Weather observations for the past three days for
Helena Regional Airport
| Date | Time (mst) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Temperature (ºC) | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | Pressure | Precipitation (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 24 | 23:53 | SW 7 | 16.09 | Overcast | BKN075 OVC110 | 5.6 | 2.8 | 82% | 4 | 75.29 | 1006.5 | ||||||
| 24 | 22:53 | W 11 | 16.09 | Overcast | OVC070 | 6.1 | 1.7 | 11.1 | 2.8 | 74% | 4 | 75.29 | 1006.3 | ||||
| 24 | 21:53 | W 7 | 16.09 | Overcast | BKN080 OVC110 | 5 | 1.1 | 76% | 4 | 75.26 | 1006.7 | ||||||
| 24 | 20:53 | Calm | 16.09 | Overcast | OVC100 | 7.2 | 1.1 | 66% | 75.34 | 1007.5 | |||||||
| 24 | 19:53 | Vrbl 7 | 16.09 | Overcast | OVC110 | 8.9 | 1.7 | 61% | 8 | 75.39 | 1007.9 | ||||||
| 24 | 18:53 | Vrbl 7 | 16.09 | Overcast | OVC085 | 6.1 | 0.6 | 68% | 5 | 75.39 | 1008.6 | ||||||
| 24 | 17:53 | NE 7 | 16.09 | Overcast | OVC090 | 4.4 | 0 | 73% | 3 | 75.41 | 1009.0 | ||||||
| 24 | 16:53 | Calm | 16.09 | Fair | CLR | 3.3 | 0 | 8.9 | 1.7 | 79% | 75.44 | 1009.8 | |||||
| 24 | 15:53 | SW 6 | 16.09 | A Few Clouds | FEW110 | 5 | 0 | 70% | 75.46 | 1010.0 | |||||||
| 24 | 14:53 | Calm | 16.09 | Fair | CLR | 5 | 1.1 | 76% | 75.54 | 1010.7 | |||||||
| 24 | 13:53 | E 7 | 16.09 | Fair | CLR | 4.4 | 0.6 | 77% | 3 | 75.59 | 1011.8 | ||||||
| 24 | 12:53 | W 13 | 16.09 | Fair | CLR | 5 | 0 | 70% | 2 | 75.64 | 1012.1 | ||||||
| 24 | 11:53 | Calm | 16.09 | Fair | CLR | 2.2 | 0.6 | 89% | 75.67 | 1013.0 | |||||||
| 24 | 10:53 | SE 6 | 16.09 | Fair | CLR | 2.2 | -0.6 | 2.2 | -2.8 | 82% | 75.79 | 1014.8 | |||||
| 24 | 09:53 | Calm | 16.09 | Fair | CLR | 0 | -1.1 | 92% | 75.77 | 1014.6 | |||||||
| 24 | 08:53 | Calm | 16.09 | Fair | CLR | -1.7 | -2.8 | 92% | 75.82 | 1015.7 | |||||||
| 24 | 07:53 | W 7 | 16.09 | Fair | CLR | -1.7 | -2.8 | 92% | -4 | 75.82 | 1015.5 | ||||||
| 24 | 06:53 | Calm | 16.09 | Fair | CLR | -2.2 | -3.3 | 92% | 75.79 | 1015.7 | |||||||
| 24 | 05:53 | NW 7 | 16.09 | Fair | CLR | -1.7 | -2.8 | 92% | -4 | 75.84 | 1015.6 | ||||||
| 24 | 04:53 | SE 9 | 16.09 | Fair | CLR | -2.2 | -2.8 | 0 | -2.8 | 96% | -5 | 75.79 | 1015.4 | ||||
| 24 | 03:53 | Calm | 16.09 | Fair | CLR | -2.2 | -2.8 | 96% | 75.79 | 1015.0 | |||||||
| 24 | 02:53 | SW 6 | 16.09 | A Few Clouds | FEW100 | -2.2 | -2.8 | 96% | 75.84 | 1015.5 | |||||||
| 24 | 01:53 | Calm | 16.09 | Fair | CLR | -2.2 | -2.8 | 96% | 75.82 | 1015.5 | |||||||
| 24 | 00:53 | Calm | 16.09 | Fair | CLR | -1.7 | -2.8 | 92% | 75.82 | 1015.4 | |||||||
| 23 | 23:53 | Calm | 16.09 | Fair | CLR | -1.1 | -2.2 | 92% | 75.82 | 1015.4 | |||||||
| 23 | 22:53 | Calm | 16.09 | Fair | CLR | -1.7 | -2.8 | 1.1 | -2.2 | 92% | 75.82 | 1016.0 | |||||
| 23 | 21:53 | Calm | 16.09 | Fair | CLR | -1.7 | -2.8 | 92% | 75.82 | 1015.6 | |||||||
| 23 | 20:53 | SW 6 | 16.09 | Fair | CLR | -1.7 | -2.8 | 92% | 75.79 | 1015.7 | |||||||
| 23 | 19:53 | Calm | 16.09 | Fair | CLR | -1.1 | -2.2 | 92% | 75.79 | 1015.9 | |||||||
| 23 | 18:53 | SE 6 | 12.87 | Fair | CLR | -1.1 | -2.8 | 88% | 75.79 | 1015.8 | |||||||
| 23 | 17:53 | Calm | 16.09 | Fair | CLR | 0 | -2.2 | 85% | 75.79 | 1015.6 | |||||||
| 23 | 16:53 | Calm | 16.09 | Fair | CLR | 0 | -2.2 | 2.2 | -1.7 | 85% | 75.82 | 1015.9 | |||||
| 23 | 15:53 | E 6 | 16.09 | Fair | CLR | 2.2 | -1.7 | 76% | 75.82 | 1015.6 | |||||||
| 23 | 14:53 | Calm | 16.09 | Mostly Cloudy | BKN110 | 2.2 | -1.7 | 76% | 75.82 | 1015.3 | |||||||
| 23 | 13:53 | SE 6 | 16.09 | Mostly Cloudy | BKN110 | 1.1 | -1.7 | 82% | 75.84 | 1015.8 | |||||||
| 23 | 12:53 | Calm | 16.09 | Overcast | BKN080 OVC090 | 1.1 | -1.7 | 82% | 75.87 | 1016.6 | |||||||
| 23 | 11:53 | Vrbl 6 | 16.09 | Overcast | SCT075 OVC090 | -0.6 | -2.2 | 89% | 75.92 | 1017.1 | |||||||
| 23 | 10:53 | Calm | 16.09 | Overcast | OVC070 | -1.7 | -2.8 | -1.1 | -4.4 | 92% | 75.97 | 1018.0 | |||||
| 23 | 09:53 | Calm | 16.09 | Overcast | OVC090 | -1.1 | -3.3 | 85% | 75.97 | 1017.7 | |||||||
| 23 | 08:53 | Calm | 16.09 | Overcast | BKN100 OVC110 | -2.8 | -4.4 | 89% | 75.95 | 1017.5 | |||||||
| 23 | 07:53 | E 6 | 16.09 | Fair | CLR | -4.4 | -6.1 | 88% | 75.95 | 1017.7 | |||||||
| 23 | 06:53 | Calm | 16.09 | Fair | CLR | -3.9 | -5.6 | 88% | 75.95 | 1017.3 | |||||||
| 23 | 05:53 | Calm | 16.09 | Fair | CLR | -3.9 | -5.6 | 88% | 75.95 | 1017.1 | |||||||
| 23 | 04:53 | Calm | 16.09 | A Few Clouds | FEW080 | -3.9 | -6.1 | -1.7 | -5 | 85% | 75.95 | 1016.9 | |||||
| 23 | 03:53 | Calm | 16.09 | Fair | CLR | -3.9 | -5.6 | 88% | 75.95 | 1016.9 | |||||||
| 23 | 02:53 | Calm | 16.09 | Fair | CLR | -2.8 | -5.6 | 81% | 75.95 | 1016.6 | |||||||
| 23 | 01:53 | W 6 | 16.09 | Fair | CLR | -2.8 | -5.6 | 81% | 75.95 | 1016.2 | |||||||
| 23 | 00:53 | Calm | 16.09 | Fair | CLR | -3.3 | -5.6 | 84% | 75.95 | 1016.3 | |||||||
| 22 | 23:53 | S 7 | 16.09 | Fair | CLR | -2.2 | -5 | 81% | -5 | 75.97 | 1016.5 | ||||||
| 22 | 22:53 | W 7 | 16.09 | Fair | CLR | -2.2 | -4.4 | 3.9 | -2.8 | 85% | -5 | 75.97 | 1017.0 | ||||
| 22 | 21:53 | N 6 | 16.09 | Fair | CLR | -1.7 | -5 | 78% | 76.02 | 1017.5 | |||||||
| 22 | 20:53 | S 6 | 16.09 | Fair | CLR | -0.6 | -4.4 | 76% | 76 | 1017.6 | |||||||
| 22 | 19:53 | W 9 | 16.09 | Fair | CLR | 0 | -4.4 | 73% | -3 | 75.97 | 1017.7 | ||||||
| 22 | 18:53 | W 6 | 16.09 | A Few Clouds | FEW070 | 1.1 | -4.4 | 67% | 75.97 | 1017.3 | |||||||
| 22 | 17:53 | E 11 | 16.09 | Fair | CLR | 3.3 | -4.4 | 57% | 1 | 75.97 | 1016.8 | ||||||
| 22 | 16:53 | SE 9 | 16.09 | Fair | CLR | 3.9 | -4.4 | 7.8 | 3.3 | 55% | 2 | 75.97 | 1016.6 | ||||
| 22 | 15:53 | NW 19 | 16.09 | Fair | CLR | 5 | -5 | 49% | 2 | 75.95 | 1016.3 | ||||||
| 22 | 14:53 | W 13 | 16.09 | A Few Clouds | FEW055 | 6.1 | -6.1 | 42% | 4 | 75.95 | 1016.0 | ||||||
| 22 | 13:53 | NW 15 | 16.09 | Partly Cloudy | SCT070 | 6.7 | -5.6 | 41% | 4 | 75.95 | 1015.6 | ||||||
| 22 | 12:53 | NW 20 G 33 | 16.09 | Fair | CLR | 7.2 | -5.6 | 40% | 4 | 75.87 | 1014.8 | ||||||
| 22 | 11:53 | W 13 | 16.09 | Fair | CLR | 6.1 | -2.2 | 56% | 4 | 75.92 | 1015.4 | ||||||
| 22 | 10:53 | Vrbl 7 | 16.09 | Mostly Cloudy | FEW050 SCT070 BKN090 | 4.4 | -1.7 | 4.4 | -1.1 | 65% | 3 | 75.92 | 1016.0 | 0.1 | |||
| 22 | 09:53 | W 26 G 39 | 16.09 | Overcast | OVC065 | 4.4 | -1.1 | 68% | 0 | 75.79 | 1013.8 | 0.03 | |||||
| 22 | 08:53 | W 15 | 6.44 | Light Snow Fog/Mist | FEW010 BKN013 OVC031 | 1.1 | 0 | 92% | -3 | 75.74 | 1014.1 | 0.08 | |||||
| 22 | 07:53 | W 7 | 16.09 | A Few Clouds | FEW075 | -1.1 | -2.8 | 88% | -3 | 75.54 | 1011.3 | ||||||
| 22 | 06:53 | NW 6 | 16.09 | Overcast | BKN055 OVC070 | 0 | -1.7 | 88% | 75.51 | 1010.9 | |||||||
| 22 | 05:53 | Calm | 16.09 | Partly Cloudy | SCT110 | -0.6 | -1.7 | 92% | 75.46 | 1010.3 | |||||||
| 22 | 04:53 | W 6 | 16.09 | Mostly Cloudy | BKN060 | 0 | -1.7 | 0.6 | -0.6 | 88% | 75.46 | 1010.0 | |||||
| 22 | 03:53 | Calm | 16.09 | Mostly Cloudy | BKN095 | -0.6 | -2.8 | 85% | 75.49 | 1010.6 | |||||||
| 22 | 02:53 | W 11 | 16.09 | Overcast | OVC100 | 0 | -2.8 | 82% | -3 | 75.49 | 1010.6 | ||||||
| 22 | 01:53 | S 11 | 16.09 | Overcast | OVC080 | 0.6 | -2.2 | 82% | -2 | 75.44 | 1009.8 | ||||||
| 22 | 00:53 | Calm | 16.09 | Overcast | BKN090 OVC110 | 0 | -2.2 | 85% | 75.46 | 1010.2 | |||||||
| Date | Time (mst) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºC) | Pressure | Precipitation (cm) | |||||||||||||||