Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest through Monday morning. 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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