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.
10 16:54 SW 19 16.09 Fair CLR 6.7 -6.1 40% 4 76.45 1019.3
10 15:54 W 24 16.09 Fair CLR 7.8 -6.1 37% 5 76.45 1019.5
10 14:54 W 28 G 46 16.09 Fair CLR 7.8 -5 40% 4 76.48 1019.8
10 13:54 W 22 G 39 16.09 Fair CLR 7.2 -2.8 49% 4 76.5 1020.0
10 12:54 W 30 16.09 A Few Clouds FEW032 6.7 -1.1 58% 3 76.53 1020.2
10 11:54 NW 22 G 37 16.09 Overcast BKN027 OVC033 5.6 -0.6 5.6 2.8 65% 2 76.56 1020.8 0.05
10 10:54 NW 28 G 43 16.09 Mostly Cloudy BKN022 BKN029 3.9 0 76% -1 76.58 1021.1
10 09:54 NW 17 16.09 Overcast FEW016 SCT035 OVC060 3.3 0.6 83% -0 76.53 1020.5
10 08:54 NW 22 16.09 Overcast BKN014 OVC036 2.8 1.1 89% -2 76.45 1019.6 0.05
10 07:54 NW 24 16.09 Overcast BKN011 BKN016 OVC033 2.8 1.1 89% -2 76.38 1018.3 0.05
10 06:54 NW 17 16.09 Overcast BKN008 OVC021 5 3.3 89% 2 76.3 1017.5
10 05:54 NW 11 14.48 Overcast BKN028 OVC038 3.9 3.3 3.9 1.1 96% 1 76.3 1017.2
10 04:54 NW 6 6.44 Fog/Mist FEW090 FEW120 2.2 1.7 97% 76.25 1016.6
10 03:54 Calm 12.87 Overcast OVC100 2.2 1.7 97% 76.33 1017.6
10 02:54 Calm 8.05 Fog/Mist BKN100 1.7 1.7 100% 76.4 1018.6
10 01:54 N 6 2.01 Fog/Mist CLR 1.7 1.1 96% 76.43 1018.9
10 00:54 N 6 16.09 Fair CLR 2.8 1.7 93% 76.4 1018.8
09 23:54 NE 7 16.09 Fair CLR 2.2 2.2 6.7 1.7 100% 0 76.45 1019.5
09 22:54 NE 6 16.09 Fair CLR 2.2 1.7 97% 76.48 1019.7
09 21:54 SE 13 16.09 Fair CLR 5 2.8 86% 2 76.48 1019.7
09 20:54 E 6 16.09 Fair CLR 2.2 1.1 93% 76.56 1020.7
09 19:54 NE 11 16.09 Fair CLR 5 2.8 86% 3 76.53 1020.4
09 18:54 N 7 16.09 Fair CLR 5.6 3.3 85% 4 76.56 1020.6
09 17:54 NE 7 16.09 Fair CLR 6.1 2.2 11.7 5 76% 5 76.56 1020.5
09 16:54 E 9 16.09 Fair CLR 8.3 3.3 71% 7 76.53 1020.1
09 15:54 NE 6 16.09 Fair CLR 11.1 3.3 59% 76.48 1019.7
09 14:54 E 7 16.09 Fair CLR 11.7 3.3 57% 76.45 1019.2
09 13:54 W 7 16.09 Fair CLR 10 2.8 61% 9 76.43 1018.9
09 12:54 Vrbl 11 16.09 A Few Clouds FEW025 8.9 2.8 66% 7 76.45 1019.1
09 11:54 NW 15 16.09 Overcast OVC023 8.3 2.8 8.9 7.2 69% 6 76.45 1019.1
09 10:54 NW 19 16.09 Overcast OVC023 8.3 2.8 69% 6 76.43 1018.8
09 09:54 NW 24 16.09 A Few Clouds FEW022 8.3 2.8 69% 5 76.35 1017.8
09 08:54 W 20 16.09 Overcast OVC021 7.2 2.8 74% 4 76.28 1016.7
09 07:54 W 30 16.09 Overcast OVC022 7.2 2.8 74% 3 76.15 1015.0
09 06:54 NW 15 G 39 16.09 Overcast BKN020 OVC026 7.8 3.9 77% 6 76.02 1013.5
09 05:54 W 35 G 50 16.09 Overcast and Breezy OVC023 8.3 4.4 18.3 8.3 77% 4 75.9 1011.7
09 04:54 W 37 G 52 16.09 Overcast and Breezy BKN023 OVC044 8.9 4.4 74% 5 75.77 1009.9
09 03:54 W 35 G 59 16.09 Overcast and Breezy BKN018 OVC023 9.4 6.1 80% 6 75.62 1007.9
09 02:54 W 39 G 54 16.09 Partly Cloudy and Breezy SCT039 SCT046 12.2 8.3 77% 75.44 1005.6
09 01:54 SW 28 G 52 16.09 Fair CLR 16.7 9.4 62% 75.21 1002.5
09 00:54 SW 35 G 56 16.09 Fair and Breezy CLR 18.3 10 59% 75.11 1001.0
08 23:54 SW 28 G 43 16.09 Fair CLR 18.3 11.7 19.4 17.8 66% 75.06 1000.5 0.1
08 22:54 SW 30 G 48 16.09 Fair CLR 18.9 12.8 68% 75.03 1000.2
08 21:54 SW 35 G 50 16.09 Fair and Breezy CLR 18.3 14.4 78% 75.01 999.7
08 20:54 SW 33 G 46 16.09 Fair and Breezy CLR 18.3 14.4 78% 75.01 999.7 0.1
08 19:54 SW 30 G 46 16.09 Overcast FEW027 BKN050 OVC090 18.9 15 78% 74.98 999.4
08 18:54 S 22 16.09 Partly Cloudy FEW048 SCT065 SCT080 17.8 15.6 87% 74.88 998.1 0.1
08 17:54 S 35 G 54 14.48 Light Rain and Breezy BKN028 OVC034 18.3 15 18.3 13.9 81% 74.85 997.7 0.03 0.18
08 16:54 S 37 G 48 16.09 Overcast and Breezy BKN027 OVC038 17.2 15 87% 74.85 997.7
08 15:54 SE 30 11.27 Overcast BKN015 OVC021 16.1 14.4 90% 74.93 998.9 0.08
08 14:54 SE 26 9.66 Light Rain Fog/Mist SCT017 BKN026 OVC043 15.6 13.9 90% 75.06 1000.4 0.08 0.08
08 13:54 SE 22 8.05 Fog/Mist OVC021 15.6 13.3 86% 75.18 1002.4
08 12:54 S 31 G 43 9.66 Fog/Mist OVC010 15 12.8 87% 75.23 1003.1
08 11:54 SE 28 G 43 11.27 Overcast OVC012 14.4 12.2 14.4 6.1 87% 75.31 1004.0
08 10:54 E 22 8.05 Fog/Mist BKN012 OVC095 13.3 11.7 90% 75.44 1005.5
08 09:54 SE 15 11.27 Mostly Cloudy SCT014 BKN100 13.3 10.6 84% 75.59 1007.8
08 08:54 E 13 11.27 Overcast OVC100 10 8.3 89% 8 75.62 1008.0
08 07:54 E 15 14.48 Partly Cloudy SCT120 8.3 6.1 86% 6 75.64 1008.5
08 06:54 E 13 16.09 Fair CLR 7.8 5.6 86% 6 75.64 1008.6
08 05:54 E 13 16.09 Fair CLR 6.7 3.9 7.2 3.3 83% 4 75.69 1009.1
08 04:54 E 17 16.09 Fair CLR 6.1 3.3 82% 3 75.69 1009.0
08 03:54 E 13 16.09 Fair CLR 6.7 3.3 79% 4 75.74 1009.6
08 02:54 E 15 16.09 Fair CLR 5.6 2.8 82% 3 75.79 1010.2
08 01:54 E 13 16.09 Fair CLR 3.9 1.7 86% 1 75.82 1010.6
08 00:54 E 15 16.09 Fair CLR 3.9 1.1 82% 1 75.82 1010.8
07 23:54 E 11 16.09 Fair CLR 4.4 1.1 8.9 3.9 79% 2 75.87 1011.4
07 22:54 SE 11 16.09 Fair CLR 6.1 1.7 74% 4 75.9 1011.8
07 21:54 SE 13 16.09 Fair CLR 7.8 2.2 68% 6 75.9 1011.7
07 20:54 SE 15 16.09 Fair CLR 5.6 0.6 71% 3 75.92 1012.2
07 19:54 E 13 16.09 Fair CLR 7.2 1.7 68% 5 75.92 1012.3
07 18:54 E 11 16.09 Fair CLR 5.6 0 68% 3 75.92 1012.4
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)