
  • Rain totals tonight will be lighter than earlier expectations, with most areas receiving between 0.10 and 0.50 inches. There is only a low (10% to 30%) chance for rainfall exceeding 1 inch.
  • Breezy and cooler conditions w...