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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Prophetstown, IL
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
20°
12
25°
13
21°
14
23°
15
24°
16
26°
17
26°
18
23°
19
20°
20
22°
21
23°
22
23°
23
23°
24
24°
25
24°
26
27
28
29
30
31
Forecast
Monday, May 11, 2026
Day
20°
Feels 20
Wind
15 km/h NE
Gust
23 km/h
Humidity
28%
P.O.P
10%
Night
7°
Feels 3
Wind
21 km/h E
Gust
32 km/h
Humidity
61%
P.O.P
20%
Historical Averages
May 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
23°
Feels 23
Low
11°
Feels 10
Average Precipitation
13 Days
Rain amount
110.8mm
Snow amount
0cm