The preliminary statewide average July temperature was 77.1degrees, 1.7 degrees above the 1991-2020 average and tied for 35th warmest on record going back to 1895. The preliminary statewide total July precipitation was 3.41 inches, 0.65 inches below the 1991-2020 average and the 57th wettest on record. Data are provisional and may change slightly over time. […]
Category: Updates
Stormy June Continued a Wild Weather Year
The preliminary statewide average June temperature was 72.0 degrees, 0.2 degrees below the 1991–2020 normal, 0.6 degrees above the 20th Century average, 0.3 degrees below the most recent 30-year average and tied for 61st warmest June on record. The preliminary statewide total June precipitation was 7.40 inches, 2.75 inches above the 1991–2020 normal, 3.31 inches […]
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 average total January precipitation was 1.19 inches, 1.12 inches below the 1991-2020 average and tied for the 28th driest on record statewide. Data are provisional […]
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 record statewide. Statewide average total precipitation in 2025 was 32.94 inches, 7.8 inches below normal and the 23rd driest year on record statewide. Another Very […]