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

Today's forecast for Chicago shows a high of 24 degrees and a low of 19 degrees Fahrenheit. Mostly cloudy, with a high near 24.

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

The 7-day forecast for Chicago shows highs from 24 to 46 degrees and lows from 14 to 34 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Chicago, IL this week?

Yes, rain is possible in Chicago this week. Precipitation chances: Wednesday (40% chance), Thursday (80% chance).

How accurate is the Chicago weather forecast?

WeatherForYou provides highly accurate Chicago 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.

Chicago, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Hydrologic Outlook

Current Conditions From Nearby Local Station

Switch to Metric Units

7°F
Feels Like -2°F

Humidity 65% Dew Point -2°F Wind SW 5 MPH Gusts 6 Barometer 30.32 in.

Report from a MADIS/MESONET weather station 3.3 mi. NNW of central Chicago
at 5:28 AM Mon, Dec 15, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

80%

FriDec 19

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 24°F to a high of 46°F by week's end. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 1°F below the historical average for December. Normal highs for this period are around 37°F with lows around 23°F.

This Date in Weather History

1945 - A record December snowstorm buried Buffalo, NY, under 36.6 inches of snow, with unofficial totals south of the city ranging up to 70 inches. Travel was brought to a halt by the storm.

Chicago, IL 7 Day Weather Forecast Details

Monday Dec 15

Day: Mostly cloudy, with a high near 24. Wind chill values as low as -11. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

Night: Partly cloudy, with a low around 19. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday Dec 16

Day: Mostly sunny, with a high near 36. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Night: Mostly cloudy, with a low around 32. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday Dec 17

Day: Mostly sunny, with a high near 39. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Breezy.

Thursday Dec 18

Day: Rain before noon, then a chance of rain and snow. High near 46. Breezy. Chance of precipitation is 80%.

Night: Mostly cloudy, with a low around 14. Breezy.

Friday Dec 19

Day: Partly sunny, with a high near 30.

Night: Mostly cloudy, with a low around 26.

Saturday Dec 20

Day: Mostly cloudy, with a high near 42.

Night: Mostly cloudy, with a low around 28.

Sunday Dec 21

Day: Partly sunny, with a high near 35.

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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