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

Today's forecast for Knoxville shows a high of 15 degrees and a low of -2 degrees Fahrenheit. Sunny, with a high near 15.

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

The 7-day forecast for Knoxville shows highs from 15 to 36 degrees and lows from -2 to 23 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Knoxville, IL this week?

Yes, rain is possible in Knoxville this week. Precipitation chances: Saturday (50% chance), Monday (30% chance), Tuesday (50% chance), Wednesday (50% chance).

How accurate is the Knoxville weather forecast?

WeatherForYou provides highly accurate Knoxville 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.

Knoxville, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

7°F
Feels Like -1°F

Humidity 92% Dew Point 5°F Wind NNW 4 MPH Gusts 4 Barometer 30.46 in.

Report from a personal weather station 2 mi. SSW of central Knoxville
at 4:55 AM Thu, Dec 4, 2025

Point Forecast at a Glance

ThuDec 4

-2

FriDec 5

SatDec 6

SunDec 7

MonDec 8

TueDec 9

WedDec 10

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 15°F to a high of 36°F by week's end. Unsettled weather expected with snow likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 36°F with lows around 20°F.

This Date in Weather History

1987 - A cold front crossing the Pacific Coast Region brought high winds and heavy rain to California. Thunderstorm winds gusted to 55 mph at Newport Beach CA, and Mount Wilson CA was drenched with 2.17 inches of rain in six hours. Gale force winds prevailed along the Northern Pacific Coast, and winds in the Tehachapis Mountains of southern California gusted to 60 mph.

Knoxville, IL 7 Day Weather Forecast Details

Thursday Dec 4

Day: Sunny, with a high near 15. Wind chill values between -10 and zero. North northwest wind around 6 mph becoming calm in the morning.

Night: Patchy freezing fog before midnight. Mostly clear, with a low around -2. Wind chill values between -8 and -13. South wind 3 to 8 mph. Winds could gust as high as 17 mph.

Friday Dec 5

Day: Mostly sunny, with a high near 31. Wind chill values between -6 and 4. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.

Night: Mostly cloudy, with a low around 21. South southwest wind 5 to 8 mph becoming west northwest after midnight. Winds could gust as high as 16 mph.

Saturday Dec 6

Day: Mostly cloudy, with a high near 31. Light and variable wind becoming northwest around 5 mph in the afternoon.

Night: A 50 percent chance of snow. Cloudy, with a low around 15. Northeast wind 5 to 7 mph, with gusts as high as 16 mph.

Sunday Dec 7

Day: Partly sunny, with a high near 24. North northeast wind 7 to 9 mph, with gusts as high as 16 mph.

Night: Mostly cloudy, with a low around 3.

Monday Dec 8

Day: Partly sunny, with a high near 24.

Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15.

Tuesday Dec 9

Day: Partly sunny, with a high near 35.

Night: A chance of snow. Mostly cloudy, with a low around 23.

Wednesday Dec 10

Day: A chance of rain. Mostly cloudy, with a high near 36.

About Knoxville, IL

Knoxville is a city in Knox County, Illinois, United States. The population was 2,901 at the 2020 census. It is part of the Galesburg Micropolitan Statistical Area Knoxville is located just southeast of the City of Galesburg. There is a public square in the center of town with several historic buildings surrounding it including Knox County's first courthouse, city hall, the Ball log cabin, the town gallows, and several other important buildings. The Knox County Fairgrounds is just north of Knoxville on Henderson Road. Knoxville is served with two exits on Interstate 74, at U.S. Highway 150 east of town and at Henderson Road north of town. U.S. Highway 150 runs east and west through Knoxville and serves as the main business thoroughfare. Illinois Route 97 and Knox County Highway 8 also enter the city. The Knoxville Cemetery lies in the northern part of town on Market Street. The Knox County Nursing Home is located in the city. There is a grade school in Knoxville, as well as a Junior High and a High School (KHS). Among the "attractions" in Knoxville are the historic buildings, Walnut Grove Farm and Rattle Toes exhibit, the Knox County Fair held in August, and the annual Knox County Scenic Drive held in October.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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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.

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