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Monthly weather forecast in Sioux Falls
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
18
+28
+19
18 August, sun
+28
+19
Feels like
+27
721 mmHg
54%
7
m/s
SW
18 August, Sunday. day, 28°; night, 19°; clear
19
+26
+19
19 August, mon
+26
+19
Feels like
+24
721 mmHg
56%
6.5
m/s
SW
19 August, Monday. day, 26°; night, 19°; partly cloudy
20
+26
+20
20 August, tue
+26
+20
Feels like
+25
723 mmHg
55%
6.3
m/s
SW
20 August, Tuesday. day, 26°; night, 20°; clear
21
+27
+20
21 August, wed
+27
+20
Feels like
+25
724 mmHg
52%
6.5
m/s
SE
21 August, Wednesday. day, 27°; night, 20°; clear
22
+29
+20
22 August, thu
+29
+20
Feels like
+26
722 mmHg
46%
8.1
m/s
S
22 August, Thursday. day, 29°; night, 20°; clear
23
August
+25
+18
23 August, fri
+25
+18
Feels like
+21
725 mmHg
71%
4.8
m/s
S
Climate normal
+27
+21
23 August, Friday. day, 25°; night, 18°; partly cloudy
24
+28
+22
24 August, sat
+28
+22
Feels like
+25
723 mmHg
76%
4.9
m/s
SE
Climate normal
+27
+20
24 August, Saturday. day, 28°; night, 22°; partly cloudy
25
+30
+22
25 August, sun
+30
+22
Feels like
+31
723 mmHg
75%
4
m/s
SE
Climate normal
+26
+19
25 August, Sunday. day, 30°; night, 22°; clear
26
+29
+19
26 August, mon
+29
+19
Feels like
+28
724 mmHg
77%
4.7
m/s
NW
Climate normal
+27
+20
26 August, Monday. day, 29°; night, 19°; mostly clear
27
+26
+18
27 August, tue
+26
+18
Feels like
+23
726 mmHg
71%
3.3
m/s
N
Climate normal
+27
+20
27 August, Tuesday. day, 26°; night, 18°; overcast
28
+27
+21
28 August, wed
+27
+21
Feels like
+23
724 mmHg
76%
6.7
m/s
SE
Climate normal
+28
+19
28 August, Wednesday. day, 27°; night, 21°; light rain
29
+26
+15
29 August, thu
+26
+15
Feels like
+23
722 mmHg
73%
5.6
m/s
NW
Climate normal
+29
+21
29 August, Thursday. day, 26°; night, 15°; partly cloudy
30
+26
+13
30 August, fri
+26
+13
Feels like
+19
725 mmHg
59%
5.4
m/s
NW
Climate normal
+28
+20
30 August, Friday. day, 26°; night, 13°; clear
31
+27
+16
31 August, sat
+27
+16
Feels like
+21
724 mmHg
62%
4.1
m/s
SW
Climate normal
+26
+20
31 August, Saturday. day, 27°; night, 16°; clear
1 September
+26
+16
1 September, sun
+26
+16
Feels like
+22
723 mmHg
61%
4.1
m/s
N
Climate normal
+25
+20
1 September, Sunday. day, 26°; night, 16°; mostly clear
2
+26
+15
2 September, mon
+26
+15
Feels like
+20
724 mmHg
58%
3.9
m/s
N
Climate normal
+25
+19
2 September, Monday. day, 26°; night, 15°; clear
3
+26
+16
3 September, tue
+26
+16
Feels like
+19
724 mmHg
58%
3.8
m/s
SW
Climate normal
+25
+19
3 September, Tuesday. day, 26°; night, 16°; partly cloudy
4
+28
+20
4 September, wed
+28
+20
Feels like
+19
722 mmHg
70%
7
m/s
W
Climate normal
+24
+17
4 September, Wednesday. day, 28°; night, 20°; partly cloudy
5
+19
+9
5 September, thu
+19
+9
Feels like
+14
728 mmHg
64%
4.7
m/s
NW
Climate normal
+24
+18
5 September, Thursday. day, 19°; night, 9°; clear
6
+22
+14
6 September, fri
+22
+14
Feels like
+15
726 mmHg
71%
2.1
m/s
NW
Climate normal
+24
+17
6 September, Friday. day, 22°; night, 14°; clear
7
+23
+16
7 September, sat
+23
+16
Feels like
+19
722 mmHg
71%
3.1
m/s
SW
Climate normal
+23
+17
7 September, Saturday. day, 23°; night, 16°; mostly clear
8
+20
+10
8 September, sun
+20
+10
Feels like
+16
725 mmHg
68%
4.2
m/s
N
Climate normal
+25
+17
8 September, Sunday. day, 20°; night, 10°; mostly clear
9
+18
+10
9 September, mon
+18
+10
Feels like
+12
728 mmHg
74%
2.1
m/s
E
Climate normal
+22
+18
9 September, Monday. day, 18°; night, 10°; mostly clear
10
+18
+11
10 September, tue
+18
+11
Feels like
+12
728 mmHg
75%
3
m/s
E
Climate normal
+24
+17
10 September, Tuesday. day, 18°; night, 11°; clear
11
+17
+13
11 September, wed
+17
+13
Feels like
+10
724 mmHg
78%
5.4
m/s
SE
Climate normal
+24
+18
11 September, Wednesday. day, 17°; night, 13°; partly cloudy
12
+17
+15
12 September, thu
+17
+15
Feels like
+14
722 mmHg
94%
3.2
m/s
E
Climate normal
+22
+16
12 September, Thursday. day, 17°; night, 15°; light rain
13
+21
+15
13 September, fri
+21
+15
Feels like
+20
726 mmHg
83%
1.4
m/s
E
Climate normal
+22
+16
13 September, Friday. day, 21°; night, 15°; partly cloudy
14
+21
+13
14 September, sat
+21
+13
Feels like
+18
726 mmHg
85%
2.2
m/s
SE
Climate normal
+21
+16
14 September, Saturday. day, 21°; night, 13°; partly cloudy
15
+24
+11
15 September, sun
+24
+11
Feels like
+19
725 mmHg
76%
2.1
m/s
NW
Climate normal
+21
+14
15 September, Sunday. day, 24°; night, 11°; clear
16
+23
+13
16 September, mon
+23
+13
Feels like
+17
723 mmHg
72%
2.1
m/s
NE
Climate normal
+22
+15
16 September, Monday. day, 23°; night, 13°; clear
17
+23
+16
17 September, tue
+23
+16
Feels like
+18
725 mmHg
75%
3.1
m/s
SE
Climate normal
+22
+16
17 September, Tuesday. day, 23°; night, 16°; clear
18
+24
+17
18 September, wed
+24
+17
Feels like
+19
724 mmHg
77%
3.7
m/s
S
Climate normal
+23
+16
18 September, Wednesday. day, 24°; night, 17°; light rain
19
+21
+14
19 September, thu
+21
+14
Feels like
+17
721 mmHg
85%
4
m/s
W
Climate normal
+24
+17
19 September, Thursday. day, 21°; night, 14°; rain
20
+16
+10
20 September, fri
+16
+10
Feels like
+10
723 mmHg
59%
6.7
m/s
NW
Climate normal
+22
+16
20 September, Friday. day, 16°; night, 10°; clear
21
+18
+12
21 September, sat
+18
+12
Feels like
+10
726 mmHg
67%
3.4
m/s
E
Climate normal
+23
+17
21 September, Saturday. day, 18°; night, 12°; clear
Average for 30 days
18
sunny days
3
days with precipitation
9
cloudy days
18 sunny days; 3 days with precipitation; 9 cloudy days;
72
%
air humidity
4
m/s
Wind
NW
3
mm of precipitation
(1% of annual average)
air humidity 72%; 3 millimeters of precipitation (1% of annual average); Wind north-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
SE
SE
NW
N
SE
NW
NW
SW
N
N
SW
W
NW
NW
SW
N
E
E
SE
E
E
SE
NW
NE
SE
S
W
NW
E
23
Average data for 10 years
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Daytime temperature
Night-time temperature
