Belgium, IL Weather Forecast

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Belgium, IL Weather Forecast

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Belgium IL weather  - Clear - 70°F
Clear
70°F
Updated 4:44 am
Feels Like 69°F
Humidity 57%
Wind S 8 mph
Barometer  29.92 in
Dew Point 55°F
Belgium IL weather  - Clear - 21°C
Clear
21°C
Updated 4:44 am
Feels Like 20°C
Humidity 57%
Wind S 13 km/h
Barometer  101.3 kPa
Dew Point 13°C

Belgium Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY TUESDAY NIGHT WEDNESDAY
Belgium, IL Weather - Today Chance Of T-Storm Belgium, IL Weather - Tonight Chance Of T-Storm Belgium, IL Weather - Friday Chance Of Showers Belgium, IL Weather - Friday Night Clear Belgium, IL Weather - Saturday Sunny Belgium, IL Weather - Saturday Night Mostly Clear Belgium, IL Weather - Sunday Mostly Clear Belgium, IL Weather - Monday Clear Belgium, IL Weather - Tuesday Clear Belgium, IL Weather - Tuesday Night Mostly Clear Belgium, IL Weather - Wednesday Mostly Clear
Chance of T-Storm Chance of T-Storm Chance of Showers Clear Sunny Mostly Clear Mostly Clear Clear Clear Mostly Clear Mostly Clear
Hi: 85°FHi: 29°C
Lo: 59°FLo: 15°C Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 70°FHi: 21°C
Hi: 71°FHi: 22°C
Lo: 49°FLo: 9°C
Hi: 71°FHi: 22°C
Lo: 49°FLo: 9°C
Hi: 69°FHi: 21°C
Lo: 41°FLo: 5°C
Hi: 69°FHi: 21°C
Lo: 41°FLo: 5°C
Hi: 75°FHi: 24°C
Lo: 45°FLo: 7°C
Hi: 75°FHi: 24°C
Lo: 45°FLo: 7°C
POP: 50% POP: 100% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 337 AM CDT Thu Oct 01 2026 Belgium, IL Weather - WeatherWorld.com

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Issued: 301 AM CDT Thu Oct 1 2026

Key Messages

  • Multiple rounds of widespread rain will track across the region this afternoon through Friday morning. Broad rainfall totals of 0.25 to 0.75 inches are expected, though localized heavy rain bands could produce isolated amounts of 2 to 3 inches.
  • Temperatures drop significantly heading into the weekend, with highs in the upper 60s Friday and Saturday, and overnight lows falling into the 40s.
  • Crisp, quiet autumn weather will remain across the region through early next week before temper...