Mclean, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

44°F
Feels Like 38°F  
Humidity 98% Dew Point 43°F Wind S 12 MPH Gusts 25 Barometer 29.66 in.
Report from a MADIS/MESONET weather station 8 mi. ESE of central Mclean
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Point Forecast at a Glance

WedDec 17
Wed Dec 17: Drizzle, Low 34F
 
34
ThuDec 18
Thu Dec 18: Rain And Snow, High 52F, Low 14F
100%
52
14
FriDec 19
Fri Dec 19: Sunny, High 30F, Low 33F
30
33
SatDec 20
Sat Dec 20: Partly Sunny, High 45F, Low 22F
45
22
SunDec 21
Sun Dec 21: Sunny, High 34F, Low 22F
34
22
MonDec 22
Mon Dec 22: Partly Sunny, High 40F, Low 33F
40
33
TueDec 23
Tue Dec 23: Partly Sunny, High 50F, Low 36F
50
36

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7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 30°F to a high of 50°F by week's end. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 4°F above the historical average for December. Normal highs for this period are around 38°F with lows around 23°F.

This Date in Weather History

1981 - A heavy lake-effect snow blanketed the southern and southeast shores of Lake Michigan leaving up to 22 inches of snow at Valparaiso IND.

More on this and other weather history

Mclean, IL 7 Day Weather Forecast Details

Wednesday Dec 17

Drizzle

Night: Drizzle likely, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 34. Breezy, with a south wind 18 to 21 mph, with gusts as high as 37 mph.

Thursday Dec 18

Rain And Snow

Day: Rain before 5pm, then a chance of rain and snow showers. Patchy fog before 7am. Temperature rising to near 52 by 11am, then falling to around 37 during the remainder of the day. Breezy, with a south wind 17 to 23 mph becoming west in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Rain And Snow

Night: A chance of rain and snow showers before 10pm, then a chance of snow showers between 10pm and 3am. Mostly cloudy, with a low around 14. Wind chill values between -3 and 7. Blustery, with a west northwest wind 20 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.

Friday Dec 19

Sunny

Day: Sunny, with a high near 30. Wind chill values between -2 and 8. Blustery, with a west northwest wind 15 to 20 mph becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 30 mph.

Partly Cloudy

Night: Partly cloudy, with a temperature rising to around 33 by 5am. South wind 9 to 17 mph, with gusts as high as 26 mph.

Saturday Dec 20

Partly Sunny

Day: Partly sunny, with a high near 45. South wind 10 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.

Mostly Clear

Night: Mostly clear, with a low around 22. Northwest wind 7 to 9 mph, with gusts as high as 17 mph.

Sunday Dec 21

Sunny

Day: Sunny, with a high near 34.

Mostly Cloudy

Night: Mostly cloudy, with a low around 22.

Monday Dec 22

Partly Sunny

Day: Partly sunny, with a high near 40.

Mostly Cloudy

Night: Mostly cloudy, with a low around 33.

Tuesday Dec 23

Partly Sunny

Day: Partly sunny, with a high near 50.

Mostly Cloudy

Night: Mostly cloudy, with a low around 36.

Wednesday Dec 24

Mostly Cloudy

Day: Mostly cloudy, with a high near 52.

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.