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.
28 12:54 N 7 16.09 Fair CLR 0.6 -8.3 52% -1 77.29 1031.0
28 11:54 W 6 16.09 Fair CLR 0 -10 0 -6.7 47% 77.42 1032.4
28 10:54 Vrbl 6 16.09 Fair CLR -1.1 -8.9 56% 77.47 1033.2
28 09:54 Calm 16.09 Fair CLR -1.1 -8.3 58% 77.5 1033.4
28 07:54 W 6 16.09 Fair CLR -4.4 -7.2 81% 77.44 1033.1
28 06:54 W 7 16.09 Fair CLR -5 -7.2 85% -8 77.42 1032.6
28 05:54 W 7 16.09 Fair CLR -4.4 -7.8 -2.8 -6.1 77% -7 77.39 1032.3
28 04:54 W 7 16.09 Fair CLR -5.6 -8.3 82% -9 77.39 1032.3
28 03:54 NW 6 16.09 Fair CLR -5 -8.3 78% 77.37 1031.7
28 02:54 NW 11 16.09 Fair CLR -3.9 -8.3 72% -8 77.34 1031.5
28 01:54 NW 11 16.09 Fair CLR -3.9 -8.3 72% -8 77.34 1031.5
28 00:54 NW 17 16.09 Fair CLR -2.8 -7.8 69% -8 77.32 1031.2
27 23:54 N 11 16.09 Fair CLR -2.8 -7.2 1.7 -2.8 72% -7 77.27 1030.5
27 22:54 N 19 16.09 A Few Clouds FEW070 0 -8.3 54% -5 77.27 1030.3
27 21:54 NW 13 16.09 Fair CLR 0.6 -7.8 54% -3 77.19 1029.4
27 20:54 W 13 16.09 Fair CLR 0 -7.8 56% -4 77.17 1029.0
27 19:54 W 11 16.09 Fair CLR 1.1 -8.9 48% -2 77.17 1029.0
27 18:54 W 9 16.09 Fair CLR 1.1 -8.9 48% -1 77.14 1028.9
27 17:54 W 11 16.09 Fair CLR 1.1 -8.3 4.4 1.1 50% -2 77.17 1029.1
27 16:54 W 17 16.09 Fair CLR 2.2 -7.8 48% -2 77.17 1029.1
27 15:54 W 13 16.09 Fair CLR 3.9 -7.8 43% 1 77.17 1028.9
27 14:54 W 22 16.09 Fair CLR 3.9 -8.9 39% -0 77.17 1029.0
27 13:54 W 17 16.09 Fair CLR 3.3 -8.3 43% -0 77.19 1029.3
27 12:54 W 17 16.09 Fair CLR 2.8 -7.8 46% -1 77.24 1029.9
27 11:54 W 19 16.09 Fair CLR 2.2 -6.7 2.2 -1.7 52% -2 77.27 1030.3
27 10:54 NW 24 G 35 16.09 A Few Clouds FEW029 1.7 -6.7 54% -3 77.29 1030.7
27 08:54 NW 15 16.09 Overcast OVC025 -0.6 -6.7 64% -5 77.24 1030.1
27 07:54 NW 19 G 35 16.09 Mostly Cloudy BKN026 -1.1 -7.2 64% -6 77.19 1029.5
27 06:54 NW 19 16.09 Overcast OVC026 -1.1 -6.7 66% -6 77.14 1028.8
27 05:54 NW 24 16.09 Partly Cloudy SCT027 -1.1 -6.7 1.7 -1.1 66% -7 77.09 1028.2
27 04:54 NW 17 16.09 Fair CLR -0.6 -6.7 64% -5 77.06 1027.7
27 03:54 NW 22 16.09 Fair CLR 0.6 -6.1 61% -4 77.04 1027.3
27 02:54 NW 22 16.09 Fair CLR 0.6 -6.1 61% -4 77.04 1027.3
27 01:54 W 15 16.09 Fair CLR 1.1 -5 64% -3 77.04 1027.3
27 00:54 W 17 16.09 Fair CLR 1.7 -5 61% -2 77.01 1027.0
26 23:54 W 15 16.09 Fair CLR 1.7 -5 3.9 1.7 61% -2 77.04 1027.1
26 22:54 NW 20 16.09 Fair CLR 2.2 -5.6 57% -2 76.99 1026.7
26 21:54 W 15 16.09 Fair CLR 1.7 -5 61% -2 76.96 1026.3
26 20:54 W 17 16.09 Fair CLR 2.2 -5.6 57% -2 76.96 1026.4
26 19:54 W 19 16.09 Fair CLR 2.8 -5.6 54% -1 76.96 1026.1
26 18:54 W 20 16.09 Fair CLR 3.3 -6.1 51% -1 76.91 1025.7
26 17:54 W 17 16.09 Fair CLR 3.9 -6.1 7.2 3.9 48% 0 76.89 1025.1
26 16:54 W 17 G 33 16.09 Fair CLR 5 -6.7 43% 2 76.84 1024.5
26 15:54 W 30 G 43 16.09 Fair CLR 6.1 -7.8 37% 2 76.76 1023.5
26 14:54 W 35 G 54 16.09 Fair and Breezy CLR 7.2 -7.2 35% 3 76.71 1022.9
26 13:54 W 48 G 65 16.09 Fair and Windy CLR 7.2 -7.2 35% 2 76.68 1022.4
26 12:54 NW 39 G 63 16.09 Fair and Breezy CLR 7.2 -6.7 37% 3 76.66 1022.2
26 11:54 W 44 G 65 16.09 A Few Clouds and Windy FEW050 6.1 -6.1 6.1 3.3 42% 1 76.66 1022.2
26 10:54 W 43 G 61 16.09 Mostly Cloudy and Windy BKN048 5.6 -5 47% 0 76.66 1022.2
26 09:54 W 41 G 59 16.09 Mostly Cloudy and Breezy BKN049 5 -5 49% -0 76.63 1021.7
26 08:54 W 43 G 59 16.09 Overcast and Windy OVC050 3.9 -5 53% -2 76.58 1021.0
26 07:54 W 31 G 57 16.09 Overcast OVC047 3.3 -5 55% -2 76.56 1020.5
26 06:54 W 39 G 61 16.09 Overcast and Breezy OVC042 3.3 -5 55% -2 76.5 1019.9
26 05:54 W 33 G 54 16.09 Overcast and Breezy OVC045 3.3 -4.4 6.1 3.3 57% -2 76.45 1019.4
26 04:54 W 35 G 56 16.09 Overcast and Breezy OVC045 3.9 -4.4 55% -1 76.43 1019.0
26 03:54 W 37 G 59 16.09 Overcast and Breezy OVC046 3.9 -4.4 55% -2 76.4 1018.6
26 02:54 W 31 G 52 16.09 Fair CLR 3.9 -3.9 57% -1 76.38 1018.2
26 01:54 W 37 G 59 16.09 Fair and Breezy CLR 4.4 -3.9 55% -1 76.33 1017.7
26 00:54 W 39 G 54 16.09 Fair and Breezy CLR 5 -2.8 57% -0 76.25 1016.7
25 23:54 W 30 G 50 16.09 Fair CLR 6.1 -2.2 13.3 6.1 56% 2 76.23 1016.3
25 22:54 W 33 G 57 16.09 Fair and Breezy CLR 7.2 -0.6 58% 3 76.17 1015.6
25 21:54 W 28 G 56 16.09 Fair CLR 7.8 0 58% 4 76.12 1015.0
25 20:54 W 44 G 69 16.09 Light Rain and Windy SCT036 10 3.3 63% 6 76.07 1014.1
25 19:54 W 35 G 56 16.09 Light Rain and Breezy FEW024 BKN037 OVC050 11.7 6.1 69% 76 1013.1
25 18:54 SW 15 16.09 Overcast SCT045 BKN060 OVC070 12.8 9.4 80% 75.92 1012.0
25 17:54 W 15 16.09 Partly Cloudy SCT060 SCT070 12.8 9.4 14.4 12.2 80% 75.92 1011.9
25 16:54 W 15 16.09 Overcast OVC060 13.3 9.4 77% 75.84 1011.1
25 15:54 W 15 16.09 Overcast BKN026 OVC060 13.9 10 78% 75.82 1010.8
25 14:54 W 13 16.09 Overcast BKN016 BKN025 OVC030 13.9 10.6 81% 75.82 1010.6
25 13:54 W 11 16.09 Overcast BKN022 OVC027 13.3 10.6 84% 75.79 1010.4
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)