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

Today's forecast for Barr shows a low of 0 degrees Fahrenheit. Mostly clear, with a low around 0.

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

The 7-day forecast for Barr shows highs from 15 to 33 degrees and lows from 0 to 20 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Barr, IL this week?

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

How accurate is the Barr weather forecast?

WeatherForYou provides highly accurate Barr 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.

Barr, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

8°F
Feels Like 8°F

Humidity 78% Dew Point 3°F Wind NW 1 MPH Gusts 1 Barometer 29.91 in.

Report from a personal weather station 1.9 mi. NE of central Barr
at 3:34 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

50%

7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 15°F to 32°F. Unsettled weather expected with snow likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 10°F below the historical average for December. Normal highs for this period are around 36°F with lows around 21°F.

This Date in Weather History

1982 - The temperature in New York City's Central Park reached 72 degrees to establish a record high for December. The month as a whole was also the warmest of record.

Barr, IL 7 Day Weather Forecast Details

Wednesday Dec 3

Night: Mostly clear, with a low around 0. Wind chill values as low as -10. North northwest wind around 10 mph, with gusts as high as 15 mph.

Thursday Dec 4

Day: Sunny, with a high near 15. Wind chill values as low as -12. Northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 10 mph.

Night: Mostly clear, with a temperature falling to near 0 by 9pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -13. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Friday Dec 5

Day: Partly sunny, with a high near 27. Wind chill values as low as -5. South southwest wind around 10 mph, with gusts as high as 20 mph.

Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

Saturday Dec 6

Day: Partly sunny, with a high near 28.

Night: A 40 percent chance of snow. Mostly cloudy, with a low around 13.

Sunday Dec 7

Day: A chance of snow before noon. Partly sunny, with a high near 24.

Night: Mostly cloudy, with a low around 7.

Monday Dec 8

Day: Partly sunny, with a high near 23.

Night: Snow likely. Mostly cloudy, with a low around 14.

Tuesday Dec 9

Day: A chance of snow. Mostly cloudy, with a high near 32.

Night: Snow likely. Mostly cloudy, with a low around 20.

Wednesday Dec 10

Day: Snow likely. Mostly cloudy, with a high near 33.

About Barr, IL

Barr, Illinois may refer to: Barr, Macoupin County, Illinois, an unincorporated community in Macoupin County Barr, Sangamon County, Illinois, an unincorporated community in Sangamon County

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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