Elgin, IL Weather Forecast
Right now it is 66°F and light rain in Elgin (as of Tue, 11:55 AM CST). This Afternoon: high near 69°F. Tomorrow: rain likely, high near 63°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at Chicago / West Chicago, Dupage Airport (8 mi from the city center).
Weather tomorrow in Elgin
Rain Likely
57% chance of rain/snow63°FRain likely. Mostly cloudy. High near 63, with temperatures falling to around 56 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Slight Chance Rain 22% chance of rain/snow47°FA slight chance of rain. Mostly cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Weather alerts
No active National Weather Service watches, warnings or advisories for Elgin right now.
7-day forecast
Rain Likely 88% chance of rain/snow69°F / 59°FRain likely and a slight chance of thunderstorms. Mostly cloudy. High near 69, with temperatures falling to around 67 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. Tonight: Rain. Cloudy. Low around 59, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain Likely 57% chance of rain/snow63°F / 47°FRain likely. Mostly cloudy. High near 63, with temperatures falling to around 56 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Chance Rain 41% chance of rain/snow56°F / 42°FA chance of rain. Mostly cloudy, with a high near 56. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Thursday Night: A chance of rain. Cloudy, with a low around 42. Chance of precipitation is 40%.
Slight Chance Rain 24% chance of rain/snow52°F / 35°FA slight chance of rain. Mostly cloudy, with a high near 52. Friday Night: Mostly cloudy, with a low around 35.
Mostly Sunny52°F / 34°FMostly sunny, with a high near 52. Saturday Night: Partly cloudy, with a low around 34.
Mostly Sunny then Slight Chance Rain 16% chance of rain/snow57°F / 35°FA slight chance of rain after noon. Mostly sunny, with a high near 57. Sunday Night: Mostly clear, with a low around 35.
Sunny60°F / 40°FSunny, with a high near 60. Monday Night: Mostly clear, with a low around 40.
Forecast issued by NWS forecast office LOT · updated Nov 3, 12:21 PM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Elgin population: 115,476 (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 Elgin?
Wednesday, November 4: Rain Likely, high near 63°F; night: slight chance rain, low around 47°F.
Where does the Elgin forecast come from?
From the National Weather Service forecast office LOT, which writes the official forecast for Elgin's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Elgin 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 Elgin (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.