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.
27 01:54 S 9 10.00 Fair CLR 10.9 1.9 67% -1 30.21 1023.6
27 00:54 S 6 10.00 Fair CLR 7 -2 66% -2 30.23 1024.4
26 23:54 SW 8 10.00 Fair CLR 5 -4 10.9 -2 66% -7 30.25 1025.3
26 22:54 SW 12 10.00 Fair CLR 6.1 -4 63% -8 30.28 1026.1
26 21:54 SW 8 10.00 Fair CLR 7 -4 60% -5 30.28 1026.4
26 20:54 Calm 10.00 Fair CLR 1.9 -4 76% 30.32 1027.6
26 19:54 S 3 10.00 Fair CLR 1 -8 65% 30.35 1028.8
26 18:54 S 8 10.00 Fair CLR 7 -4 60% -5 30.37 1029.4
26 17:54 SW 10 10.00 Fair CLR 3.9 -6 15.1 3 63% -10 30.39 1030.1
26 16:54 SW 10 10.00 Fair CLR 9 -2 61% -4 30.4 1030.5
26 15:54 W 10 10.00 Fair CLR 15.1 -2 46% 3 30.41 1030.8
26 14:54 Vrbl 6 10.00 Fair CLR 12.9 1 59% 5 30.43 1031.2
26 13:54 W 12 10.00 Fair CLR 12 -0.9 56% -1 30.44 1031.7
26 12:54 W 12 10.00 Fair CLR 10 -2 58% -3 30.48 1032.8
26 11:54 W 8 10.00 Fair CLR 7 -5.1 7 -9.9 57% -5 30.51 1034.2
26 10:54 W 9 10.00 Fair CLR 3.9 -6 63% -9 30.54 1035.0
26 09:54 W 9 10.00 Fair CLR 1 -8 65% -13 30.54 1034.9
26 08:54 W 10 10.00 Fair CLR -2.9 -9.9 71% -19 30.52 1034.6
26 07:54 W 7 10.00 Fair CLR -6 -11.9 75% -19 30.5 1034.0
26 06:54 W 6 10.00 Fair CLR -7.1 -11.9 79% -19 30.48 1033.3
26 05:54 W 7 10.00 Fair CLR -8 -13 5 -8 78% -21 30.46 1032.5
26 04:54 W 10 10.00 Fair CLR -8 -14.1 74% -25 30.45 1032.0
26 03:54 W 7 10.00 Fair CLR -5.1 -11.9 72% -18 30.43 1031.4
26 02:54 W 6 10.00 Fair CLR -0.9 -9.9 65% -12 30.42 1031.0
26 01:54 W 6 10.00 Fair CLR -0.9 -11 62% -12 30.41 1030.5
26 00:54 NW 9 10.00 Fair CLR 3 -8 60% -10 30.39 1029.8
25 23:54 NW 9 10.00 Fair CLR 3.9 -6 10 1.9 63% -9 30.39 1029.7
25 22:54 W 9 10.00 Fair CLR 5 -2.9 69% -8 30.37 1029.1
25 21:54 W 9 10.00 Fair CLR 5 -2.9 69% -8 30.34 1028.1
25 20:54 NW 8 10.00 Mostly Cloudy BKN029 8.1 -0.9 66% -3 30.31 1027.1
25 19:54 NW 12 10.00 Fair CLR 8.1 -0.9 66% -6 30.29 1026.4
25 18:54 NW 12 10.00 Fair CLR 9 -0 66% -5 30.26 1025.4
25 17:54 NW 9 10.00 Fair CLR 9 1 15.1 9 70% -3 30.23 1024.4
25 16:54 NW 18 G 25 10.00 Fair CLR 12.9 1.9 61% -3 30.21 1023.8
25 15:54 NW 17 G 24 10.00 Fair CLR 15.1 3 59% -0 30.19 1022.9
25 14:54 NW 18 10.00 A Few Clouds FEW100 15.1 5 64% -1 30.16 1022.1
25 13:54 NW 14 9.00 Mostly Cloudy BKN029 BKN037 14 5 67% 0 30.16 1021.9
25 12:54 NW 16 2.50 Light Snow BKN025 OVC033 12 5 73% -3 30.16 1022.1
25 11:54 NW 13 3.00 Light Snow OVC036 10 3 10 7 73% -4 30.16 1022.2
25 10:54 N 17 G 23 2.50 Light Snow BKN039 OVC050 9 1.9 73% -8 30.14 1021.4
25 09:54 N 12 G 25 7.00 Overcast BKN027 OVC035 8.1 1 73% -6 30.15 1021.8
25 08:54 N 15 4.00 Light Snow BKN042 OVC055 8.1 1 73% -8 30.14 1021.4
25 07:54 N 14 2.50 Light Snow OVC027 7 1.9 80% -9 30.14 1021.6
25 06:54 N 14 2.50 Light Snow OVC033 8.1 1.9 76% -7 30.15 1021.6
25 05:54 N 15 2.50 Light Snow OVC028 8.1 1.9 9 8.1 76% -8 30.13 1021.0
25 04:54 N 15 1.25 Light Snow OVC015 8.1 3 80% -8 30.14 1021.3
25 03:54 N 12 2.00 Light Snow OVC029 8.1 3 80% -6 30.17 1022.3
25 02:54 N 13 0.75 Light Snow VV012 9 3.9 80% -6 30.18 1022.7
25 01:54 N 12 G 22 1.25 Light Snow OVC020 9 3.9 80% -5 30.2 1023.4
25 00:54 N 10 1.25 Light Snow OVC016 9 3.9 80% -4 30.23 1024.4
24 23:54 NE 14 1.00 Light Snow VV015 9 3.9 9 7 80% -6 30.23 1024.6
24 22:54 NE 13 1.50 Light Snow OVC021 9 3.9 80% -6 30.26 1025.6
24 21:54 NE 10 1.75 Light Snow Fog/Mist OVC022 9 5 84% -4 30.3 1027.0
24 20:54 NE 12 1.25 Light Snow Fog/Mist OVC014 8.1 3.9 83% -6 30.33 1028.1
24 19:54 NE 10 1.00 Light Snow Fog/Mist VV014 8.1 3.9 83% -5 30.35 1028.7
24 18:54 NE 12 1.25 Light Snow OVC017 8.1 3 80% -6 30.38 1029.8
24 17:54 NE 10 1.75 Light Snow OVC027 7 1.9 8.1 3.9 80% -6 30.41 1030.7
24 16:54 NE 10 2.00 Light Snow OVC037 8.1 1.9 76% -5 30.43 1031.2
24 15:54 NE 8 4.00 Light Snow FEW018 BKN049 OVC065 8.1 1.9 76% -3 30.46 1032.5
24 14:54 NE 13 1.00 Light Snow BKN019 OVC031 7 1.9 80% -8 30.47 1032.8
24 13:54 NE 9 0.75 Light Snow VV018 6.1 1 80% -7 30.49 1033.4
24 12:54 NE 12 0.75 Light Snow VV016 5 -0.9 76% -10 30.53 1034.7
24 11:54 NE 12 1.25 Light Snow BKN024 OVC034 3.9 -2.9 3.9 1 73% -11 30.57 1036.3
24 10:54 NE 10 1.00 Light Snow VV019 3 -2.9 76% -11 30.61 1037.4
24 09:54 NE 12 1.75 Light Snow BKN029 OVC036 1.9 -7.1 65% -14 30.64 1038.5
24 08:54 NE 14 8.00 Overcast BKN048 OVC055 1.9 -13 49% -15 30.63 1038.3
24 07:54 NE 12 10.00 Overcast OVC055 1 -16.1 44% -15 30.64 1038.6
24 06:54 NE 13 10.00 Overcast OVC065 1 -17 42% -15 30.67 1039.7
24 05:54 NE 12 10.00 Mostly Cloudy SCT070 BKN100 BKN110 1 -16.1 3 1 44% -15 30.68 1039.7
24 04:54 N 14 10.00 Overcast BKN065 OVC080 1 -17 42% -16 30.69 1040.0
24 03:54 N 14 10.00 Overcast OVC065 1.9 -17 40% -15 30.7 1040.5
24 02:54 NE 13 10.00 Overcast OVC075 1.9 -18 38% -14 30.71 1040.8
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)