Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >
Central Illinois
Weather Forecast Office
| Month | Highest Pressure | Date | Lowest Pressure | Date |
|---|---|---|---|---|
| January | 30.97 in. | January 15, 1972 | 28.93 in. | January 25, 1975 |
| February | 30.97 in. | February 16, 1989 | 28.95 in. | February 9, 1960 |
| March | 30.83 in. | March 5, 1948 | 28.89 in. | March 11, 1923 |
| April | 30.79 in. | April 15, 1981 | 28.94 in. | April 3, 1982 |
| May | 30.56 in. | May 4, 1966 | 29.10 in. | May 27, 1973 |
| June | 30.57 in. | June 10, 1913 | 29.30 in. | June 1, 1936 |
| July | 30.42 in. | July 30, 1936 | 29.45 in. | July 9, 1926 |
| August | 30.45 in. | August 31, 1967 | 29.53 in. | August 30, 1956 |
| September | 30.63 in. | September 30, 1947 | 29.33 in. | September 25, 1941 |
| October | 30.69 in. | October 6, 1935 | 28.98 in. | October 26, 2010 |
| November | 30.91 in. | November 13, 1986 | 29.04 in. | November 28, 1918 |
| December | 31.01 in. | December 20, 1924 | 28.99 in. | December 15, 1971 December 15, 1987 |
Since 1905.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Central Illinois
1362 State Route 10
Lincoln, IL 62656
217-732-7321 (forecast recording) or 217-732-3089
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