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. | ||||||||||||||||
| 22 | 16:53 | W 23 G 32 | 10.00 | Overcast and Breezy | OVC090 | 57 | 37 | 47% | 29.51 | 999.6 | |||||||
| 22 | 15:53 | W 26 G 39 | 10.00 | A Few Clouds and Windy | FEW110 | 61 | 37 | 41% | 29.49 | 998.2 | |||||||
| 22 | 14:53 | W 25 G 38 | 10.00 | Partly Cloudy and Breezy | SCT095 | 62.1 | 36 | 38% | 29.49 | 998.2 | |||||||
| 22 | 13:53 | W 20 | 10.00 | Fair | CLR | 64 | 37.9 | 38% | 29.47 | 997.3 | |||||||
| 22 | 12:53 | W 23 G 33 | 10.00 | Thunderstorm in Vicinity and Breezy | BKN075 | 63 | 37.9 | 40% | 29.49 | 997.8 | |||||||
| 22 | 11:53 | S 18 G 29 | 10.00 | A Few Clouds | FEW120 | 64.9 | 26.1 | 68 | 42.1 | 23% | 29.49 | 997.2 | |||||
| 22 | 10:53 | S 18 G 29 | 10.00 | Fair | CLR | 66.9 | 28.9 | 24% | 29.48 | 996.8 | |||||||
| 22 | 09:53 | S 24 G 38 | 10.00 | Fair and Breezy | CLR | 66.9 | 27 | 22% | 29.48 | 996.5 | |||||||
| 22 | 08:53 | NE 5 | 10.00 | Fair | CLR | 53.1 | 33.1 | 47% | 29.48 | 997.1 | |||||||
| 22 | 07:53 | Calm | 10.00 | Fair | CLR | 46 | 33.1 | 61% | 29.49 | 997.9 | |||||||
| 22 | 06:53 | Calm | 10.00 | Fair | CLR | 46.9 | 30 | 52% | 29.49 | 997.4 | |||||||
| 22 | 05:53 | SW 5 | 10.00 | Fair | CLR | 48 | 30 | 63 | 45 | 50% | 47 | 29.49 | 997.3 | ||||
| 22 | 04:53 | Calm | 10.00 | Fair | CLR | 48 | 30 | 50% | 29.5 | 997.7 | |||||||
| 22 | 03:53 | SW 3 | 10.00 | Fair | CLR | 52 | 28.9 | 41% | 29.51 | 997.8 | |||||||
| 22 | 02:53 | Calm | 10.00 | Fair | CLR | 52 | 30 | 43% | 29.52 | 998.2 | |||||||
| 22 | 01:53 | E 3 | 10.00 | Fair | CLR | 53.1 | 30 | 41% | 29.54 | 999.0 | |||||||
| 22 | 00:53 | NW 3 | 10.00 | Fair | CLR | 57.9 | 27 | 31% | 29.55 | 999.7 | |||||||
| 21 | 23:53 | SW 7 | 10.00 | Fair | CLR | 62.1 | 26.1 | 78.1 | 61 | 25% | 29.56 | 1000.0 | |||||
| 21 | 22:53 | S 10 | 10.00 | Fair | CLR | 63 | 27 | 26% | 29.58 | 1000.8 | |||||||
| 21 | 21:53 | S 9 | 10.00 | Fair | CLR | 68 | 25 | 20% | 29.59 | 1001.3 | |||||||
| 21 | 20:53 | S 16 G 28 | 10.00 | Fair | CLR | 73 | 23 | 15% | 29.59 | 1001.2 | |||||||
| 21 | 19:53 | S 12 G 22 | 10.00 | Fair | CLR | 73.9 | 24.1 | 15% | 29.6 | 1001.9 | |||||||
| 21 | 18:53 | S 12 | 10.00 | Fair | CLR | 77 | 25 | 14% | 76 | 29.63 | 1002.9 | ||||||
| 21 | 17:53 | S 14 G 23 | 10.00 | Fair | CLR | 78.1 | 21 | 82 | 62.1 | 12% | 77 | 29.66 | 1003.5 | ||||
| 21 | 16:53 | S 18 G 29 | 10.00 | Fair | CLR | 79 | 21 | 11% | 77 | 29.66 | 1003.8 | ||||||
| 21 | 15:53 | SW 15 G 24 | 10.00 | Fair | CLR | 80.1 | 23 | 12% | 78 | 29.68 | 1003.9 | ||||||
| 21 | 14:53 | E 21 G 31 | 10.00 | Fair and Breezy | CLR | 80.1 | 30 | 16% | 78 | 29.71 | 1004.9 | ||||||
| 21 | 13:53 | E 12 | 10.00 | Fair | CLR | 75.9 | 32 | 20% | 76 | 29.74 | 1006.0 | ||||||
| 21 | 12:53 | Vrbl 3 | 10.00 | Fair | CLR | 66 | 34 | 30% | 29.79 | 1008.6 | |||||||
| 21 | 11:53 | Vrbl 5 | 10.00 | Fair | CLR | 62.1 | 32 | 62.1 | 39.9 | 32% | 29.83 | 1009.9 | |||||
| 21 | 10:53 | Vrbl 3 | 10.00 | Fair | CLR | 57.9 | 30.9 | 36% | 29.85 | 1010.4 | |||||||
| 21 | 09:53 | N 3 | 10.00 | Fair | CLR | 52 | 32 | 47% | 29.87 | 1011.3 | |||||||
| 21 | 08:53 | E 3 | 10.00 | Fair | CLR | 46.9 | 32 | 56% | 29.89 | 1012.2 | |||||||
| 21 | 07:53 | Calm | 10.00 | Fair | CLR | 44.1 | 30.9 | 60% | 29.89 | 1012.1 | |||||||
| 21 | 06:53 | Calm | 10.00 | Fair | CLR | 41 | 30 | 65% | 29.89 | 1012.3 | |||||||
| 21 | 05:53 | Calm | 10.00 | Fair | CLR | 43 | 30 | 55 | 43 | 60% | 29.88 | 1011.5 | |||||
| 21 | 04:53 | Calm | 10.00 | Fair | CLR | 43 | 30 | 60% | 29.88 | 1011.5 | |||||||
| 21 | 03:53 | Calm | 10.00 | Fair | CLR | 45 | 30 | 56% | 29.87 | 1011.0 | |||||||
| 21 | 02:53 | Calm | 10.00 | Fair | CLR | 45 | 30 | 56% | 29.86 | 1011.0 | |||||||
| 21 | 01:53 | Calm | 10.00 | Fair | CLR | 51.1 | 28.9 | 43% | 29.86 | 1010.6 | |||||||
| 21 | 00:53 | S 5 | 10.00 | Fair | CLR | 50 | 30.9 | 48% | 49 | 29.85 | 1010.5 | ||||||
| 20 | 23:53 | Calm | 10.00 | Fair | CLR | 54 | 30 | 73.9 | 53.1 | 40% | 29.84 | 1010.0 | |||||
| 20 | 22:53 | Calm | 10.00 | Fair | CLR | 59 | 28.9 | 32% | 29.83 | 1009.8 | |||||||
| 20 | 21:53 | W 8 | 10.00 | Fair | CLR | 61 | 30 | 31% | 29.82 | 1009.7 | |||||||
| 20 | 19:53 | SW 3 | 10.00 | Fair | CLR | 72 | 27 | 19% | 29.79 | 1008.5 | |||||||
| 20 | 18:53 | SE 7 | 10.00 | Fair | CLR | 73 | 23 | 15% | 29.81 | 1009.4 | |||||||
| 20 | 17:53 | SE 7 | 10.00 | Fair | CLR | 73.9 | 23 | 75 | 63 | 15% | 29.82 | 1009.4 | |||||
| 20 | 16:53 | Vrbl 6 | 10.00 | Fair | CLR | 73.9 | 24.1 | 15% | 29.83 | 1009.5 | |||||||
| 20 | 15:53 | NE 8 | 10.00 | Fair | CLR | 73.9 | 24.1 | 15% | 29.85 | 1010.2 | |||||||
| 20 | 14:53 | E 8 | 10.00 | Fair | CLR | 73 | 25 | 17% | 29.86 | 1010.8 | |||||||
| 20 | 12:53 | NE 6 | 10.00 | Fair | CLR | 68 | 30 | 24% | 29.9 | 1012.4 | |||||||
| 20 | 11:53 | Calm | 10.00 | Fair | CLR | 64 | 30.9 | 64 | 39.9 | 29% | 29.93 | 1013.5 | |||||
| 20 | 10:53 | Calm | 10.00 | Fair | CLR | 57 | 30.9 | 37% | 29.94 | 1014.1 | |||||||
| 20 | 09:53 | NW 5 | 10.00 | Fair | CLR | 52 | 33.1 | 49% | 29.95 | 1015.0 | |||||||
| 20 | 08:53 | N 3 | 10.00 | Fair | CLR | 48 | 33.1 | 56% | 29.95 | 1014.8 | |||||||
| 20 | 07:53 | Calm | 10.00 | Fair | CLR | 44.1 | 32 | 63% | 29.96 | 1015.1 | |||||||
| 20 | 06:53 | Calm | 10.00 | Fair | CLR | 43 | 28.9 | 58% | 29.95 | 1014.7 | |||||||
| 20 | 05:53 | Calm | 10.00 | Fair | CLR | 44.1 | 30 | 51.1 | 41 | 58% | 29.95 | 1014.2 | |||||
| 20 | 04:53 | Calm | 10.00 | Fair | CLR | 45 | 28.9 | 54% | 29.95 | 1014.1 | |||||||
| 20 | 03:53 | Calm | 10.00 | Fair | CLR | 46 | 28.9 | 51% | 29.95 | 1014.1 | |||||||
| 20 | 02:53 | Calm | 10.00 | Fair | CLR | 46 | 28.9 | 51% | 29.94 | 1014.2 | |||||||
| 20 | 01:53 | Calm | 10.00 | Fair | CLR | 50 | 27 | 41% | 29.93 | 1013.8 | |||||||
| 20 | 00:53 | SW 5 | 10.00 | Fair | CLR | 50 | 28 | 43% | 49 | 29.92 | 1013.7 | ||||||
| 19 | 21:53 | Vrbl 3 | 10.00 | Fair | CLR | 53.1 | 27 | 37% | 29.9 | 1014.1 | |||||||
| 19 | 20:53 | W 8 | 10.00 | Fair | CLR | 59 | 26.1 | 28% | 29.88 | 1013.2 | |||||||
| 19 | 19:53 | S 6 | 10.00 | Fair | CLR | 64 | 26.1 | 24% | 29.88 | 1013.0 | |||||||
| 19 | 18:53 | E 8 | 10.00 | Fair | CLR | 66 | 23 | 19% | 29.91 | 1014.6 | |||||||
| 19 | 17:53 | E 13 | 10.00 | Fair | CLR | 69.1 | 23 | 69.1 | 55 | 17% | 29.92 | 1014.1 | |||||
| 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) | |||||||||||||||