What is today's weather forecast for Carthage Lake, IL?

Today's forecast for Carthage Lake shows a high of 49 degrees and a low of 17 degrees Fahrenheit. Rain before 11am.

What is the 7-day weather forecast for Carthage Lake, IL?

The 7-day forecast for Carthage Lake shows highs from 34 to 52 degrees and lows from 17 to 36 degrees Fahrenheit. Expect precipitation on 1 day with chances of 20% or higher.

Will it rain in Carthage Lake, IL this week?

Yes, rain is possible in Carthage Lake this week. Precipitation chances: Thursday (100% chance).

How accurate is the Carthage Lake weather forecast?

WeatherForYou provides highly accurate Carthage Lake forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Carthage Lake, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Wind Advisory

Current Conditions From Nearby Station

Switch to Metric Units

46°F
Feels Like 41°F

Humidity 100% Dew Point 46°F Wind S 10 MPH Gusts 14 Barometer 29.83 in.

Solar Rad 54 w/m²

Report from a personal weather station 6.6 mi. N of central Carthage Lake
at 9:07 AM Thu, Dec 18, 2025

Point Forecast at a Glance

ThuDec 18

100%

FriDec 19

SatDec 20

SunDec 21

MonDec 22

TueDec 23

WedDec 24

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures with a significant drop to 34°F mid-week, recovering to 52°F. Mostly dry conditions with only one day showing rain chances.

Climate Context

This week's forecast shows temperatures running 6°F above the historical average for December. Normal highs for this period are around 38°F with lows around 22°F.

This Date in Weather History

1983 - Record cold hit the north central states. At Havre, MT, the mercury plunged to a record reading of 34 degrees below zero.

Carthage Lake, IL 7 Day Weather Forecast Details

Thursday Dec 18

Day: Rain before 11am. High near 49. Breezy, with a west wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.

Night: Cloudy, then gradually becoming partly cloudy, with a low around 17. Wind chill values as low as zero. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 40 mph.

Friday Dec 19

Day: Sunny, with a high near 34. Northwest wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

Night: Mostly cloudy, with a low around 28. South wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Dec 20

Day: Partly sunny, with a high near 45.

Night: Mostly clear, with a low around 22.

Sunday Dec 21

Day: Sunny, with a high near 36.

Night: Mostly cloudy, with a low around 26.

Monday Dec 22

Day: Partly sunny, with a high near 43.

Night: Mostly cloudy, with a low around 35.

Tuesday Dec 23

Day: Partly sunny, with a high near 52.

Night: Mostly cloudy, with a low around 36.

Wednesday Dec 24

Day: Mostly cloudy, with a high near 52.

About Carthage Lake, IL

Carthage Lake is an unincorporated community in Henderson County, Illinois, United States.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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