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

Today's forecast for Zion shows a low of 3 degrees Fahrenheit. Mostly clear, with a low around 3.

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

The 7-day forecast for Zion shows highs from 15 to 34 degrees and lows from 3 to 22 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Zion, IL this week?

Yes, rain is possible in Zion 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 Zion weather forecast?

WeatherForYou provides highly accurate Zion 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.

Zion, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

11°F
Feels Like 2°F

Humidity 74% Dew Point 4°F Wind NW 5 MPH Gusts 11 Barometer 30.24 in.

Report from a MADIS/MESONET weather station 1 mi. WNW of central Zion
at 1:15 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 34°F. Unsettled weather expected with snow likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 35°F with lows around 21°F.

This Date in Weather History

1926 - Yuma, AZ, was soaked with 1.10 inch of rain, and by the 10th of the month had received 4.43 inches, making it the wettest December of record. The average annual rainfall for Yuma is 3.38 inches.

Zion, IL 7 Day Weather Forecast Details

Wednesday Dec 3

Night: Mostly clear, with a low around 3. Wind chill values as low as -12. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Dec 4

Day: Sunny, with a high near 15. Wind chill values as low as -13. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

Night: Partly cloudy, with a temperature falling to near 3 by 8pm, then rising to around 9 during the remainder of the night. Wind chill values as low as -11. South southwest wind 5 to 15 mph.

Friday Dec 5

Day: Partly sunny, with a high near 28. Wind chill values as low as -4. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Night: A 40 percent chance of snow, mainly before midnight. Cloudy, with a low around 22. West southwest wind around 10 mph, with gusts as high as 15 mph.

Saturday Dec 6

Day: Partly sunny, with a high near 29.

Night: A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 17.

Sunday Dec 7

Day: A chance of snow before noon. Partly sunny, with a high near 26.

Night: Mostly cloudy, with a low around 13.

Monday Dec 8

Day: Partly sunny, with a high near 26.

Night: Snow likely. Mostly cloudy, with a low around 18.

Tuesday Dec 9

Day: A chance of snow. Mostly cloudy, with a high near 34.

Night: Snow likely. Cloudy, with a low around 22.

Wednesday Dec 10

Day: Rain and snow likely. Mostly cloudy, with a high near 34.

About Zion, IL

Zion is a city in Lake County, Illinois, United States. Per the 2020 United States census, the population was 24,655.

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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