St. Elmo, IL Weather Forecast

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St. Elmo, IL Weather Forecast

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St. Elmo IL weather  - Mist - 60°F
Mist
60°F
Updated 1:36 pm
Feels Like 63°F
Humidity 93%
Wind SE 9 mph
Barometer  30.09 in
Dew Point 58°F
St. Elmo IL weather  - Mist - 15°C
Mist
15°C
Updated 1:36 pm
Feels Like 17°C
Humidity 93%
Wind SE 14 km/h
Barometer  101.9 kPa
Dew Point 15°C

St. Elmo Weather Forecast

THIS AFTERNOON TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT
St. Elmo, IL Weather - This Afternoon Cloudy St. Elmo, IL Weather - Tonight Mostly Cloudy St. Elmo, IL Weather - Tuesday Chance Of T-Storm St. Elmo, IL Weather - Tuesday Night Chance Of T-Storm St. Elmo, IL Weather - Wednesday Chance Of Rain St. Elmo, IL Weather - Wednesday Night Clearing St. Elmo, IL Weather - Thursday Mostly Sunny St. Elmo, IL Weather - Thursday Night Chance Of Rain St. Elmo, IL Weather - Friday Partly Sunny St. Elmo, IL Weather - Friday Night Partly Cloudy St. Elmo, IL Weather - Saturday Mostly Cloudy St. Elmo, IL Weather - Saturday Night Mostly Cloudy
Cloudy Mostly Cloudy Chance of T-Storm Chance of T-Storm Chance of Rain Clearing Mostly Sunny Chance of Rain Partly Sunny Partly Cloudy Mostly Cloudy Mostly Cloudy
Hi: 65°FHi: 18°C
Lo: 60°FLo: 16°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C Hi: 61°FHi: 16°C
Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
Lo: 41°FLo: 5°C Hi: 59°FHi: 15°C
Lo: 39°FLo: 4°C Hi: 59°FHi: 15°C
Lo: 35°FLo: 2°C
Hi: 59°FHi: 15°C
Lo: 35°FLo: 2°C
POP: 100% POP: 100% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1224 PM CST Mon Nov 02 2026 St. Elmo, IL Weather - WeatherWorld.com

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Issued: 1234 PM CST Mon Nov 2 2026

Key Messages

  • Breezy conditions and widespread showers and isolated thunderstorms are expected ahead of a cold front late tonight into Tuesday.
  • Cooler, but seasonable temperatures are expected the rest of the week with mostly dry conditions.

Aviation

/18Z TAFS THROUGH 00Z WEDNESDAY/... Issued at 1124 AM CST Mon Nov 2 2026

Ceilings are expected to continue rising from IFR to MVFR through this afternoon, persisting through most, if not all of the TAF period. With the back edge of MVFR ceilings potentia...