Turtlehead Lake, IL Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Turtlehead Lake, IL Weather Forecast

Current Conditions

Settings
Turtlehead Lake IL weather  - Overcast - 67°F
Overcast
67°F
Updated 1:05 pm
Feels Like 63°F
Humidity 65%
Wind W 6 mph
Barometer  30.09 in
Dew Point 55°F
Turtlehead Lake IL weather  - Overcast - 19°C
Overcast
19°C
Updated 1:05 pm
Feels Like 17°C
Humidity 65%
Wind W 10 km/h
Barometer  101.9 kPa
Dew Point 13°C

Turtlehead Lake Weather Forecast

THIS AFTERNOON TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT
Turtlehead Lake, IL Weather - This Afternoon Isolated Showers Turtlehead Lake, IL Weather - Tonight Clear Turtlehead Lake, IL Weather - Friday Partly Cloudy Turtlehead Lake, IL Weather - Friday Night Chance Of Showers Turtlehead Lake, IL Weather - Saturday Showers Turtlehead Lake, IL Weather - Saturday Night Cloudy Turtlehead Lake, IL Weather - Sunday Chance Of Showers Turtlehead Lake, IL Weather - Sunday Night Chance Of Showers Turtlehead Lake, IL Weather - Monday Chance Of Showers Turtlehead Lake, IL Weather - Monday Night Showers Turtlehead Lake, IL Weather - Tuesday Showers Likely Turtlehead Lake, IL Weather - Tuesday Night Chance Of Showers
Isolated Showers Clear Partly Cloudy Chance of Showers Showers Cloudy Chance of Showers Chance of Showers Chance of Showers Showers Showers Likely Chance of Showers
Hi: 70°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 61°FHi: 16°C
Lo: 49°FLo: 9°C Hi: 61°FHi: 16°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
Lo: 59°FLo: 15°C Hi: 71°FHi: 22°C
Lo: 59°FLo: 15°C
POP: 20% POP: 50% POP: 70% POP: 20% POP: 20% POP: 40% POP: 60% POP: 60% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1236 PM CDT Thu Oct 29 2026 Turtlehead Lake, IL Weather - WeatherWorld.com

Trending Headlines

Turtlehead Lake Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Turtlehead Lake Quick Facts

National Two Day Weather Forecast


E-mail the Turtlehead Lake Weather Forecast

Voice your opinion or tell us about page issues...

Turtlehead Lake Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 1214 PM CDT Thu Oct 29 2026

Key Messages

  • A cold front will move across the area today accompanied by isolated to scattered showers (20-30% chance at any given spot). A lightning strike cannot be ruled out (~10% chance).
  • Periods of showers and a few storms are expected Friday night through early Saturday afternoon (>60% chance areawide). Coverage of showers may taper in time for outdoor Halloween activities.
  • Generally mild conditions will continue into the first week of November, through a changing weather pattern will resul...