Weather observations for the past three days for
St. Charles, St. Charles County Smartt Airport
Imperial (Metric)
Date Time (cdt) 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.
12 08:54 S 10 10.00 Fair CLR 71.1 55.9 59% 30.06 1017.5
12 07:54 E 6 10.00 Fair CLR 64 55.9 75% 30.06 1017.7
12 06:54 E 6 10.00 Fair CLR 57.9 53.1 64 55.9 84% 30.06 1017.5
12 05:54 SE 5 10.00 Fair CLR 57.9 52 81% 30.05 1017.2
12 04:54 SE 3 10.00 Fair CLR 61 53.1 75% 30.05 1017.3
12 03:54 SE 8 10.00 Fair CLR 62.1 54 75% 30.05 1017.4
12 02:54 S 8 10.00 Fair CLR 64 55 73% 30.07 1017.9
12 01:54 SE 5 10.00 Fair CLR 57.9 54 87% 30.08 1018.4
12 00:54 Calm 10.00 Fair CLR 57.9 55 69.1 57.9 90% 30.1 1019.2
11 23:54 E 7 10.00 Fair CLR 59 54 83% 30.1 1019.2
11 22:54 E 8 10.00 Fair CLR 59 54 83% 30.12 1019.6
11 21:54 E 7 10.00 Fair CLR 59 53.1 81% 30.13 1020.1
11 20:54 E 6 10.00 Fair CLR 61 53.1 75% 30.14 1020.5
11 19:54 SE 7 10.00 Fair CLR 66 55.9 70% 30.14 1020.3
11 18:54 SE 8 10.00 A Few Clouds FEW120 69.1 55.9 72 64.9 63% 30.16 1021.2
11 17:54 SE 8 10.00 Mostly Cloudy BKN110 70 55.9 61% 30.18 1021.7
11 16:54 SE 7 10.00 Overcast OVC110 70 55 59% 30.19 1022.1
11 15:54 SE 12 10.00 Mostly Cloudy BKN100 71.1 54 55% 30.21 1022.9
11 14:54 S 12 G 18 10.00 A Few Clouds FEW090 71.1 53.1 53% 30.23 1023.6
11 13:54 S 10 G 24 10.00 Fair CLR 70 51.1 51% 30.26 1024.5
11 12:54 SE 13 10.00 Fair CLR 66 48.9 66 48 54% 30.29 1025.6
11 11:54 E 8 10.00 Overcast BKN050 OVC070 61 46 58% 30.33 1026.8
11 10:54 E 8 10.00 Mostly Cloudy BKN070 57.9 45 62% 30.36 1027.9
11 09:54 E 14 10.00 Mostly Cloudy BKN090 55.9 45 67% 30.35 1027.6
11 08:54 E 13 10.00 Overcast OVC090 54 44.1 69% 30.36 1028.1
11 07:54 E 16 9.00 Overcast OVC085 51.1 45 80% 30.35 1027.5
11 06:54 E 7 9.00 Fair CLR 48 44.1 52 46.9 86% 45 30.34 1027.2
11 05:54 E 7 10.00 Partly Cloudy SCT090 48 44.1 86% 45 30.34 1027.3
11 04:54 E 7 10.00 Partly Cloudy SCT085 48.9 45 86% 46 30.34 1027.2
11 03:54 NE 7 10.00 A Few Clouds FEW060 48.9 45 86% 46 30.33 1026.8
11 02:54 NE 7 10.00 Fair CLR 48.9 45 86% 46 30.32 1026.6
11 01:54 NE 6 10.00 Fair CLR 50 46 86% 48 30.33 1026.9
11 00:54 E 5 10.00 Mostly Cloudy BKN042 52 46 55.9 51.1 80% 30.33 1026.9
10 23:54 E 6 10.00 Partly Cloudy SCT043 52 46 80% 30.33 1026.7
10 22:54 NE 6 10.00 Overcast OVC041 54 46.9 77% 30.34 1027.2
10 21:54 NE 9 10.00 Overcast OVC041 54 46.9 77% 30.34 1027.2
10 20:54 NE 7 10.00 Overcast OVC042 54 48 80% 30.34 1027.2
10 19:54 N 8 10.00 Overcast BKN017 OVC043 55 48 77% 30.33 1026.9
10 18:54 N 12 10.00 Mostly Cloudy BKN044 BKN060 55.9 48.9 69.1 55.9 77% 30.31 1026.1
10 17:54 N 14 G 25 10.00 Overcast OVC065 57.9 48.9 72% 30.3 1025.7
10 16:54 NE 16 10.00 Overcast OVC050 62.1 52 70% 30.28 1025.0
10 15:54 NW 13 10.00 Overcast OVC060 68 53.1 59% 30.26 1024.4
10 14:54 N 7 10.00 A Few Clouds FEW060 66.9 55 66% 30.27 1024.7
10 13:54 N 14 10.00 Partly Cloudy SCT020 66 55.9 70% 30.27 1024.6
10 12:54 NW 9 10.00 Mostly Cloudy FEW037 BKN046 66.9 55.9 68 61 68% 30.26 1024.2
10 11:54 W 12 10.00 Mostly Cloudy FEW029 BKN055 BKN110 66.9 55 66% 30.25 1024.0
10 10:54 W 13 10.00 Mostly Cloudy BKN046 BKN060 66.9 54 63% 30.23 1023.4
10 09:54 W 10 10.00 Overcast BKN050 OVC070 66 54 65% 30.21 1022.7
10 08:54 NW 10 10.00 Mostly Cloudy BKN065 66 55 68% 30.19 1021.8
10 07:54 Calm 10.00 Fair CLR 64 53.1 68% 30.18 1021.5
10 06:54 Calm 10.00 Fair CLR 63 51.1 69.1 62.1 65% 30.15 1020.7
10 05:54 SW 3 10.00 Mostly Cloudy BKN110 64 48.9 58% 30.14 1020.2
10 04:54 W 9 10.00 Overcast OVC075 68 48 49% 30.16 1020.7
10 03:54 SW 12 10.00 Mostly Cloudy BKN095 BKN110 66.9 46.9 49% 30.11 1019.3
10 02:54 S 10 10.00 Mostly Cloudy BKN080 BKN095 66.9 46.9 49% 30.11 1019.2
10 01:54 S 10 10.00 Fair CLR 68 46.9 47% 30.11 1019.2
10 00:54 SW 14 G 24 10.00 Fair CLR 69.1 46 78.1 68 44% 30.11 1019.0
09 23:54 S 15 G 26 10.00 Fair CLR 70 46 42% 30.08 1018.2
09 22:54 S 16 10.00 Fair CLR 70 45 41% 30.06 1017.7
09 21:54 SE 12 10.00 Partly Cloudy SCT100 68 45 44% 30.07 1017.8
09 20:54 SE 10 10.00 Overcast OVC100 71.1 46 41% 30.07 1018.0
09 19:54 S 7 10.00 Overcast OVC100 72 43 35% 30.07 1018.1
09 18:54 S 13 10.00 Mostly Cloudy BKN100 78.1 43 82.9 78.1 29% 78 30.07 1018.0
09 17:54 S 16 10.00 A Few Clouds FEW100 80.1 39.9 24% 79 30.07 1018.0
09 16:54 S 15 10.00 Mostly Cloudy BKN100 82 42.1 24% 80 30.09 1018.5
09 15:54 SW 16 G 24 10.00 Partly Cloudy SCT095 81 39.9 23% 79 30.09 1018.6
09 14:54 SW 10 G 26 10.00 A Few Clouds FEW095 80.1 39 23% 79 30.11 1019.3
09 13:54 SW 16 G 24 10.00 Fair CLR 81 39 22% 79 30.13 1019.8
09 12:54 SW 15 G 24 10.00 Fair CLR 80.1 39.9 80.1 46 24% 79 30.15 1020.5
09 11:54 SW 20 G 26 10.00 Fair CLR 78.1 41 27% 78 30.17 1021.1
09 10:54 SW 22 10.00 Fair and Breezy CLR 75.9 39.9 27% 77 30.18 1021.6
09 09:54 SW 20 G 28 10.00 Fair CLR 73 39.9 30% 30.18 1021.6
Date Time (cdt) 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)