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in O Fallon mainly cloudy, heavy rain, +18 °C

O Fallon 10-Day Weather Forecast

Air temperature, °C

+23
+16
+26
+13
+28
+17
+27
+19
+22
+16
+24
+12
+22
+15
+20
+14
+22
+13
+18
+12

Real feel, °C

+23
+16
+26
+13
+28
+17
+27
+19
+22
+16
+24
+12
+22
+15
+20
+13
+22
+13
+18
+11

Average daily temperature, °C

+19
+20
+22
+23
+19
+18
+19
+17
+17
+15

Average wind speed, m/s

5
4
4
6
7
4
3
4
3
6

Wind gusts, m/s

8
8
7
15
14
8
6
6
6
13

Wind direction

NW
NW
S
S
NW
SW
NW
NW
NW
E

Precipitation in liquid equivalent, mm

18.1
0
1
1.7
23.4
0
0
0
2.2
2.4
0
0
0
0
0
0
0
0

Pressure, mmHg

745
744
747
745
747
744
744
742
749
741
751
749
749
745
747
745
745
743
747
738

Relative humidity, %

90
88
80
80
89
81
76
85
81
93
7
10
11
8
10
7
7
2
3
7
2
2
3
4
3
3
3
3
3
2