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

Today's forecast for Mc Lean shows a high of 65 degrees and a low of 45 degrees Fahrenheit. Mostly sunny, with a high near 65.

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

The 7-day forecast for Mc Lean shows highs from 51 to 65 degrees and lows from 33 to 45 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Mc Lean, IL this week?

Yes, rain is possible in Mc Lean this week. Precipitation chances: Tuesday (74% chance), Wednesday (74% chance), Saturday (20% chance), Sunday (29% chance).

How accurate is the Mc Lean weather forecast?

WeatherForYou provides highly accurate Mc Lean 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 Lean, IL Weather Forecast and Current Conditions (61754)

Current Conditions From Nearby Station

56°F
Feels Like 56°F

Humidity 53% Dew Point 39°F Wind NE 3 MPH Gusts 10 Barometer 30.04 in.763.0 mm

Solar Rad 0 w/m2

Report from a MADIS/MESONET station 8 miles ESE of central Mc Lean
at 6:15 PM Mon, Oct 27, 2025

Current Conditions From Nearby Station

56°F
Feels Like 56°F

Humidity 53% Dew Point 39°F Wind NE 3 MPH Gusts 10 Barometer 30.04 in.763.0 mm

Solar Rad 0 w/m2

Report from a MADIS/MESONET station 8 miles ESE of central Mc Lean
at 6:15 PM Mon, Oct 27, 2025

Point Forecast at a Glance

MonOct 27

65°

45°

TueOct 28

40%

57°

44°

WedOct 29

70%

55°

38°

ThuOct 30

56°

35°

FriOct 31

58°

36°

SatNov 1

51°

33°

SunNov 2

30%

55°

40°

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 51°F to 65°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 58°F and lows around 38°F.

This Date in Weather History

1764 - A "very remarkable storm of snow with high winds" produced 22 inches at Rutland in central Massachusetts.

Mc Lean 7 Day Weather Forecast Details

Monday Oct 27

Day: Mostly sunny, with a high near 65. East wind around 15 mph, with gusts as high as 22 mph.

Night: Mostly cloudy, with a low around 45. East wind 8 to 12 mph, with gusts as high as 20 mph.

Tuesday Oct 28

Day: A chance of rain showers after 10am. Cloudy, with a high near 57. East wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Night: Rain showers likely. Cloudy, with a low around 44. East wind 12 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Oct 29

Day: Rain showers likely. Partly sunny, with a high near 55. East northeast wind 17 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Night: A chance of rain showers before 1am. Partly cloudy, with a low around 38. North northeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.