What is today's weather forecast for Blue Mound, IL?

Today's forecast for Blue Mound shows a low of 2 degrees Fahrenheit. Patchy freezing fog after 9pm.

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

The 7-day forecast for Blue Mound shows highs from 25 to 37 degrees and lows from 2 to 26 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Blue Mound, IL this week?

Yes, rain is possible in Blue Mound this week. Precipitation chances: Saturday (30% chance), Sunday (50% chance), Wednesday (50% chance).

How accurate is the Blue Mound weather forecast?

WeatherForYou provides highly accurate Blue Mound 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.

Blue Mound, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

14°F
Feels Like 14°F

Humidity 60% Dew Point 3°F Wind Calm Barometer 30.3 in.

Solar Rad 4 w/m²

Report from a personal weather station 9.7 mi. NE of central Blue Mound
at 4:30 PM Thu, Dec 4, 2025

Point Forecast at a Glance

ThuDec 4

FriDec 5

SatDec 6

SunDec 7

50%

MonDec 8

TueDec 9

WedDec 10

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 25°F to 37°F. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 9°F below the historical average for December. Normal highs for this period are around 40°F with lows around 25°F.

This Date in Weather History

1786 - The first of two great early December storms began. The storm produced 18 inches of snow at Morristown NJ, and twenty inches of snow at New Haven CT. It also resulted in high tides at Nantucket which did great damage.

Blue Mound, IL 7 Day Weather Forecast Details

Thursday Dec 4

Night: Patchy freezing fog after 9pm. Partly cloudy, with a low around 2. Wind chill values between -5 and zero. Northeast wind around 5 mph becoming calm.

Friday Dec 5

Day: Patchy freezing fog before 9am. Sunny, with a high near 30. Wind chill values between -1 and 9. South wind 5 to 10 mph, with gusts as high as 16 mph.

Night: Increasing clouds, with a low around 23. South wind 6 to 9 mph becoming west after midnight.

Saturday Dec 6

Day: Mostly cloudy, with a high near 30. West wind around 6 mph becoming light and variable in the afternoon.

Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 22. East wind 3 to 7 mph.

Sunday Dec 7

Day: A 50 percent chance of snow before noon. Mostly cloudy, with a high near 29. East wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

Night: Mostly cloudy, with a low around 7. North wind 5 to 10 mph, with gusts as high as 15 mph.

Monday Dec 8

Day: Mostly sunny, with a high near 25.

Night: Mostly cloudy, with a low around 16.

Tuesday Dec 9

Day: Partly sunny, with a high near 35.

Night: Mostly cloudy, with a low around 26.

Wednesday Dec 10

Day: A chance of rain. Mostly cloudy, with a high near 37.

Night: Mostly cloudy, with a low around 16.

Thursday Dec 11

Day: Partly sunny, with a high near 28.

About Blue Mound, IL

Blue Mound is a village in Macon County, Illinois, United States. The population was 1,133 at the 2020 census. It is included in the Decatur, Illinois Metropolitan Statistical Area.

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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