Dry and Mild February Ends an Otherwise Cold Winter
The preliminary statewide average February temperature was 33.8 degrees, 2.8 degrees above the 1991–2020 normal, 4.6 degrees above the 20th Century average, 2.8 degrees above the most recent 30-year average, ...
2026 Began with a Cold and Dry January
The preliminary statewide average January temperature was 23.5 degrees, 3.2 degrees below the 1991-2020 average and tied for the 41st coldest on record going back to 1895. The preliminary statewide ...
2025 Was Warm and Dry in Illinois
Illinois was both warmer and wetter than the 1991–2020 normal in 2025. The statewide average annual temperature was 53.6 degrees, 1.0 degree above normal and the 18th warmest year on ...
Cool and Dry Start to Winter
The preliminary statewide average December temperature was 29.1 degrees, 2.5 degrees below the 1991–2020 average and tied for 53rd coolest on record going back to 1895. The preliminary statewide average ...
Fall Ended and Winter Really Began in November
The preliminary statewide average November temperature was 43.6 degrees, 1.4 degrees above the 1991-2020 average and the 32nd warmest November on record. The preliminary statewide average total November precipitation was ...
