What is today's weather forecast for Chemung, IL?

Today's forecast for Chemung shows a low of -3 degrees Fahrenheit. Mostly clear, with a low around -3.

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

The 7-day forecast for Chemung shows highs from 10 to 31 degrees and lows from -3 to 18 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Chemung, IL this week?

Yes, rain is possible in Chemung this week. Precipitation chances: Friday (30% chance), Saturday (40% chance), Monday (50% chance), Tuesday (50% chance), Wednesday (50% chance).

How accurate is the Chemung weather forecast?

WeatherForYou provides highly accurate Chemung 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.

Chemung, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

7°F
Feels Like 7°F

Humidity 84% Dew Point 3°F Wind Calm Barometer 30.34 in.

Report from a MADIS/MESONET weather station 3 mi. E of central Chemung
at 1:15 AM Thu, Dec 4, 2025

Point Forecast at a Glance

WedDec 3

-3

ThuDec 4

FriDec 5

SatDec 6

SunDec 7

MonDec 8

TueDec 9

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 10°F to a high of 30°F by week's end. Unsettled weather expected with snow likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 11°F below the historical average for December. Normal highs for this period are around 34°F with lows around 19°F.

This Date in Weather History

1838 - Cleveland Abbe, an American meteorologist and advocate of time zones, was born on this day. He was trained as an astronomer and appointed the director of the Cincinnati Observatory in 1868. He eventually turned to meteorology and inaugurated a public weather service that served as a model for today's National Weather Service.

Chemung, IL 7 Day Weather Forecast Details

Wednesday Dec 3

Night: Mostly clear, with a low around -3. Wind chill values as low as -13. North northwest wind 5 to 10 mph.

Thursday Dec 4

Day: Sunny and cold, with a high near 10. Wind chill values as low as -14. North northwest wind around 5 mph becoming south southwest in the afternoon.

Night: Partly cloudy, with a temperature falling to near -5 by 9pm, then rising to around 4 during the remainder of the night. Wind chill values as low as -18. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Friday Dec 5

Day: Partly sunny, with a high near 27. Wind chill values as low as -8. South southwest wind 10 to 15 mph.

Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

Saturday Dec 6

Day: Partly sunny, with a high near 26.

Night: A 40 percent chance of snow. Mostly cloudy, with a low around 9.

Sunday Dec 7

Day: Mostly sunny, with a high near 19.

Night: Mostly cloudy, with a low around 2.

Monday Dec 8

Day: Mostly cloudy, with a high near 20.

Night: Snow likely. Cloudy, with a low around 12.

Tuesday Dec 9

Day: Mostly cloudy, with a high near 30.

Night: A chance of snow. Cloudy, with a low around 18.

Wednesday Dec 10

Day: A chance of snow. Mostly cloudy, with a high near 31.

About Chemung, IL

Chemung, elevation 896 feet (273 meters), is an unincorporated census-designated place in McHenry County, Illinois, United States. Per the 2020 census, the population was 276.

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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