Summum, IL Weather Forecast

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Summum, IL Weather Forecast

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Summum IL weather  - Clear - 27°F
Clear
27°F
Updated 1:03 am
Feels Like 27°F
Humidity 90%
Wind N 0 mph
Barometer  30.39 in
Dew Point 24°F
Summum IL weather  - Clear - -3°C
Clear
-3°C
Updated 1:03 am
Feels Like -3°C
Humidity 90%
Wind N 0 km/h
Barometer  102.9 kPa
Dew Point -4°C

Summum Weather Forecast

REST OF TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY FRIDAY FRIDAY NIGHT SATURDAY
Summum, IL Weather - Rest Of Tonight Clear Summum, IL Weather - Sunday Mostly Sunny Summum, IL Weather - Sunday Night Mostly Clear Summum, IL Weather - Monday Sunny Summum, IL Weather - Monday Night Clear Summum, IL Weather - Tuesday Sunny Summum, IL Weather - Tuesday Night Mostly Clear Summum, IL Weather - Wednesday Partly Cloudy Summum, IL Weather - Thursday Partly Cloudy Summum, IL Weather - Friday Partly Cloudy Summum, IL Weather - Friday Night Partly Cloudy Summum, IL Weather - Saturday Chance Of Rain
Clear Mostly Sunny Mostly Clear Sunny Clear Sunny Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Chance of Rain
Lo: 29°FLo: -2°C Hi: 51°FHi: 11°C
Lo: 29°FLo: -2°C Hi: 55°FHi: 13°C
Lo: 31°FLo: -1°C Hi: 59°FHi: 15°C
Lo: 35°FLo: 2°C Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C
Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C
Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C
Lo: 50°FLo: 10°C Hi: 69°FHi: 21°C
POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1227 AM CST Sun Nov 15 2026 Summum, IL Weather - WeatherWorld.com

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Issued: 952 PM CST Sat Nov 14 2026

Key Messages

  • Below normal temperatures will prevail through this weekend, with a warming trend bringing temperatures back to above normal levels during mid and late week.
  • Another long stretch of dry weather is expected across central and southeast IL through mid week, and possibly through Friday. Dry weather with warming temperatures may allow the moderate to severe drought over east central and southeast IL to continue to expand further into central IL.

Discussion

... Issued at 230 PM CST Sat Nov ...