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.
23 03:54 N 10 10.00 Overcast OVC031 42.1 30.9 65% 37 30.26 1024.3
23 02:54 N 15 10.00 Fair CLR 42.1 30.9 65% 35 30.24 1023.8
23 01:54 N 12 10.00 Fair CLR 43 32 65% 37 30.21 1022.6
23 00:54 N 17 10.00 Fair CLR 45 33.1 57 45 63% 38 30.18 1021.5
22 23:54 N 8 10.00 Fair CLR 46 35.1 66% 42 30.13 1020.1
22 22:54 N 13 G 22 10.00 Fair CLR 48 35.1 61% 43 30.09 1018.7
22 21:54 N 18 G 28 10.00 Fair CLR 48.9 35.1 59% 43 30.06 1017.7
22 20:54 N 23 G 37 10.00 Fair and Breezy CLR 52 37 57% 30.01 1016.1
22 19:54 N 13 10.00 Fair CLR 53.1 39.9 61% 29.95 1014.0
22 18:54 N 17 G 35 10.00 Fair CLR 57 41 88 57 55% 29.89 1012.2
22 17:54 N 18 G 39 10.00 Fair CLR 62.1 43 50% 29.84 1010.1
22 16:54 N 25 G 40 10.00 Fair and Breezy CLR 71.1 48.9 46% 29.73 1006.4
22 15:54 N 22 G 36 10.00 Fair and Breezy CLR 81 52 37% 80 29.65 1003.6
22 14:54 NW 14 10.00 Fair CLR 88 54 31% 86 29.6 1002.0
22 13:54 NW 7 10.00 Fair CLR 86 55 35% 84 29.61 1002.1
22 12:54 W 9 10.00 Fair CLR 84.9 54 84.9 51.1 35% 83 29.63 1003.0
22 11:54 Vrbl 5 10.00 Fair CLR 82 55.9 41% 82 29.65 1003.5
22 10:54 W 5 10.00 Fair CLR 79 54 42% 79 29.67 1004.2
22 09:54 SW 6 10.00 Fair CLR 75 55 50% 78 29.67 1004.4
22 08:54 N 7 10.00 Fair CLR 68 57.9 70% 29.68 1004.8
22 07:54 Calm 9.00 Fair CLR 55.9 54 93% 29.65 1003.9
22 06:54 Calm 9.00 Fair CLR 52 52 57.9 52 100% 29.65 1003.6
22 05:54 N 3 9.00 Fair CLR 55 54 96% 29.64 1003.2
22 04:54 NE 3 10.00 Fair CLR 52 50 93% 29.64 1003.4
22 03:54 N 3 10.00 Fair CLR 54 52 93% 29.66 1003.8
22 02:54 NE 3 10.00 Fair CLR 55 53.1 93% 29.67 1004.4
22 01:54 Calm 10.00 Fair CLR 55 52 90% 29.69 1005.0
22 00:54 SE 3 10.00 Fair CLR 57.9 52 80.1 57 81% 29.71 1005.7
21 23:54 NE 5 10.00 Fair CLR 60.1 52 75% 29.72 1006.1
21 22:54 NE 6 10.00 Fair CLR 61 51.1 70% 29.73 1006.3
21 21:54 E 6 10.00 Fair CLR 63 50 63% 29.74 1006.8
21 20:54 NE 6 10.00 Fair CLR 64.9 50 59% 29.75 1006.9
21 19:54 E 6 10.00 Fair CLR 68 46.9 47% 29.74 1006.8
21 18:54 SE 10 10.00 Fair CLR 80.1 48.9 88 80.1 34% 79 29.73 1006.4
21 17:54 S 7 10.00 Fair CLR 84.9 48.9 29% 83 29.73 1006.5
21 16:54 SW 5 10.00 Fair CLR 87.1 44.1 22% 84 29.75 1007.1
21 15:54 SW 6 10.00 Fair CLR 87.1 45 23% 84 29.77 1007.5
21 14:54 S 8 10.00 Fair CLR 84.9 48 28% 83 29.79 1008.2
21 13:54 S 7 10.00 Fair CLR 84 48.9 30% 82 29.81 1009.1
21 12:54 SE 8 10.00 Fair CLR 81 48.9 81 46.9 33% 80 29.84 1010.0
21 11:54 E 3 10.00 Fair CLR 75.9 48.9 39% 78 29.87 1011.0
21 10:54 E 6 10.00 Fair CLR 71.1 48.9 46% 29.88 1011.5
21 09:54 E 9 10.00 Fair CLR 64.9 48.9 56% 29.88 1011.4
21 08:54 E 10 10.00 Fair CLR 61 48 63% 29.89 1011.7
21 07:54 NE 5 10.00 Fair CLR 51.1 46.9 86% 29.89 1011.7
21 06:54 Calm 10.00 Fair CLR 48.9 44.1 57.9 48 83% 29.87 1011.2
21 05:54 Calm 10.00 Fair CLR 48.9 46 90% 29.86 1010.7
21 04:54 Calm 10.00 Fair CLR 48.9 42.1 77% 29.87 1010.9
21 03:54 Calm 10.00 Fair CLR 52 44.1 75% 29.88 1011.4
21 02:54 N 3 10.00 Fair CLR 53.1 45 74% 29.89 1011.8
21 01:54 N 3 10.00 Fair CLR 54 46.9 77% 29.9 1012.0
21 00:54 Calm 10.00 Fair CLR 57.9 46 80.1 57.9 65% 29.9 1012.0
20 23:54 Calm 10.00 Fair CLR 57.9 44.1 60% 29.9 1012.1
20 22:54 NE 3 10.00 Fair CLR 62.1 44.1 52% 29.89 1011.7
20 21:54 NE 8 10.00 Fair CLR 70 44.1 39% 29.87 1011.2
20 20:54 N 12 10.00 Fair CLR 73 44.1 35% 29.86 1010.9
20 19:54 N 5 10.00 Fair CLR 75.9 44.1 32% 77 29.84 1010.2
20 18:54 NW 8 10.00 Fair CLR 80.1 44.1 89.1 80.1 28% 79 29.83 1009.8
20 17:54 NW 9 10.00 Fair CLR 86 44.1 23% 83 29.81 1009.2
20 16:54 W 12 10.00 Fair CLR 88 43 21% 85 29.81 1009.1
20 15:54 W 13 10.00 Fair CLR 89.1 42.1 19% 85 29.82 1009.5
20 14:54 W 13 G 21 10.00 Fair CLR 88 43 21% 85 29.83 1009.8
20 13:54 W 16 G 22 10.00 Fair CLR 86 43 22% 83 29.86 1010.9
20 12:54 W 15 10.00 Fair CLR 84 45 84 41 25% 82 29.89 1011.9
20 11:54 W 13 10.00 Fair CLR 78.1 46 32% 78 29.91 1012.4
20 10:54 W 9 10.00 Fair CLR 71.1 46 41% 29.92 1013.1
20 09:54 Calm 10.00 Fair CLR 62.1 46 56% 29.93 1013.2
20 08:54 Calm 10.00 Fair CLR 54 46.9 77% 29.93 1013.3
20 07:54 Calm 10.00 Fair CLR 43 41 93% 29.93 1013.2
20 06:54 Calm 10.00 Fair CLR 41 39 53.1 41 93% 29.92 1012.9
20 05:54 Calm 10.00 Fair CLR 41 39.9 96% 29.91 1012.8
20 04:54 Calm 10.00 Fair CLR 45 42.1 90% 29.9 1012.3
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)