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Peru, IL Weather Forecast

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Peru, IL Weather Forecast

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Peru IL weather - Clear - 52°F
Clear
52°F
Updated 11:18 pm
Feels Like 49°F
Humidity 80%
Wind N 0 mph
Barometer  30.28 in
Dew Point 46°F
Peru IL weather - Clear - 11°C
Clear
11°C
Updated 11:18 pm
Feels Like 9°C
Humidity 80%
Wind N 0 km/h
Barometer  102.5 kPa
Dew Point 8°C
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Peru Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Peru, IL Weather - Rest Of Tonight Patchy Fog Peru, IL Weather - Tuesday Patchy Fog Peru, IL Weather - Tuesday Night Mostly Cloudy Peru, IL Weather - Wednesday Clearing Peru, IL Weather - Wednesday Night Partly Cloudy Peru, IL Weather - Thursday Chance Of Showers Peru, IL Weather - Thursday Night Partly Cloudy Peru, IL Weather - Friday Chance Of Showers Peru, IL Weather - Friday Night Mostly Cloudy Peru, IL Weather - Saturday Chance Of Showers Peru, IL Weather - Saturday Night Chance Of Showers Peru, IL Weather - Sunday Chance Of Showers
Patchy Fog Patchy Fog Mostly Cloudy Clearing Partly Cloudy Chance of Showers Partly Cloudy Chance of Showers Mostly Cloudy Chance of Showers Chance of Showers Chance of Showers
Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
POP: 30% POP: 20% POP: 40% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 946 PM CDT Mon Oct 26 2026 Peru, IL Weather - WeatherWorld.com

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Issued: 619 PM CDT Mon Oct 26 2026

Key Messages

  • Some fog is possible tonight, especially south of I-80, with some threat for locally dense fog.
  • Above to much above average temperatures expected to continue through the upcoming weekend.
  • While not a wash out, there will be some periodic chances for showers and perhaps isolated thunderstorms at times late Wednesday night through the upcoming weekend.

Discussion

... Issued at 112 PM CDT Mon Oct 26 2026

Weak and somewhat ill-defined frontal boundary has slowed and becoming nearly stationa...