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.
19 03:54 E 5 10.00 Fair CLR 37.9 35.1 89% 35 30.01 1016.1
19 02:54 NE 3 10.00 Fair CLR 41 37.9 89% 30.03 1016.8
19 01:54 NE 5 10.00 Fair CLR 42.1 39 89% 40 30.03 1016.7
19 00:54 E 3 10.00 Fair CLR 45 39 62.1 43 80% 30.03 1016.9
18 23:54 NE 5 10.00 Fair CLR 44.1 39.9 85% 42 30.04 1017.4
18 22:54 E 5 10.00 Fair CLR 46 39 77% 44 30.05 1017.7
18 21:54 E 6 10.00 Fair CLR 46.9 39 74% 45 30.04 1017.3
18 20:54 NE 3 10.00 Fair CLR 51.1 39 64% 30.03 1016.7
18 19:54 E 3 10.00 Fair CLR 53.1 42.1 66% 30.01 1016.3
18 18:54 Calm 10.00 Fair CLR 62.1 39 66.9 60.1 43% 29.99 1015.6
18 17:54 W 6 10.00 Fair CLR 66.9 36 32% 29.99 1015.4
18 16:54 W 6 10.00 Fair CLR 66.9 34 30% 29.98 1015.2
18 15:54 SW 8 10.00 Fair CLR 66 33.1 29% 29.98 1015.2
18 14:54 NW 10 10.00 Fair CLR 64.9 35.1 33% 29.99 1015.6
18 13:54 W 8 10.00 Fair CLR 63 30.9 30% 30 1015.7
18 12:54 Calm 0.00 NULL NULL 60.1 28.9 60.1 34 31% 30 1015.8
18 11:54 SW 9 10.00 Fair CLR 55 28.9 37% 30.01 1016.2
18 10:54 S 9 10.00 Fair CLR 51.1 28 41% 30.01 1016.3
18 09:54 S 10 10.00 Fair CLR 46 28.9 51% 42 30.01 1016.5
18 08:54 SE 7 10.00 Fair CLR 39.9 27 60% 36 30.02 1016.6
18 07:54 SE 5 10.00 Fair CLR 35.1 25 67% 32 30.01 1016.5
18 06:54 SE 8 10.00 Overcast OVC085 35.1 24.1 35.1 33.1 64% 29 30.01 1016.4 0.01
18 05:54 SE 8 10.00 Overcast BKN080 OVC110 34 24.1 67% 28 30.01 1016.3 0.01
18 04:54 SE 10 10.00 Unknown Precip OVC070 34 24.1 67% 27 30.02 1016.8
18 03:54 S 10 10.00 Overcast FEW065 SCT085 OVC110 35.1 19 52% 28 30.03 1017.3
18 02:54 SE 8 10.00 Overcast BKN070 OVC085 34 19 54% 28 30.05 1017.9
18 01:54 SE 8 10.00 Overcast BKN070 OVC085 34 19.9 56% 28 30.08 1018.9
18 00:54 SE 12 10.00 Mostly Cloudy FEW070 BKN100 33.1 19 34 32 56% 25 30.09 1019.2
17 23:54 SE 13 10.00 Mostly Cloudy BKN080 34 19 54% 26 30.11 1020.0
17 22:54 SE 12 10.00 Overcast BKN055 OVC065 34 18 52% 26 30.13 1020.8
17 21:54 SE 14 10.00 Overcast BKN055 OVC075 34 16 48% 25 30.15 1021.3
17 20:54 SE 10 10.00 Overcast OVC050 33.1 12 42% 26 30.16 1022.0
17 19:54 SE 7 10.00 Overcast FEW065 OVC085 33.1 12.9 43% 28 30.16 1021.9
17 18:54 S 6 10.00 Overcast OVC080 32 7 32 24.1 35% 27 30.17 1022.2
17 17:54 S 9 10.00 Overcast OVC080 32 3.9 30% 25 30.19 1022.7
17 16:54 SE 3 10.00 Mostly Cloudy BKN110 30.9 5 33% 30.2 1023.2
17 15:54 SW 6 10.00 Fair CLR 30.9 3 30% 26 30.22 1024.0
17 14:54 SW 6 10.00 Fair CLR 28.9 3.9 34% 23 30.26 1025.2
17 13:54 SW 6 10.00 Fair CLR 27 3.9 37% 21 30.28 1025.8
17 12:54 SW 8 10.00 Fair CLR 25 8.1 25 14 48% 17 30.28 1025.9
17 11:54 Vrbl 6 10.00 Fair CLR 23 7 50% 17 30.29 1026.1
17 10:54 SW 8 10.00 Fair CLR 19.9 3 48% 11 30.31 1026.7
17 09:54 NW 6 10.00 Fair CLR 19 3 49% 12 30.31 1026.7
17 08:54 NW 10 10.00 Fair CLR 17.1 3 54% 6 30.28 1025.9
17 07:54 NW 9 10.00 Fair CLR 15.1 3 59% 4 30.26 1025.1
17 06:54 NW 12 10.00 Fair CLR 15.1 3.9 21 15.1 61% 3 30.24 1024.6
17 05:54 N 10 10.00 Fair CLR 16 6.1 65% 5 30.22 1023.8
17 04:54 N 12 10.00 Partly Cloudy SCT023 17.1 6.1 62% 5 30.19 1023.0
17 03:54 NW 16 10.00 Fair CLR 19 6.1 57% 5 30.18 1022.5
17 02:54 NW 16 G 28 10.00 Fair CLR 19.9 5 52% 7 30.17 1022.2
17 01:54 NW 18 G 25 10.00 Fair CLR 19.9 6.1 55% 6 30.16 1021.7
17 00:54 NW 14 10.00 Fair CLR 21 8.1 25 21 57% 9 30.16 1021.7
16 23:54 NW 17 10.00 Fair CLR 21.9 9 57% 9 30.16 1021.7
16 22:54 NW 15 G 26 10.00 A Few Clouds FEW047 23 8.1 53% 11 30.15 1021.4
16 21:54 W 22 G 33 10.00 Mostly Cloudy and Breezy BKN050 24.1 7 48% 10 30.15 1021.5
16 20:54 W 16 10.00 Overcast FEW029 OVC049 25 12 58% 13 30.14 1021.1
16 19:54 W 20 G 28 8.00 Light Snow OVC035 25 14 63% 12 30.13 1020.7
16 18:54 W 20 G 30 10.00 Overcast OVC033 25 14 27 24.1 63% 12 30.1 1019.9
16 17:54 W 22 G 33 10.00 Overcast and Breezy OVC033 26.1 14 60% 13 30.09 1019.4
16 16:54 W 18 G 33 10.00 Overcast OVC033 27 14 58% 15 30.06 1018.5
16 15:54 W 30 G 37 10.00 Overcast and Windy BKN031 OVC046 26.1 14 60% 10 30.04 1017.8
16 14:54 W 25 G 35 10.00 Overcast and Breezy OVC029 26.1 15.1 63% 12 30.02 1017.1
16 13:54 W 24 G 40 10.00 Overcast and Breezy BKN029 OVC034 24.1 12.9 62% 9 30.01 1016.5
16 12:54 W 24 G 37 10.00 Overcast and Breezy BKN029 OVC034 24.1 14 24.1 19.9 65% 9 30 1016.2
16 11:54 W 25 G 40 9.00 Light Snow and Breezy OVC027 21.9 12 66% 6 29.99 1015.9
16 10:54 W 29 G 38 5.00 Light Snow and Windy OVC027 21.9 12.9 68% 5 29.99 1015.7
16 09:54 W 25 G 39 5.00 Light Snow and Breezy BKN024 OVC033 19.9 10.9 68% 3 29.97 1015.1
16 08:54 W 22 G 33 2.50 Light Snow and Breezy SCT021 OVC027 19.9 14 78% 5 29.95 1014.6
16 07:54 W 28 G 37 4.00 Light Snow and Windy BKN023 OVC030 21 14 74% 4 29.92 1013.6
16 06:54 NW 26 G 40 7.00 Light Snow and Windy SCT024 OVC030 23 15.1 34 23 72% 7 29.88 1012.0
16 05:54 NW 23 G 46 6.00 Light Snow and Breezy BKN025 OVC032 24.1 17.1 75% 10 29.82 1010.2
16 04:54 NW 28 G 43 8.00 Light Snow and Windy BKN023 OVC029 26.1 18 71% 11 29.77 1008.4
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)