Roodhouse Lake, IL Weather Forecast

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Roodhouse Lake, IL Weather Forecast

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Roodhouse Lake IL weather  - Clear - 64°F
Clear
64°F
Updated 12:02 am
Feels Like 70°F
Humidity 100%
Wind N 0 mph
Barometer  30.09 in
Dew Point 64°F
Roodhouse Lake IL weather  - Clear - 18°C
Clear
18°C
Updated 12:02 am
Feels Like 21°C
Humidity 100%
Wind N 0 km/h
Barometer  101.9 kPa
Dew Point 18°C

Roodhouse Lake Weather Forecast

OVERNIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Roodhouse Lake, IL Weather - Overnight Patchy Fog Roodhouse Lake, IL Weather - Friday Patchy Fog Roodhouse Lake, IL Weather - Friday Night Chance Of Showers Roodhouse Lake, IL Weather - Saturday Sunny Roodhouse Lake, IL Weather - Saturday Night Mostly Clear Roodhouse Lake, IL Weather - Sunday Sunny Roodhouse Lake, IL Weather - Sunday Night Partly Cloudy Roodhouse Lake, IL Weather - Monday Partly Cloudy Roodhouse Lake, IL Weather - Monday Night Chance Of T-Storm Roodhouse Lake, IL Weather - Tuesday Chance Of Showers Roodhouse Lake, IL Weather - Tuesday Night Chance Of Showers Roodhouse Lake, IL Weather - Wednesday Chance Of Showers
Patchy Fog Patchy Fog Chance of Showers Sunny Mostly Clear Sunny Partly Cloudy Partly Cloudy Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers
Lo: 60°FLo: 16°C Hi: 85°FHi: 29°C
Lo: 65°FLo: 18°C Hi: 85°FHi: 29°C
Lo: 60°FLo: 16°C Hi: 81°FHi: 27°C
Hi: 80°FHi: 27°C
Lo: 59°FLo: 15°C
Hi: 80°FHi: 27°C
Lo: 59°FLo: 15°C
Lo: 61°FLo: 16°C Hi: 85°FHi: 29°C
Lo: 65°FLo: 18°C Hi: 85°FHi: 29°C
POP: 20% POP: 20% POP: 20% POP: 30% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1027 PM CDT Thu Aug 20 2026 Roodhouse Lake, IL Weather - WeatherWorld.com

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Roodhouse Lake Forecast Discussion

Issued: 1035 PM CDT Thu Aug 20 2026

Key Messages

  • Another round of fog (some potentially dense) is favored tonight/Friday morning, mainly in river valleys.
  • Near to slightly below average temperatures will persist through the weekend into early next week.
  • There is a low (20 percent) chance of showers and a few thunderstorms Friday night into early Saturday afternoon.

Aviation

/00Z TAFS THROUGH 06Z SATURDAY/... Issued at 1028 PM CDT Thu Aug 20 2026

Fog is still expected across much of the area tonight, with ...