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.
21 13:54 SW 22 G 36 10.00 Fair and Breezy CLR 79 48.9 35% 79 30.01 1016.1
21 12:54 SW 17 G 28 10.00 Fair CLR 75.9 46.9 75.9 51.1 36% 78 30.04 1017.0
21 11:54 SW 16 10.00 Fair CLR 73 46 38% 30.06 1017.6
21 10:54 SW 15 10.00 Fair CLR 71.1 44.1 38% 30.07 1018.0
21 09:54 SW 16 G 22 10.00 Fair CLR 66.9 43 42% 30.09 1018.8
21 08:54 SW 13 10.00 Fair CLR 64 43 46% 30.1 1019.1
21 07:54 S 8 10.00 Fair CLR 57.9 44.1 60% 30.11 1019.4
21 06:54 S 8 10.00 Fair CLR 51.1 42.1 55.9 46.9 71% 30.11 1019.3
21 05:54 S 6 10.00 Fair CLR 51.1 41 69% 30.1 1019.2
21 04:54 Calm 10.00 Fair CLR 48 46 93% 30.1 1019.2
21 03:54 Calm 10.00 Fair CLR 51.1 43 74% 30.09 1018.7
21 02:54 SW 6 10.00 Fair CLR 52 44.1 75% 30.09 1018.8
21 01:54 Calm 10.00 Fair CLR 51.1 45 80% 30.1 1019.1
21 00:54 S 5 10.00 Fair CLR 55.9 45 64 54 67% 30.11 1019.5
20 23:54 S 5 10.00 Fair CLR 55 44.1 67% 30.12 1019.7
20 22:54 S 6 10.00 Fair CLR 55.9 42.1 60% 30.13 1020.1
20 21:54 Calm 10.00 Fair CLR 57 43 60% 30.15 1020.9
20 20:54 E 8 10.00 Fair CLR 57 43 60% 30.15 1020.9
20 19:54 E 10 10.00 Fair CLR 60.1 42.1 52% 30.15 1020.8
20 18:54 E 12 10.00 Fair CLR 64 41 66.9 59 43% 30.15 1020.9
20 17:54 E 12 10.00 Fair CLR 66 39 37% 30.17 1021.4
20 16:54 SE 8 10.00 Fair CLR 66 37 34% 30.19 1022.1
20 15:54 SE 6 10.00 Fair CLR 64.9 35.1 33% 30.22 1023.1
20 14:54 S 6 G 18 10.00 Fair CLR 63 34 34% 30.24 1023.9
20 13:54 Vrbl 7 10.00 Fair CLR 61 34 36% 30.27 1024.9
20 12:54 Vrbl 6 10.00 Fair CLR 59 30.9 60.1 42.1 35% 30.3 1026.0
20 11:54 SE 5 10.00 Fair CLR 57 30 36% 30.33 1026.8
20 10:54 SE 6 10.00 Fair CLR 55 30 38% 30.34 1027.4
20 09:54 E 7 10.00 Fair CLR 53.1 28 38% 30.34 1027.3
20 08:54 SE 10 10.00 Fair CLR 51.1 30 45% 30.35 1027.5
20 07:54 E 6 10.00 Fair CLR 46.9 34 61% 45 30.34 1027.4
20 06:54 NE 3 10.00 Fair CLR 42.1 33.1 48.9 41 71% 30.32 1026.7
20 05:54 NE 5 10.00 Fair CLR 43 30.9 63% 41 30.31 1026.2
20 04:54 NE 8 10.00 Fair CLR 44.1 30.9 60% 40 30.28 1025.3
20 03:54 NE 9 10.00 Partly Cloudy SCT080 45 30.9 58% 41 30.28 1025.2
20 02:54 NE 7 10.00 Mostly Cloudy BKN100 46 33.1 61% 43 30.28 1025.3
20 01:54 NE 7 10.00 Overcast OVC090 48.9 33.1 55% 46 30.28 1025.4
20 00:54 NE 9 10.00 Mostly Cloudy BKN090 48.9 35.1 64 48 59% 45 30.27 1025.1
19 23:54 NE 8 10.00 Fair CLR 50 34 54% 47 30.26 1024.5
19 22:54 NE 9 10.00 Fair CLR 52 34 50% 30.23 1023.7
19 21:54 NE 13 10.00 Partly Cloudy SCT110 55 36 49% 30.21 1023.0
19 20:54 NE 7 10.00 Fair CLR 55.9 37 49% 30.18 1022.0
19 19:54 N 6 10.00 Fair CLR 60.1 35.1 39% 30.15 1020.9
19 18:54 NW 10 10.00 Fair CLR 64.9 30.9 68 63 28% 30.14 1020.6
19 17:54 NW 16 G 32 10.00 A Few Clouds FEW100 66.9 32 27% 30.14 1020.7
19 16:54 NW 17 G 24 10.00 Partly Cloudy SCT100 66.9 30.9 26% 30.15 1020.9
19 15:54 W 15 G 32 10.00 A Few Clouds FEW100 66.9 32 27% 30.16 1021.3
19 14:54 W 18 G 32 10.00 Partly Cloudy SCT100 64.9 30.9 28% 30.19 1022.2
19 13:54 NW 18 G 30 10.00 A Few Clouds FEW100 64.9 30 27% 30.2 1022.6
19 12:54 W 20 G 29 10.00 Fair CLR 62.1 27 63 41 26% 30.22 1023.1
19 11:54 W 17 G 25 10.00 Fair CLR 61 28 29% 30.23 1023.7
19 10:54 W 12 10.00 Fair CLR 57.9 34 41% 30.24 1023.8
19 09:54 SW 5 10.00 Fair CLR 54 36 51% 30.24 1023.8
19 08:54 SW 5 10.00 Fair CLR 48.9 35.1 59% 48 30.24 1023.9
19 07:54 SW 6 10.00 Fair CLR 45 37.9 77% 42 30.24 1024.1
19 06:54 S 6 10.00 Fair CLR 41 34 44.1 37 76% 38 30.22 1023.4
19 05:54 Calm 10.00 Fair CLR 39 35.1 86% 30.21 1023.0
19 04:54 Calm 10.00 Fair CLR 37.9 36 93% 30.21 1023.1
19 03:54 SW 5 10.00 A Few Clouds FEW100 42.1 36 79% 40 30.21 1023.0
19 02:54 SW 5 10.00 A Few Clouds FEW120 42.1 36 79% 40 30.21 1022.9
19 01:54 Calm 10.00 Fair CLR 42.1 35.1 76% 30.21 1023.0
19 00:54 Calm 10.00 Fair CLR 44.1 35.1 55.9 44.1 71% 30.21 1022.9
18 23:54 W 7 10.00 Fair CLR 46.9 32 56% 44 30.2 1022.7
18 22:54 W 6 10.00 Fair CLR 46.9 34 61% 45 30.19 1022.4
18 21:54 NW 8 10.00 Fair CLR 50 30 46% 47 30.18 1022.1
18 20:54 NW 9 10.00 Fair CLR 51.1 30 45% 30.16 1021.4
18 19:54 NW 12 10.00 Fair CLR 54 25 33% 30.13 1020.1
18 18:54 NW 14 10.00 Fair CLR 55.9 27 59 53.1 33% 30.1 1019.1
18 17:54 NW 17 G 28 10.00 Fair CLR 57.9 27 31% 30.09 1018.8
18 16:54 NW 13 G 23 10.00 Fair CLR 59 32 36% 30.08 1018.4
18 15:54 W 18 10.00 Fair CLR 57 30.9 37% 30.08 1018.6
18 14:54 W 21 G 26 10.00 Fair and Breezy CLR 57 34 42% 30.1 1018.9
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)