Very Mild December in Illinois
The preliminary statewide average December temperature was 39.2 degrees, 7.6 degrees above the 1991–2020 average and the 3rd warmest on record going back to 1895. The preliminary statewide average total ...
November Puts an End to a Warmer and Drier Fall
The preliminary statewide average November temperature was 42.3 degrees, 0.1 degree above the 1991–2020 average and tied for the 46th warmest on record going back to 1895. The preliminary statewide ...
New USDA Plant Hardiness Zones Map
The USDA released their new Plant Hardiness Zone map, which shows significant changes in Illinois’ hardiness zones, reflecting the impact of human-caused climate change. The newest Illinois maps is available ...
Mild October Had a Chilly End
The preliminary statewide average October temperature was 56.7 degrees, 1.9 degrees above the 1991–2020 average and tied for the 31st warmest on record going back to 1895. The preliminary statewide ...
September Brought a Mix of Summer & Fall
The preliminary statewide average September temperature was 68.1 degrees, 1.3 degrees below the 1991–2020 average and tied for the 38th warmest on record going back to 1895. The preliminary statewide ...
