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Piasa, IL Weather Forecast

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Piasa, IL Weather Forecast

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Piasa IL weather - Clear - 48°F
Clear
48°F
Updated 3:11 am
Feels Like 53°F
Humidity 95%
Wind N 0 mph
Barometer  30.17 in
Dew Point 47°F
Piasa IL weather - Clear - 9°C
Clear
9°C
Updated 3:11 am
Feels Like 12°C
Humidity 95%
Wind N 0 km/h
Barometer  102.2 kPa
Dew Point 8°C
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Piasa Weather Forecast

REST OF TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY SATURDAY
Piasa, IL Weather - Rest Of Tonight Mostly Clear Piasa, IL Weather - Sunday Sunny Piasa, IL Weather - Sunday Night Mostly Clear Piasa, IL Weather - Monday Sunny Piasa, IL Weather - Monday Night Clear Piasa, IL Weather - Tuesday Clear Piasa, IL Weather - Wednesday Clear Piasa, IL Weather - Wednesday Night Mostly Clear Piasa, IL Weather - Thursday Chance Of Showers Piasa, IL Weather - Thursday Night Chance Of Showers Piasa, IL Weather - Friday Mostly Clear Piasa, IL Weather - Saturday Mostly Clear
Mostly Clear Sunny Mostly Clear Sunny Clear Clear Clear Mostly Clear Chance of Showers Chance of Showers Mostly Clear Mostly Clear
Lo: 45°FLo: 7°C Hi: 79°FHi: 26°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 80°FHi: 27°C
Lo: 55°FLo: 13°C		 Hi: 80°FHi: 27°C
Lo: 55°FLo: 13°C		 Lo: 51°FLo: 11°C Hi: 81°FHi: 27°C
Lo: 55°FLo: 13°C		 Hi: 81°FHi: 27°C
Lo: 55°FLo: 13°C		 Hi: 85°FHi: 29°C
Lo: 55°FLo: 13°C		 Hi: 85°FHi: 29°C
Lo: 55°FLo: 13°C
POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Sun Oct 04 2026 Piasa, IL Weather - WeatherWorld.com

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Issued: 1243 AM CDT Sun Oct 4 2026

Key Messages

  • No hazardous weather is expected through the forecast period as temperatures gradually warm and dry weather prevails.

Aviation

/06Z TAFS THROUGH 12Z MONDAY/... Issued at 1240 AM CDT Sun Oct 4 2026

VFR conditions are expected throughout the 06Z TAF period. A few patches of shallow fog are possible at river valley terminals (JEF/SUS/CPS) early this morning but this is not expected to be impactful. Calm surface winds overnight will become light and northerly this afternoon as a weak cold f...