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.
28 07:54 W 7 10.00 Fair CLR 82 75.9 82% 89 29.78 1007.8
28 06:54 NW 6 10.00 Mostly Cloudy BKN050 81 75.9 81 75 85% 87 29.78 1007.7
28 05:54 W 7 10.00 Mostly Cloudy BKN047 79 75 88% 83 29.76 1007.0
28 04:54 W 8 10.00 Fair CLR 80.1 73.9 82% 85 29.74 1006.3
28 03:54 W 8 10.00 Fair CLR 81 73 77% 86 29.73 1006.1
28 02:54 Calm 9.00 Fair CLR 75 73.9 96% 73 29.73 1006.2
28 01:54 Calm 10.00 Fair CLR 75.9 75 97% 75 29.74 1006.4
28 00:54 Calm 10.00 Fair CLR 78.1 75 90 77 90% 81 29.75 1006.6
27 23:54 NE 5 10.00 Fair CLR 78.1 75 90% 81 29.76 1007.1
27 22:54 Calm 10.00 Fair CLR 79 73.9 85% 83 29.76 1007.3
27 21:54 NW 3 10.00 Fair CLR 80.1 73.9 82% 85 29.76 1007.1
27 20:54 S 9 10.00 Fair CLR 82.9 75.9 79% 91 29.74 1006.6
27 19:54 S 8 10.00 Fair CLR 84.9 75 72% 93 29.74 1006.5
27 18:54 SW 8 10.00 Thunderstorm FEW049 FEW075 SCT100 90 77 97 87.1 66% 103 29.77 1007.3
27 17:54 SW 6 10.00 Fair CLR 91 78.1 66% 106 29.75 1006.8
27 16:54 SW 7 10.00 Fair CLR 95 77 56% 110 29.76 1007.1
27 15:54 SW 8 10.00 Fair CLR 95 75.9 54% 108 29.78 1007.7
27 14:54 W 7 10.00 Fair CLR 97 77 53% 112 29.79 1008.3
27 13:54 W 12 10.00 Fair CLR 95 75.9 54% 108 29.79 1008.1
27 12:54 SW 13 10.00 Fair CLR 93 77 93.9 81 60% 107 29.8 1008.6
27 11:54 SW 14 10.00 Fair CLR 91.9 78.1 64% 107 29.85 1010.3
27 10:54 SW 14 10.00 Fair CLR 90 77 66% 103 29.88 1011.2
27 09:54 S 9 10.00 Fair CLR 86 72 63% 92 29.89 1011.7
27 07:54 S 8 10.00 Fair CLR 81 71.1 72% 85 29.92 1012.7
27 06:54 SE 8 G 18 10.00 A Few Clouds FEW015 81 77 82 75.9 88% 88 29.92 1012.6
27 05:54 SE 8 10.00 Fair CLR 80.1 77 90% 86 29.9 1012.0
27 04:54 SW 5 10.00 Fair CLR 78.1 75.9 93% 81 29.85 1010.3
27 03:54 SW 5 8.00 Fair CLR 79 77 94% 83 29.84 1009.9
27 02:54 SW 5 8.00 Fair CLR 79 77 94% 83 29.83 1009.5
27 01:54 Calm 6.00 Fog/Mist CLR 81 79 94% 89 29.84 1009.7
27 00:54 Calm 9.00 Fair CLR 81 80.1 93.9 81 97% 90 29.86 1010.5
26 23:54 Calm 9.00 Fair CLR 81 80.1 97% 90 29.86 1010.5
26 22:54 Calm 10.00 Fair CLR 82 80.1 94% 93 29.87 1010.7
26 21:54 Calm 10.00 Fair CLR 84.9 80.1 85% 99 29.86 1010.4
26 20:54 Calm 10.00 Fair CLR 87.1 81 82% 104 29.84 1009.9
26 19:54 W 5 10.00 Fair CLR 91 82 75% 113 29.84 1009.7
26 18:54 W 3 10.00 Fair CLR 93.9 81 98.1 93 66% 115 29.83 1009.7
26 17:54 W 7 10.00 Fair CLR 96.1 80.1 60% 116 29.85 1010.0
26 16:54 W 7 10.00 A Few Clouds FEW045 97 79 56% 116 29.86 1010.5
26 15:54 W 10 10.00 Fair CLR 97 79 56% 116 29.87 1010.8
26 14:54 W 8 10.00 Fair CLR 97 81 60% 119 29.87 1010.9
26 13:54 W 5 10.00 Fair CLR 95 80.1 62% 115 29.89 1011.6
26 12:54 W 3 10.00 Fair CLR 93 80.1 93.9 77 66% 112 29.91 1012.1
26 11:54 W 6 10.00 Fair CLR 91 80.1 70% 109 29.92 1012.6
26 10:54 W 6 10.00 A Few Clouds FEW040 89.1 80.1 75% 106 29.93 1012.8
26 09:54 W 6 10.00 Fair CLR 86 79 80% 100 29.92 1012.6
26 08:54 SW 3 9.00 Fair CLR 82 79 90% 92 29.93 1012.7
26 07:54 Calm 4.00 Fog/Mist CLR 79 77 94% 83 29.93 1013.0
26 06:54 Calm 4.00 Fog/Mist SCT043 77 75.9 77 75 96% 78 29.93 1012.8
26 05:54 NE 3 0.75 Fog/Mist FEW049 75.9 75 97% 75 29.92 1012.6
26 04:54 Calm 5.00 Fog/Mist CLR 75.9 75 97% 75 29.91 1012.3
26 03:54 E 3 3.00 Fog/Mist CLR 75.9 75 97% 75 29.91 1012.1
26 02:54 E 6 4.00 Fog/Mist CLR 75.9 75 97% 75 29.91 1012.2
26 01:54 E 7 5.00 Fog/Mist FEW040 77 75 94% 78 29.92 1012.7
26 00:54 E 6 5.00 Fog/Mist CLR 77 75.9 87.1 77 96% 78 29.93 1013.0
25 23:54 E 6 5.00 Fog/Mist CLR 78.1 75.9 93% 81 29.93 1013.0
25 22:54 NE 3 6.00 Fog/Mist CLR 78.1 77 97% 81 29.93 1013.0
25 21:54 E 6 6.00 Fog/Mist FEW044 80.1 77 90% 86 29.94 1013.3
25 20:54 E 6 10.00 A Few Clouds FEW043 FEW050 81 78.1 91% 89 29.92 1012.7
25 19:54 E 6 10.00 Mostly Cloudy FEW041 BKN049 84 78.1 82% 95 29.92 1012.6
25 18:54 E 5 10.00 A Few Clouds FEW043 87.1 78.1 90 80.1 75% 100 29.91 1012.5
25 17:54 SE 7 10.00 A Few Clouds FEW043 88 78.1 73% 102 29.92 1012.8
25 16:54 Calm 10.00 Fair CLR 90 75.9 63% 102 29.93 1012.9
25 15:54 NE 5 10.00 Fair CLR 89.1 77 68% 102 29.93 1013.1
25 14:54 W 6 10.00 A Few Clouds FEW025 87.1 75.9 70% 98 29.96 1014.0
25 13:54 W 5 10.00 A Few Clouds FEW016 84 75 74% 92 29.96 1014.1
25 11:54 Calm 10.00 Overcast OVC031 75.9 71.1 85% 76 30 1015.5
25 10:54 E 3 10.00 Overcast OVC027 73.9 70 88% 30.02 1016.2
25 09:54 SE 8 6.00 Fog/Mist BKN014 OVC029 71.1 69.1 94% 30.02 1016.2 0.03 0.03
25 08:54 E 5 10.00 Overcast FEW011 BKN016 OVC029 72 69.1 91% 30.02 1016.2
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)