Illinois State Water Survey Illinois State Climatologist

Now You See It – Now you Don’t, Drought Monitor Removes D0 in Illinois

There is an inside joke for those of us who work with the folks at the US Drought Monitor. If you want to make it rain (or snow), just put an area in D0 “abnormally dry” and the heavens will open up. That’s basically what happened this week – the rain and snow in Illinois […]

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Drought Monitor Says Abnormally Dry – Should We be Worried?

The US Drought Monitor introduced their D0 “abnormally dry” category across northern and western Illinois (first map). Should we be worried? We have been running about 2 to 4 inches below average on precipitation this winter (second map) – that’s both rainfall and the water content of any snow. The good news is that the […]

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January in Illinois – Wet Despite the Lack of Snow

The preliminary numbers are in and the statewide precipitation was 3.9 inches, 1.9 inches above average. Most of the state was in the 3 to 6 inch range except for some drier areas in central and western Illinois. It was wettest in southeastern Illinois with several sites with over 6 inches, including Smithland Lock and Dam […]

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Extreme Dryness in August for Much of Illinois

While the rains continue in northeastern Illinois, much of the rest of the state has been bone dry in August. Rainfall totals range from 3-5 inches in the Chicago area to less than an inch in many locations across central and southern Illinois. This band of dryness extends from southern Minnesota, eastern Iowa, Illinois, and […]

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