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Percival, IL Weather Forecast

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Percival, IL Weather Forecast

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Percival IL weather - Overcast - 61°F
Overcast
61°F
Updated 8:09 am
Feels Like 55°F
Humidity 82%
Wind ENE 5 mph
Barometer  30.19 in
Dew Point 56°F
Percival IL weather - Overcast - 16°C
Overcast
16°C
Updated 8:09 am
Feels Like 13°C
Humidity 82%
Wind ENE 8 km/h
Barometer  102.2 kPa
Dew Point 13°C
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Percival Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SUNDAY SUNDAY NIGHT MONDAY
Percival, IL Weather - Today Cloudy Percival, IL Weather - Tonight Mostly Cloudy Percival, IL Weather - Wednesday Cloudy Percival, IL Weather - Wednesday Night Partly Cloudy Percival, IL Weather - Thursday Partly Sunny Percival, IL Weather - Thursday Night Partly Cloudy Percival, IL Weather - Friday Partly Cloudy Percival, IL Weather - Friday Night Partly Cloudy Percival, IL Weather - Saturday Mostly Cloudy Percival, IL Weather - Sunday Mostly Cloudy Percival, IL Weather - Sunday Night Partly Cloudy Percival, IL Weather - Monday Partly Cloudy
Cloudy Mostly Cloudy Cloudy Partly Cloudy Partly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy
Hi: 71°FHi: 22°C
 Lo: 59°FLo: 15°C Hi: 70°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Lo: 49°FLo: 9°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 85°FHi: 29°C
Lo: 55°FLo: 13°C		 Hi: 85°FHi: 29°C
Lo: 55°FLo: 13°C
POP = Probability of Precipitation.
Weather Outlook Updated: 422 AM CDT Tue Sep 22 2026 Percival, IL Weather - WeatherWorld.com

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Percival Forecast Discussion

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Issued: 543 AM CDT Tue Sep 22 2026

Key Messages

  • No significant weather is anticipated across central Illinois over the next week.

Discussion

... Issued at 315 AM CDT Tue Sep 22 2026

07z/2am surface analysis shows a 1032mb high anchored over Ontario/Quebec while a stationary frontal boundary is draped from the southern Appalachians to Texas. Despite synoptic subsidence and a drying E/NE flow from the Great Lakes, ample cloud cover remains locked in place across the Midwest early this morning. The latest IR satellite imagery shows a fe...