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

Today's forecast for Lafayette shows a low of 21 degrees Fahrenheit. Mostly cloudy, with a low around 21.

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

The 7-day forecast for Lafayette shows highs from 4 to 44 degrees and lows from -9 to 32 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Lafayette, IL this week?

Yes, rain is possible in Lafayette this week. Precipitation chances: Friday (20% chance), Saturday (80% chance), Wednesday (50% chance).

How accurate is the Lafayette weather forecast?

WeatherForYou provides highly accurate Lafayette 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.

Lafayette, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Winter Weather Advisory

Current Conditions From Nearby Station

Switch to Metric Units

27°F
Feels Like 27°F

Humidity 91% Dew Point 25°F Wind NNE 1 MPH Gusts 4 Barometer 30.06 in.

Report from a MADIS/MESONET weather station 12.9 mi. SSW of central Lafayette
at 1:18 AM Fri, Dec 12, 2025

Point Forecast at a Glance

ThuDec 11

FriDec 12

SatDec 13

80%

-9

SunDec 14

-8

MonDec 15

TueDec 16

WedDec 17

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 28°F to a low of 4°F mid-week, then warm to 44°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 36°F with lows around 20°F.

This Date in Weather History

1988 - Arctic cold invaded the central and eastern U.S. Sault Ste Marie MI reported a record low of 14 degrees below zero, and International Falls MN was the cold spot in the nation with a low of 25 degrees below zero. Temperatures remained below zero all day over parts of eastern Upper Michigan and northern New England.

Lafayette, IL 7 Day Weather Forecast Details

Thursday Dec 11

Night: Mostly cloudy, with a low around 21. East northeast wind around 7 mph, with gusts as high as 15 mph.

Friday Dec 12

Day: Mostly cloudy, with a high near 28. North northeast wind 5 to 11 mph becoming west northwest in the morning. Winds could gust as high as 22 mph.

Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 6. Wind chill values between -8 and 2. West northwest wind 10 to 13 mph, with gusts as high as 23 mph.

Saturday Dec 13

Day: Snow. High near 10. Wind chill values between -4 and -9. Northwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Night: Mostly clear, with a low around -9. Northwest wind around 11 mph, with gusts as high as 21 mph.

Sunday Dec 14

Day: Sunny and cold, with a high near 4. Northwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 20 mph.

Night: Mostly clear, with a low around -8. Light west southwest wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 21 mph.

Monday Dec 15

Day: Mostly sunny, with a high near 26.

Night: Partly cloudy, with a low around 16.

Tuesday Dec 16

Day: Partly sunny, with a high near 37.

Night: Mostly cloudy, with a low around 30.

Wednesday Dec 17

Day: Mostly cloudy, with a high near 44.

Night: A chance of rain. Mostly cloudy, with a low around 32.

Thursday Dec 18

Day: Partly sunny, with a high near 41.

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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