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.
05 14:54 SE 6 16.09 Fair CLR 2.2 -6.7 52% 75.95 1013.0
05 13:54 E 6 16.09 Fair CLR 0.6 -5.6 64% 76 1013.5
05 12:54 E 7 14.48 Overcast OVC065 0 -6.1 64% -2 76.1 1014.9
05 11:54 Calm 16.09 Mostly Cloudy BKN070 -1.1 -8.9 -1.1 -13.3 56% 76.17 1016.1
05 09:54 Calm 16.09 Overcast OVC075 -6.7 -11.1 71% 76.38 1019.0
05 08:54 E 9 14.48 Fair CLR -9.4 -12.8 77% -14 76.38 1019.1
05 07:54 E 11 16.09 Fair CLR -11.7 -14.4 81% -17 76.38 1018.8
05 06:54 E 6 16.09 Fair CLR -12.2 -15.6 76% 76.45 1020.1
05 05:54 Calm 16.09 Fair CLR -13.3 -16.1 -11.1 -13.3 80% 76.48 1020.3
05 04:54 E 6 16.09 Fair CLR -13.3 -16.7 76% 76.53 1020.8
05 03:54 E 7 16.09 Fair CLR -12.8 -16.1 77% -17 76.53 1021.0
05 02:54 Calm 16.09 Fair CLR -11.7 -14.4 81% 76.61 1021.9
05 01:54 Calm 16.09 Fair CLR -11.7 -14.4 81% 76.63 1022.4
05 00:54 SE 6 16.09 Fair CLR -12.2 -15 80% 76.66 1022.5
04 23:54 E 6 16.09 Fair CLR -11.7 -14.4 -7.8 -12.2 81% 76.71 1023.3
04 22:54 Calm 16.09 Fair CLR -11.1 -15.6 70% 76.81 1024.7
04 21:54 E 6 16.09 Fair CLR -11.1 -15.6 70% 76.84 1025.0
04 20:54 NE 6 16.09 Fair CLR -10 -15.6 64% 76.86 1025.2
04 19:54 N 7 16.09 Fair CLR -8.9 -15.6 59% -12 76.91 1026.1
04 18:54 NE 9 16.09 Fair CLR -7.8 -15.6 54% -12 76.94 1026.3
04 17:54 NE 9 16.09 Fair CLR -8.3 -15 -5.6 -8.3 59% -12 76.96 1026.5
04 16:54 NE 9 16.09 Fair CLR -7.8 -15 57% -12 77.04 1027.5
04 15:54 N 13 16.09 Fair CLR -6.7 -13.9 57% -12 77.04 1027.5
04 14:54 N 11 16.09 Fair CLR -6.1 -14.4 52% -10 77.04 1027.5
04 13:54 NE 9 16.09 Fair CLR -6.1 -14.4 52% -10 77.09 1028.2
04 12:54 NE 9 16.09 Fair CLR -6.1 -15 50% -10 77.14 1028.9
04 11:54 N 11 16.09 Fair CLR -6.7 -13.9 -6.7 -10 57% -11 77.19 1029.6
04 10:54 N 13 0.00 Fair CLR -7.2 -13.3 62% -12 77.29 1031.0
04 09:54 NE 13 0.00 Fair CLR -7.8 -13.3 65% -13 77.37 1031.8
04 08:54 N 11 0.00 Fair CLR -9.4 -13.9 70% -14 77.37 1031.8
04 07:54 N 7 0.00 Fair CLR -9.4 -13.3 74% -13 77.32 1031.5
04 06:54 N 19 0.00 Fair CLR -8.3 -12.8 70% -15 77.27 1030.7
04 05:54 N 19 0.00 Fair CLR -8.3 -12.2 -2.2 -8.3 74% -15 77.19 1029.6
04 04:54 NW 11 0.00 Fair CLR -7.8 -11.7 74% -12 77.17 1029.3
04 03:54 N 19 G 33 0.00 Fair CLR -6.7 -11.1 71% -13 77.14 1028.7
04 02:54 N 19 G 31 0.00 Fair CLR -6.1 -10.6 71% -12 77.06 1027.9
04 01:54 N 15 G 35 0.00 Fair CLR -5 -9.4 72% -10 77.04 1027.6
04 00:54 N 24 0.00 A Few Clouds FEW018 -3.9 -7.8 75% -10 76.99 1026.8
03 23:54 NW 24 14.48 Overcast OVC017 -2.2 -6.1 2.2 -2.2 75% -8 76.94 1026.2
03 22:54 N 24 9.66 Overcast with Haze OVC013 0 -2.8 82% -5 76.84 1024.9
03 21:54 N 22 12.87 Overcast OVC014 1.1 -1.1 85% -4 76.78 1023.9
03 20:54 N 11 16.09 Overcast BKN021 OVC028 1.7 -1.1 82% -1 76.73 1023.5
03 19:54 NW 6 16.09 Overcast OVC023 1.1 -1.1 85% 76.68 1022.6
03 18:54 NW 7 16.09 Overcast BKN070 OVC100 1.1 -0.6 89% -1 76.63 1022.1
03 17:54 Calm 16.09 Overcast OVC100 1.1 -1.1 2.2 0 85% 76.58 1021.5
03 16:54 Calm 16.09 Overcast BKN030 OVC065 1.7 -1.7 78% 76.5 1020.4
03 15:54 Calm 14.48 Overcast BKN048 OVC100 1.1 -1.1 85% 76.45 1019.7
03 14:54 NW 6 16.09 Overcast FEW060 SCT075 OVC095 1.7 -2.2 76% 76.4 1019.2
03 13:54 S 6 16.09 Overcast OVC080 1.7 -2.2 76% 76.38 1018.6
03 12:54 S 6 16.09 Mostly Cloudy BKN100 1.1 -2.8 76% 76.38 1018.5
03 11:54 SW 9 16.09 Fair CLR 0 -2.8 0 -11.1 82% -3 76.45 1019.7
03 10:54 S 11 14.48 Partly Cloudy SCT110 -2.2 -3.3 92% -6 76.45 1019.7
03 09:54 S 9 11.27 Overcast OVC110 -3.3 -3.9 96% -7 76.5 1020.5
03 08:54 E 7 6.44 Fog/Mist CLR -5.6 -6.7 92% -9 76.45 1019.9
03 07:54 E 9 1.21 Fog/Mist CLR -7.8 -8.3 96% -12 76.43 1019.4
03 06:54 E 9 1.61 Fog/Mist CLR -10 -11.1 92% -14 76.43 1019.4
03 05:54 E 11 0.40 Freezing Fog CLR -11.1 -12.2 -7.2 -11.7 92% -16 76.4 1019.2
03 04:54 E 11 0.40 Freezing Fog CLR -11.1 -12.2 92% -16 76.38 1018.8
03 03:54 E 7 0.80 Freezing Fog CLR -10.6 -11.7 92% -14 76.38 1018.9
03 02:54 E 13 9.66 Fog/Mist CLR -9.4 -10.6 91% -15 76.35 1018.5
03 01:54 E 9 4.02 Fog/Mist CLR -9.4 -10 95% -14 76.38 1018.9
03 00:54 NE 6 9.66 Fog/Mist CLR -8.3 -8.9 96% 76.4 1019.1
02 23:54 E 6 12.87 Fair CLR -8.3 -10 -3.9 -10 88% 76.38 1018.9
02 22:54 SE 6 12.87 Fair CLR -7.8 -8.9 92% 76.43 1019.5
02 21:54 SE 11 16.09 Fair CLR -6.7 -8.9 85% -11 76.38 1018.7
02 20:54 SE 11 16.09 Fair CLR -6.1 -8.3 85% -10 76.43 1019.6
02 19:54 S 17 16.09 Overcast OVC016 -3.9 -6.7 81% -9 76.45 1019.9
02 18:54 S 7 16.09 Overcast OVC016 -5 -7.8 81% -8 76.4 1019.0
02 17:54 S 11 16.09 Overcast OVC017 -4.4 -7.2 -3.3 -4.4 81% -8 76.38 1018.9
02 16:54 S 9 16.09 Overcast OVC018 -3.9 -7.2 78% -7 76.4 1019.2
02 15:54 SW 11 16.09 Overcast OVC016 -3.3 -7.2 75% -7 76.43 1019.5
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)