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

Today's forecast for Wilmington shows a low of 2 degrees Fahrenheit. Partly cloudy, with a low around 2.

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

The 7-day forecast for Wilmington shows highs from 13 to 33 degrees and lows from 2 to 22 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Wilmington, IL this week?

Yes, rain is possible in Wilmington this week. Precipitation chances: Friday (20% chance), Saturday (40% chance), Sunday (50% chance), Monday (50% chance), Tuesday (50% chance), Wednesday (50% chance).

How accurate is the Wilmington weather forecast?

WeatherForYou provides highly accurate Wilmington 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.

Wilmington, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

18°F
Feels Like 7°F

Humidity 62% Dew Point 7°F Wind NNW 9 MPH Gusts 16 Barometer N/A

Report from a MADIS/MESONET weather station 2.5 mi. NNE of central Wilmington
at 1:23 AM Thu, Dec 4, 2025

Point Forecast at a Glance

WedDec 3

ThuDec 4

FriDec 5

SatDec 6

SunDec 7

50%

MonDec 8

TueDec 9

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 13°F to a high of 33°F by week's end. Unsettled weather expected with snow likely on at least 5 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 37°F with lows around 22°F.

This Date in Weather History

1926 - Yuma, AZ, was soaked with 1.10 inch of rain, and by the 10th of the month had received 4.43 inches, making it the wettest December of record. The average annual rainfall for Yuma is 3.38 inches.

Wilmington, IL 7 Day Weather Forecast Details

Wednesday Dec 3

Night: Partly cloudy, with a low around 2. Wind chill values as low as -7. North northwest wind around 10 mph, with gusts as high as 20 mph.

Thursday Dec 4

Day: Sunny, with a high near 13. Wind chill values as low as -10. North northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 10 mph.

Night: Partly cloudy, with a temperature falling to near -5 by 9pm, then rising to around 2 during the remainder of the night. Wind chill values as low as -17. Calm wind becoming south around 5 mph in the evening. Winds could gust as high as 10 mph.

Friday Dec 5

Day: Mostly cloudy, then gradually becoming sunny, with a high near 28. Wind chill values as low as -7. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

Saturday Dec 6

Day: Mostly cloudy, with a high near 30.

Night: A 40 percent chance of snow. Mostly cloudy, with a low around 14.

Sunday Dec 7

Day: A chance of snow before noon. Mostly cloudy, with a high near 26.

Night: Mostly cloudy, with a low around 6.

Monday Dec 8

Day: Partly sunny, with a high near 21.

Night: A chance of snow. Mostly cloudy, with a low around 13.

Tuesday Dec 9

Day: Mostly cloudy, with a high near 33.

Night: A chance of snow. Mostly cloudy, with a low around 22.

Wednesday Dec 10

Day: A chance of rain. Mostly cloudy, with a high near 33.

About Wilmington, IL

Wilmington is a city in Will County, Illinois, United States. Located on Illinois Route 53 and Historic U.S. Route 66 along the east bank of the Kankakee River, it is approximately 60 miles (97 km) south-west from downtown Chicago. The population was 5,664 at the 2020 census. Wilmington is just south of Midewin National Tallgrass Prairie, which is home to the largest bison herd in the state.

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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