Champaign, Illinois is currently experiencing unseasonably warm weather, with temperatures reaching the mid-70s°F (around 24°C), significantly above average for February. This warm spell is due to a high-pressure system bringing clear skies and mild winds to the region. However, the National Weather Service advises that residents should be prepared for potential changes later in the week, as there is an increasing chance of rain showers developing as the high-pressure system shifts.