The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Dennison, IL
Content continues below
Content continues below
Daily Historical Averages
February 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
4°
22
-2°
23
0°
24
6°
25
9°
26
3°
27
9°
28
14°
Forecast
Saturday, February 21, 2026
Day
4°
Feels 0
Wind
16 km/h NW
Gust
25 km/h
Humidity
45%
P.O.P
30%
Night
-5°
Feels -12
Wind
22 km/h NW
Gust
33 km/h
Humidity
72%
P.O.P
30%
Historical Averages
Feb 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
February
Average Temperature
High
3°
Feels 0
Low
-6°
Feels -11
Average Precipitation
7 Days
Rain amount
26.7mm
Snow amount
15.1cm