Extremely critical fire weather concerns for portions of the southern High Plans as strong wind and very dry conditions could result in rapid spread of any fires. Meanwhile, severe thunderstorms are expected once again across areas of the Central and Southern Plains, then spreading in the Mississippi Valley regions on Monday. Damaging winds, very large hail and strong tornadoes are possible. Read More >
Central Illinois
Weather Forecast Office
| MONTH | HIGHEST PRESSURE |
DATE | LOWEST PRESSURE |
DATE |
|---|---|---|---|---|
| January | 30.99 in. | January 7, 1968 January 15, 1888 |
28.95 in. | January 10, 1975 |
| February | 30.98 in. | February 21, 1918 | 28.71 in. | February 28, 1902 |
| March | 30.78 in. | March 1, 1962 March 5, 1948 |
28.82 in. | March 11, 1923 |
| April | 30.73 in. | April 15, 1981 | 28.87 in. | April 20, 1893 |
| May | 30.55 in. | May 4, 1966 | 29.08 in. | May 27, 1973 |
| June | 30.53 in. | June 10, 1913 | 29.31 in. | June 6, 1916 |
| July | 30.39 in. | July ??, 1892 | 29.48 in. | July 9, 1926 |
| August | 30.42 in. | August 11, 1967 | 29.54 in. | August 20, 1915 |
| September | 30.58 in. | September 30, 1947 September 28, 1942 |
29.26 in. | September 25, 1941 |
| October | 30.65 in. | October 31, 1913 | 29.03 in. | October 26, 2010 |
| November | 30.91 in. | November 13, 1986 | 29.07 in. | November 13, 1951 |
| December | 30.99 in. | December 20, 1924 | 29.00 in. | December 15, 1987 |
Since 1881
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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