Lilly, IL Weather Forecast

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Lilly, IL Weather Forecast

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Lilly IL weather  - Partly Cloudy - 74°F
Partly Cloudy
74°F
Updated 9:12 pm
Feels Like 74°F
Humidity 100%
Wind NNE 10 mph
Barometer  30.27 in
Dew Point 74°F
Lilly IL weather  - Partly Cloudy - 23°C
Partly Cloudy
23°C
Updated 9:12 pm
Feels Like 24°C
Humidity 100%
Wind NNE 16 km/h
Barometer  102.5 kPa
Dew Point 23°C

Lilly Weather Forecast

TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
Lilly, IL Weather - Tonight Chance Of T-Storm Lilly, IL Weather - Thursday Chance Of T-Storm Lilly, IL Weather - Thursday Night Chance Of T-Storm Lilly, IL Weather - Friday Chance Of Showers Lilly, IL Weather - Friday Night Partly Cloudy Lilly, IL Weather - Saturday Mostly Sunny Lilly, IL Weather - Saturday Night Chance Of T-Storm Lilly, IL Weather - Sunday Chance Of T-Storm Lilly, IL Weather - Sunday Night Chance Of T-Storm Lilly, IL Weather - Monday Chance Of Showers Lilly, IL Weather - Monday Night Chance Of Showers Lilly, IL Weather - Tuesday Partly Sunny
Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Partly Cloudy Mostly Sunny Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Partly Sunny
Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
Lo: 69°FLo: 21°C Hi: 90°FHi: 32°C
Lo: 69°FLo: 21°C Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C
Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C
Hi: 79°FHi: 26°C
Lo: 60°FLo: 16°C Hi: 75°FHi: 24°C
POP: 50% POP: 50% POP: 20% POP: 40% POP: 70% POP: 50% POP: 50% POP: 50% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 607 PM CDT Wed Sep 16 2026 Lilly, IL Weather - WeatherWorld.com

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Issued: 555 PM CDT Wed Sep 16 2026

Key Messages

  • A Heat Advisory has been issued for areas south of I-70 through Thursday, with afternoon heat index values near 105 degrees. While humidity levels drop off a bit late in the week, highs in the 90s are likely to prevail in this area through the weekend.
  • After heavy rain occurred last night over the northern parts of the forecast area, potential exists for additional heavy rain tonight. While the greatest threat is closer to I-80, a Flood Watch has been issued for Knox, Stark and Marsh...