Monthly Historical AveragesSidell, IL
Average Temperature
High
18°
Feels 17
Low
6°
Feels 3
Average Precipitation
11 Days
82mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
26°Feels 26
Wind
39 km/h SW
Gust
59 km/h
Humidity
41%
P.O.P
30%
Night
17°Feels 16
Wind
33 km/h S
Gust
49 km/h
Humidity
89%
P.O.P
90%
Rain
2-4 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity