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Warmest April on Record for Illinois

Based on preliminary data, the statewide average temperature for Illinois in April was 58.4 degrees, 6.2 degrees above normal and the warmest April on record. This beats the old record ...
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Central IL tornado climatology updated

The NWS office in Lincoln, IL has updated their tornado climatology for central and southeastern Illinois for the period 1950-2009. During this period McLean County reported an incredible 100 tornadoes, ...
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First Documented Radar Hook Echo

The Illinois State Water Survey is home to the first ever documented radar hook associated with an actual tornado. Water Survey staff captured the historic event on film on April ...
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Warm Start to April

April is off to a warm start with statewide temperatures 10.0 degrees above normal for the first 18 days of April. The statewide average precipitation is 1.66 inches, 76 percent ...
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March Was Warmer and Drier than Normal

Champaign, Ill. – Based on preliminary data in Illinois, the statewide average temperature for March was 43.6 degrees, 2.5 degrees above normal. This ends a three-month streak of colder than ...
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