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First Half of June – Warm and Wet

Based on preliminary data, the statewide average temperature for the first half of June was 73.4 degrees, 3.3 degrees above normal. The statewide average rainfall for the first half of ...
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June 5 Tornado Outbreak in Illinois

A large tornado outbreak occurred in Illinois on June 5. The NOAA Storm Prediction Center has 31 preliminary damage reports for the state (see below). In some cases a single ...
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Fourth Warmest Spring in Illinois

Based on preliminary data, the statewide average temperature for spring in Illinois was 55.3 degrees, 3.3 degrees above normal and the fourth warmest spring on record. Warmer than normal conditions ...
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May Finished both Wetter and Warmer

For Illinois, the preliminary statewide average temperature was 64.1 degrees, 1.3 degrees above normal. Basically the first 17 days of the month ran on the cool side (1.4 degrees below ...
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Warmer Conditions Prevail in Late May

After a cold start to May (see earlier post), the period between May 18 and 27 was much warmer. The statewide average temperature during this period was 3.7 degrees above ...
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