Chemung, IL Weather Forecast

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Chemung, IL Weather Forecast

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Chemung IL weather  - Clear - 42°F
Clear
42°F
Updated 11:38 pm
Feels Like 48°F
Humidity 100%
Wind N 0 mph
Barometer  30.37 in
Dew Point 42°F
Chemung IL weather  - Clear - 6°C
Clear
6°C
Updated 11:38 pm
Feels Like 9°C
Humidity 100%
Wind N 0 km/h
Barometer  102.8 kPa
Dew Point 6°C

Chemung Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Chemung, IL Weather - Rest Of Tonight Patchy Fog Chemung, IL Weather - Tuesday Mostly Sunny Chemung, IL Weather - Tuesday Night Partly Cloudy Chemung, IL Weather - Wednesday Mostly Sunny Chemung, IL Weather - Wednesday Night Mostly Clear Chemung, IL Weather - Thursday Mostly Sunny Chemung, IL Weather - Thursday Night Mostly Clear Chemung, IL Weather - Friday Mostly Sunny Chemung, IL Weather - Friday Night Partly Cloudy Chemung, IL Weather - Saturday Partly Cloudy Chemung, IL Weather - Saturday Night Mostly Cloudy Chemung, IL Weather - Sunday Mostly Cloudy
Patchy Fog Mostly Sunny Partly Cloudy Mostly Sunny Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy
Lo: 41°FLo: 5°C Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 70°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 70°FHi: 21°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
POP = Probability of Precipitation.
Weather Outlook Updated: 921 PM CDT Mon Oct 19 2026 Chemung, IL Weather - WeatherWorld.com

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Chemung Forecast Discussion

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Issued: 615 PM CDT Mon Oct 19 2026

Key Messages

  • Shallow fog may develop in northeastern Illinois early Tuesday morning. Any fog would dissipate a few hours after sunrise.
  • An extended period of dry and above to much above average temperatures is expected through the next 7 days.

Discussion

... Issued at 1223 PM CDT Mon Oct 19 2026

The only item of note is a threat for shallow fog overnight into tomorrow morning near Lake Michigan where a modestly more moist environment will advect inland. Otherwise, no significant weather is expected ...