Weather observations for the past three days for
St. Charles, St. Charles County Smartt Airport
Imperial (Metric)
Date Time (cdt) 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.
04 14:54 SW 14 G 18 10.00 Fair CLR 77 55.9 48% 79 29.63 1003.1
04 13:54 Vrbl 6 G 28 10.00 Fair CLR 70 53.1 55% 29.63 1003.0
04 12:54 S 7 10.00 Thunderstorm in Vicinity BKN100 66.9 54 70 62.1 63% 29.67 1004.4 0.01 0.01
04 11:54 S 10 10.00 Thunderstorm in Vicinity OVC090 64.9 54 68% 29.68 1004.8
04 10:54 SW 12 G 23 10.00 Overcast FEW065 FEW080 OVC110 68 51.1 55% 29.71 1005.6
04 09:54 S 12 10.00 Light Rain SCT090 BKN110 66 52 61% 29.72 1006.2
04 08:54 S 13 10.00 Fair CLR 69.1 52 55% 29.73 1006.2
04 07:54 S 10 10.00 Fair CLR 64.9 52 63% 29.74 1006.8
04 06:54 S 12 10.00 Fair CLR 62.1 50 64.9 55.9 65% 29.75 1006.9
04 05:54 S 9 10.00 Partly Cloudy SCT110 59 51.1 75% 29.75 1006.9
04 04:54 Calm 10.00 Fair CLR 59 52 78% 29.76 1007.3
04 03:54 Calm 10.00 Fair CLR 57 52 83% 29.74 1006.8
04 02:54 Calm 10.00 Overcast OVC120 57 54 90% 29.76 1007.4
04 01:54 SE 7 10.00 Mostly Cloudy BKN110 60.1 53.1 78% 29.77 1007.7
04 00:54 E 7 10.00 Partly Cloudy SCT080 64.9 50 75.9 55.9 59% 29.78 1008.2 0.06
03 23:54 NW 3 10.00 Fair CLR 57.9 54 87% 29.76 1007.5 0.04
03 22:54 W 7 G 20 4.00 Light Rain SCT028 BKN085 59 53.1 81% 29.78 1008.3 0.02
03 21:54 S 6 10.00 Fair CLR 68 50 53% 29.78 1008.2
03 20:54 S 3 10.00 Mostly Cloudy BKN090 68 48.9 51% 29.78 1008.1
03 19:54 SW 3 10.00 Overcast OVC080 73 46.9 40% 29.76 1007.6
03 18:54 SW 10 10.00 Partly Cloudy SCT090 75.9 45 79 69.1 33% 77 29.76 1007.6
03 17:54 SW 15 10.00 Fair CLR 79 42.1 27% 78 29.78 1008.1
03 16:54 SW 18 G 30 10.00 Fair CLR 79 41 26% 78 29.79 1008.6
03 15:54 SW 21 G 31 10.00 Fair and Breezy CLR 77 39.9 26% 77 29.82 1009.5
03 14:54 S 20 G 30 10.00 Fair CLR 75 39 27% 77 29.85 1010.6
03 13:54 S 22 G 31 10.00 Fair and Breezy CLR 72 37.9 29% 29.9 1012.2
03 12:54 S 20 G 31 10.00 Fair CLR 69.1 37 69.1 43 31% 29.95 1014.0
03 11:54 SW 24 G 31 10.00 Fair and Breezy CLR 66.9 37.9 35% 29.99 1015.4
03 10:54 S 18 10.00 Fair CLR 63 39.9 43% 30.02 1016.6
03 09:54 SW 17 G 24 10.00 Fair CLR 60.1 37.9 44% 30.05 1017.3
03 08:54 SW 15 10.00 Fair CLR 54 39 57% 30.06 1017.9
03 07:54 SW 10 10.00 Fair CLR 50 39 66% 46 30.08 1018.3
03 06:54 Calm 10.00 Fair CLR 43 37.9 45 39.9 82% 30.07 1018.1
03 05:54 S 3 10.00 Fair CLR 42.1 37 82% 30.05 1017.5
03 04:54 SE 5 10.00 Fair CLR 43 37 80% 41 30.05 1017.6
03 03:54 SE 5 10.00 Fair CLR 42.1 37.9 85% 40 30.07 1018.1
03 02:54 Calm 10.00 Fair CLR 43 42.1 97% 30.07 1018.2
03 01:54 NE 3 10.00 Fair CLR 43 43 100% 30.08 1018.6
03 00:54 Calm 2.00 Fog/Mist CLR 44.1 44.1 59 44.1 100% 30.09 1019.0
02 23:54 NE 3 10.00 Fair CLR 45 43 93% 30.09 1019.0
02 22:54 Calm 10.00 Fair CLR 46.9 41 80% 30.09 1018.9
02 21:54 NE 3 10.00 Fair CLR 46 39.9 79% 30.1 1019.1
02 20:54 Calm 10.00 Fair CLR 52 39 61% 30.09 1018.7
02 19:54 Calm 10.00 Fair CLR 57 33.1 41% 30.07 1018.3
02 18:54 NW 9 10.00 Fair CLR 59 32 62.1 55.9 36% 30.07 1018.1
02 17:54 NW 9 10.00 Fair CLR 61 32 34% 30.07 1018.2
02 16:54 W 12 10.00 Partly Cloudy SCT090 60.1 32 35% 30.07 1018.3
02 15:54 Calm 10.00 Mostly Cloudy BKN080 BKN090 60.1 28 30% 30.08 1018.6
02 14:54 NW 8 10.00 Overcast FEW075 OVC090 59 30.9 35% 30.1 1019.2
02 13:54 N 6 10.00 Mostly Cloudy SCT060 SCT070 BKN090 57 34 42% 30.11 1019.4
02 12:54 NE 8 10.00 Partly Cloudy FEW065 SCT100 57.9 37 59 46.9 46% 30.11 1019.6
02 11:54 NE 13 10.00 Overcast SCT060 BKN070 OVC100 55.9 36 47% 30.12 1019.7
02 10:54 N 8 G 17 10.00 Overcast SCT050 OVC090 55.9 34 44% 30.12 1019.7
02 09:54 NE 10 10.00 Fair CLR 55.9 41 57% 30.11 1019.4
02 08:54 NE 8 10.00 Fair CLR 53.1 43 69% 30.1 1019.2
02 07:54 N 10 10.00 Fair CLR 50 43 77% 46 30.09 1018.7
02 06:54 N 8 10.00 Mostly Cloudy BKN100 46.9 42.1 51.1 46.9 83% 44 30.07 1018.1
02 05:54 N 7 10.00 Overcast FEW055 OVC100 46.9 42.1 83% 44 30.05 1017.3
02 04:54 N 7 10.00 Overcast OVC100 46.9 42.1 83% 44 30.04 1017.1
02 03:54 N 8 10.00 Partly Cloudy SCT100 46.9 41 80% 44 30.04 1017.0
02 02:54 NE 5 10.00 Partly Cloudy SCT070 SCT090 48.9 39.9 71% 48 30.03 1016.8
02 01:54 NE 6 10.00 Overcast BKN070 OVC100 50 41 71% 48 30.04 1017.1
02 00:54 E 7 10.00 Overcast FEW055 BKN070 OVC100 52 42.1 60.1 48.9 69% 30.04 1017.1
01 23:54 NE 6 10.00 Fair CLR 50 39.9 68% 48 30.04 1017.1
01 22:54 NE 6 10.00 Overcast SCT075 OVC100 54 39 57% 30.04 1017.2
01 21:54 E 3 10.00 Mostly Cloudy FEW080 BKN100 55 42.1 62% 30.04 1017.0
01 20:54 N 6 10.00 Overcast BKN080 OVC100 55 39.9 57% 30.01 1016.3
01 19:54 NW 8 10.00 Mostly Cloudy BKN080 BKN100 BKN120 57.9 35.1 42% 29.99 1015.5
01 18:54 Calm 10.00 A Few Clouds FEW100 59 32 62.1 57.9 36% 29.98 1015.0
01 17:54 NW 3 10.00 Mostly Cloudy BKN090 61 30 31% 29.98 1015.1
01 16:54 Vrbl 5 10.00 Mostly Cloudy FEW075 BKN100 62.1 30.9 31% 30 1015.8
01 15:54 NW 7 10.00 Overcast OVC100 61 28.9 30% 30.03 1016.7
Date Time (cdt) 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)