Weather observations for the past three days for
Helena Regional Airport
Imperial (Metric)
Date Time (mdt) 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.
21 15:53 Vrbl 6 10.00 Fair CLR 91.9 42.1 18% 88 30.13 1017.8
21 14:53 N 5 10.00 Fair CLR 89.1 45 22% 86 30.16 1018.9
21 13:53 N 5 10.00 Fair CLR 84 42.1 23% 81 30.19 1020.2
21 12:53 Calm 10.00 Fair CLR 81 46 29% 80 30.2 1020.4
21 11:53 N 6 10.00 Fair CLR 77 48 77 63 36% 78 30.21 1021.1
21 10:53 NW 5 10.00 Fair CLR 75 48 39% 77 30.22 1021.3
21 09:53 Vrbl 3 10.00 Fair CLR 72 46.9 41% 30.23 1021.3
21 08:53 W 6 10.00 Fair CLR 69.1 46.9 45% 30.23 1021.4
21 07:53 W 8 10.00 Fair CLR 66 46 49% 30.22 1021.1
21 06:53 W 9 10.00 Fair CLR 63 43 48% 30.2 1020.3
21 05:53 W 8 10.00 Fair CLR 63 39 73.9 62.1 41% 30.17 1019.2
21 04:53 W 8 10.00 Fair CLR 64.9 37.9 37% 30.15 1018.3
21 03:53 SW 5 10.00 Fair CLR 64 39 40% 30.13 1017.9
21 02:53 W 10 10.00 Fair CLR 66 37.9 36% 30.11 1017.1
21 01:53 W 8 10.00 Fair CLR 64 39 40% 30.1 1017.1
21 00:53 W 8 10.00 Fair CLR 69.1 37.9 32% 30.09 1016.8
20 23:53 W 8 10.00 Fair CLR 71.1 39 93 71.1 31% 30.08 1016.4
20 22:53 W 7 10.00 Fair CLR 73.9 37.9 27% 30.07 1016.4
20 21:53 SW 12 10.00 Fair CLR 79 36 21% 78 30.05 1015.7
20 20:53 SW 7 10.00 Fair CLR 82.9 42.1 24% 81 30.03 1015.2
20 19:53 E 3 10.00 Fair CLR 84.9 42.1 22% 82 30.02 1014.7
20 18:53 E 5 10.00 Fair CLR 90 37.9 16% 86 30.02 1014.6
20 17:53 E 8 10.00 Fair CLR 93 35.1 93.9 75.9 13% 89 30.02 1014.5
20 16:53 E 9 10.00 Fair CLR 93 36 13% 89 30.02 1014.4
20 15:53 E 10 10.00 Fair CLR 91.9 37 14% 88 30.04 1014.9
20 14:53 Vrbl 3 10.00 Fair CLR 90 39.9 17% 86 30.06 1015.7
20 13:53 Calm 10.00 Fair CLR 84.9 43 23% 82 30.08 1016.4
20 12:53 Vrbl 6 10.00 Fair CLR 80.1 46 30% 79 30.1 1017.4
20 11:53 Calm 10.00 Fair CLR 75.9 42.1 75.9 53.1 30% 77 30.13 1018.6
20 10:53 Calm 8.00 Fair CLR 70 41 35% 30.14 1019.1
20 09:53 Calm 10.00 Fair CLR 64 42.1 45% 30.14 1019.1
20 08:53 Calm 10.00 Fair CLR 57.9 42.1 56% 30.14 1019.4
20 07:53 Calm 10.00 Fair CLR 55.9 43 62% 30.14 1019.3
20 06:53 Calm 10.00 Fair CLR 55.9 41 57% 30.14 1019.1
20 05:53 Calm 10.00 Fair CLR 54 42.1 66.9 54 64% 30.12 1018.4
20 04:53 Calm 10.00 Fair CLR 55.9 41 57% 30.11 1017.7
20 03:53 Calm 10.00 Fair CLR 59 37.9 46% 30.1 1017.2
20 02:53 W 3 10.00 Fair CLR 61 39 44% 30.09 1016.9
20 01:53 Calm 10.00 Fair CLR 62.1 39.9 44% 30.09 1016.8
20 00:53 W 6 10.00 Fair CLR 66 39 37% 30.08 1016.5
19 23:53 NW 8 10.00 Fair CLR 63 39 88 63 41% 30.07 1016.8
19 22:53 Calm 10.00 Fair CLR 69.1 39.9 35% 30.07 1016.5
19 21:53 W 7 10.00 Fair CLR 75 39 27% 77 30.06 1016.3
19 20:53 Calm 10.00 Fair CLR 79 37.9 23% 78 30.03 1015.5
19 19:53 NW 5 10.00 Fair CLR 80.1 39.9 24% 79 30.01 1014.7
19 18:53 W 8 10.00 Fair CLR 86 33.1 15% 83 30.01 1014.5
19 17:53 W 13 G 21 10.00 Fair CLR 88 33.1 89.1 73.9 14% 84 30.01 1014.5
19 16:53 W 12 G 23 10.00 Fair CLR 88 30.9 13% 84 30.02 1014.5
19 15:53 W 14 10.00 Fair CLR 88 30 12% 84 30.03 1014.8
19 14:53 W 16 G 24 10.00 Fair CLR 87.1 34 15% 84 30.05 1015.4
19 13:53 NW 14 10.00 Fair CLR 84 37.9 19% 81 30.06 1015.9
19 12:53 Vrbl 7 10.00 Fair CLR 81 42.1 25% 79 30.08 1016.8
19 11:53 Vrbl 3 10.00 Fair CLR 73.9 48 73.9 51.1 40% 30.1 1017.7
19 10:53 Vrbl 3 10.00 Fair CLR 70 48 46% 30.1 1018.1
19 09:53 Calm 10.00 Fair CLR 63 48.9 60% 30.11 1018.6
19 08:53 Calm 10.00 Fair CLR 59 48.9 69% 30.12 1018.7
19 07:53 NE 3 10.00 Fair CLR 57 46 67% 30.11 1018.4
19 06:53 Calm 10.00 Fair CLR 54 46 75% 30.11 1018.4
19 05:53 Calm 10.00 Fair CLR 54 44.1 64.9 54 69% 30.09 1017.7
19 04:53 Calm 10.00 Fair CLR 57.9 45 62% 30.09 1017.3
19 03:53 Calm 10.00 Fair CLR 57 46 67% 30.08 1017.1
19 02:53 Calm 10.00 Fair CLR 60.1 46.9 62% 30.07 1016.7
19 01:53 Calm 10.00 Fair CLR 62.1 46 56% 30.07 1016.6
19 00:53 Calm 10.00 Fair CLR 62.1 45 54% 30.07 1016.7
18 23:53 Calm 10.00 Fair CLR 64.9 45 81 64 49% 30.06 1016.4
18 22:53 NW 5 10.00 Fair CLR 66 44.1 45% 30.05 1016.2
18 21:53 SW 7 10.00 Fair CLR 71.1 42.1 35% 30.04 1015.6
18 20:53 S 6 10.00 Fair CLR 75 43 32% 77 30.02 1015.0
18 19:53 E 5 10.00 Fair CLR 78.1 44.1 30% 78 30.01 1014.7
18 18:53 N 8 10.00 Fair CLR 79 41 26% 78 30.02 1014.8
18 17:53 SE 7 10.00 A Few Clouds FEW110 81 43 84.9 75 26% 80 30.01 1014.5
18 16:53 SE 8 10.00 Mostly Cloudy BKN110 82 43 25% 80 30.01 1014.4
Date Time (mdt) 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)