Be prepared with the most accurate 10-day forecast for Decatur, Illinois 62526 with highs, lows, chance of precipitation from The Weather Channel and Weather.com

Decatur, IL Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days.

Feb 9, 2026 · Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Decatur area.

Patchy fog after 4am. Otherwise, partly cloudy, with a low around 41. South wind 7 to 9 mph, with gusts as high as 17 mph. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. South …

2 days ago · Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Decatur, IL

5 days ago · Live weather reports from Decatur weather stations and weather warnings that include risk of thunder, high UV index and forecast gales. See the links below the 12-day Decatur weather …

2 days ago · Decatur, IL - Weather forecast from Theweather.com. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. for Decatur, Illinois

Get the latest Decatur and Central Illinois weather. View live radar, forecast, and alerts from the WCIA 3 weather team.

Get accurate hourly forecasts for today, tonight, and tomorrow, along with 10-day daily forecasts and weather radar with MSN Weather. Stay updated on precipitation, severe weather warnings, air ...

Discover the weather conditions in Decatur & see if there is a chance of rain, snow, or sunshine. Plan your activities, travel, or work with confidence by checking out our detailed hourly forecast for Decatur.