What is today's weather forecast for Mc Henry, IL?

Today's forecast for Mc Henry shows a high of 26 degrees and a low of 2 degrees Fahrenheit. A slight chance of flurries after 5pm.

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

The 7-day forecast for Mc Henry shows highs from 7 to 42 degrees and lows from -6 to 33 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Mc Henry, IL this week?

Yes, rain is possible in Mc Henry this week. Precipitation chances: Saturday (40% chance), Wednesday (50% chance), Thursday (50% chance).

How accurate is the Mc Henry weather forecast?

WeatherForYou provides highly accurate Mc Henry 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.

Mc Henry, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

15°F
Feels Like 15°F

Humidity 84% Dew Point 11°F Wind NW 1 MPH Gusts 2 Barometer N/A

Visibility 12.4 mi.

Report from a MADIS/MESONET weather station 0.9 mi. SE of central Mc Henry
at 3:40 AM Fri, Dec 12, 2025

Point Forecast at a Glance

FriDec 12

SatDec 13

40%

-6

SunDec 14

-3

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 26°F to a low of 7°F mid-week, then warm to 42°F. Unsettled weather expected with rain or snow likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 9°F below the historical average for December. Normal highs for this period are around 35°F with lows around 21°F.

This Date in Weather History

1882 - Portland, OR, was drenched with 7.66 inches of rain, a record 24 hour total for that location.

Mc Henry, IL 7 Day Weather Forecast Details

Friday Dec 12

Day: A slight chance of flurries after 5pm. Increasing clouds, with a high near 26. Northwest wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 15 mph.

Night: A slight chance of flurries before 9pm. Mostly cloudy, with a low around 2. Wind chill values as low as -13. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Dec 13

Day: A 40 percent chance of snow after 9am. Mostly cloudy and cold, with a high near 7. Wind chill values as low as -13. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Night: Mostly clear, with a low around -6. Wind chill values as low as -25. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday Dec 14

Day: Sunny and cold, with a high near 8. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Night: Mostly cloudy, with a low around -3.

Monday Dec 15

Day: Partly sunny, with a high near 20.

Night: Mostly cloudy, with a low around 10.

Tuesday Dec 16

Day: Mostly cloudy, with a high near 35.

Night: Mostly cloudy, with a low around 29.

Wednesday Dec 17

Day: Mostly cloudy, with a high near 42.

Night: A chance of rain. Mostly cloudy, with a low around 33.

Thursday Dec 18

Day: A chance of rain. Partly sunny, with a high near 42.

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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