Weather observations for the past three days for
Helena Regional Airport
| Date | Time (mst) | 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. | ||||||||||||||||
| 02 | 04:53 | W 16 | 10.00 | Overcast | OVC040 | 36 | 26.1 | 36 | 30 | 67% | 27 | 29.83 | 1014.2 | 0.01 | |||
| 02 | 03:53 | S 6 | 10.00 | Mostly Cloudy | BKN044 BKN110 | 33.1 | 25 | 72% | 28 | 29.84 | 1015.1 | ||||||
| 02 | 02:53 | W 5 | 10.00 | Overcast | SCT075 OVC090 | 34 | 26.1 | 73% | 30 | 29.85 | 1015.6 | ||||||
| 02 | 01:53 | W 7 | 10.00 | Overcast | SCT060 OVC090 | 34 | 25 | 70% | 29 | 29.85 | 1015.9 | 0.01 | |||||
| 02 | 00:53 | SW 9 | 10.00 | Overcast | OVC039 | 36 | 23 | 59% | 30 | 29.87 | 1016.9 | ||||||
| 01 | 23:53 | Calm | 10.00 | Overcast | OVC047 | 30.9 | 24.1 | 76% | 29.89 | 1018.3 | 0.01 | ||||||
| 01 | 22:53 | Calm | 10.00 | Overcast | OVC048 | 30 | 25 | 36 | 30 | 82% | 29.91 | 1018.9 | |||||
| 01 | 21:53 | SE 7 | 10.00 | Overcast | OVC046 | 30 | 25 | 82% | 24 | 29.91 | 1019.3 | ||||||
| 01 | 20:53 | SE 6 | 10.00 | Overcast | OVC047 | 33.1 | 21 | 61% | 28 | 29.93 | 1019.9 | ||||||
| 01 | 19:53 | W 14 G 25 | 10.00 | Overcast | BKN060 OVC080 | 34 | 21 | 59% | 25 | 29.96 | 1020.7 | ||||||
| 01 | 18:53 | W 10 | 10.00 | Overcast | OVC055 | 34 | 18 | 52% | 27 | 29.95 | 1020.9 | ||||||
| 01 | 17:53 | W 6 | 10.00 | Overcast | OVC050 | 35.1 | 16 | 46% | 31 | 29.97 | 1021.1 | ||||||
| 01 | 16:53 | Calm | 10.00 | Overcast | BKN075 OVC100 | 34 | 16 | 34 | 15.1 | 48% | 29.97 | 1021.4 | |||||
| 01 | 15:53 | S 5 | 10.00 | Fair | CLR | 28.9 | 19 | 66% | 25 | 29.97 | 1022.0 | ||||||
| 01 | 14:53 | Calm | 10.00 | Fair | CLR | 26.1 | 18 | 71% | 29.98 | 1022.7 | |||||||
| 01 | 13:53 | NE 5 | 9.00 | Mostly Cloudy | BKN050 | 23 | 17.1 | 78% | 18 | 30 | 1024.1 | ||||||
| 01 | 12:53 | NE 3 | 8.00 | Overcast | OVC055 | 19.9 | 14 | 78% | 30.05 | 1025.7 | |||||||
| 01 | 11:53 | Calm | 7.00 | Mostly Cloudy | BKN060 BKN085 | 17.1 | 12 | 80% | 30.07 | 1027.0 | |||||||
| 01 | 10:53 | Calm | 7.00 | Mostly Cloudy | BKN080 | 15.1 | 10.9 | 16 | 8.1 | 84% | 30.1 | 1028.2 | |||||
| 01 | 09:53 | Calm | 5.00 | Fog/Mist | FEW090 | 12.9 | 10.9 | 92% | 30.12 | 1028.7 | |||||||
| 01 | 08:53 | Calm | 4.00 | Fog/Mist | CLR | 10 | 7 | 87% | 30.12 | 1028.9 | |||||||
| 01 | 07:53 | Calm | 4.00 | Fog/Mist | CLR | 10.9 | 8.1 | 88% | 30.13 | 1028.8 | |||||||
| 01 | 06:53 | N 3 | 5.00 | Fog/Mist | CLR | 8.1 | 5 | 87% | 30.16 | 1030.0 | |||||||
| 01 | 05:53 | Calm | 2.00 | Fog/Mist | BKN002 | 10 | 9 | 95% | 30.16 | 1029.9 | |||||||
| 01 | 04:53 | Calm | 5.00 | Fog/Mist | BKN002 OVC100 | 10 | 8.1 | 10 | 1.9 | 92% | 30.17 | 1030.3 | |||||
| 01 | 03:53 | Calm | 7.00 | Overcast | SCT002 OVC110 | 9 | 7 | 92% | 30.18 | 1030.4 | |||||||
| 01 | 02:53 | Calm | 7.00 | Overcast | FEW002 OVC120 | 8.1 | 3.9 | 83% | 30.19 | 1030.8 | |||||||
| 01 | 01:53 | Calm | 7.00 | Overcast | OVC003 | 3 | -0 | 87% | 30.2 | 1031.8 | |||||||
| 01 | 00:53 | Calm | 6.00 | Fog/Mist | CLR | 5 | 3.9 | 95% | 30.2 | 1031.6 | |||||||
| 30 | 23:53 | Calm | 7.00 | Fair | CLR | 5 | 1.9 | 87% | 30.2 | 1031.7 | |||||||
| 30 | 22:53 | Calm | 4.00 | Fog/Mist | CLR | 5 | 3 | 14 | 5 | 91% | 30.19 | 1031.9 | |||||
| 30 | 21:53 | Calm | 6.00 | Fog/Mist | CLR | 7 | 5 | 91% | 30.18 | 1031.5 | |||||||
| 30 | 20:53 | Calm | 8.00 | Fair | CLR | 8.1 | 6.1 | 92% | 30.18 | 1031.7 | |||||||
| 30 | 19:53 | SW 5 | 8.00 | Fair | CLR | 10.9 | 7 | 84% | 4 | 30.18 | 1031.4 | ||||||
| 30 | 18:53 | SW 3 | 7.00 | Fair | CLR | 10.9 | 8.1 | 88% | 30.17 | 1031.2 | |||||||
| 30 | 17:53 | Calm | 8.00 | Fair | CLR | 12 | 10 | 92% | 30.16 | 1030.4 | |||||||
| 30 | 16:53 | Calm | 8.00 | Fair | CLR | 14 | 10.9 | 18 | 7 | 88% | 30.14 | 1029.8 | |||||
| 30 | 15:53 | Calm | 10.00 | Fair | CLR | 16 | 10 | 77% | 30.14 | 1029.3 | |||||||
| 30 | 14:53 | Calm | 9.00 | Fair | CLR | 18 | 10.9 | 74% | 30.13 | 1028.7 | |||||||
| 30 | 13:53 | Calm | 8.00 | Fair | CLR | 16 | 10.9 | 80% | 30.13 | 1029.3 | |||||||
| 29 | 14:53 | Calm | 10.00 | Fair | CLR | 18 | 6.1 | 59% | 30.27 | 1033.2 | |||||||
| 29 | 13:53 | Calm | 10.00 | Fair | CLR | 17.1 | 6.1 | 62% | 30.29 | 1033.8 | |||||||
| 29 | 12:53 | Calm | 10.00 | Fair | CLR | 15.1 | 3.9 | 61% | 30.32 | 1035.1 | |||||||
| 29 | 11:53 | Calm | 10.00 | Fair | CLR | 12 | 3 | 67% | 30.36 | 1036.7 | |||||||
| 29 | 10:53 | Calm | 10.00 | Fair | CLR | 9 | 1 | 9 | -0 | 70% | 30.39 | 1038.0 | |||||
| 29 | 09:53 | Calm | 10.00 | Fair | CLR | 3.9 | -0.9 | 80% | 30.4 | 1038.9 | |||||||
| 29 | 08:53 | Calm | 10.00 | Fair | CLR | 3.9 | -0.9 | 80% | 30.4 | 1039.0 | |||||||
| 29 | 07:53 | Calm | 10.00 | Fair | CLR | 1.9 | -2 | 83% | 30.4 | 1038.9 | |||||||
| 29 | 06:53 | Calm | 10.00 | Fair | CLR | 3 | -2 | 79% | 30.41 | 1039.1 | |||||||
| 29 | 05:53 | W 3 | 10.00 | Fair | CLR | 1 | -0.9 | 91% | 30.41 | 1039.2 | |||||||
| Date | Time (mst) | 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) | |||||||||||||||