Bethany, IL Weather Forecast

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Bethany, IL Weather Forecast

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Bethany IL weather  - Clear - 79°F
Clear
79°F
Updated 2:08 am
Feels Like 79°F
Humidity 71%
Wind SW 5 mph
Barometer  29.96 in
Dew Point 69°F
Bethany IL weather  - Clear - 26°C
Clear
26°C
Updated 2:08 am
Feels Like 26°C
Humidity 71%
Wind SW 8 km/h
Barometer  101.4 kPa
Dew Point 21°C

Bethany Weather Forecast

REST OF TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY MONDAY NIGHT TUESDAY
Bethany, IL Weather - Rest Of Tonight Clear Bethany, IL Weather - Friday Sunny Bethany, IL Weather - Friday Night Chance Of T-Storm Bethany, IL Weather - Saturday Sunny Bethany, IL Weather - Saturday Night Mostly Clear Bethany, IL Weather - Sunday Mostly Clear Bethany, IL Weather - Monday Mostly Clear Bethany, IL Weather - Tuesday Mostly Clear Bethany, IL Weather - Wednesday Mostly Clear Bethany, IL Weather - Thursday Mostly Clear Bethany, IL Weather - Monday Night Partly Cloudy Bethany, IL Weather - Tuesday Mostly Clear
Clear Sunny Chance of T-Storm Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Mostly Clear
Lo: 75°FLo: 24°C Hi: 99°FHi: 37°C
Lo: 71°FLo: 22°C Hi: 95°FHi: 35°C
Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C
Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C
Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C
Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C
Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C
Lo: 61°FLo: 16°C Hi: 95°FHi: 35°C
Lo: 71°FLo: 22°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1237 AM CDT Fri Sep 04 2026 Bethany, IL Weather - WeatherWorld.com

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Issued: 147 AM CDT Fri Sep 4 2026

Key Messages

  • An Extreme Heat Warning remains in effect areawide today and for parts of the area Saturday with dangerous heat index values between 100 and 110 degrees.
  • There is a very low chance (10-15%) for an isolated shower or thunderstorm late this afternoon and evening.

Discussion

... Issued at 147 AM CDT Fri Sep 4 2026

Heat will continue to be our main concern over the next week. An Extreme Heat Warning remains in effect areawide through Friday. The Extreme Heat Warning will be maintained for t...