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

Today's forecast for Lilly shows a high of 30 degrees and a low of 9 degrees Fahrenheit. Mostly cloudy, with a high near 30.

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

The 7-day forecast for Lilly shows highs from 6 to 46 degrees and lows from -7 to 35 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Lilly, IL this week?

Yes, rain is possible in Lilly this week. Precipitation chances: Saturday (100% chance), Wednesday (50% chance), Thursday (50% chance).

How accurate is the Lilly weather forecast?

WeatherForYou provides highly accurate Lilly 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.

Lilly, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

25°F
Feels Like 25°F

Humidity 94% Dew Point 23°F Wind Calm Barometer 30.11 in.

Report from a MADIS/MESONET weather station 5.2 mi. N of central Lilly
at 7:45 AM Fri, Dec 12, 2025

Point Forecast at a Glance

FriDec 12

SatDec 13

100%

-7

SunDec 14

-7

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 30°F to a low of 6°F mid-week, then warm to 46°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 38°F with lows around 22°F.

This Date in Weather History

1967 - From December 12th through the 20th a series of snowstorms buries Flagstaff, AZ with nearly 85 inches of snow.

Lilly, IL 7 Day Weather Forecast Details

Friday Dec 12

Day: Mostly cloudy, with a high near 30. Northeast wind 5 to 9 mph becoming west in the afternoon.

Night: Cloudy, with a low around 9. Wind chill values between 1 and 6. West wind 9 to 13 mph, with gusts as high as 21 mph.

Saturday Dec 13

Day: Snow. High near 14. Wind chill values between -5 and zero. North northwest wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -7. Wind chill values between -14 and -24. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunday Dec 14

Day: Sunny and cold, with a high near 6. Northwest wind 5 to 10 mph, with gusts as high as 17 mph.

Night: Mostly clear, with a low around -7. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 18 mph.

Monday Dec 15

Day: Mostly sunny, with a high near 24. South wind 8 to 14 mph, with gusts as high as 22 mph.

Night: Partly cloudy, with a low around 16.

Tuesday Dec 16

Day: Mostly sunny, with a high near 37.

Night: Mostly cloudy, with a low around 30.

Wednesday Dec 17

Day: Partly sunny, with a high near 45.

Night: A chance of rain. Mostly cloudy, with a low around 35.

Thursday Dec 18

Day: A chance of rain. Partly sunny, with a high near 46.

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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