Shagbark Lake, IL Weather Forecast

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Shagbark Lake, IL Weather Forecast

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Shagbark Lake IL weather  - Partly Cloudy - 72°F
Partly Cloudy
72°F
Updated 9:16 pm
Feels Like 74°F
Humidity 64%
Wind SSE 5 mph
Barometer  30 in
Dew Point 59°F
Shagbark Lake IL weather  - Partly Cloudy - 22°C
Partly Cloudy
22°C
Updated 9:16 pm
Feels Like 23°C
Humidity 64%
Wind SSE 8 km/h
Barometer  101.6 kPa
Dew Point 15°C

Shagbark Lake Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Shagbark Lake, IL Weather - Tonight Partly Cloudy Shagbark Lake, IL Weather - Tuesday Chance Of T-Storm Shagbark Lake, IL Weather - Tuesday Night Chance Of T-Storm Shagbark Lake, IL Weather - Wednesday Partly Cloudy Shagbark Lake, IL Weather - Wednesday Night Partly Cloudy Shagbark Lake, IL Weather - Thursday Mostly Sunny Shagbark Lake, IL Weather - Thursday Night Mostly Clear Shagbark Lake, IL Weather - Friday Chance Of T-Storm Shagbark Lake, IL Weather - Friday Night Chance Of Showers Shagbark Lake, IL Weather - Saturday Chance Of Showers Shagbark Lake, IL Weather - Saturday Night Partly Cloudy Shagbark Lake, IL Weather - Sunday Partly Cloudy
Partly Cloudy Chance of T-Storm Chance of T-Storm Partly Cloudy Partly Cloudy Mostly Sunny Mostly Clear Chance of T-Storm Chance of Showers Chance of Showers Partly Cloudy Partly Cloudy
Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
Lo: 65°FLo: 18°C Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C Hi: 80°FHi: 27°C
Lo: 65°FLo: 18°C Hi: 79°FHi: 26°C
Lo: 60°FLo: 16°C Hi: 75°FHi: 24°C
POP: 50% POP: 60% POP: 20% POP: 40% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 801 PM CDT Mon Aug 17 2026 Shagbark Lake, IL Weather - WeatherWorld.com

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Shagbark Lake Forecast Discussion

Issued: 625 PM CDT Mon Aug 17 2026

Key Messages

  • Threat for severe thunderstorms and flash flooding Tuesday afternoon/night.


Discussion

... Issued at 252 PM CDT Mon Aug 17 2026

While the weather is pleasant and quiet for a change today, attention quickly shifts to Tuesday afternoon and evening as a mid/upper trough digs into the Great Lakes. As this occurs, a belt of enhanced mid and upper level flow will sag southward into the Midwest and steer a series of mid-level impulses right across our area as a su...