The preliminary statewide average August temperature was 74.5 degrees, 0.9 degrees above 1991-2020 average, 1.1 degrees above the 20th century average, 0.8 degrees above the most recent 30-year average, and the 41st warmest August on record going back to 1895. The preliminary statewide average total August precipitation was 5.69 inches, 2.13 inches above the 1991-2020 […]
Read More from A Wild Weather August Capped off an Equally Wild Summer
The preliminary statewide average April temperature was 58.8 degrees, 6.2 degrees above the 1991–2020 normal, 7.3 degrees above the 20th Century average, 6.0 degrees above the most recent 30-year average. Last month was the warmest April on record in Illinois. The preliminary statewide total April precipitation was 6.37 inches, 2.13 inches above the 1991–2020 normal, […]
The preliminary statewide average July temperature was 78.3 degrees, 2.9 degrees above the 1991–2020 average and tied for 16th warmest on record going back to 1895. The preliminary statewide total July precipitation was 5.95 inches, 1.89 inches above the 1991–2020 average and the 10th wettest on record. Data are provisional and may change slightly over […]
The Prairie State is no stranger to intense precipitation and consequential flooding. However, the frequency and intensity of rainfall have been increasing in recent decades, putting a renewed focus on the information, warning systems, planning and preparation needed to protect Illinois from the threat of intense rainfall. Intense Rainfall Background The philosopher Luke Bryan argued, […]
Read More from Staying Ahead of Intense Precipitation in Illinois