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. | ||||||||||||||||
| 08 | 07:53 | S 6 | 16.09 | Fair | CLR | 2.2 | -0.6 | 82% | 76.12 | 1017.5 | |||||||
| 08 | 06:53 | Calm | 16.09 | Fair | CLR | 2.2 | 0 | 86% | 76.15 | 1017.7 | |||||||
| 08 | 05:53 | W 6 | 16.09 | Fair | CLR | 1.7 | -0.6 | 85% | 76.15 | 1017.8 | |||||||
| 08 | 04:53 | S 6 | 16.09 | Fair | CLR | 2.2 | 0 | 5.6 | 1.1 | 86% | 76.17 | 1017.8 | |||||
| 08 | 03:53 | SW 7 | 16.09 | Fair | CLR | 3.9 | 0 | 76% | 2 | 76.23 | 1017.7 | ||||||
| 08 | 02:53 | S 6 | 16.09 | Fair | CLR | 3.3 | 0 | 79% | 76.2 | 1017.5 | |||||||
| 08 | 01:53 | Calm | 16.09 | Fair | CLR | 2.2 | 0 | 86% | 76.28 | 1018.2 | |||||||
| 08 | 00:53 | S 6 | 16.09 | Fair | CLR | 3.3 | 0.6 | 83% | 76.3 | 1018.7 | |||||||
| 07 | 23:53 | Calm | 16.09 | Fair | CLR | 3.9 | 0.6 | 79% | 76.35 | 1019.5 | |||||||
| 07 | 22:53 | W 9 | 16.09 | Fair | CLR | 3.9 | 0.6 | 12.2 | 2.8 | 79% | 2 | 76.38 | 1020.3 | ||||
| 07 | 21:53 | S 11 | 16.09 | Fair | CLR | 5.6 | 1.1 | 73% | 3 | 76.43 | 1021.1 | ||||||
| 07 | 20:53 | W 7 | 16.09 | Fair | CLR | 6.1 | 1.1 | 71% | 5 | 76.48 | 1021.6 | ||||||
| 07 | 19:53 | Calm | 16.09 | Fair | CLR | 7.8 | 1.1 | 63% | 76.5 | 1022.1 | |||||||
| 07 | 18:53 | SW 9 | 16.09 | Fair | CLR | 8.9 | 1.1 | 58% | 8 | 76.56 | 1022.4 | ||||||
| 07 | 17:53 | W 7 | 16.09 | Fair | CLR | 10.6 | 1.7 | 54% | 76.58 | 1022.4 | |||||||
| 07 | 16:53 | Calm | 16.09 | Fair | CLR | 12.2 | 1.1 | 16.7 | 11.7 | 47% | 76.58 | 1022.1 | |||||
| 07 | 15:53 | E 13 | 16.09 | Fair | CLR | 13.9 | 0.6 | 41% | 76.66 | 1022.7 | |||||||
| 07 | 13:53 | E 19 | 16.09 | Fair | CLR | 16.7 | 1.1 | 35% | 76.73 | 1024.1 | |||||||
| 07 | 12:53 | E 13 | 16.09 | Fair | CLR | 15 | 0 | 36% | 76.76 | 1024.7 | |||||||
| 07 | 11:53 | E 11 | 16.09 | Fair | CLR | 13.9 | 0 | 39% | 76.78 | 1025.2 | |||||||
| 07 | 10:53 | Calm | 16.09 | Fair | CLR | 12.8 | -1.1 | 13.3 | 5 | 38% | 76.81 | 1025.7 | |||||
| 07 | 09:53 | Calm | 16.09 | A Few Clouds | FEW065 | 8.9 | 0.6 | 56% | 76.84 | 1026.3 | |||||||
| 07 | 08:53 | W 7 | 16.09 | Fair | CLR | 10 | -0.6 | 48% | 9 | 76.73 | 1024.7 | ||||||
| 07 | 07:53 | Calm | 16.09 | Fair | CLR | 6.7 | -1.7 | 55% | 76.63 | 1023.8 | |||||||
| 07 | 06:53 | S 11 | 16.09 | Overcast | OVC060 | 8.3 | -1.7 | 50% | 7 | 76.58 | 1022.9 | ||||||
| 07 | 05:53 | NW 7 | 16.09 | Overcast | OVC060 | 8.9 | -1.7 | 48% | 8 | 76.5 | 1021.8 | ||||||
| 07 | 04:53 | SE 9 | 16.09 | Partly Cloudy | SCT070 | 8.9 | -2.2 | 12.2 | 3.3 | 46% | 8 | 76.5 | 1021.7 | ||||
| 07 | 03:53 | W 13 | 16.09 | Fair | CLR | 10.6 | -2.2 | 41% | 76.53 | 1021.4 | |||||||
| 07 | 02:53 | W 9 | 16.09 | Fair | CLR | 8.9 | -2.8 | 44% | 8 | 76.56 | 1022.1 | ||||||
| 07 | 01:53 | N 7 | 16.09 | Fair | CLR | 3.9 | -1.1 | 70% | 2 | 76.5 | 1022.5 | ||||||
| 07 | 00:53 | Calm | 16.09 | Fair | CLR | 5.6 | -1.7 | 60% | 76.5 | 1021.9 | |||||||
| 06 | 23:53 | Calm | 16.09 | Fair | CLR | 5.6 | -1.7 | 60% | 76.5 | 1022.2 | |||||||
| 06 | 22:53 | E 6 | 16.09 | Mostly Cloudy | FEW090 BKN100 | 5 | -1.1 | 10.6 | 5 | 65% | 76.53 | 1023.2 | |||||
| 06 | 21:53 | N 6 | 16.09 | Fair | CLR | 7.2 | -2.2 | 52% | 76.58 | 1023.9 | |||||||
| 06 | 20:53 | Calm | 16.09 | Fair | CLR | 7.2 | -1.7 | 54% | 76.56 | 1023.7 | |||||||
| 06 | 19:53 | SE 13 | 16.09 | Fair | CLR | 8.9 | -1.1 | 50% | 7 | 76.53 | 1023.7 | ||||||
| 06 | 18:53 | Calm | 16.09 | Overcast | OVC065 | 7.2 | 0.6 | 63% | 76.56 | 1024.5 | |||||||
| 06 | 17:53 | SE 11 | 16.09 | Fair | CLR | 8.3 | 0 | 56% | 7 | 76.5 | 1023.6 | ||||||
| 06 | 16:53 | NE 7 | 16.09 | Mostly Cloudy | BKN095 | 8.9 | 0.6 | 10.6 | 6.1 | 56% | 8 | 76.56 | 1023.3 | ||||
| 06 | 15:53 | NW 9 | 16.09 | Fair | CLR | 10.6 | -0.6 | 46% | 76.56 | 1023.4 | |||||||
| 06 | 14:53 | NW 6 | 16.09 | Mostly Cloudy | BKN090 | 10 | -1.1 | 46% | 76.58 | 1023.9 | |||||||
| 06 | 13:53 | N 6 | 16.09 | Fair | CLR | 9.4 | -1.1 | 48% | 76.61 | 1023.9 | |||||||
| 06 | 12:53 | E 7 | 16.09 | Fair | CLR | 9.4 | -1.7 | 46% | 9 | 76.63 | 1024.1 | ||||||
| 06 | 11:53 | Calm | 16.09 | Fair | CLR | 8.9 | -0.6 | 52% | 76.71 | 1025.3 | |||||||
| 06 | 10:53 | NE 6 | 16.09 | Fair | CLR | 6.1 | -0.6 | 6.1 | -3.3 | 63% | 76.78 | 1026.6 | |||||
| 06 | 09:53 | Calm | 16.09 | Fair | CLR | 2.8 | -1.7 | 73% | 76.78 | 1027.0 | |||||||
| 06 | 08:53 | Calm | 16.09 | Fair | CLR | 1.7 | -1.7 | 78% | 76.78 | 1027.0 | |||||||
| 06 | 07:53 | Calm | 16.09 | Fair | CLR | -1.7 | -3.3 | 89% | 76.76 | 1027.3 | |||||||
| 06 | 06:53 | NW 6 | 16.09 | Fair | CLR | -2.2 | -3.9 | 88% | 76.73 | 1027.0 | |||||||
| 06 | 05:53 | NW 11 | 16.09 | Fair | CLR | -2.2 | -4.4 | 85% | -6 | 76.73 | 1026.9 | ||||||
| 06 | 04:53 | S 6 | 16.09 | Fair | CLR | 2.2 | -2.2 | 5.6 | 0 | 73% | 76.73 | 1025.8 | |||||
| 06 | 03:53 | Calm | 16.09 | Fair | CLR | 0.6 | -2.2 | 82% | 76.73 | 1025.8 | |||||||
| 06 | 02:53 | Calm | 16.09 | Fair | CLR | 1.1 | -2.2 | 79% | 76.73 | 1025.5 | |||||||
| 06 | 01:53 | S 9 | 16.09 | Fair | CLR | 2.8 | -1.7 | 73% | 1 | 76.71 | 1025.1 | ||||||
| 06 | 00:53 | Calm | 16.09 | Fair | CLR | 3.3 | -1.7 | 70% | 76.71 | 1025.3 | |||||||
| 05 | 23:53 | SW 13 | 16.09 | Fair | CLR | 4.4 | -1.1 | 68% | 2 | 76.71 | 1026.3 | ||||||
| 05 | 22:53 | SW 6 | 16.09 | Fair | CLR | 5 | -1.1 | 9.4 | 5 | 65% | 76.73 | 1026.9 | |||||
| 05 | 21:53 | W 13 | 16.09 | A Few Clouds | FEW042 | 6.1 | -0.6 | 63% | 4 | 76.66 | 1026.0 | ||||||
| 05 | 20:53 | W 20 | 16.09 | Partly Cloudy | SCT080 | 5.6 | -0.6 | 65% | 2 | 76.66 | 1026.0 | ||||||
| 05 | 19:53 | W 17 | 16.09 | Overcast | OVC075 | 7.2 | -0.6 | 58% | 5 | 76.66 | 1026.5 | ||||||
| 05 | 18:53 | SW 7 | 16.09 | Overcast | OVC070 | 7.8 | -1.1 | 54% | 7 | 76.63 | 1025.8 | ||||||
| 05 | 17:53 | W 15 | 16.09 | Mostly Cloudy | BKN075 | 7.2 | -1.1 | 56% | 5 | 76.58 | 1025.2 | ||||||
| 05 | 16:53 | W 19 | 16.09 | Fair | CLR | 9.4 | -1.7 | 12.2 | 0 | 46% | 7 | 76.5 | 1023.5 | ||||
| 05 | 15:53 | W 20 | 16.09 | Fair | CLR | 10.6 | -1.7 | 43% | 76.5 | 1023.0 | |||||||
| 05 | 14:53 | W 30 G 39 | 16.09 | Fair | CLR | 12.2 | -1.7 | 38% | 76.45 | 1021.9 | |||||||
| 05 | 13:53 | W 19 G 28 | 16.09 | Fair | CLR | 11.1 | -1.7 | 41% | 76.43 | 1021.7 | |||||||
| 05 | 12:53 | Vrbl 6 | 16.09 | Fair | CLR | 8.9 | 0.6 | 56% | 76.5 | 1022.9 | |||||||
| 05 | 11:53 | Calm | 16.09 | Fair | CLR | 2.2 | 0.6 | 89% | 76.53 | 1024.7 | |||||||
| 05 | 10:53 | Calm | 16.09 | A Few Clouds | FEW003 | 0 | -1.1 | 0 | -5 | 92% | 76.56 | 1025.3 | |||||
| 05 | 09:53 | Calm | 9.66 | Fog/Mist | BKN001 | -1.1 | -1.7 | 96% | 76.53 | 1024.9 | |||||||
| 05 | 08:53 | NW 6 | 16.09 | Fair | CLR | -1.7 | -2.8 | 92% | 76.53 | 1024.9 | |||||||
| 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) | |||||||||||||||