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.
01 21:54 S 7 16.09 Overcast FEW037 OVC048 -2.8 -9.4 61% -5 76.68 1022.8
01 20:54 E 6 16.09 Overcast OVC041 -2.8 -7.8 69% 76.71 1023.2
01 19:54 SE 6 16.09 Overcast OVC042 -2.8 -8.3 66% 76.68 1023.0
01 18:54 S 11 16.09 Overcast SCT043 OVC050 -2.8 -8.9 63% -7 76.68 1023.1
01 17:54 S 15 16.09 Overcast BKN041 OVC070 -2.8 -9.4 -2.2 -8.3 61% -7 76.66 1022.5
01 16:54 S 13 16.09 Overcast BKN032 OVC050 -2.8 -10 58% -7 76.66 1022.6
01 15:54 S 19 16.09 Overcast BKN046 OVC050 -3.3 -10.6 57% -9 76.66 1022.6
01 14:54 SE 15 16.09 Overcast OVC055 -3.9 -10.6 60% -9 76.73 1023.6
01 13:54 S 9 16.09 Overcast OVC075 -4.4 -11.7 57% -8 76.84 1025.0
01 12:54 S 15 16.09 Overcast FEW050 BKN070 OVC085 -5.6 -12.8 57% -11 76.94 1026.5
01 11:54 Calm 16.09 Overcast OVC060 -8.3 -13.9 -8.3 -21.1 64% 77.06 1028.3
01 10:54 Calm 16.09 Partly Cloudy SCT110 -10 -15 67% 77.14 1029.3
01 09:54 E 9 16.09 A Few Clouds FEW120 -12.8 -16.1 77% -18 77.17 1029.5
01 08:54 Calm 16.09 Fair CLR -15.6 -17.8 83% 77.19 1030.0
01 07:54 Calm 16.09 Fair CLR -18.3 -20 87% 77.24 1030.7
01 06:54 Calm 16.09 Fair CLR -19.4 -21.7 82% 77.24 1030.6
01 05:54 NE 6 16.09 Fair CLR -20 -22.2 -13.9 -20.6 83% 77.29 1031.2
01 04:54 Calm 16.09 Fair CLR -18.9 -21.7 79% 77.32 1031.6
01 03:54 SW 6 16.09 Fair CLR -18.9 -21.7 79% 77.34 1031.9
01 02:54 W 6 16.09 Fair CLR -18.9 -21.7 79% 77.37 1032.2
01 01:54 SW 6 16.09 Fair CLR -17.8 -21.7 72% 77.39 1032.5
01 00:54 W 11 16.09 Fair CLR -16.1 -19.4 76% -22 77.44 1033.2
31 23:54 W 9 16.09 Fair CLR -14.4 -18.3 -9.4 -17.2 73% -20 77.42 1033.1
31 22:54 W 11 16.09 Fair CLR -16.7 -20 76% -23 77.44 1033.1
31 21:54 SW 9 16.09 Fair CLR -14.4 -18.3 73% -20 77.44 1033.2
31 20:54 W 13 16.09 Fair CLR -12.2 -17.2 67% -18 77.44 1033.4
31 19:54 W 11 16.09 Fair CLR -11.1 -16.7 64% -16 77.47 1033.7
31 18:54 W 19 16.09 Fair CLR -10 -16.1 61% -17 77.47 1033.8
31 17:54 W 13 16.09 Fair CLR -9.4 -15 -6.7 -9.4 64% -15 77.47 1033.5
31 16:54 NW 15 16.09 Fair CLR -7.8 -14.4 59% -13 77.44 1033.3
31 15:54 W 20 16.09 Fair CLR -6.7 -13.9 57% -13 77.44 1033.3
31 14:54 NW 22 16.09 Fair CLR -6.7 -14.4 55% -14 77.47 1033.5
31 13:54 W 24 16.09 Fair CLR -7.8 -14.4 59% -15 77.47 1033.6
31 12:54 W 24 16.09 Fair CLR -8.3 -15.6 56% -16 77.55 1034.5
31 11:54 NW 19 16.09 Fair CLR -9.4 -16.7 -9.4 -14.4 56% -16 77.6 1035.2
31 10:54 NW 17 16.09 Fair CLR -10.6 -17.8 56% -17 77.62 1035.5
31 09:54 NW 17 16.09 Fair CLR -12.2 -18.3 61% -19 77.65 1035.8
31 08:54 NW 20 16.09 Partly Cloudy SCT120 -13.3 -18.9 63% -21 77.65 1035.8
31 07:54 NW 24 16.09 Overcast FEW070 OVC120 -13.9 -18.9 66% -23 77.65 1035.8
31 06:54 NW 19 16.09 Mostly Cloudy BKN120 -14.4 -18.9 69% -22 77.6 1035.4
31 05:54 NW 17 16.09 Fair CLR -13.9 -19.4 -10.6 -13.9 63% -21 77.6 1035.4
31 04:54 NW 24 16.09 Fair CLR -13.3 -18.3 66% -22 77.57 1035.1
31 03:54 NW 22 16.09 Fair CLR -12.2 -16.7 69% -20 77.57 1034.9
31 02:54 NW 13 16.09 Fair CLR -12.2 -16.1 73% -18 77.55 1034.5
31 01:54 N 20 16.09 Overcast BKN033 OVC044 -11.7 -15 77% -19 77.55 1034.7
31 00:54 N 19 16.09 Fair CLR -11.7 -14.4 81% -19 77.52 1034.2
30 23:54 N 24 8.05 Overcast with Haze SCT029 OVC080 -10.6 -13.9 -8.9 -10.6 77% -19 77.52 1034.1
30 22:54 N 20 11.27 Overcast FEW060 OVC080 -10 -13.9 73% -17 77.52 1034.1
30 21:54 N 24 16.09 Overcast OVC070 -9.4 -13.9 70% -17 77.47 1033.6
30 20:54 N 19 G 33 16.09 Overcast FEW026 OVC070 -9.4 -13.9 70% -16 77.44 1033.3
30 19:54 N 17 G 31 16.09 Overcast OVC070 -8.9 -14.4 65% -15 77.42 1033.1
30 18:54 N 22 16.09 Overcast OVC040 -8.9 -16.1 56% -16 77.39 1032.5
30 17:54 N 11 16.09 Overcast OVC085 -9.4 -17.2 -7.2 -10.6 53% -14 77.32 1031.7
30 16:54 N 17 16.09 Mostly Cloudy BKN095 -8.9 -17.8 49% -15 77.27 1030.8
30 15:54 NE 24 16.09 Fair CLR -7.8 -16.7 49% -15 77.24 1030.6
30 14:54 N 17 16.09 Fair CLR -7.8 -17.8 45% -14 77.19 1029.9
30 13:54 SW 6 16.09 Fair CLR -7.2 -17.2 45% 77.19 1029.9
30 12:54 N 9 16.09 Fair CLR -8.3 -17.8 47% -12 77.24 1030.3
30 11:54 NE 11 16.09 Fair CLR -9.4 -18.3 -9.4 -17.2 49% -14 77.29 1031.0
30 10:54 NE 15 16.09 Fair CLR -10 -18.3 51% -16 77.32 1031.7
30 09:54 Calm 16.09 Fair CLR -12.8 -18.3 64% 77.32 1031.7
30 08:54 N 7 16.09 Fair CLR -12.2 -18.3 61% -16 77.29 1031.2
30 07:54 Calm 16.09 Fair CLR -15.6 -18.9 76% 77.24 1030.6
30 06:54 W 6 16.09 Fair CLR -15.6 -17.8 83% 77.19 1029.8
30 05:54 NW 6 16.09 Fair CLR -17.2 -18.3 -11.1 -17.2 91% 77.14 1029.1
30 04:54 Calm 16.09 Fair CLR -16.7 -18.9 83% 77.14 1029.0
30 03:54 N 6 16.09 Fair CLR -16.1 -17.2 91% 77.09 1028.6
30 02:54 N 6 16.09 Fair CLR -13.9 -17.2 76% 77.09 1028.6
30 01:54 N 9 16.09 Fair CLR -13.3 -17.2 73% -18 77.11 1028.8
30 00:54 NE 9 16.09 Fair CLR -13.9 -17.8 73% -19 77.11 1028.7
29 23:54 NE 7 16.09 A Few Clouds FEW048 -11.7 -16.7 -7.2 -12.2 67% -16 77.17 1029.2
29 22:54 NE 15 16.09 Overcast SCT041 OVC050 -10.6 -15.6 67% -17 77.14 1029.1
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)