Warmer than normal weather in Illinois forecast The Intelligencer FacebookTwitterEmail CHAMPAIGN — The cold season came on with a vengeance in February in Illinois, with the average temperature more than 11 degrees below normal, according to Illinois State Climatologist Trent Ford at the University of Illinois’ Illinois State Water Survey. Snowfall ranged from 8 inches in southwest Illinois to over 30 inches in the northeast part of the state. The preliminary statewide average February temperature was 20.0 degrees, 11.1 degrees below the 1991–2020 average. The statewide average total February precipitation was 2.01 inches, 0.10 inches below average. Both the short-term 8- to 14-day outlooks and the one-month March outlooks from the Climate Prediction Center show strongly elevated odds of warmer than normal conditions this month. The outlooks also indicate the highest odds of wetter than normal conditions in the first half and through the entire month.