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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Storm Lake, IA
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
10°
Feels 8
Average Precipitation
11 Days
Rain amount
82.6mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
21°
10
21°
11
23°
12
25°
13
21°
14
24°
15
29°
16
26°
17
26°
18
23°
19
22°
20
23°
21
24°
22
24°
23
22°
24
25
26
27
28
29
30
31
Forecast
Saturday, May 9, 2026
Day
21°
Feels 21
Wind
23 km/h N
Gust
35 km/h
Humidity
26%
P.O.P
30%
Night
5°
Feels 3
Wind
22 km/h N
Gust
33 km/h
Humidity
65%
P.O.P
20%
Historical Averages
May 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.