Home

We Need You… to Measure Precipitation!

Are you interested in the weather and science? Do you go outside, wear clothes, or do anything else that is affected by the weather? If so, we want YOU to ...
Read More

Mild February Wraps up a Weak Winter

The preliminary statewide average February temperature was 35.1 degrees, 4.0 degrees above the 1991–2020 average and tied for the 18th warmest on record going back to 1895. The preliminary statewide ...
Read More

A Very Mild Start to 2023

The preliminary statewide average January temperature was 33.8 degrees, 7.1 degrees above the 1991–2020 average and the 6th warmest on record going back to 1895. The preliminary statewide average total ...
Read More

2022 was Cooler and Drier than Normal

Illinois was both cooler and drier than the 1991–2020 normal in 2022. The statewide average annual temperature was 52.0 degrees, 0.6 degrees below normal and tied for the 51st warmest ...
Read More

December Brought a Mix of Everything to Kick Off Winter

The preliminary statewide average December temperature was 29.4 degrees, 0.6 degrees below the 1991–2020 average and the 61st coldest on record going back to 1895. The preliminary statewide average total ...
Read More