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.
31 12:53 Vrbl 5 10.00 Fair CLR 84 53.1 34% 83 30.18 1019.7
31 11:53 NE 6 10.00 Fair CLR 80.1 55 80.1 57 42% 80 30.2 1020.4
31 10:53 E 7 10.00 Fair CLR 75 54 48% 78 30.21 1021.2
31 09:53 Vrbl 3 10.00 Fair CLR 69.1 54 59% 30.22 1021.4
31 08:53 Calm 10.00 Fair CLR 66 52 61% 30.22 1021.2
31 07:53 Calm 10.00 Fair CLR 64 50 60% 30.21 1020.7
31 06:53 Calm 10.00 Fair CLR 59 48.9 69% 30.2 1020.6
31 05:53 S 5 10.00 Fair CLR 60.1 50 72 59 70% 30.21 1020.8
31 04:53 W 5 10.00 Fair CLR 59 51.1 75% 30.19 1020.2
31 02:53 Calm 10.00 Fair CLR 66 51.1 59% 30.17 1019.0
31 01:53 S 3 10.00 Fair CLR 68 52 57% 30.16 1018.6
31 00:53 W 12 10.00 Fair CLR 68 53.1 59% 30.14 1018.4
30 23:53 SE 13 G 22 10.00 Fair CLR 70 54 91.9 69.1 57% 30.13 1018.0 0.03
30 22:53 SE 16 10.00 Fair CLR 70 54 57% 30.15 1019.1
30 21:53 SW 14 G 32 10.00 Thunderstorm OVC100 77 48.9 37% 78 30.15 1018.7 0.03
30 20:53 Calm 10.00 Fair CLR 84.9 45 25% 82 30.01 1013.9
30 19:53 S 7 10.00 Fair CLR 90 39.9 17% 86 29.98 1012.6
30 18:53 SE 7 10.00 Fair CLR 91 41 17% 87 29.98 1012.8
30 17:53 SE 13 10.00 Fair CLR 93 44.1 95 82.9 18% 89 29.97 1012.1
30 16:53 E 10 10.00 Fair CLR 91.9 39.9 16% 88 29.97 1012.4
30 15:53 Vrbl 3 10.00 Fair CLR 93 41 16% 89 29.98 1012.4
30 14:53 E 7 10.00 Fair CLR 93 44.1 18% 89 30 1012.8
30 13:53 SE 6 10.00 Fair CLR 90 46 22% 87 30.01 1013.3
30 12:53 S 5 10.00 Fair CLR 86 46.9 26% 83 30.03 1014.2
30 11:53 E 5 10.00 Fair CLR 82.9 48 82.9 60.1 30% 81 30.05 1014.9
30 10:53 Calm 10.00 Fair CLR 77 48.9 37% 78 30.06 1015.2
30 09:53 N 3 10.00 Fair CLR 73 48.9 43% 30.06 1015.4
30 08:53 Calm 10.00 Fair CLR 69.1 48 47% 30.06 1015.2
30 07:53 N 3 10.00 Fair CLR 66 48 52% 30.05 1014.9
30 06:53 W 7 10.00 Fair CLR 61 46 58% 30.03 1014.6
30 05:53 N 3 10.00 Fair CLR 63 46 75 61 54% 30.03 1014.3
30 04:53 W 7 10.00 Fair CLR 62.1 46 56% 30.01 1013.6
30 03:53 W 10 10.00 Fair CLR 66.9 46.9 49% 29.99 1012.6
30 02:53 W 10 10.00 Fair CLR 69.1 46.9 45% 29.98 1012.4
30 01:53 Calm 10.00 Fair CLR 71.1 46.9 42% 29.98 1012.4
30 00:53 SW 6 10.00 Fair CLR 73.9 48 40% 29.97 1011.9
29 23:53 W 6 10.00 Fair CLR 75 48 93 73.9 39% 77 29.96 1011.7
29 22:53 N 5 10.00 Fair CLR 81 41 24% 79 29.94 1010.9
29 21:53 W 8 10.00 A Few Clouds FEW120 82 39.9 22% 80 29.93 1010.9
29 20:53 W 5 10.00 Smoke FEW120 86 39.9 20% 83 29.9 1009.6
29 19:53 NW 10 8.00 Smoke CLR 90 42.1 19% 86 29.87 1008.6
29 18:53 N 5 9.00 Smoke CLR 91 37.9 15% 87 29.87 1009.0
29 17:53 NE 5 9.00 Smoke CLR 91.9 39 93 82 16% 88 29.87 1008.9
29 16:53 NE 10 8.00 Smoke CLR 93 39.9 16% 89 29.88 1008.8
29 15:53 E 13 8.00 Smoke CLR 91.9 42.1 18% 88 29.9 1009.6
29 14:53 E 9 8.00 Smoke CLR 91 43 19% 87 29.92 1010.3
29 13:53 E 7 8.00 Smoke CLR 89.1 42.1 19% 85 29.94 1011.0
29 12:53 NE 7 6.00 Smoke CLR 86 41 20% 83 29.96 1011.8
29 11:53 Calm 8.00 Smoke CLR 82 44.1 82.9 57.9 26% 80 29.98 1012.8
29 10:53 Calm 8.00 Smoke CLR 78.1 45 31% 78 29.99 1013.2
29 09:53 NE 5 8.00 Smoke CLR 73 48 41% 30.01 1013.4
29 08:53 Calm 8.00 Smoke CLR 69.1 45 42% 30.01 1013.7
29 07:53 Calm 8.00 Smoke CLR 64.9 43 45% 30 1013.5
29 06:53 E 3 7.00 Smoke CLR 59 43 56% 29.99 1013.3
29 05:53 Calm 9.00 Smoke CLR 63 41 73 62.1 45% 29.99 1012.7
29 04:53 Calm 9.00 Smoke CLR 64 39.9 41% 29.97 1012.0
29 03:53 Calm 9.00 Smoke CLR 66.9 41 39% 29.95 1011.2
29 02:53 Calm 9.00 Smoke CLR 66.9 39.9 37% 29.95 1011.4
29 01:53 Calm 9.00 Smoke CLR 68 39 35% 29.96 1011.6
29 00:53 Calm 9.00 Smoke CLR 71.1 39.9 32% 29.96 1011.8
28 23:53 W 8 9.00 Smoke CLR 70 41 93 69.1 35% 29.95 1012.0
28 22:53 Calm 10.00 Smoke CLR 75 39 27% 77 29.94 1011.6
28 21:53 W 7 10.00 Smoke CLR 82 37 20% 80 29.92 1010.7
28 20:53 NW 8 9.00 Smoke CLR 84 36 18% 81 29.89 1009.9
28 19:53 NW 12 9.00 Smoke CLR 88 39 18% 84 29.88 1009.4
28 18:53 N 5 8.00 Smoke CLR 91.9 39 16% 88 29.89 1009.3
28 17:53 E 7 9.00 Smoke CLR 93 39.9 93.9 80.1 16% 89 29.89 1009.7
28 16:53 E 10 G 18 9.00 Smoke CLR 93 42.1 17% 89 29.9 1009.9
28 15:53 E 8 G 16 9.00 Smoke CLR 91.9 44.1 19% 88 29.93 1010.6
28 14:53 NE 15 9.00 Smoke CLR 91 48 23% 88 29.95 1011.5
28 13:53 E 12 G 17 9.00 Smoke CLR 89.1 50 26% 86 29.97 1012.0
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)