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

Today's forecast for Seymour shows a low of 24 degrees Fahrenheit. A 20 percent chance of snow before 5am.

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

The 7-day forecast for Seymour shows highs from 6 to 49 degrees and lows from -8 to 36 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Seymour, IL this week?

Yes, rain is possible in Seymour this week. Precipitation chances: Thursday (20% chance), Saturday (100% chance), Wednesday (50% chance), Thursday (50% chance).

How accurate is the Seymour weather forecast?

WeatherForYou provides highly accurate Seymour 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.

Seymour, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

26°F
Feels Like 26°F

Humidity 97% Dew Point 26°F Wind ENE 1 MPH Gusts 4 Barometer 30.1 in.

Report from a personal weather station 5.3 mi. ESE of central Seymour
at 3:45 AM Fri, Dec 12, 2025

Point Forecast at a Glance

ThuDec 11

20%

FriDec 12

SatDec 13

100%

-6

SunDec 14

-8

MonDec 15

TueDec 16

WedDec 17

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 31°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 39°F with lows around 23°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.

Seymour, IL 7 Day Weather Forecast Details

Thursday Dec 11

Night: A 20 percent chance of snow before 5am. Cloudy, with a low around 24. East northeast wind around 8 mph.

Friday Dec 12

Day: Cloudy, with a high near 31. East northeast wind 6 to 8 mph becoming west in the afternoon.

Night: Cloudy, with a low around 12. Wind chill values between 3 and 8. West wind 8 to 13 mph, with gusts as high as 18 mph.

Saturday Dec 13

Day: Snow. High near 19. Wind chill values between -2 and 5. North northwest wind around 11 mph, with gusts as high as 15 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 -6. Northwest wind 11 to 14 mph, with gusts as high as 17 mph.

Sunday Dec 14

Day: Sunny and cold, with a high near 6. Northwest wind 7 to 14 mph, with gusts as high as 17 mph.

Night: Mostly clear, with a low around -8. Light and variable wind becoming south 5 to 10 mph after midnight.

Monday Dec 15

Day: Mostly sunny, with a high near 23.

Night: Partly cloudy, with a low around 15.

Tuesday Dec 16

Day: Mostly sunny, with a high near 36.

Night: Mostly cloudy, with a low around 30.

Wednesday Dec 17

Day: Partly sunny, with a high near 46.

Night: A chance of rain. Mostly cloudy, with a low around 36.

Thursday Dec 18

Day: A chance of rain. Partly sunny, with a high near 49.

About Seymour, IL

Seymour is a census-designated place in Champaign County, Illinois, United States. At the 2020 census it had a population of 317. It is part of Mahomet-Seymour Community Unit School District No. 3.

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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