Weather

We wrapped up February and climatological winter with another week of mild weather. Average temperatures this week ranged from the high 30s in northern Illinois to the high 40s in southern Illinois, between 3 and 12 degrees above normal. While the official numbers will be released next week, the preliminary average temperature for February is about 4 degrees above normal and would put last month in the top 20 warmest on record statewide. The combination mild January and February weather pushed climatological winter temperatures above normal as well.…

Hopefully, everyone enjoyed the last few days of November. Average temperatures from Friday to Tuesday were generally between 2 and 10 degrees above normal, with highs from the mid-40s to low 60s and lows from the mid-20s to upper 30s. Southerly winds allowed for these mild temperatures until a cold front swept through Tuesday night into Wednesday causing temperatures to plummet Wednesday and Thursday.
Illinois saw some rain last weekend. However, not enough to improve the drought conditions.…

Illinois experienced a drastic change in weather this past week, from unseasonably warm to unseasonably cool as a low pressure system with a strong cold front swept across the state. Average temperatures were in the low 30s to low 40s, between 3 and 10 degrees colder than normal for mid November. The highest of temperatures since last Friday was a whopping 47 in Dixon Springs representing Southern Illinois and 41 in Big Bend for northern Illinois.…

Illinois State Water Survey
Prairie Research Institute
We wrapped up August with another pleasant weather week. Temperatures this past week ranged from the low 70s in northern Illinois to the high 70s in southern Illinois, about 1 to 2 degrees above normal. Official numbers will be released next week, but it looks like August ended just a few tenths of a degree above normal statewide, notably cooler than Augusts of 2020 and 2021. A very warm June,…