Weather observations for the past three days for
St. Charles, St. Charles County Smartt Airport
Metric (Imperial)
Date Time (cdt) 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.
09 23:54 S 24 G 43 16.09 Fair CLR 21.1 7.8 42% 76.4 1018.2
09 22:54 S 26 16.09 Fair CLR 21.1 7.2 41% 76.35 1017.7
09 21:54 SE 19 16.09 Partly Cloudy SCT100 20 7.2 44% 76.38 1017.8
09 20:54 SE 17 16.09 Overcast OVC100 21.7 7.8 41% 76.38 1018.0
09 19:54 S 11 16.09 Overcast OVC100 22.2 6.1 35% 76.38 1018.1
09 18:54 S 20 16.09 Mostly Cloudy BKN100 25.6 6.1 28.3 25.6 29% 26 76.38 1018.0
09 17:54 S 26 16.09 A Few Clouds FEW100 26.7 4.4 24% 26 76.38 1018.0
09 16:54 S 24 16.09 Mostly Cloudy BKN100 27.8 5.6 24% 27 76.43 1018.5
09 15:54 SW 26 G 39 16.09 Partly Cloudy SCT095 27.2 4.4 23% 26 76.43 1018.6
09 14:54 SW 17 G 43 16.09 A Few Clouds FEW095 26.7 3.9 23% 26 76.48 1019.3
09 13:54 SW 26 G 39 16.09 Fair CLR 27.2 3.9 22% 26 76.53 1019.8
09 12:54 SW 24 G 39 16.09 Fair CLR 26.7 4.4 26.7 7.8 24% 26 76.58 1020.5
09 11:54 SW 31 G 43 16.09 Fair CLR 25.6 5 27% 26 76.63 1021.1
09 10:54 SW 35 16.09 Fair and Breezy CLR 24.4 4.4 27% 25 76.66 1021.6
09 09:54 SW 31 G 44 16.09 Fair CLR 22.8 4.4 30% 76.66 1021.6
09 08:54 SW 19 16.09 Fair CLR 19.4 6.1 42% 76.68 1022.0
09 07:54 Calm 16.09 Mostly Cloudy BKN090 11.7 8.3 80% 76.68 1022.1
09 06:54 Calm 16.09 Fair CLR 7.8 6.1 16.1 7.8 89% 76.63 1021.4
09 05:54 Calm 16.09 Fair CLR 8.3 5.6 83% 76.58 1020.8
09 04:54 Calm 16.09 Fair CLR 8.3 4.4 77% 76.56 1020.2
09 03:54 S 13 16.09 Fair CLR 13.3 5 57% 76.53 1019.8
09 02:54 S 9 16.09 Fair CLR 13.3 5 57% 76.48 1019.4
09 01:54 S 11 16.09 Fair CLR 13.9 5 55% 76.5 1019.6
09 00:54 S 13 16.09 Fair CLR 16.7 5 22.8 16.7 46% 76.48 1019.5
08 23:54 S 15 16.09 Fair CLR 17.8 5 43% 76.48 1019.2
08 22:54 S 20 16.09 Fair CLR 18.3 5 42% 76.43 1018.8
08 21:54 S 20 16.09 Fair CLR 19.4 5 39% 76.43 1018.5
08 20:54 S 20 16.09 Fair CLR 20 5 38% 76.38 1017.9
08 19:54 S 19 16.09 Fair CLR 20.6 4.4 35% 76.3 1017.2
08 18:54 S 20 16.09 Fair CLR 22.8 4.4 25.6 20.6 30% 76.28 1016.9
08 17:54 S 30 G 52 16.09 Fair CLR 25 2.8 24% 25 76.28 1016.7
08 16:54 S 33 G 48 16.09 Fair and Breezy CLR 25.6 3.3 24% 25 76.3 1016.9
08 14:54 S 33 G 46 16.09 Fair and Breezy CLR 25 5 28% 25 76.4 1018.3
08 13:54 S 26 G 43 16.09 Fair CLR 22.8 5.6 33% 76.45 1019.2
08 12:54 S 26 16.09 Fair CLR 20.6 5 21.1 3.9 36% 76.56 1020.4
08 11:54 S 22 16.09 Fair CLR 19.4 5 39% 76.63 1021.6
08 10:54 S 19 16.09 Fair CLR 17.2 3.9 41% 76.71 1022.7
08 09:54 SE 22 16.09 Fair CLR 14.4 2.8 46% 76.76 1023.2
08 08:54 SE 19 16.09 Fair CLR 11.7 1.7 51% 76.76 1023.5
08 07:54 E 9 16.09 Fair CLR 6.7 2.2 73% 5 76.78 1023.7
08 06:54 E 11 16.09 Fair CLR 3.9 0.6 6.1 3.3 79% 1 76.78 1023.7
08 05:54 E 15 16.09 Fair CLR 3.3 0 79% 0 76.76 1023.4
08 04:54 E 11 16.09 Fair CLR 3.3 0 79% 1 76.78 1023.6
08 03:54 E 15 16.09 Fair CLR 3.9 0 76% 1 76.78 1023.6
08 02:54 E 13 16.09 Fair CLR 4.4 0.6 77% 2 76.81 1023.9
08 01:54 E 9 16.09 Fair CLR 5.6 0.6 71% 4 76.84 1024.3
08 00:54 E 13 16.09 Fair CLR 5.6 1.1 11.7 5.6 73% 3 76.86 1024.7
07 23:54 E 17 16.09 Fair CLR 6.7 0.6 65% 4 76.89 1024.9
07 22:54 E 19 16.09 Fair CLR 7.2 0.6 63% 4 76.91 1025.3
07 21:54 E 17 16.09 Fair CLR 8.3 0.6 59% 6 76.94 1025.7
07 20:54 E 17 16.09 Fair CLR 8.9 1.7 61% 7 76.91 1025.5
07 19:54 E 15 16.09 Fair CLR 10.6 1.7 54% 76.91 1025.3
07 18:54 E 20 16.09 Fair CLR 11.7 0.6 13.3 9.4 47% 76.91 1025.5
07 17:54 E 24 16.09 Fair CLR 12.2 1.1 47% 76.91 1025.5
07 16:54 E 22 16.09 Fair CLR 12.8 1.1 45% 76.94 1025.9
07 15:54 E 19 16.09 Fair CLR 12.8 1.1 45% 76.99 1026.5
07 14:54 E 17 16.09 Fair CLR 12.8 1.7 47% 77.09 1027.8
07 13:54 E 19 16.09 Fair CLR 10.6 0 48% 77.17 1028.7
07 12:54 E 19 G 33 16.09 A Few Clouds FEW100 9.4 0 9.4 5 52% 7 77.24 1029.7
07 11:54 E 17 16.09 Mostly Cloudy BKN120 8.3 0.6 59% 6 77.29 1030.6
07 10:54 E 20 16.09 Partly Cloudy SCT100 6.7 0 63% 3 77.32 1030.9
07 09:54 NE 19 16.09 Mostly Cloudy BKN018 BKN090 BKN120 5.6 0.6 71% 2 77.34 1031.2
07 08:54 NE 24 16.09 A Few Clouds FEW018 FEW110 5 0.6 73% 1 77.29 1030.6
07 07:54 E 20 16.09 Overcast BKN085 OVC110 5 0.6 73% 1 77.29 1030.4
07 06:54 NE 19 16.09 Overcast BKN075 OVC090 5 0 10 5 70% 2 77.24 1029.9
07 05:54 N 22 16.09 Overcast OVC075 5.6 -0.6 65% 2 77.19 1029.0
07 04:54 NE 24 16.09 Overcast OVC075 6.7 -1.7 55% 3 77.14 1028.2
07 03:54 N 22 16.09 Overcast BKN049 OVC080 7.8 -1.1 54% 5 77.14 1028.3
07 02:54 N 20 16.09 Overcast OVC085 8.3 -1.7 50% 5 77.04 1026.9
07 01:54 N 30 16.09 Overcast OVC090 9.4 -2.2 44% 6 77.04 1027.0
07 00:54 N 22 16.09 Overcast OVC095 10 -1.1 13.9 9.4 46% 7 77.01 1026.5
Date Time (cdt) 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)