Illinois State Water Survey Illinois State Climatologist

Cooler Days and Warmer Nights This Summer in Midwest

Cooler than average daytime highs (first map, blue shaded areas) and warmer than average night-time lows (second map) this summer were common across much of the Midwest, according to data from the National Centers for Environmental Information. It is typical in Illinois for this to happen in summer after a wet spring. We marched through […]

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Rainfall and Temperatures Across the Midwest in August

Here is a snapshot of conditions across the Midwest for August. The first map shows the actual precipitation, the second the departures from average, and the third shows the temperature departures from average. Overall, the region has been wet with temperatures close to average for August. For Illinois, the statewide average  is 1.8 inches, which […]

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