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.
05 08:54 E 6 9.00 Fair CLR 15.1 9 77% 7 30.07 1019.1
05 07:54 E 7 10.00 Fair CLR 10.9 6.1 81% 1 30.07 1018.8
05 06:54 E 3 10.00 Fair CLR 10 3.9 76% 30.1 1020.1
05 05:54 Calm 10.00 Fair CLR 8.1 3 12 8.1 80% 30.11 1020.3
05 04:54 E 3 10.00 Fair CLR 8.1 1.9 76% 30.13 1020.8
05 03:54 E 5 10.00 Fair CLR 9 3 77% 1 30.13 1021.0
05 02:54 Calm 10.00 Fair CLR 10.9 6.1 81% 30.16 1021.9
05 01:54 Calm 10.00 Fair CLR 10.9 6.1 81% 30.17 1022.4
05 00:54 SE 3 10.00 Fair CLR 10 5 80% 30.18 1022.5
04 23:54 E 3 10.00 Fair CLR 10.9 6.1 18 10 81% 30.2 1023.3
04 22:54 Calm 10.00 Fair CLR 12 3.9 70% 30.24 1024.7
04 21:54 E 3 10.00 Fair CLR 12 3.9 70% 30.25 1025.0
04 20:54 NE 3 10.00 Fair CLR 14 3.9 64% 30.26 1025.2
04 19:54 N 5 10.00 Fair CLR 16 3.9 59% 10 30.28 1026.1
04 18:54 NE 6 10.00 Fair CLR 18 3.9 54% 11 30.29 1026.3
04 17:54 NE 6 10.00 Fair CLR 17.1 5 21.9 17.1 59% 10 30.3 1026.5
04 16:54 NE 6 10.00 Fair CLR 18 5 57% 11 30.33 1027.5
04 15:54 N 8 10.00 Fair CLR 19.9 7 57% 11 30.33 1027.5
04 14:54 N 7 10.00 Fair CLR 21 6.1 52% 13 30.33 1027.5
04 13:54 NE 6 10.00 Fair CLR 21 6.1 52% 14 30.35 1028.2
04 12:54 NE 6 10.00 Fair CLR 21 5 50% 14 30.37 1028.9
04 11:54 N 7 10.00 Fair CLR 19.9 7 19.9 14 57% 12 30.39 1029.6
04 10:54 N 8 0.00 Fair CLR 19 8.1 62% 10 30.43 1031.0
04 09:54 NE 8 0.00 Fair CLR 18 8.1 65% 9 30.46 1031.8
04 08:54 N 7 0.00 Fair CLR 15.1 7 70% 6 30.46 1031.8
04 07:54 N 5 0.00 Fair CLR 15.1 8.1 74% 9 30.44 1031.5
04 06:54 N 12 0.00 Fair CLR 17.1 9 70% 5 30.42 1030.7
04 05:54 N 12 0.00 Fair CLR 17.1 10 28 17.1 74% 5 30.39 1029.6
04 04:54 NW 7 0.00 Fair CLR 18 10.9 74% 10 30.38 1029.3
04 03:54 N 12 G 21 0.00 Fair CLR 19.9 12 71% 9 30.37 1028.7
04 02:54 N 12 G 20 0.00 Fair CLR 21 12.9 71% 10 30.34 1027.9
04 01:54 N 9 G 22 0.00 Fair CLR 23 15.1 72% 14 30.33 1027.6
04 00:54 N 15 0.00 A Few Clouds FEW018 25 18 75% 13 30.31 1026.8
03 23:54 NW 15 9.00 Overcast OVC017 28 21 36 28 75% 17 30.29 1026.2
03 22:54 N 15 6.00 Overcast with Haze OVC013 32 27 82% 22 30.25 1024.9
03 21:54 N 14 8.00 Overcast OVC014 34 30 85% 25 30.23 1023.9
03 20:54 N 7 10.00 Overcast BKN021 OVC028 35.1 30 82% 30 30.21 1023.5
03 19:54 NW 3 10.00 Overcast OVC023 34 30 85% 30.19 1022.6
03 18:54 NW 5 10.00 Overcast BKN070 OVC100 34 30.9 89% 30 30.17 1022.1
03 17:54 Calm 10.00 Overcast OVC100 34 30 36 32 85% 30.15 1021.5
03 16:54 Calm 10.00 Overcast BKN030 OVC065 35.1 28.9 78% 30.12 1020.4
03 15:54 Calm 9.00 Overcast BKN048 OVC100 34 30 85% 30.1 1019.7
03 14:54 NW 3 10.00 Overcast FEW060 SCT075 OVC095 35.1 28 76% 30.08 1019.2
03 13:54 S 3 10.00 Overcast OVC080 35.1 28 76% 30.07 1018.6
03 12:54 S 3 10.00 Mostly Cloudy BKN100 34 27 76% 30.07 1018.5
03 11:54 SW 6 10.00 Fair CLR 32 27 32 12 82% 27 30.1 1019.7
03 10:54 S 7 9.00 Partly Cloudy SCT110 28 26.1 92% 22 30.1 1019.7
03 09:54 S 6 7.00 Overcast OVC110 26.1 25 96% 20 30.12 1020.5
03 08:54 E 5 4.00 Fog/Mist CLR 21.9 19.9 92% 16 30.1 1019.9
03 07:54 E 6 0.75 Fog/Mist CLR 18 17.1 96% 11 30.09 1019.4
03 06:54 E 6 1.00 Fog/Mist CLR 14 12 92% 6 30.09 1019.4
03 05:54 E 7 0.25 Freezing Fog CLR 12 10 19 10.9 92% 2 30.08 1019.2
03 04:54 E 7 0.25 Freezing Fog CLR 12 10 92% 2 30.07 1018.8
03 03:54 E 5 0.50 Freezing Fog CLR 12.9 10.9 92% 6 30.07 1018.9
03 02:54 E 8 6.00 Fog/Mist CLR 15.1 12.9 91% 5 30.06 1018.5
03 01:54 E 6 2.50 Fog/Mist CLR 15.1 14 95% 7 30.07 1018.9
03 00:54 NE 3 6.00 Fog/Mist CLR 17.1 16 96% 30.08 1019.1
02 23:54 E 3 8.00 Fair CLR 17.1 14 25 14 88% 30.07 1018.9
02 22:54 SE 3 8.00 Fair CLR 18 16 92% 30.09 1019.5
02 21:54 SE 7 10.00 Fair CLR 19.9 16 85% 12 30.07 1018.7
02 20:54 SE 7 10.00 Fair CLR 21 17.1 85% 13 30.09 1019.6
02 19:54 S 10 10.00 Overcast OVC016 25 19.9 81% 16 30.1 1019.9
02 18:54 S 5 10.00 Overcast OVC016 23 18 81% 18 30.08 1019.0
02 17:54 S 7 10.00 Overcast OVC017 24.1 19 26.1 24.1 81% 17 30.07 1018.9
02 16:54 S 6 10.00 Overcast OVC018 25 19 78% 19 30.08 1019.2
02 15:54 SW 7 10.00 Overcast OVC016 26.1 19 75% 19 30.09 1019.5
02 14:54 W 5 10.00 Overcast OVC016 26.1 19.9 78% 21 30.09 1019.4
02 13:54 SW 9 10.00 Overcast OVC015 25 19 78% 16 30.09 1019.5
02 12:54 W 7 10.00 Overcast OVC015 25 18 75% 18 30.11 1020.1
02 11:54 W 6 10.00 Overcast OVC014 24.1 18 25 23 77% 18 30.12 1020.4
02 10:54 W 8 10.00 Overcast OVC014 24.1 18 77% 16 30.15 1021.3
02 09:54 W 7 10.00 Overcast OVC014 24.1 18 77% 17 30.14 1021.3
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)