Weather observations for the past three days for
St. Charles, St. Charles County Smartt Airport
Imperial (Metric)
Date Time (cst) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
11 02:54 NW 15 G 25 10.00 Fair CLR 28.9 12 49% 18 30.31 1026.5
11 01:54 W 17 G 28 10.00 Fair CLR 30 14 51% 19 30.29 1025.8
11 00:54 W 18 G 25 10.00 Fair CLR 30.9 15.1 52% 20 30.25 1024.6
10 23:54 W 16 G 26 10.00 Fair CLR 32 14 45 32 47% 22 30.24 1024.2
10 22:54 NW 20 G 30 10.00 Fair CLR 33.1 12 42% 22 30.23 1023.8
10 21:54 NW 17 10.00 Partly Cloudy SCT060 35.1 19 52% 26 30.21 1023.0
10 20:54 NW 17 G 31 10.00 Mostly Cloudy BKN050 BKN065 39 21.9 50% 31 30.18 1022.0
10 19:54 NW 20 G 25 10.00 Overcast BKN046 OVC055 41 28.9 62% 33 30.15 1021.2
10 18:54 SW 12 10.00 Overcast OVC070 44.1 21.9 41% 39 30.11 1019.7
10 16:54 SW 12 10.00 Fair CLR 44.1 21 40% 39 30.1 1019.3
10 15:54 W 15 10.00 Fair CLR 46 21 37% 40 30.1 1019.5
10 14:54 W 17 G 29 10.00 Fair CLR 46 23 40% 40 30.11 1019.8
10 13:54 W 14 G 24 10.00 Fair CLR 45 27 49% 39 30.12 1020.0
10 12:54 W 18 10.00 A Few Clouds FEW032 44.1 30 58% 37 30.13 1020.2
10 11:54 NW 14 G 23 10.00 Overcast BKN027 OVC033 42.1 30.9 42.1 37 65% 35 30.14 1020.8 0.02
10 10:54 NW 17 G 26 10.00 Mostly Cloudy BKN022 BKN029 39 32 76% 31 30.15 1021.1
10 09:54 NW 10 10.00 Overcast FEW016 SCT035 OVC060 37.9 33.1 83% 32 30.13 1020.5
10 08:54 NW 14 10.00 Overcast BKN014 OVC036 37 34 89% 29 30.1 1019.6 0.02
10 07:54 NW 15 10.00 Overcast BKN011 BKN016 OVC033 37 34 89% 29 30.07 1018.3 0.02
10 06:54 NW 10 10.00 Overcast BKN008 OVC021 41 37.9 89% 35 30.04 1017.5
10 05:54 NW 7 9.00 Overcast BKN028 OVC038 39 37.9 39 34 96% 35 30.04 1017.2
10 04:54 NW 3 4.00 Fog/Mist FEW090 FEW120 36 35.1 97% 30.02 1016.6
10 03:54 Calm 8.00 Overcast OVC100 36 35.1 97% 30.05 1017.6
10 02:54 Calm 5.00 Fog/Mist BKN100 35.1 35.1 100% 30.08 1018.6
10 01:54 N 3 1.25 Fog/Mist CLR 35.1 34 96% 30.09 1018.9
10 00:54 N 3 10.00 Fair CLR 37 35.1 93% 30.08 1018.8
09 23:54 NE 5 10.00 Fair CLR 36 36 44.1 35.1 100% 33 30.1 1019.5
09 22:54 NE 3 10.00 Fair CLR 36 35.1 97% 30.11 1019.7
09 21:54 SE 8 10.00 Fair CLR 41 37 86% 36 30.11 1019.7
09 20:54 E 3 10.00 Fair CLR 36 34 93% 30.14 1020.7
09 19:54 NE 7 10.00 Fair CLR 41 37 86% 37 30.13 1020.4
09 18:54 N 5 10.00 Fair CLR 42.1 37.9 85% 40 30.14 1020.6
09 17:54 NE 5 10.00 Fair CLR 43 36 53.1 41 76% 41 30.14 1020.5
09 16:54 E 6 10.00 Fair CLR 46.9 37.9 71% 45 30.13 1020.1
09 15:54 NE 3 10.00 Fair CLR 52 37.9 59% 30.11 1019.7
09 14:54 E 5 10.00 Fair CLR 53.1 37.9 57% 30.1 1019.2
09 13:54 W 5 10.00 Fair CLR 50 37 61% 49 30.09 1018.9
09 12:54 Vrbl 7 10.00 A Few Clouds FEW025 48 37 66% 45 30.1 1019.1
09 11:54 NW 9 10.00 Overcast OVC023 46.9 37 48 45 69% 43 30.1 1019.1
09 10:54 NW 12 10.00 Overcast OVC023 46.9 37 69% 42 30.09 1018.8
09 09:54 NW 15 10.00 A Few Clouds FEW022 46.9 37 69% 41 30.06 1017.8
09 08:54 W 13 10.00 Overcast OVC021 45 37 74% 39 30.03 1016.7
09 07:54 W 18 10.00 Overcast OVC022 45 37 74% 38 29.98 1015.0
09 06:54 NW 9 G 24 10.00 Overcast BKN020 OVC026 46 39 77% 42 29.93 1013.5
09 05:54 W 22 G 31 10.00 Overcast and Breezy OVC023 46.9 39.9 64.9 46.9 77% 40 29.88 1011.7
09 04:54 W 23 G 32 10.00 Overcast and Breezy BKN023 OVC044 48 39.9 74% 41 29.83 1009.9
09 03:54 W 22 G 37 10.00 Overcast and Breezy BKN018 OVC023 48.9 43 80% 42 29.77 1007.9
09 02:54 W 24 G 33 10.00 Partly Cloudy and Breezy SCT039 SCT046 54 46.9 77% 29.7 1005.6
09 01:54 SW 17 G 32 10.00 Fair CLR 62.1 48.9 62% 29.61 1002.5
09 00:54 SW 22 G 35 10.00 Fair and Breezy CLR 64.9 50 59% 29.57 1001.0
08 23:54 SW 17 G 26 10.00 Fair CLR 64.9 53.1 66.9 64 66% 29.55 1000.5 0.04
08 22:54 SW 18 G 30 10.00 Fair CLR 66 55 68% 29.54 1000.2
08 21:54 SW 22 G 31 10.00 Fair and Breezy CLR 64.9 57.9 78% 29.53 999.7
08 20:54 SW 21 G 29 10.00 Fair and Breezy CLR 64.9 57.9 78% 29.53 999.7 0.04
08 19:54 SW 18 G 29 10.00 Overcast FEW027 BKN050 OVC090 66 59 78% 29.52 999.4
08 18:54 S 14 10.00 Partly Cloudy FEW048 SCT065 SCT080 64 60.1 87% 29.48 998.1 0.04
08 17:54 S 22 G 33 9.00 Light Rain and Breezy BKN028 OVC034 64.9 59 64.9 57 81% 29.47 997.7 0.01 0.07
08 16:54 S 23 G 30 10.00 Overcast and Breezy BKN027 OVC038 63 59 87% 29.47 997.7
08 15:54 SE 18 7.00 Overcast BKN015 OVC021 61 57.9 90% 29.5 998.9 0.03
08 14:54 SE 16 6.00 Light Rain Fog/Mist SCT017 BKN026 OVC043 60.1 57 90% 29.55 1000.4 0.03 0.03
08 13:54 SE 14 5.00 Fog/Mist OVC021 60.1 55.9 86% 29.6 1002.4
08 12:54 S 20 G 26 6.00 Fog/Mist OVC010 59 55 87% 29.62 1003.1
08 11:54 SE 17 G 26 7.00 Overcast OVC012 57.9 54 57.9 43 87% 29.65 1004.0
08 10:54 E 14 5.00 Fog/Mist BKN012 OVC095 55.9 53.1 90% 29.7 1005.5
08 09:54 SE 9 7.00 Mostly Cloudy SCT014 BKN100 55.9 51.1 84% 29.76 1007.8
08 08:54 E 8 7.00 Overcast OVC100 50 46.9 89% 47 29.77 1008.0
08 07:54 E 9 9.00 Partly Cloudy SCT120 46.9 43 86% 43 29.78 1008.5
08 06:54 E 8 10.00 Fair CLR 46 42.1 86% 42 29.78 1008.6
08 05:54 E 8 10.00 Fair CLR 44.1 39 45 37.9 83% 40 29.8 1009.1
08 04:54 E 10 10.00 Fair CLR 43 37.9 82% 38 29.8 1009.0
08 03:54 E 8 10.00 Fair CLR 44.1 37.9 79% 40 29.82 1009.6
Date Time (cst) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)