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.
24 18:54 SW 8 10.00 Fair CLR 81 69.1 84 81 67% 84 29.96 1014.1
24 17:54 SW 9 10.00 Mostly Cloudy BKN050 BKN060 82 68 63% 85 29.96 1014.1
24 16:54 SW 10 10.00 A Few Clouds FEW037 82.9 68 61% 86 29.96 1014.1
24 15:54 SW 9 10.00 Overcast FEW043 OVC110 82.9 66.9 59% 86 29.98 1014.9
24 14:54 SW 7 10.00 A Few Clouds FEW120 82.9 66.9 59% 86 30 1015.6
24 13:54 S 12 10.00 Partly Cloudy SCT038 82 66.9 60% 85 30.02 1016.3
24 12:54 W 8 10.00 Mostly Cloudy SCT039 BKN055 82 64.9 82 66.9 56% 84 30.05 1017.1
24 11:54 SW 9 10.00 A Few Clouds FEW043 81 62.1 53% 82 30.06 1017.4
24 10:54 SW 9 10.00 Fair CLR 79 63 58% 81 30.06 1017.6
24 09:54 S 8 10.00 Fair CLR 77 64 64% 79 30.09 1018.6
24 08:54 SE 5 10.00 Fair CLR 73 62.1 69% 30.11 1019.1
24 07:54 NE 5 10.00 Fair CLR 70 60.1 71% 30.12 1019.4
24 06:54 E 5 10.00 Fair CLR 66.9 62.1 66.9 61 84% 30.11 1019.4
24 05:54 Calm 10.00 Fair CLR 63 60.1 90% 30.12 1019.6
24 04:54 N 5 10.00 Fair CLR 63 60.1 90% 30.13 1019.9
24 03:54 Calm 10.00 Fair CLR 63 61 93% 30.1 1019.0
24 02:54 Calm 10.00 Fair CLR 63 62.1 97% 30.12 1019.4
24 01:54 Calm 10.00 Fair CLR 64 61 90% 30.13 1019.8
24 00:54 Calm 10.00 Fair CLR 64 61 79 64 90% 30.14 1020.1
23 23:54 Calm 10.00 Fair CLR 64.9 62.1 90% 30.14 1020.1
23 22:54 Calm 10.00 Fair CLR 66.9 62.1 84% 30.15 1020.6
23 21:54 NE 5 10.00 Fair CLR 66.9 64 91% 30.14 1020.2
23 20:54 NE 3 10.00 Fair CLR 72 64 76% 30.14 1020.2
23 19:54 E 6 10.00 Fair CLR 75.9 62.1 62% 78 30.14 1020.2
23 18:54 E 3 10.00 Fair CLR 79 57.9 81 77 49% 80 30.14 1020.2
23 17:54 Calm 10.00 A Few Clouds FEW050 79 57.9 49% 80 30.14 1020.4
23 16:54 E 6 10.00 Fair CLR 81 59 47% 81 30.13 1019.9
23 15:54 NE 3 10.00 Fair CLR 80.1 57 45% 80 30.14 1020.3
23 14:54 Vrbl 5 10.00 Fair CLR 79 55.9 45% 80 30.17 1021.2
23 13:54 Calm 10.00 Fair CLR 79 55.9 45% 80 30.19 1021.8
23 12:54 Vrbl 5 10.00 Fair CLR 79 55 79 60.1 44% 80 30.2 1022.2
23 11:54 Calm 10.00 Fair CLR 75.9 48.9 39% 78 30.21 1022.7
23 10:54 Calm 10.00 Fair CLR 75 53.1 46% 78 30.21 1022.7
23 09:54 E 3 10.00 Fair CLR 72 55 55% 30.21 1022.5
23 08:54 Calm 10.00 Fair CLR 69.1 59 70% 30.21 1022.8
23 07:54 Calm 10.00 Fair CLR 66 61 84% 30.21 1022.5
23 06:54 Calm 10.00 Fair CLR 60.1 57.9 62.1 55 93% 30.19 1022.0
23 05:54 Calm 9.00 A Few Clouds FEW002 55.9 55.9 100% 30.18 1021.6
23 04:54 Calm 10.00 Fair CLR 57 55.9 96% 30.16 1020.9
23 03:54 Calm 10.00 Fair CLR 59 57 93% 30.15 1020.8
23 02:54 S 3 10.00 Fair CLR 59 57 93% 30.13 1020.1
23 01:54 SW 3 10.00 Fair CLR 60.1 57.9 93% 30.12 1019.8
23 00:54 Calm 10.00 Fair CLR 62.1 60.1 71.1 61 93% 30.12 1019.5
22 23:54 Calm 10.00 Fair CLR 62.1 60.1 93% 30.11 1019.4
22 22:54 Calm 10.00 Fair CLR 63 61 93% 30.11 1019.4
22 21:54 Calm 10.00 Fair CLR 66 62.1 87% 30.1 1019.1
22 20:54 NW 5 10.00 Fair CLR 66.9 62.1 84% 30.08 1018.3
22 19:54 NW 3 10.00 Fair CLR 71.1 61 71% 30.07 1018.1
22 18:54 NW 7 10.00 Partly Cloudy SCT049 71.1 60.1 72 66 68% 30.06 1017.5
22 17:54 NW 8 10.00 Overcast OVC044 72 60.1 66% 30.05 1017.3
22 16:54 N 10 G 17 10.00 Overcast FEW026 OVC040 71.1 59 66% 30.04 1017.0
22 15:54 N 12 10.00 Overcast FEW025 OVC036 70 60.1 71% 30.03 1016.5
22 14:54 N 10 10.00 Overcast FEW021 BKN029 OVC036 70 60.1 71% 30.02 1016.3
22 13:54 N 9 10.00 Overcast BKN026 OVC035 68 60.1 76% 30.03 1016.5
22 12:54 N 7 10.00 Overcast OVC023 66 59 66.9 63 78% 30.02 1016.4
22 11:54 N 3 10.00 Overcast OVC022 66 57.9 75% 30 1015.6
22 10:54 N 5 10.00 Overcast OVC021 64.9 57.9 78% 29.99 1015.1
22 09:54 N 8 10.00 Overcast OVC018 64 57 78% 29.97 1014.4
22 08:54 N 12 G 21 10.00 Overcast BKN016 OVC021 64 57.9 81% 29.94 1013.5
22 07:54 N 9 10.00 Overcast OVC017 63 57.9 84% 29.94 1013.4
22 06:54 N 9 10.00 Overcast OVC018 63 57.9 64.9 62.1 84% 29.9 1012.2
22 05:54 N 10 10.00 Overcast OVC012 62.1 57.9 86% 29.9 1012.1
22 04:54 N 8 9.00 Overcast OVC010 62.1 57.9 86% 29.86 1010.8
22 03:54 N 10 10.00 Overcast BKN012 OVC020 62.1 57.9 86% 29.83 1009.7
22 02:54 NW 12 10.00 Overcast OVC015 64 59 84% 29.84 1010.0
22 01:54 NW 8 10.00 Overcast OVC015 64 57.9 81% 29.83 1009.8
21 23:54 NW 13 G 24 10.00 Overcast OVC018 66.9 60.1 79% 29.82 1009.4
21 22:54 W 15 G 23 10.00 Mostly Cloudy BKN019 BKN025 70 63 79% 29.79 1008.3
21 21:54 NW 12 10.00 Overcast OVC022 73 66.9 81% 29.77 1007.5
21 20:54 NW 13 10.00 Overcast SCT019 SCT029 OVC050 75.9 69.1 79% 77 29.72 1006.0
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)