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.
09 05:54 S 7 16.09 Fair CLR 0.6 -3.3 0.6 -1.1 75% -1 76.15 1015.6
09 04:54 S 9 16.09 Fair CLR 0 -3.3 79% -3 76.17 1015.9
09 03:54 S 7 16.09 Fair CLR 0 -3.9 75% -2 76.25 1016.7
09 02:54 Calm 16.09 Partly Cloudy SCT100 -1.1 -3.9 82% 76.3 1017.6
09 01:54 SE 13 16.09 Overcast OVC110 -0.6 -3.9 79% -4 76.33 1017.8
09 00:54 SE 9 16.09 Overcast OVC100 0 -4.4 73% -3 76.38 1018.6
08 23:54 SE 7 16.09 A Few Clouds FEW100 -0.6 -4.4 -0.6 -3.9 76% -3 76.48 1020.2
08 22:54 SE 11 16.09 Overcast OVC110 -1.1 -5 75% -5 76.56 1021.2
08 21:54 SE 9 16.09 Fair CLR -1.1 -5 75% -4 76.63 1022.1
08 20:54 SE 11 16.09 A Few Clouds FEW120 -1.7 -5 78% -5 76.68 1022.6
08 19:54 E 9 16.09 Fair CLR -3.9 -5.6 88% -7 76.71 1023.3
08 18:54 E 13 16.09 Fair CLR -2.2 -5 81% -6 76.76 1023.8
08 16:54 E 9 16.09 Fair CLR -2.2 -5.6 78% -5 76.86 1024.9
08 15:54 E 6 16.09 Fair CLR -1.1 -6.1 69% 76.89 1025.5
08 14:54 Calm 16.09 Fair CLR -1.1 -6.7 66% 76.89 1025.4
08 13:54 SE 6 16.09 Fair CLR -1.1 -6.7 66% 76.91 1025.8
08 12:54 Calm 16.09 Fair CLR -1.7 -6.7 69% 76.99 1026.7
08 11:54 Calm 16.09 Fair CLR -2.2 -8.3 -2.2 -5.6 63% 77.04 1027.5
08 10:54 Calm 16.09 Fair CLR -3.3 -8.3 69% 77.11 1028.3
08 09:54 NE 6 16.09 Overcast OVC070 -4.4 -8.9 71% 77.11 1028.5
08 08:54 N 6 16.09 Overcast FEW024 OVC075 -5 -8.9 74% 77.09 1028.2
08 07:54 Calm 16.09 Overcast OVC024 -5.6 -8.9 78% 77.09 1028.3
08 06:54 N 11 16.09 Overcast OVC023 -5.6 -9.4 75% -10 77.09 1028.2
08 05:54 N 13 16.09 Overcast OVC024 -5 -8.9 -3.9 -5 74% -10 77.09 1028.1
08 04:54 NW 6 16.09 Overcast OVC026 -5 -8.9 74% 77.06 1027.9
08 03:54 N 9 16.09 Overcast OVC026 -4.4 -8.3 75% -8 77.04 1027.5
08 02:54 N 11 16.09 Overcast OVC026 -4.4 -8.3 75% -8 77.01 1027.2
08 01:54 N 11 16.09 Overcast FEW016 OVC027 -4.4 -7.8 77% -8 77.04 1027.3
08 00:54 N 11 14.48 Overcast OVC028 -3.9 -7.2 78% -8 76.99 1026.6
07 23:54 Vrbl 9 14.48 Overcast OVC030 -3.9 -6.7 0 -3.9 81% -7 76.99 1026.8
07 22:54 N 28 16.09 Overcast OVC031 -3.3 -6.7 78% -10 76.99 1026.8
07 21:54 N 24 16.09 Overcast FEW015 OVC031 -2.8 -6.1 78% -9 76.99 1026.6
07 20:54 N 28 G 41 16.09 Overcast BKN016 OVC032 -2.2 -5.6 78% -9 76.94 1026.0
07 19:54 N 20 16.09 Overcast BKN018 OVC023 -0.6 -3.9 79% -6 76.91 1025.8
07 18:54 N 22 G 33 16.09 Overcast FEW020 OVC029 0 -3.3 79% -5 76.86 1025.0
07 17:54 N 17 16.09 Overcast BKN019 OVC030 0 -3.3 2.2 0 79% -4 76.78 1024.1
07 16:54 N 20 16.09 Overcast OVC018 0.6 -2.8 78% -4 76.76 1023.7
07 15:54 N 24 12.87 Overcast OVC015 0.6 -2.8 78% -5 76.68 1022.7
07 14:54 N 15 12.87 Overcast OVC016 1.1 -2.2 79% -3 76.61 1021.6
07 13:54 N 26 G 37 9.66 Overcast with Haze OVC010 1.1 -1.7 82% -4 76.56 1020.8
07 12:54 N 19 6.44 Fog/Mist OVC008 0.6 -1.1 89% -4 76.5 1020.1
07 11:54 NW 20 G 39 9.66 Overcast with Haze OVC014 2.2 -0.6 3.9 1.1 82% -2 76.43 1019.1
07 10:54 N 20 11.27 Overcast BKN017 OVC022 3.3 0 79% -1 76.4 1018.9
07 09:54 NW 17 12.87 Overcast OVC021 3.9 0.6 79% 0 76.35 1018.0
07 08:54 W 6 6.44 Fog/Mist BKN019 OVC028 2.2 1.1 93% 76.25 1016.8
07 07:54 Calm 4.83 Fog/Mist OVC020 1.7 0.6 93% 76.17 1015.6
07 06:54 NE 6 6.44 Fog/Mist OVC019 1.1 0 92% 76.07 1014.6
07 05:54 E 7 8.05 Fog/Mist OVC026 1.1 0 2.8 0 92% -1 76.02 1013.9
07 04:54 Calm 8.05 Fog/Mist BKN036 0.6 -0.6 92% 76 1013.4
07 03:54 SE 9 9.66 Fog/Mist CLR 0.6 -0.6 92% -2 76 1013.3
07 02:54 SE 11 9.66 Fog/Mist FEW100 1.7 0 89% -1 76 1013.5
07 01:54 SE 17 9.66 Fog/Mist SCT120 1.7 0 89% -2 75.97 1012.9
07 00:54 SE 19 9.66 Fog/Mist OVC110 2.2 0 86% -2 75.97 1013.1
06 23:54 SE 17 14.48 Overcast BKN090 OVC110 2.8 0 3.3 0 82% -1 75.97 1012.9
06 22:54 SE 11 16.09 Overcast OVC100 2.2 0 86% -1 75.97 1012.9
06 21:54 E 17 16.09 Overcast OVC110 2.2 0 86% -2 75.92 1012.3
06 20:54 E 15 16.09 Mostly Cloudy BKN110 2.2 0 86% -1 75.92 1012.4
06 19:54 E 17 14.48 Overcast OVC110 2.2 0 86% -2 75.95 1012.7
06 18:54 E 19 16.09 Fair CLR 2.2 -0.6 82% -2 75.95 1012.7
06 17:54 E 15 14.48 Fair CLR 1.7 -1.1 5 0.6 82% -2 75.92 1012.5
06 16:54 E 13 14.48 Fair CLR 1.7 -1.1 82% -2 75.92 1012.3
06 15:54 E 15 12.87 Fair CLR 2.8 -0.6 79% -1 75.9 1012.1
06 13:54 E 11 14.48 Fair CLR 3.9 -0.6 73% 1 75.97 1013.1
06 12:54 E 6 16.09 Fair CLR 3.9 -0.6 73% 76.02 1013.7
06 11:54 Calm 14.48 Fair CLR 4.4 -0.6 4.4 -3.3 70% 76.1 1014.9
06 10:54 S 6 12.87 Fair CLR 2.2 -0.6 82% 76.15 1015.5
06 09:54 Calm 11.27 Fair CLR 1.1 -1.7 82% 76.17 1015.9
06 08:54 Calm 4.83 Fog/Mist CLR -1.1 -2.2 92% 76.15 1015.6
06 07:54 Calm 6.44 Fog/Mist FEW050 -2.2 -2.8 96% 76.15 1015.5
06 06:54 SW 7 14.48 Mostly Cloudy BKN029 -0.6 -2.2 89% -3 76.1 1014.8
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)