Monthly Historical AveragesGrand Chain, IL
Average Temperature
High
7°
Feels 5
Low
-2°
Feels -6
Average Precipitation
6 Days
27.5mm
13.3cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, February 22, 2026
Day
2°Feels -4
Wind
32 km/h NW
Gust
48 km/h
Humidity
39%
P.O.P
20%
Night
-8°Feels -15
Wind
23 km/h NW
Gust
34 km/h
Humidity
54%
P.O.P
0%
Historical AveragesFeb 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity