Weather observations for the past three days for
Helena Regional Airport
| Date | Time (mdt) | 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. | ||||||||||||||||
| 19 | 04:53 | W 7 | 16.09 | Fair | CLR | 4.4 | -3.3 | 58% | 3 | 76.4 | 1019.5 | ||||||
| 19 | 03:53 | Calm | 16.09 | Fair | CLR | 5 | -3.3 | 55% | 76.43 | 1019.6 | |||||||
| 19 | 02:53 | Calm | 16.09 | Fair | CLR | 5 | -3.3 | 55% | 76.43 | 1019.7 | |||||||
| 19 | 01:53 | S 7 | 16.09 | Fair | CLR | 5.6 | -3.3 | 53% | 4 | 76.45 | 1019.7 | ||||||
| 19 | 00:53 | Vrbl 6 | 16.09 | Fair | CLR | 7.8 | -3.9 | 44% | 76.45 | 1019.6 | |||||||
| 18 | 23:53 | SW 9 | 16.09 | Fair | CLR | 10 | -5 | 17.8 | 7.8 | 35% | 9 | 76.43 | 1019.6 | ||||
| 18 | 22:53 | Vrbl 6 | 16.09 | Fair | CLR | 8.3 | -3.3 | 44% | 76.43 | 1020.4 | |||||||
| 18 | 21:53 | SW 11 | 16.09 | Fair | CLR | 12.2 | -4.4 | 31% | 76.43 | 1019.7 | |||||||
| 18 | 20:53 | W 15 | 16.09 | Fair | CLR | 12.2 | -3.9 | 33% | 76.4 | 1020.4 | |||||||
| 18 | 19:53 | W 24 | 16.09 | Fair | CLR | 15 | -5.6 | 24% | 76.38 | 1019.6 | |||||||
| 18 | 18:53 | W 13 | 16.09 | Fair | CLR | 16.1 | -5 | 23% | 76.4 | 1019.8 | |||||||
| 18 | 17:53 | W 28 G 44 | 16.09 | Fair | CLR | 17.8 | -7.2 | 21.1 | 15 | 18% | 76.35 | 1018.7 | |||||
| 18 | 16:53 | NW 26 G 43 | 16.09 | Fair | CLR | 18.9 | -6.7 | 17% | 76.35 | 1018.4 | |||||||
| 18 | 15:53 | W 31 G 57 | 16.09 | Fair | CLR | 18.9 | -7.2 | 16% | 76.33 | 1017.7 | |||||||
| 18 | 14:53 | W 35 G 59 | 16.09 | Fair and Breezy | CLR | 18.9 | -7.2 | 16% | 76.3 | 1017.0 | |||||||
| 18 | 13:53 | W 31 G 43 | 16.09 | Fair | CLR | 19.4 | -5.6 | 18% | 76.23 | 1016.0 | |||||||
| 18 | 12:53 | NW 30 G 41 | 16.09 | Fair | CLR | 18.3 | -5 | 20% | 76.23 | 1016.3 | |||||||
| 18 | 11:53 | Vrbl 7 | 16.09 | Fair | CLR | 15 | -2.8 | 15 | 2.8 | 29% | 76.3 | 1017.6 | |||||
| 18 | 10:53 | SE 6 | 16.09 | Fair | CLR | 11.1 | 1.1 | 50% | 76.23 | 1017.3 | |||||||
| 18 | 09:53 | N 6 | 16.09 | Fair | CLR | 11.1 | 0 | 47% | 76.2 | 1016.9 | |||||||
| 18 | 08:53 | W 6 | 16.09 | Fair | CLR | 4.4 | -0.6 | 70% | 76.17 | 1017.4 | |||||||
| 18 | 07:53 | Calm | 16.09 | Fair | CLR | 4.4 | -1.7 | 65% | 76.12 | 1016.7 | |||||||
| 18 | 06:53 | S 7 | 16.09 | Fair | CLR | 5 | -1.1 | 65% | 4 | 76.12 | 1016.5 | ||||||
| 18 | 05:53 | S 6 | 16.09 | Fair | CLR | 6.7 | -1.1 | 12.2 | 5 | 58% | 76.1 | 1015.6 | |||||
| 18 | 04:53 | Calm | 16.09 | Mostly Cloudy | BKN080 | 6.1 | 0 | 65% | 76.1 | 1015.9 | |||||||
| 18 | 03:53 | SE 9 | 16.09 | Overcast | OVC085 | 9.4 | 0 | 52% | 8 | 76.12 | 1015.7 | ||||||
| 18 | 02:53 | W 26 | 16.09 | A Few Clouds | FEW070 | 11.7 | -0.6 | 43% | 76.15 | 1015.6 | |||||||
| 18 | 01:53 | N 6 | 16.09 | Fair | CLR | 11.1 | -0.6 | 45% | 76.2 | 1016.1 | |||||||
| 18 | 00:53 | S 11 | 16.09 | Fair | CLR | 9.4 | 0 | 52% | 8 | 76.23 | 1017.0 | ||||||
| 17 | 23:53 | S 9 | 16.09 | Overcast | OVC070 | 10.6 | 0 | 12.8 | 10 | 48% | 76.28 | 1017.7 | |||||
| 17 | 22:53 | W 22 G 31 | 16.09 | Partly Cloudy | SCT075 | 11.1 | -0.6 | 45% | 76.3 | 1017.9 | |||||||
| 17 | 21:53 | W 22 G 39 | 16.09 | A Few Clouds | FEW080 | 11.1 | -0.6 | 45% | 76.33 | 1018.4 | |||||||
| 17 | 20:53 | W 24 G 41 | 16.09 | A Few Clouds | FEW080 | 11.1 | -0.6 | 45% | 76.33 | 1018.6 | |||||||
| 17 | 19:53 | W 26 G 43 | 16.09 | Fair | CLR | 11.7 | -1.1 | 41% | 76.3 | 1018.1 | |||||||
| 17 | 18:53 | W 17 G 39 | 16.09 | A Few Clouds | FEW070 | 12.2 | -1.1 | 40% | 76.25 | 1017.3 | |||||||
| 17 | 17:53 | W 15 G 33 | 16.09 | Fair | CLR | 12.8 | 0 | 15.6 | 12.2 | 42% | 76.28 | 1017.9 | |||||
| 17 | 16:53 | SW 7 G 37 | 16.09 | Mostly Cloudy | FEW070 BKN110 | 12.8 | 0.6 | 44% | 76.33 | 1018.5 | |||||||
| 17 | 15:53 | W 24 G 48 | 16.09 | Fair | CLR | 13.9 | 1.1 | 42% | 76.33 | 1018.4 | |||||||
| 17 | 14:53 | W 52 G 74 | 16.09 | Fair and Windy | CLR | 14.4 | 0.6 | 39% | 76.23 | 1017.8 | |||||||
| 17 | 13:53 | W 37 G 52 | 16.09 | Fair and Breezy | CLR | 15 | 0 | 36% | 76.25 | 1018.3 | |||||||
| 17 | 12:53 | W 20 G 35 | 16.09 | Fair | CLR | 13.3 | -2.2 | 34% | 76.17 | 1017.0 | |||||||
| 17 | 11:53 | W 31 G 69 | 16.09 | Fair | CLR | 13.3 | -3.3 | 14.4 | 8.3 | 32% | 76.15 | 1016.4 | |||||
| 17 | 10:53 | W 31 G 52 | 16.09 | Fair | CLR | 12.8 | -3.3 | 33% | 76.1 | 1015.6 | |||||||
| 17 | 09:53 | Calm | 16.09 | Overcast | OVC070 | 10.6 | -1.7 | 43% | 76.1 | 1015.7 | |||||||
| 17 | 08:53 | S 6 | 16.09 | Overcast | OVC085 | 10.6 | -2.2 | 41% | 76.05 | 1015.1 | |||||||
| 17 | 07:53 | Vrbl 7 G 28 | 16.09 | Overcast | OVC080 | 11.1 | -1.7 | 41% | 76.02 | 1015.0 | |||||||
| 17 | 06:53 | S 17 | 16.09 | Overcast | OVC080 | 10 | -1.7 | 44% | 8 | 76.05 | 1015.8 | ||||||
| 17 | 05:53 | SE 7 | 16.09 | Overcast | OVC060 | 8.9 | -1.7 | 10.6 | 2.2 | 48% | 8 | 76.05 | 1015.6 | ||||
| 17 | 04:53 | S 9 | 16.09 | Overcast | OVC080 | 8.3 | -2.2 | 48% | 7 | 76.05 | 1015.7 | ||||||
| 17 | 03:53 | Calm | 16.09 | Overcast | OVC090 | 7.8 | -0.6 | 56% | 76.05 | 1016.0 | |||||||
| 17 | 02:53 | E 9 | 16.09 | Overcast | OVC090 | 2.8 | 0.6 | 86% | 1 | 76.02 | 1016.8 | ||||||
| 17 | 01:53 | Calm | 16.09 | Overcast | OVC100 | 2.2 | 0.6 | 89% | 76.05 | 1017.1 | |||||||
| 17 | 00:53 | S 6 | 16.09 | Overcast | OVC095 | 5 | 1.1 | 76% | 76.02 | 1016.4 | |||||||
| 16 | 23:53 | S 7 | 16.09 | Fair | CLR | 7.2 | 1.1 | 10 | 4.4 | 66% | 6 | 76.05 | 1017.3 | ||||
| 16 | 22:53 | W 17 | 16.09 | Overcast | OVC095 | 6.7 | 0.6 | 65% | 4 | 76.05 | 1017.6 | ||||||
| 16 | 21:53 | Calm | 16.09 | Overcast | OVC075 | 10 | 1.1 | 54% | 76.1 | 1017.7 | |||||||
| 16 | 20:53 | W 15 G 26 | 16.09 | Overcast | BKN049 OVC055 | 8.9 | 1.1 | 58% | 7 | 76.1 | 1018.1 | ||||||
| 16 | 19:53 | NW 11 | 16.09 | Overcast | OVC047 | 6.1 | 2.2 | 76% | 4 | 76.12 | 1018.9 | ||||||
| 16 | 18:53 | NW 17 | 16.09 | Overcast | BKN050 OVC055 | 5.6 | 1.7 | 76% | 3 | 76.15 | 1019.8 | ||||||
| 16 | 17:53 | W 9 | 16.09 | Overcast | BKN100 OVC120 | 7.2 | 1.7 | 7.8 | -0.6 | 68% | 6 | 76.15 | 1019.4 | ||||
| 16 | 16:53 | W 22 | 16.09 | Mostly Cloudy | BKN120 | 7.2 | 1.1 | 66% | 4 | 76.15 | 1019.4 | ||||||
| 16 | 15:53 | SE 9 | 16.09 | Mostly Cloudy | BKN110 | 6.1 | 0.6 | 68% | 4 | 76.2 | 1020.4 | ||||||
| 16 | 14:53 | W 7 | 16.09 | Overcast | BKN041 OVC100 | 3.9 | -0.6 | 73% | 2 | 76.28 | 1021.8 | ||||||
| 16 | 13:53 | Calm | 16.09 | Overcast | OVC045 | 3.9 | -1.1 | 70% | 76.25 | 1021.7 | |||||||
| 16 | 12:53 | Vrbl 7 | 16.09 | Overcast | OVC042 | 5 | -1.7 | 62% | 4 | 76.28 | 1021.9 | ||||||
| 16 | 11:53 | Calm | 16.09 | Overcast | OVC042 | -0.6 | -4.4 | -0.6 | -4.4 | 76% | 76.3 | 1023.2 | |||||
| 16 | 10:53 | Calm | 16.09 | Overcast | OVC044 | -1.7 | -5 | 78% | 76.35 | 1024.2 | |||||||
| 16 | 09:53 | Calm | 16.09 | Overcast | OVC045 | -2.8 | -6.1 | 78% | 76.4 | 1025.1 | |||||||
| 16 | 08:53 | N 9 | 14.48 | Overcast | OVC047 | -3.9 | -6.1 | 85% | -7 | 76.4 | 1024.9 | ||||||
| 16 | 07:53 | E 7 | 16.09 | Overcast | BKN045 OVC050 | -3.3 | -5.6 | 84% | -6 | 76.4 | 1025.0 | ||||||
| 16 | 06:53 | NE 6 | 16.09 | Overcast | OVC043 | -4.4 | -6.7 | 84% | 76.43 | 1025.2 | |||||||
| 16 | 05:53 | W 7 | 16.09 | Overcast | OVC045 | -4.4 | -7.2 | -4.4 | -7.8 | 81% | -7 | 76.5 | 1026.2 | ||||
| Date | Time (mdt) | 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) | |||||||||||||||