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

Today's forecast for Greenville shows a low of 34 degrees Fahrenheit. A slight chance of rain before 9pm, then a chance of sprinkles between 9pm and 10pm.

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

The 7-day forecast for Greenville shows highs from 30 to 43 degrees and lows from 16 to 34 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Greenville, IL this week?

Yes, rain is possible in Greenville this week. Precipitation chances: Tuesday (20% chance), Friday (50% chance), Saturday (80% chance), Sunday (20% chance), Monday (20% chance).

How accurate is the Greenville weather forecast?

WeatherForYou provides highly accurate Greenville 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.

Greenville, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

56°F
Feels Like 56°F

Humidity 97% Dew Point 55°F Wind Calm Barometer 29.41 in.

Solar Rad 31 w/m²

Report from a MADIS/MESONET weather station 0.3 mi. W of central Greenville
at 3:46 PM Tue, Nov 25, 2025

Point Forecast at a Glance

TueNov 25

20%

WedNov 26

ThuNov 27

FriNov 28

SatNov 29

80%

SunNov 30

20%

MonDec 1

20%

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 43°F to 30°F. Unsettled weather expected with wintry mix likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 12°F below the historical average for November-December. Normal highs for this period are around 48°F with lows around 30°F.

This Date in Weather History

1970 - The temperature at Tallahassee, FL, dipped to 13 degrees, following a high of 40 degrees the previous day. The mercury then reached 67 degrees on the 26th, and highs were in the 70s the rest of the month.

Greenville, IL 7 Day Weather Forecast Details

Tuesday Nov 25

Night: A slight chance of rain before 9pm, then a chance of sprinkles between 9pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 34. Breezy, with a west wind 6 to 11 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

Wednesday Nov 26

Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 43. Breezy, with a west wind 13 to 23 mph, with gusts as high as 34 mph.

Night: Partly cloudy, with a low around 25. West wind 7 to 10 mph.

Thursday Nov 27

Day: Sunny, with a high near 41. Northwest wind 8 to 13 mph.

Night: Mostly clear, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.

Friday Nov 28

Day: Mostly sunny, with a high near 37.

Night: A 50 percent chance of snow after midnight. Cloudy, with a low around 27.

Saturday Nov 29

Day: Rain and snow. High near 38. Chance of precipitation is 80%.

Night: Rain likely, mainly before midnight. Cloudy, with a low around 26. Chance of precipitation is 70%.

Sunday Nov 30

Day: A slight chance of rain before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 20%.

Night: A slight chance of rain or freezing rain. Mostly cloudy, with a low around 16. Chance of precipitation is 20%.

Monday Dec 1

Day: A slight chance of rain and snow. Mostly cloudy, with a high near 30. Chance of precipitation is 20%.

Night: A 20 percent chance of snow. Mostly cloudy, with a low around 17.

Tuesday Dec 2

Day: Partly sunny, with a high near 32.

About Greenville, IL

Greenville is a city in Bond County, Illinois, United States, 51 miles (82 km) east of St. Louis. The population as of the 2020 census was 7,083, up from 7,000 at the 2010 census. It is the county seat of Bond County. Greenville is part of the St. Louis Metropolitan Statistical Area. It is also considered part of the Metro East region of Illinois. Greenville celebrated its Bicentennial in 2015 as one of the oldest communities in Illinois. It is home to Greenville University, the Richard Bock Museum, the American Farm Heritage Museum, the Armed Forces Museum and the Demoulin Museum and a federal prison, Federal Correctional Institution, Greenville (FCI Greenville). It is also home to internationally known companies, including Nevco Scoreboard, the largest privately owned scoreboard company in the world, and DeMoulin Brothers, the world's oldest and largest manufacturer of band uniforms.

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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