Weather observations for the past three days for
Helena Regional Airport
| 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. | ||||||||||||||||
| 25 | 06:53 | Calm | 10.00 | Fair | CLR | 63 | 48.9 | 60% | 29.97 | 1011.9 | |||||||
| 25 | 05:53 | Calm | 10.00 | Fair | CLR | 64 | 48.9 | 78.1 | 62.1 | 58% | 29.97 | 1012.0 | |||||
| 25 | 04:53 | NW 5 | 10.00 | Fair | CLR | 63 | 50 | 63% | 29.96 | 1011.8 | |||||||
| 25 | 03:53 | Calm | 10.00 | Fair | CLR | 66 | 48 | 52% | 29.97 | 1011.9 | |||||||
| 25 | 02:53 | W 5 | 10.00 | Fair | CLR | 70 | 48.9 | 47% | 29.96 | 1011.7 | |||||||
| 25 | 01:53 | Calm | 10.00 | Fair | CLR | 71.1 | 50 | 47% | 29.95 | 1011.4 | |||||||
| 25 | 00:53 | NE 5 | 10.00 | Fair | CLR | 72 | 50 | 46% | 29.95 | 1011.5 | |||||||
| 24 | 23:53 | SW 7 | 10.00 | Fair | CLR | 78.1 | 48 | 97 | 77 | 35% | 78 | 29.94 | 1010.9 | ||||
| 24 | 22:53 | W 7 | 10.00 | Fair | CLR | 78.1 | 48.9 | 36% | 79 | 29.93 | 1010.8 | ||||||
| 24 | 21:53 | SE 7 | 10.00 | Fair | CLR | 84 | 48.9 | 30% | 82 | 29.92 | 1010.4 | ||||||
| 24 | 20:53 | NW 7 | 10.00 | Fair | CLR | 86 | 48.9 | 28% | 83 | 29.89 | 1009.6 | ||||||
| 24 | 19:53 | W 12 | 10.00 | Fair | CLR | 93.9 | 43 | 17% | 90 | 29.88 | 1008.8 | ||||||
| 24 | 18:53 | W 9 | 10.00 | Fair | CLR | 96.1 | 42.1 | 15% | 92 | 29.87 | 1008.6 | ||||||
| 24 | 17:53 | W 10 G 24 | 10.00 | Fair | CLR | 97 | 44.1 | 98.1 | 81 | 16% | 93 | 29.88 | 1008.9 | ||||
| 24 | 16:53 | NW 10 G 28 | 10.00 | Fair | CLR | 97 | 46.9 | 18% | 93 | 29.9 | 1009.5 | ||||||
| 24 | 15:53 | E 7 | 10.00 | Fair | CLR | 93.9 | 54 | 26% | 92 | 29.91 | 1010.2 | ||||||
| 24 | 14:53 | E 7 | 10.00 | Fair | CLR | 91.9 | 54 | 28% | 90 | 29.94 | 1010.9 | ||||||
| 24 | 13:53 | NE 12 | 10.00 | Fair | CLR | 89.1 | 55.9 | 33% | 87 | 29.96 | 1012.0 | ||||||
| 24 | 12:53 | E 6 | 10.00 | Fair | CLR | 84.9 | 55.9 | 37% | 84 | 29.99 | 1012.8 | ||||||
| 24 | 11:53 | E 6 | 10.00 | Fair | CLR | 81 | 60.1 | 81 | 59 | 49% | 82 | 30.01 | 1014.1 | ||||
| 24 | 10:53 | Calm | 10.00 | Fair | CLR | 75.9 | 57.9 | 54% | 78 | 30.03 | 1014.7 | ||||||
| 24 | 09:53 | Calm | 10.00 | Fair | CLR | 71.1 | 59 | 66% | 30.06 | 1015.7 | |||||||
| 24 | 08:53 | NW 3 | 10.00 | Fair | CLR | 68 | 57 | 68% | 30.06 | 1015.8 | |||||||
| 24 | 07:53 | Calm | 10.00 | Fair | CLR | 64 | 55 | 73% | 30.07 | 1015.9 | |||||||
| 24 | 06:53 | W 3 | 10.00 | Fair | CLR | 61 | 55.9 | 84% | 30.06 | 1015.5 | |||||||
| 24 | 05:53 | W 6 | 10.00 | Fair | CLR | 60.1 | 54 | 73 | 60.1 | 80% | 30.04 | 1015.1 | 0.06 | ||||
| 24 | 04:53 | Calm | 10.00 | Fair | CLR | 63 | 57 | 81% | 30.04 | 1014.9 | |||||||
| 24 | 03:53 | W 7 | 10.00 | Fair | CLR | 63 | 55.9 | 78% | 30.02 | 1014.1 | |||||||
| 24 | 02:53 | S 7 | 10.00 | Fair | CLR | 66 | 57 | 73% | 30.02 | 1014.2 | 0.06 | ||||||
| 24 | 01:53 | NE 6 | 10.00 | Fair | CLR | 66 | 57 | 73% | 30.02 | 1014.1 | |||||||
| 24 | 00:53 | SE 3 | 10.00 | A Few Clouds | FEW020 | 70 | 55.9 | 61% | 30.04 | 1014.6 | 0.06 | ||||||
| 23 | 23:53 | SW 37 G 62 | 2.00 | Thunderstorm Heavy Rain and Windy | FEW032 SCT060 BKN100 | 68 | 59 | 91 | 68 | 73% | 30.07 | 1016.0 | 0.03 | 0.03 | |||
| 23 | 22:53 | W 5 | 10.00 | Fair | CLR | 75.9 | 55.9 | 50% | 78 | 29.98 | 1012.9 | ||||||
| 23 | 21:53 | NW 7 | 10.00 | Fair | CLR | 75.9 | 59 | 56% | 78 | 29.96 | 1012.2 | ||||||
| 23 | 20:53 | N 5 | 10.00 | Fair | CLR | 81 | 59 | 47% | 81 | 29.95 | 1011.9 | ||||||
| 23 | 19:53 | E 8 | 10.00 | Fair | CLR | 86 | 59 | 40% | 85 | 29.95 | 1011.6 | ||||||
| 23 | 18:53 | E 13 | 10.00 | Fair | CLR | 90 | 57 | 33% | 89 | 29.95 | 1011.6 | ||||||
| 23 | 17:53 | SE 10 | 10.00 | Fair | CLR | 90 | 57 | 91 | 81 | 33% | 89 | 29.96 | 1011.8 | ||||
| 23 | 16:53 | E 14 | 10.00 | Fair | CLR | 91 | 57.9 | 33% | 90 | 29.97 | 1012.1 | ||||||
| 23 | 15:53 | E 6 G 18 | 10.00 | Fair | CLR | 90 | 59 | 35% | 89 | 29.99 | 1012.9 | ||||||
| 23 | 14:53 | E 10 G 17 | 10.00 | Fair | CLR | 88 | 57.9 | 36% | 87 | 30.01 | 1013.6 | ||||||
| 23 | 13:53 | E 12 | 10.00 | Fair | CLR | 86 | 60.1 | 42% | 86 | 30.04 | 1014.5 | ||||||
| 23 | 12:53 | Calm | 10.00 | Fair | CLR | 82.9 | 61 | 48% | 83 | 30.06 | 1015.4 | ||||||
| 23 | 11:53 | Calm | 10.00 | Fair | CLR | 81 | 60.1 | 82 | 63 | 49% | 82 | 30.07 | 1015.9 | ||||
| 23 | 10:53 | Calm | 10.00 | Fair | CLR | 75.9 | 59 | 56% | 78 | 30.08 | 1016.5 | ||||||
| 23 | 09:53 | SE 7 | 10.00 | Fair | CLR | 75 | 61 | 62% | 77 | 30.09 | 1016.6 | ||||||
| 23 | 08:53 | Calm | 10.00 | Fair | CLR | 71.1 | 61 | 71% | 30.1 | 1016.8 | |||||||
| 23 | 07:53 | Calm | 10.00 | Fair | CLR | 68 | 61 | 78% | 30.1 | 1016.7 | |||||||
| 23 | 06:53 | Calm | 10.00 | A Few Clouds | FEW100 | 66 | 60.1 | 81% | 30.09 | 1016.4 | |||||||
| 23 | 05:53 | Calm | 10.00 | Fair | CLR | 64.9 | 60.1 | 72 | 64.9 | 84% | 30.08 | 1016.0 | |||||
| 23 | 04:53 | W 5 | 10.00 | Fair | CLR | 66 | 61 | 84% | 30.08 | 1016.1 | |||||||
| 23 | 03:53 | Calm | 10.00 | Fair | CLR | 66.9 | 61 | 81% | 30.06 | 1015.7 | |||||||
| 23 | 02:53 | W 6 | 10.00 | Fair | CLR | 66.9 | 61 | 81% | 30.06 | 1015.7 | |||||||
| 23 | 01:53 | W 3 | 10.00 | Fair | CLR | 70 | 61 | 73% | 30.08 | 1015.9 | |||||||
| 23 | 00:53 | W 8 | 10.00 | Mostly Cloudy | BKN110 | 71.1 | 62.1 | 73% | 30.07 | 1015.9 | |||||||
| 22 | 23:53 | W 12 | 10.00 | Fair | CLR | 72 | 61 | 88 | 70 | 68% | 30.06 | 1015.5 | |||||
| 22 | 22:53 | N 7 | 10.00 | Overcast | BKN080 OVC110 | 71.1 | 62.1 | 73% | 30.05 | 1015.6 | |||||||
| 22 | 21:53 | SE 16 | 10.00 | Mostly Cloudy | BKN085 BKN120 | 77 | 60.1 | 56% | 79 | 30.02 | 1014.3 | ||||||
| 22 | 20:53 | E 8 | 9.00 | Mostly Cloudy | BKN095 | 84 | 57 | 40% | 83 | 29.98 | 1012.7 | ||||||
| 22 | 19:53 | S 9 | 10.00 | A Few Clouds | FEW090 | 87.1 | 57.9 | 37% | 86 | 29.97 | 1012.2 | ||||||
| 22 | 18:53 | Calm | 10.00 | Mostly Cloudy | BKN100 | 88 | 54 | 31% | 86 | 29.98 | 1012.6 | ||||||
| 22 | 17:53 | NE 5 | 10.00 | Mostly Cloudy | BKN100 | 88 | 54 | 90 | 80.1 | 31% | 86 | 29.98 | 1012.7 | ||||
| 22 | 16:53 | Calm | 10.00 | Mostly Cloudy | BKN100 | 88 | 53.1 | 30% | 86 | 29.99 | 1012.8 | ||||||
| 22 | 15:53 | Calm | 10.00 | Fair | CLR | 87.1 | 51.1 | 29% | 85 | 30 | 1013.1 | ||||||
| 22 | 14:53 | E 3 | 10.00 | Fair | CLR | 86 | 51.1 | 30% | 84 | 30.02 | 1013.9 | ||||||
| 22 | 13:53 | Vrbl 6 | 10.00 | A Few Clouds | FEW080 | 86 | 57 | 37% | 85 | 30.05 | 1014.7 | ||||||
| 22 | 12:53 | SE 3 | 10.00 | Fair | CLR | 82.9 | 55.9 | 40% | 82 | 30.07 | 1015.4 | ||||||
| 22 | 11:53 | NE 5 | 10.00 | Fair | CLR | 80.1 | 57 | 80.1 | 66 | 45% | 80 | 30.09 | 1016.2 | ||||
| 22 | 10:53 | NE 5 | 10.00 | Fair | CLR | 77 | 57.9 | 52% | 79 | 30.1 | 1017.0 | ||||||
| 22 | 09:53 | Vrbl 3 | 10.00 | Fair | CLR | 75 | 55.9 | 52% | 78 | 30.12 | 1017.6 | ||||||
| 22 | 08:53 | N 3 | 10.00 | Fair | CLR | 72 | 55 | 55% | 30.12 | 1017.8 | |||||||
| 22 | 07:53 | NW 6 | 10.00 | Fair | CLR | 70 | 55 | 59% | 30.12 | 1017.7 | |||||||
| 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) | |||||||||||||||