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St. Peters School, IL Weather Forecast

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St. Peters School, IL Weather Forecast

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St. Peters School IL weather - Clear - 65°F
Clear
65°F
Updated 11:29 pm
Feels Like 67°F
Humidity 93%
Wind SE 5 mph
Barometer  30.02 in
Dew Point 63°F
St. Peters School IL weather - Clear - 18°C
Clear
18°C
Updated 11:29 pm
Feels Like 20°C
Humidity 93%
Wind SE 8 km/h
Barometer  101.7 kPa
Dew Point 17°C
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St. Peters School Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
St. Peters School, IL Weather - Rest Of Tonight Mostly Clear St. Peters School, IL Weather - Tuesday Chance Of T-Storm St. Peters School, IL Weather - Tuesday Night Chance Of T-Storm St. Peters School, IL Weather - Wednesday Partly Cloudy St. Peters School, IL Weather - Wednesday Night Partly Cloudy St. Peters School, IL Weather - Thursday Mostly Sunny St. Peters School, IL Weather - Thursday Night Chance Of Showers St. Peters School, IL Weather - Friday Chance Of T-Storm St. Peters School, IL Weather - Friday Night Chance Of Showers St. Peters School, IL Weather - Saturday Partly Cloudy St. Peters School, IL Weather - Saturday Night Mostly Clear St. Peters School, IL Weather - Sunday Partly Cloudy
Mostly Clear Chance of T-Storm Chance of T-Storm Partly Cloudy Partly Cloudy Mostly Sunny Chance of Showers Chance of T-Storm Chance of Showers Partly Cloudy Mostly Clear Partly Cloudy
Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
 Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 60°FLo: 16°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
POP: 50% POP: 50% POP: 20% POP: 30% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 916 PM CDT Mon Aug 17 2026 St. Peters School, IL Weather - WeatherWorld.com

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St. Peters School Forecast Discussion

Issued: 625 PM CDT Mon Aug 17 2026

Key Messages

  • Threat for severe thunderstorms and flash flooding Tuesday afternoon/night.


Discussion

... Issued at 252 PM CDT Mon Aug 17 2026

While the weather is pleasant and quiet for a change today, attention quickly shifts to Tuesday afternoon and evening as a mid/upper trough digs into the Great Lakes. As this occurs, a belt of enhanced mid and upper level flow will sag southward into the Midwest and steer a series of mid-level impulses right across our area as a su...