Weather observations for the past three days for
St. Charles, St. Charles County Smartt Airport
Imperial (Metric)
Date Time (cst) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
29 19:54 N 8 10.00 Fair CLR 18 9 68% 9 30.33 1027.7
29 18:54 NE 6 9.00 Overcast FEW040 OVC065 19 12 74% 12 30.32 1027.3
29 17:54 NE 8 7.00 Light Snow OVC048 19 12 23 19 74% 10 30.3 1026.7
29 16:54 NE 13 10.00 Overcast SCT060 OVC080 21 10.9 65% 10 30.3 1026.4
29 15:54 NE 12 10.00 Overcast FEW065 OVC085 21 10 62% 10 30.3 1026.4
29 14:54 NE 9 10.00 Overcast FEW060 BKN075 OVC090 23 7 50% 14 30.29 1026.1
29 13:54 NE 8 10.00 Mostly Cloudy BKN085 23 8.1 53% 15 30.29 1026.3
29 12:54 N 8 10.00 Partly Cloudy SCT090 23 8.1 53% 15 30.31 1026.7
29 11:54 NE 7 10.00 Fair CLR 21.9 8.1 21.9 16 55% 14 30.32 1027.1
29 10:54 NE 8 10.00 Mostly Cloudy BKN080 21 8.1 57% 12 30.33 1027.5
29 09:54 N 5 10.00 Mostly Cloudy BKN075 21 6.1 52% 15 30.34 1027.8
29 08:54 NE 7 10.00 Fair CLR 18 6.1 59% 10 30.32 1027.4
29 07:54 NE 5 10.00 Overcast BKN070 OVC080 17.1 6.1 62% 11 30.32 1027.1
29 06:54 NE 6 10.00 Mostly Cloudy BKN065 BKN085 17.1 6.1 62% 10 30.29 1026.2
29 05:54 NE 10 10.00 Partly Cloudy SCT065 19 7 26.1 18 59% 8 30.29 1026.1
29 04:54 NE 9 10.00 Fair CLR 21 8.1 57% 11 30.27 1025.7
29 03:54 NE 5 10.00 Fair CLR 19.9 9 62% 14 30.28 1025.7
29 02:54 NE 7 10.00 Fair CLR 21.9 9 57% 14 30.27 1025.4
29 01:54 NE 6 10.00 Fair CLR 24.1 9 52% 18 30.28 1025.8
29 00:54 NE 6 10.00 Mostly Cloudy BKN055 25 10 53% 19 30.28 1025.7
28 23:54 NE 6 10.00 Overcast OVC055 26.1 12 27 24.1 55% 20 30.29 1026.1
28 22:54 NE 3 10.00 Overcast OVC060 24.1 15.1 68% 30.28 1025.8
28 21:54 SE 3 10.00 Overcast OVC060 25 15.1 66% 30.27 1025.6
28 20:54 Calm 10.00 Overcast SCT060 OVC090 25 14 63% 30.27 1025.7
28 19:54 Calm 10.00 Overcast FEW060 OVC085 26.1 12 55% 30.27 1025.5
28 18:54 Calm 10.00 Overcast OVC085 26.1 12.9 57% 30.26 1025.2
28 17:54 E 3 10.00 Overcast OVC085 27 10.9 30 25 51% 30.25 1025.1
28 16:54 E 3 10.00 Overcast OVC090 28 12.9 53% 30.24 1024.7
28 15:54 Calm 10.00 Overcast SCT075 OVC090 28.9 12 49% 30.24 1024.5
28 14:54 S 6 10.00 Overcast SCT070 OVC090 28.9 10.9 47% 23 30.25 1025.0
28 13:54 W 6 10.00 Mostly Cloudy SCT070 BKN090 28 5 37% 22 30.27 1025.7
28 12:54 W 7 10.00 Overcast OVC100 27 6.1 41% 20 30.31 1027.0
28 11:54 W 6 10.00 A Few Clouds FEW110 25 7 25 10 46% 19 30.34 1028.2
28 10:54 W 9 10.00 Overcast OVC065 21.9 7 52% 13 30.37 1029.1
28 09:54 Calm 10.00 Overcast OVC065 19 10 68% 30.37 1028.9
28 08:54 Calm 10.00 Overcast OVC075 17.1 8.1 68% 30.36 1028.8
28 07:54 Calm 10.00 Overcast OVC075 14 9 80% 30.37 1029.1
28 06:54 SW 3 10.00 Overcast OVC080 10.9 6.1 81% 30.38 1029.5
28 05:54 Calm 10.00 Overcast OVC090 10 7 10 -2 87% 30.38 1029.5
28 04:54 Calm 10.00 Overcast OVC095 8.1 5 87% 30.39 1029.6
28 03:54 Calm 10.00 Overcast OVC100 5 1 83% 30.39 1029.8
28 02:54 NW 3 10.00 Overcast OVC100 -0.9 -4 87% 30.39 1029.7
28 01:54 Calm 10.00 Fair CLR -0.9 -4 87% 30.39 1029.8
28 00:54 Calm 0.75 Fog/Mist CLR 1.9 -0.9 88% 30.4 1030.1
27 23:54 Calm 10.00 Fair CLR 7 6.1 21.9 5 96% 30.4 1030.1
27 22:54 NW 3 10.00 Fair CLR 8.1 5 87% 30.41 1030.3
27 21:54 W 6 10.00 Fair CLR 16 5 62% 8 30.41 1030.4
27 20:54 W 5 10.00 Fair CLR 18 5 57% 12 30.41 1030.4
27 19:54 W 6 10.00 Fair CLR 19 5 54% 12 30.41 1030.4
27 18:54 NW 3 10.00 Fair CLR 16 3.9 59% 30.39 1029.6
27 17:54 NW 8 10.00 Fair CLR 21.9 5 27 21.9 48% 13 30.37 1029.1
27 16:54 NW 12 10.00 Fair CLR 23 8.1 53% 13 30.36 1028.6
27 15:54 W 14 10.00 Fair CLR 26.1 9 48% 15 30.35 1028.1
27 14:54 W 14 10.00 Fair CLR 27 12 53% 16 30.32 1027.2
27 13:54 W 14 10.00 Fair CLR 26.1 12 55% 15 30.3 1026.5
27 12:54 W 15 10.00 Fair CLR 26.1 10.9 53% 15 30.29 1026.3
27 11:54 W 12 10.00 Fair CLR 25 10 25 14 53% 15 30.3 1026.9
27 10:54 W 15 10.00 Fair CLR 24.1 12 60% 12 30.31 1027.0
27 09:54 W 9 10.00 Fair CLR 21.9 10.9 63% 13 30.3 1026.7
27 08:54 W 9 10.00 Fair CLR 19.9 10 65% 10 30.28 1026.1
27 07:54 W 10 10.00 Fair CLR 19 9 65% 8 30.24 1024.8
27 06:54 W 7 10.00 Fair CLR 16 7 67% 7 30.23 1024.3
27 05:54 W 10 10.00 Fair CLR 18 8.1 18 3 65% 7 30.2 1023.4
27 04:54 SW 14 10.00 Fair CLR 17.1 7 64% 4 30.18 1022.5
27 03:54 W 10 10.00 Fair CLR 16 6.1 65% 5 30.19 1022.9
27 02:54 SW 10 10.00 Fair CLR 15.1 5 64% 3 30.2 1023.4
27 01:54 S 9 10.00 Fair CLR 10.9 1.9 67% -1 30.21 1023.6
27 00:54 S 6 10.00 Fair CLR 7 -2 66% -2 30.23 1024.4
26 23:54 SW 8 10.00 Fair CLR 5 -4 10.9 -2 66% -7 30.25 1025.3
26 22:54 SW 12 10.00 Fair CLR 6.1 -4 63% -8 30.28 1026.1
26 21:54 SW 8 10.00 Fair CLR 7 -4 60% -5 30.28 1026.4
26 20:54 Calm 10.00 Fair CLR 1.9 -4 76% 30.32 1027.6
Date Time (cst) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)