Chicago, IL Weather Forecast
Right now it is 70°F and mostly cloudy in Chicago (as of Tue, 11:20 AM CST). Today: high near 73°F. Tomorrow: rain likely, high near 64°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at Chicago, Chicago Midway Airport (7 mi from the city center).
Weather tomorrow in Chicago
Rain Likely
71% chance of rain/snow64°FRain likely before 1pm. Mostly cloudy. High near 64, with temperatures falling to around 57 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Mostly Cloudy 10% chance of rain/snow49°FMostly cloudy, with a low around 49. Southwest wind around 15 mph, with gusts as high as 25 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Chicago right now.
7-day forecast
Mostly Cloudy then Chance Rain Showers 75% chance of rain/snow73°F / 60°FA chance of rain showers after 1pm. Mostly cloudy. High near 73, with temperatures falling to around 69 in the afternoon. South wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. Tonight: Rain. Mostly cloudy, with a low around 60. South southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Rain Likely 71% chance of rain/snow64°F / 49°FRain likely before 1pm. Mostly cloudy. High near 64, with temperatures falling to around 57 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. Wednesday Night: Mostly cloudy, with a low around 49. Southwest wind around 15 mph, with gusts as high as 25 mph.
Mostly Cloudy then Chance Rain 54% chance of rain/snow57°F / 45°FA chance of rain after noon. Mostly cloudy, with a high near 57. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Thursday Night: A chance of rain. Cloudy, with a low around 45. Chance of precipitation is 50%.
Chance Rain 46% chance of rain/snow53°F / 41°FA chance of rain. Mostly cloudy, with a high near 53. Friday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 41.
Mostly Sunny 13% chance of rain/snow52°F / 39°FMostly sunny, with a high near 52. Saturday Night: Partly cloudy, with a low around 39.
Mostly Sunny55°F / 41°FMostly sunny, with a high near 55. Sunday Night: Mostly clear, with a low around 41.
Sunny58°F / 44°FSunny, with a high near 58. Monday Night: Partly cloudy, with a low around 44.
Forecast issued by NWS forecast office LOT · updated Nov 3, 10:31 AM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Chicago population: 2,731,585 (U.S. Census Bureau, July 1, 2025 estimate). More Illinois cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Chicago?
Wednesday, November 4: Rain Likely, high near 64°F; night: mostly cloudy, low around 49°F.
Where does the Chicago forecast come from?
From the National Weather Service forecast office LOT, which writes the official forecast for Chicago's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Chicago weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Chicago (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.