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 | Average High (°F) |
Average Low (°F) |
Mean Temperature (°F) |
Heating Deg. Days |
Cooling Deg. Days |
Average Precip. (inches) |
Average Snow (inches) |
---|---|---|---|---|---|---|---|
January | 34.5 | 17.8 | 26.1 | 1204 | 0 | 2.17 | 5.7 |
February | 39.5 | 21.6 | 30.6 | 964 | 0 | 1.92 | 6.2 |
March | 51.7 | 31.1 | 41.4 | 734 | 2 | 2.70 | 1.8 |
April | 64.4 | 40.8 | 52.6 | 383 | 11 | 4.24 | 0.0 |
May | 74.8 | 52.4 | 63.6 | 132 | 88 | 4.37 | 0 |
June | 83.3 | 61.3 | 72.3 | 15 | 234 | 4.16 | 0 |
July | 85.5 | 64.5 | 75.0 | 2 | 311 | 5.06 | 0 |
August | 84.0 | 61.3 | 72.6 | 6 | 243 | 3.47 | 0 |
September | 79.2 | 53.4 | 66.3 | 78 | 117 | 3.30 | 0 |
October | 66.3 | 41.8 | 54.1 | 357 | 17 | 3.42 | 0.1 |
November | 51.4 | 32.0 | 41.7 | 700 | 0 | 2.88 | 0.6 |
December | 39.2 | 23.1 | 31.1 | 1049 | 0 | 2.29 | 4.9 |
Annual | 62.8 | 41.7 | 52.3 | 5624 | 1014 | 39.60 | 19.3 |
Period used for normals: 1991-2020
Average date of first measurable snow | November 30 |
Average date of last measurable snow | March 19 |
Average number of days with measurable snow | 16.6 |
Average number of days with at least 1" of snow | 6.0 |
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
Comments? Questions? Please Contact Us.