Illinois Road Conditions Latest Closings & Delays Current Conditions: Decatur, IL, USA 43 °F Light Rain, Mist Wind:NE @ 11 mphHumidity:97 %Precipitation:0.2 inPressure:30 Summary High Low Wind Precipitation Wed Overcast High:53 °F Low:47 °F Wind:E @ 8 mph Precipitation:0.0 in Thu Light rain shower High:74 °F Low:48 °F Wind:SSW @ 27 mph Precipitation:0.1 in Fri Thundery outbreaks in nearby High:76 °F Low:55 °F Wind:SSW @ 19 mph Precipitation:0.0 in Sat Light drizzle High:64 °F Low:45 °F Wind:NW @ 16 mph Precipitation:0.0 in Sun Sunny High:50 °F Low:35 °F Wind:NNW @ 13 mph Precipitation:0.0 in Mon Sunny High:54 °F Low:34 °F Wind:SE @ 2 mph Precipitation:0.0 in Tue Partly Cloudy High:53 °F Low:39 °F Wind:ESE @ 13 mph Precipitation:0.0 in Click buttons below for more Severe Weather updates. Current Watches & Warnings News Channel 20 Storm Team Forecast Xfinity Status (Outage) Center Ameren Outage Map Severe Weather Preparedness News Channel 20 Interactive Radar Winter Weather Preparedness Sign Up for Severe Weather Text Alerts