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Warm and Active June Kicks Off Summer

The preliminary statewide average June temperature was 74.4 degrees, 2.2 degrees above the 1991-2020 average and the 18th warmest June on record going back to 1895. The preliminary statewide total ...

Warm May Wraps Up a Very Mild Spring

The preliminary statewide average May temperature was 66.7 degrees, 3.5 degrees above the 1991-2020 average and the 11th warmest on record going back to 1895. The preliminary statewide average total ...

Warm and Wet April in Illinois

The preliminary statewide average April temperature was 54.1 degrees, 1.5 degrees above the 1991-2020 average and tied for 28th warmest on record going back to 1895. The preliminary statewide average ...

Warm and Dynamic March Opens Spring

The preliminary statewide average March temperature was 45.8 degrees, 4.4 degrees above the 1991–2020 average and the 14th warmest on record going back to 1895. The preliminary statewide average total ...

Another Mild February Ends Another Weak Winter

The preliminary statewide average February temperature was 39.4 degrees, 8.3 degrees above the 1991–2020 average and the 3rd warmest on record going back to 1895. The preliminary statewide average total ...