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.
10 02:54 E 5 10.00 Mostly Cloudy FEW015 BKN032 75 70 84% 75 29.84 1009.9
10 01:54 Calm 10.00 Mostly Cloudy SCT037 BKN090 75 70 84% 75 29.85 1010.4
10 00:54 Calm 10.00 Overcast BKN080 OVC110 75.9 70 80.1 75 82% 77 29.85 1010.2
09 23:54 E 6 10.00 Overcast SCT040 OVC080 75.9 70 82% 77 29.85 1010.2
09 22:54 NE 5 10.00 Overcast OVC090 75 72 90% 74 29.85 1010.4
09 21:54 Calm 10.00 Overcast OVC095 75 71.1 88% 75 29.87 1010.8
09 20:54 Calm 10.00 Mostly Cloudy BKN090 BKN120 75.9 71.1 85% 76 29.84 1010.0
09 19:54 Calm 10.00 Mostly Cloudy BKN110 79 70 74% 82 29.86 1010.8
09 18:54 W 3 10.00 Mostly Cloudy BKN110 80.1 69.1 84 77 69% 83 29.87 1010.8
09 17:54 SW 10 10.00 Mostly Cloudy BKN120 80.1 69.1 69% 83 29.87 1011.0
09 16:54 S 8 10.00 Overcast FEW060 OVC110 79 69.1 72% 82 29.87 1011.1
09 15:54 SW 14 10.00 Overcast FEW055 BKN100 OVC110 80.1 69.1 69% 83 29.9 1011.9
09 14:54 SW 13 10.00 Partly Cloudy SCT120 82 70 67% 86 29.92 1012.7
09 13:54 SW 8 10.00 Partly Cloudy SCT110 82.9 70 65% 87 29.91 1012.3
09 12:54 SE 6 10.00 Mostly Cloudy BKN100 BKN120 82.9 71.1 86 73.9 67% 88 29.89 1011.6
09 11:54 W 6 10.00 A Few Clouds FEW060 84 69.1 61% 88 29.91 1012.4
09 10:54 W 10 10.00 Mostly Cloudy BKN055 BKN070 84.9 72 65% 91 29.93 1012.9
09 09:54 SW 8 10.00 A Few Clouds FEW065 84.9 73 68% 92 29.93 1012.8
09 08:54 SW 6 10.00 Fair CLR 81 73 77% 86 29.92 1012.7
09 07:54 Vrbl 3 10.00 Fair CLR 78.1 73.9 87% 81 29.91 1012.1
09 06:54 Calm 4.00 Fog/Mist CLR 73.9 73 73.9 71.1 97% 29.91 1012.2
09 05:54 Calm 1.25 Fog/Mist CLR 72 71.1 97% 29.91 1012.4
09 04:54 E 3 6.00 Fog/Mist FEW060 72 70 94% 29.92 1012.4
09 03:54 E 3 6.00 Fog/Mist SCT060 72 70 94% 29.91 1012.5
09 02:54 E 5 7.00 Fair CLR 72 69.1 91% 29.92 1012.7
09 01:54 Calm 10.00 Fair CLR 72 70 94% 29.96 1013.8
09 00:54 Calm 9.00 Fair CLR 73 71.1 88 73 94% 29.96 1013.8
08 23:54 Calm 10.00 Fair CLR 75 71.1 88% 75 29.95 1013.7
08 22:54 Calm 9.00 Fair CLR 75 71.1 88% 75 29.94 1013.5
08 21:54 Calm 10.00 Fair CLR 77 72 85% 78 29.94 1013.2
08 20:54 SE 7 10.00 Fair CLR 80.1 73 79% 84 29.91 1012.1
08 19:54 SE 5 10.00 Fair CLR 84.9 72 65% 91 29.92 1012.5
08 18:54 SW 5 10.00 Fair CLR 88 70 90 86 55% 93 29.93 1012.9
08 17:54 Vrbl 5 10.00 Fair CLR 88 71.1 57% 94 29.95 1013.7
08 16:54 Calm 10.00 A Few Clouds FEW042 89.1 71.1 55% 95 29.97 1014.1
08 15:54 SE 8 10.00 Mostly Cloudy FEW044 BKN055 88 71.1 57% 94 29.97 1014.2
08 14:54 Calm 10.00 Mostly Cloudy FEW047 SCT060 BKN070 90 69.1 50% 95 29.98 1014.5
08 13:54 N 5 10.00 Mostly Cloudy SCT041 SCT049 BKN075 88 69.1 54% 92 30 1015.2
08 12:54 Calm 10.00 Mostly Cloudy BKN039 BKN055 88 70 88 73 55% 93 30.02 1015.8
08 11:54 W 6 10.00 Partly Cloudy FEW032 SCT044 84.9 71.1 63% 90 30.04 1016.8
08 10:54 NW 3 10.00 A Few Clouds FEW039 84.9 71.1 63% 90 30.04 1016.7
08 09:54 Calm 10.00 Fair CLR 82.9 71.1 67% 88 30.05 1017.1
08 08:54 Calm 10.00 Fair CLR 81 73 77% 86 30.06 1017.4
08 07:54 Calm 10.00 Fair CLR 77 73 88% 78 30.06 1017.3
08 06:54 Calm 8.00 Fair CLR 73 71.1 75 71.1 94% 30.05 1017.2
08 05:54 Calm 9.00 Fair CLR 72 70 94% 30.04 1016.8
08 04:54 Calm 10.00 Partly Cloudy SCT047 SCT055 73 71.1 94% 30.03 1016.4
08 03:54 N 3 10.00 Overcast OVC041 73 71.1 94% 30.03 1016.3
08 02:54 Calm 10.00 Fair CLR 73 70 90% 30.02 1016.0
08 01:54 Calm 10.00 Fair CLR 73 71.1 94% 30.02 1016.2
08 00:54 Calm 10.00 Fair CLR 73.9 71.1 86 73 91% 30.03 1016.3
07 23:54 E 3 10.00 Fair CLR 75 72 90% 74 30.03 1016.5
07 22:54 NE 3 10.00 Overcast FEW045 BKN060 OVC090 78.1 71.1 79% 80 30.04 1016.8
07 21:54 N 6 10.00 Fair CLR 77 71.1 82% 79 30.05 1017.0
07 19:54 N 3 10.00 Fair CLR 82.9 70 65% 87 30.03 1016.4
07 18:54 NW 6 10.00 Fair CLR 84.9 68 89.1 82 57% 88 30.03 1016.3
07 17:54 N 7 10.00 A Few Clouds FEW041 88 69.1 54% 92 30.03 1016.2
07 16:54 N 9 10.00 Fair CLR 87.1 68 53% 91 30.03 1016.4
07 15:54 Calm 10.00 Fair CLR 87.1 66.9 51% 90 30.04 1016.7
07 14:54 Calm 10.00 Fair CLR 87.1 66.9 51% 90 30.05 1017.0
07 13:54 Vrbl 7 10.00 Fair CLR 84.9 66.9 55% 88 30.07 1017.6
07 12:54 NE 7 10.00 A Few Clouds FEW032 82 68 84.9 73 63% 85 30.08 1018.0
07 11:54 N 8 10.00 Fair CLR 82.9 66 57% 85 30.09 1018.3
07 10:54 N 10 10.00 Fair CLR 82.9 66 57% 85 30.08 1018.0
07 09:54 N 9 10.00 A Few Clouds FEW025 82 69.1 65% 85 30.08 1018.2
07 07:54 N 5 10.00 Fair CLR 75 69.1 82% 75 30.09 1018.5
07 06:54 N 6 10.00 Fair CLR 73 69.1 73.9 71.1 87% 30.08 1018.0
07 05:54 Vrbl 3 10.00 Fair CLR 72 68 87% 30.05 1017.2
07 04:54 N 5 10.00 Overcast BKN090 OVC110 73 69.1 87% 30.05 1017.0
07 03:54 N 8 10.00 Overcast SCT041 BKN055 OVC085 73.9 69.1 85% 30.05 1017.0
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)