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.
30 01:54 NE 5 10.00 Fair CLR 66.9 55 66% 29.89 1011.7
30 00:54 Calm 10.00 Partly Cloudy SCT070 66 55 73.9 64.9 68% 29.92 1012.7
29 23:54 E 7 10.00 Fair CLR 64.9 54 68% 29.92 1012.7
29 22:54 E 3 10.00 Fair CLR 64.9 54 68% 29.93 1013.0
29 21:54 E 7 10.00 Fair CLR 66.9 55 66% 29.93 1013.2
29 20:54 E 7 10.00 Fair CLR 68 55.9 65% 29.92 1012.9
29 19:54 E 3 10.00 Fair CLR 66.9 57.9 73% 29.91 1012.6
29 18:54 SE 6 10.00 Fair CLR 73.9 51.1 84.9 73.9 45% 29.91 1012.4
29 17:54 SE 5 10.00 Fair CLR 79 51.1 38% 79 29.91 1012.5
29 16:54 SE 8 10.00 Fair CLR 82.9 48.9 31% 81 29.91 1012.5
29 15:54 S 10 10.00 Fair CLR 84 48 29% 82 29.92 1012.9
29 14:54 S 7 10.00 Fair CLR 82.9 48 30% 81 29.94 1013.4
29 13:54 S 13 10.00 Fair CLR 82.9 48.9 31% 81 29.97 1014.5
29 12:54 S 10 10.00 Fair CLR 82 46.9 82 51.1 29% 80 29.99 1015.1
29 11:54 S 12 G 18 10.00 Fair CLR 80.1 48 33% 79 30.01 1016.0
29 10:54 S 8 10.00 Fair CLR 77 50 39% 78 30.02 1016.2
29 09:54 Vrbl 3 10.00 Fair CLR 69.1 52 55% 30.03 1016.8
29 08:54 E 3 10.00 Fair CLR 62.1 52 70% 30.04 1016.9
29 07:54 E 5 10.00 Fair CLR 55.9 52 87% 30.02 1016.3
29 06:54 Calm 10.00 Fair CLR 51.1 48.9 54 50 92% 30.02 1016.4
29 05:54 NE 3 10.00 Fair CLR 50 46.9 89% 30.01 1016.1
29 04:54 Calm 10.00 Fair CLR 52 48 86% 30 1015.7
29 03:54 Calm 10.00 Fair CLR 52 48.9 89% 30 1015.4
29 02:54 NE 3 10.00 Fair CLR 51.1 46.9 86% 30.01 1015.8
29 01:54 E 3 10.00 Fair CLR 51.1 48 89% 30.02 1016.2
29 00:54 Calm 10.00 Fair CLR 53.1 48.9 71.1 53.1 86% 30.02 1016.4
28 23:54 NW 3 10.00 Fair CLR 55 50 83% 30.01 1016.0
28 22:54 NE 3 10.00 Fair CLR 55.9 48.9 77% 30 1015.7
28 21:54 NE 6 10.00 Fair CLR 55 53.1 93% 30.02 1016.4
28 20:54 Calm 10.00 Fair CLR 59 54 83% 30.01 1016.1
28 19:54 N 3 10.00 Fair CLR 64 55 73% 30 1015.7
28 18:54 Calm 10.00 Fair CLR 72 50 81 72 46% 29.99 1015.3
28 17:54 W 6 10.00 Fair CLR 79 46.9 32% 79 30 1015.3
28 16:54 W 6 10.00 Fair CLR 80.1 46.9 31% 79 29.99 1015.3
28 15:54 NW 8 10.00 Fair CLR 81 48 32% 80 30 1015.3
28 14:54 NW 10 10.00 Fair CLR 80.1 46.9 31% 79 30.01 1015.9
28 13:54 NE 6 10.00 Fair CLR 79 46.9 32% 79 30.04 1016.7
28 12:54 W 3 10.00 Fair CLR 77 48 77 59 36% 78 30.07 1017.8
28 11:54 N 6 10.00 Fair CLR 75 48 39% 77 30.09 1018.4
28 10:54 NE 3 10.00 Fair CLR 73 50 44% 30.1 1018.9
28 09:54 NE 8 10.00 Fair CLR 68 48 49% 30.11 1019.2
28 08:54 NE 3 10.00 Fair CLR 64 43 46% 30.11 1019.4
28 07:54 NE 5 10.00 Partly Cloudy SCT120 62.1 46.9 58% 30.1 1019.0
28 06:54 NE 3 10.00 Mostly Cloudy BKN110 59 51.1 66 59 75% 30.09 1018.5
28 05:54 NE 3 10.00 Overcast OVC110 61 52 72% 30.07 1018.1
28 04:54 NE 5 10.00 Overcast OVC120 62.1 53.1 73% 30.06 1017.6
28 03:54 NE 6 10.00 Overcast OVC110 63 55 76% 30.07 1017.7
28 02:54 NE 6 10.00 Overcast OVC120 64 55 73% 30.07 1017.9
28 01:54 Calm 10.00 Fair CLR 66 55 68% 30.07 1017.8
28 00:54 N 5 10.00 A Few Clouds FEW110 64.9 55.9 70 64.9 73% 30.06 1017.6
27 23:54 N 5 10.00 Fair CLR 66 55 68% 30.06 1017.5
27 22:54 N 6 10.00 Fair CLR 66 55 68% 30.05 1017.4
27 21:54 NW 5 10.00 Mostly Cloudy BKN120 64.9 55 70% 30.05 1017.1
27 20:54 N 5 10.00 Partly Cloudy SCT075 66 55.9 70% 30.04 1017.0
27 19:54 N 6 10.00 Fair CLR 66 55.9 70% 30.03 1016.6
27 18:54 Calm 10.00 Partly Cloudy SCT065 70 57 75.9 70 64% 30.03 1016.5
27 17:54 E 5 10.00 Mostly Cloudy BKN120 73.9 51.1 45% 30.02 1016.4
27 16:54 Vrbl 6 10.00 Partly Cloudy SCT065 75.9 51.1 42% 78 30.02 1016.2
27 15:54 N 5 10.00 Partly Cloudy SCT080 75 52 45% 78 30.03 1016.4
27 14:54 NE 6 10.00 Overcast SCT055 OVC070 75.9 52 43% 78 30.04 1016.9
27 13:54 NE 3 10.00 Overcast OVC065 71.1 52 51% 30.07 1017.8
27 12:54 E 3 10.00 Overcast BKN060 OVC110 70 52 71.1 59 53% 30.09 1018.7 0.02
27 11:54 NE 8 10.00 Overcast OVC060 68 55 63% 30.1 1018.8
27 10:54 E 5 10.00 Overcast OVC055 64.9 57.9 78% 30.11 1019.2
27 09:54 NE 3 10.00 Overcast OVC055 63 57 81% 30.1 1019.2 0.02
27 08:54 Calm 10.00 Overcast BKN060 OVC080 60.1 57 90% 30.11 1019.3 0.01
27 07:54 W 3 10.00 Overcast OVC070 59 57 93% 30.11 1019.3 0.01
27 06:54 NW 6 10.00 Light Rain OVC085 60.1 55.9 61 59 86% 30.09 1018.6 0.01 0.01
27 05:54 W 5 10.00 Overcast OVC085 61 57.9 90% 30.07 1017.9
27 04:54 Calm 10.00 Overcast OVC090 60.1 57 90% 30.05 1017.4
27 03:54 Calm 10.00 Overcast OVC100 61 55 81% 30.05 1017.2
27 02:54 Calm 10.00 Mostly Cloudy BKN110 60.1 55 84% 30.06 1017.6
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)