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.
12 01:54 NE 10 10.00 Fair CLR 73 70 90% 30.06 1017.5
12 00:54 N 8 10.00 Fair CLR 73.9 70 81 73 88% 30.07 1017.7
11 23:54 N 6 10.00 Fair CLR 73 70 90% 30.06 1017.6
11 22:54 N 7 10.00 Fair CLR 73 70 90% 30.06 1017.3
11 21:54 N 5 10.00 Fair CLR 75 70 84% 75 30.05 1016.9
11 20:54 N 7 10.00 Fair CLR 75 70 84% 75 30.03 1016.3
11 19:54 N 8 10.00 Fair CLR 79 70 74% 82 30.01 1015.6
11 18:54 N 13 10.00 Fair CLR 81 71.1 82.9 77 72% 85 30 1015.3 0.02
11 17:54 N 13 10.00 Fair CLR 81 71.1 72% 85 29.98 1014.8
11 16:54 N 13 10.00 Mostly Cloudy SCT026 BKN050 BKN100 78.1 72 82% 80 29.97 1014.5 0.02
11 15:54 N 17 G 23 10.00 A Few Clouds FEW020 FEW100 82.9 72 70% 88 29.97 1014.4
11 14:54 N 9 10.00 Overcast FEW021 BKN037 OVC045 79 72 79% 82 29.97 1014.4
11 13:54 N 8 10.00 Mostly Cloudy SCT016 BKN024 79 71.1 77% 82 29.98 1014.7
11 12:54 N 10 10.00 Overcast FEW017 FEW026 OVC038 79 71.1 80.1 72 77% 82 29.99 1015.2 0.05
11 11:54 NW 8 10.00 Overcast BKN013 BKN020 OVC028 75.9 72 88% 76 29.99 1015.1
11 10:54 W 6 10.00 Overcast SCT011 BKN017 OVC041 75.9 70 82% 77 29.98 1014.9
11 09:54 W 6 10.00 Overcast FEW009 BKN018 OVC031 73.9 71.1 91% 29.98 1014.6 0.05
11 08:54 S 6 10.00 Overcast SCT008 BKN014 OVC032 75 71.1 88% 75 29.96 1014.1
11 07:54 Calm 10.00 Overcast OVC014 72 70 94% 29.98 1014.8 0.05
11 06:54 Calm 10.00 Overcast OVC018 71.1 69.1 73 70 94% 29.96 1013.9 0.37
11 05:54 Calm 10.00 Overcast BKN021 OVC060 70 68 93% 29.93 1012.9
11 04:54 S 7 10.00 Mostly Cloudy FEW075 BKN110 70 66.9 90% 29.92 1012.5 0.16
11 03:54 Calm 1.75 Thunderstorm in Vicinity Heavy Rain Fog/Mist BKN015 BKN033 OVC095 72 71.1 97% 29.96 1013.9 0.2 0.21
11 02:54 E 3 9.00 Mostly Cloudy FEW070 BKN100 71.1 71.1 100% 29.9 1012.1
11 01:54 Calm 9.00 A Few Clouds FEW100 71.1 70 96% 29.9 1012.1 0.01
11 00:54 Calm 10.00 A Few Clouds FEW043 FEW050 FEW120 72 71.1 86 71.1 97% 29.92 1012.7 0.04 0.43
10 23:54 Calm 4.00 Thunderstorm in Vicinity Light Rain Fog/Mist FEW041 BKN090 BKN110 71.1 70 96% 29.91 1012.3 0.03
10 22:54 Calm 10.00 Fair CLR 72 70 94% 29.91 1012.4
10 21:54 E 6 10.00 Fair CLR 73 70 90% 29.92 1012.7 0.36
10 20:54 N 12 5.00 Thunderstorm Light Rain Fog/Mist SCT023 BKN041 BKN085 72 70 94% 29.9 1012.0 0.36
10 19:54 NE 3 10.00 Thunderstorm in Vicinity BKN048 BKN060 82.9 73.9 74% 89 29.87 1010.8
10 18:54 Calm 10.00 Mostly Cloudy BKN060 86 71.1 89.1 84.9 61% 92 29.87 1011.1
10 17:54 S 3 10.00 Fair CLR 86 71.1 61% 92 29.87 1010.8
10 16:54 W 5 10.00 Fair CLR 86 73.9 67% 94 29.9 1012.0
10 14:54 SW 8 10.00 Fair CLR 86 73.9 67% 94 29.88 1011.2
10 13:54 SW 12 10.00 A Few Clouds FEW028 86 73.9 67% 94 29.88 1011.1
10 12:54 S 10 10.00 A Few Clouds FEW026 84.9 75 86 73.9 72% 93 29.89 1011.5
10 11:54 E 12 10.00 Fair CLR 84 73.9 72% 91 29.83 1009.7
10 10:54 Vrbl 3 10.00 Fair CLR 82 73 74% 87 29.9 1011.9
10 09:54 W 7 10.00 A Few Clouds FEW012 80.1 73 79% 84 29.92 1012.6
10 08:54 W 3 10.00 Overcast OVC009 77 72 85% 78 29.91 1012.3
10 07:54 S 5 10.00 Overcast OVC010 75 71.1 88% 75 29.89 1011.5
10 06:54 SE 3 10.00 Overcast OVC007 73.9 71.1 75.9 70 91% 29.88 1011.2
10 05:54 SE 3 10.00 Mostly Cloudy BKN009 71.1 69.1 94% 29.89 1011.5
10 04:54 E 5 10.00 Fair CLR 72 69.1 91% 29.86 1010.6
10 03:54 S 5 10.00 Fair CLR 73 70 90% 29.87 1010.9
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
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)