Weather observations for the past three days for
St. Charles, St. Charles County Smartt Airport
Metric (Imperial)
Date Time (cst) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
08 11:54 W 11 16.09 Fair CLR 15.6 6.7 15.6 -0.6 56% 76.48 1019.6
08 10:54 SW 15 16.09 Fair CLR 12.8 6.1 64% 76.58 1021.0
08 09:54 W 19 16.09 Fair CLR 10.6 5 69% 76.61 1021.2
08 08:54 W 11 16.09 Fair CLR 7.2 3.9 80% 5 76.63 1021.8
08 07:54 SW 7 16.09 Fair CLR 3.9 2.8 93% 2 76.63 1021.7
08 06:54 SW 11 16.09 Fair CLR 1.1 0.6 97% -2 76.58 1021.2
08 05:54 NW 7 16.09 Fair CLR 0 -0.6 1.7 -1.7 96% -2 76.58 1021.3
08 04:54 S 6 1.21 Fog/Mist VV002 -1.1 -1.7 96% 76.63 1021.8
08 03:54 Calm 2.01 Fog/Mist CLR -1.1 -1.1 100% 76.63 1021.7
08 02:54 Calm 1.61 Fog/Mist CLR 0 0 100% 76.61 1021.5
08 01:54 Calm 4.02 Fog/Mist FEW002 0 0 100% 76.63 1021.8
08 00:54 Calm 12.87 A Few Clouds FEW001 0.6 0.6 100% 76.68 1022.3
07 23:54 Calm 0.40 Fog VV001 1.1 1.1 7.2 0 100% 76.71 1022.7
07 22:54 Calm 0.80 Fog VV002 1.1 0.6 97% 76.71 1022.8
07 21:54 Calm 0.80 Fog CLR 2.2 2.2 100% 76.68 1022.6
07 20:54 Calm 16.09 Fair CLR 3.3 2.8 97% 76.73 1023.2
07 19:54 Calm 16.09 Fair CLR 3.9 1.7 86% 76.71 1022.8
07 18:54 Calm 16.09 Fair CLR 5.6 3.9 89% 76.68 1022.7
07 17:54 Calm 16.09 Fair CLR 7.2 1.7 11.7 6.7 68% 76.68 1022.5
07 16:54 S 6 16.09 Fair CLR 9.4 1.7 59% 76.66 1022.3
07 15:54 S 7 16.09 Fair CLR 11.7 1.7 51% 76.66 1022.2
07 14:54 SW 9 14.48 Fair CLR 11.7 1.7 51% 76.68 1022.3
07 13:54 Calm 16.09 Fair CLR 11.1 1.1 50% 76.71 1022.8
07 12:54 SW 11 16.09 Fair CLR 10 1.1 54% 9 76.76 1023.4
07 11:54 W 13 16.09 Fair CLR 9.4 0.6 9.4 1.7 55% 8 76.84 1024.4
07 10:54 Vrbl 7 16.09 Fair CLR 7.2 2.8 74% 6 76.91 1025.5
07 09:54 Calm 16.09 Mostly Cloudy BKN002 4.4 4.4 100% 76.91 1025.4
07 08:54 Calm 0.40 Fog VV002 2.2 2.2 100% 76.91 1025.6
07 07:54 SW 6 0.24 Fog VV002 1.7 1.7 100% 76.89 1025.1
07 06:54 SW 7 0.24 Fog VV002 1.7 1.7 100% -0 76.86 1024.7
07 05:54 SW 6 0.40 Fog VV002 1.7 1.7 3.9 -0.6 100% 76.81 1024.2
07 04:54 Calm 1.21 Fog/Mist OVC002 -0.6 -0.6 100% 76.78 1023.8
07 03:54 Calm 14.48 Fair CLR 0 0 100% 76.76 1023.5
07 02:54 W 6 12.87 Partly Cloudy SCT002 1.1 0 92% 76.78 1023.6
07 01:54 SW 6 16.09 Fair CLR 1.1 0.6 97% 76.76 1023.6
07 00:54 Calm 16.09 Fair CLR 2.8 1.7 93% 76.76 1023.3
06 23:54 NW 6 16.09 Fair CLR 4.4 2.8 8.9 3.9 89% 76.76 1023.4
06 22:54 N 6 16.09 Fair CLR 4.4 2.8 89% 76.78 1023.9
06 21:54 Calm 16.09 Fair CLR 6.7 1.1 68% 76.84 1024.4
06 20:54 N 7 16.09 Overcast OVC034 7.8 1.7 66% 7 76.86 1024.7
06 19:54 N 9 16.09 Overcast OVC034 7.8 1.7 66% 6 76.84 1024.4
06 18:54 N 13 16.09 Overcast OVC031 8.3 2.2 66% 6 76.81 1024.2
06 17:54 N 9 16.09 Overcast OVC031 8.9 2.2 11.7 8.9 63% 8 76.78 1023.5
06 16:54 NW 13 16.09 Overcast OVC032 9.4 2.2 61% 8 76.71 1022.8
06 15:54 N 13 16.09 Overcast OVC033 10 3.3 63% 8 76.68 1022.2
06 14:54 N 13 16.09 Overcast OVC034 10 4.4 68% 8 76.66 1021.9
06 13:54 N 17 16.09 Overcast OVC036 10.6 5 69% 76.63 1021.6
06 12:54 N 20 16.09 Overcast FEW017 OVC038 10 5.6 74% 8 76.68 1022.1
06 11:54 N 15 16.09 Overcast FEW017 OVC035 11.1 6.1 11.1 8.9 72% 76.68 1022.3
06 10:54 N 13 16.09 Overcast FEW014 SCT018 OVC033 10 6.1 77% 8 76.71 1022.7
06 09:54 N 20 16.09 Overcast SCT018 BKN023 OVC030 10 6.1 77% 8 76.68 1022.2
06 08:54 N 15 16.09 Overcast FEW017 BKN022 OVC032 10 6.7 80% 8 76.66 1021.9
06 07:54 N 11 16.09 Mostly Cloudy SCT012 SCT024 BKN035 9.4 7.2 86% 8 76.61 1021.3
06 06:54 N 17 16.09 Overcast BKN013 OVC021 9.4 7.8 90% 7 76.56 1020.6
06 05:54 N 17 16.09 Mostly Cloudy SCT020 BKN040 9.4 7.2 11.7 9.4 86% 7 76.48 1019.6
06 04:54 NW 9 16.09 Overcast FEW018 FEW026 OVC037 9.4 8.3 93% 8 76.45 1019.1
06 03:54 N 11 16.09 Mostly Cloudy FEW020 BKN037 9.4 8.3 93% 8 76.4 1018.5
06 02:54 N 19 14.48 Overcast OVC022 10 8.3 89% 8 76.4 1018.4
06 01:54 N 19 16.09 Overcast FEW013 OVC023 11.1 8.3 83% 76.38 1018.2
06 00:54 NW 22 16.09 Overcast OVC020 11.7 8.3 80% 76.33 1017.4
05 23:54 NW 17 16.09 Overcast BKN018 OVC024 11.7 9.4 12.2 11.7 86% 76.28 1016.9
05 22:54 NW 15 14.48 Overcast FEW014 BKN020 OVC025 11.7 10 89% 76.28 1016.6
05 21:54 W 15 16.09 Overcast SCT016 BKN023 OVC028 12.2 10 87% 76.23 1016.1
05 20:54 W 19 16.09 Overcast OVC016 12.2 9.4 83% 76.17 1015.6
05 19:54 W 15 16.09 Overcast OVC016 12.2 8.9 80% 76.12 1014.8
05 18:54 W 17 16.09 Overcast OVC021 12.2 8.3 77% 76.12 1014.8
05 17:54 W 17 16.09 Overcast BKN029 OVC034 12.8 7.8 16.1 12.8 72% 76.1 1014.5
05 16:54 W 19 16.09 Overcast BKN032 BKN042 OVC055 13.3 7.8 70% 76.02 1013.5
05 15:54 W 22 16.09 Overcast OVC032 13.3 7.2 67% 76 1013.0
05 14:54 W 31 G 41 16.09 Overcast OVC031 13.9 7.2 64% 75.92 1012.1
05 13:54 W 26 16.09 Overcast OVC035 14.4 7.8 65% 75.87 1011.4
05 12:54 W 24 G 39 16.09 Mostly Cloudy BKN038 BKN050 15.6 6.7 56% 75.84 1010.9
Date Time (cst) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)