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Union School, IL Weather Forecast

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Union School, IL Weather Forecast

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Union School IL weather - Mostly Cloudy - 67°F
Mostly Cloudy
67°F
Updated 4:04 am
Feels Like 67°F
Humidity 93%
Wind N 0 mph
Barometer  30.02 in
Dew Point 65°F
Union School IL weather - Mostly Cloudy - 19°C
Mostly Cloudy
19°C
Updated 4:04 am
Feels Like 20°C
Humidity 93%
Wind N 0 km/h
Barometer  101.6 kPa
Dew Point 18°C
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Union School Weather Forecast

REST OF TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Union School, IL Weather - Rest Of Tonight Patchy Fog Union School, IL Weather - Friday Patchy Fog Union School, IL Weather - Friday Night Partly Cloudy Union School, IL Weather - Saturday Mostly Sunny Union School, IL Weather - Saturday Night Partly Cloudy Union School, IL Weather - Sunday Partly Cloudy Union School, IL Weather - Monday Partly Cloudy Union School, IL Weather - Monday Night Mostly Clear Union School, IL Weather - Tuesday Mostly Sunny Union School, IL Weather - Tuesday Night Chance Of T-Storm Union School, IL Weather - Wednesday Chance Of T-Storm Union School, IL Weather - Wednesday Night Chance Of Showers
Patchy Fog Patchy Fog Partly Cloudy Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Sunny Chance of T-Storm Chance of T-Storm Chance of Showers
Lo: 60°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C		 Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C		 Lo: 70°FLo: 21°C Hi: 90°FHi: 32°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
 Lo: 65°FLo: 18°C
POP: 50% POP: 60% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 222 AM CDT Fri Sep 11 2026 Union School, IL Weather - WeatherWorld.com

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Issued: 209 AM CDT Fri Sep 11 2026

Key Messages

  • Dense fog will reduce visibility to a quarter mile or less across portions of central Illinois through mid-morning. Drive with caution and allow extra stopping distance.
  • Isolated showers and possibly a brief funnel cloud or two are possible this afternoon and evening south of I-72, but the overall severe storm threat is very low.
  • Summerlike heat returns this weekend with highs approaching 90 degrees in parts of central Illinois, followed by periodic chances for thunderstorms next wee...