Weather observations for the past three days for
Helena Regional Airport
Imperial (Metric)
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.
01 13:53 SE 9 10.00 Partly Cloudy FEW055 SCT095 69.1 50 51% 29.89 1011.4
01 12:53 E 7 10.00 Fair CLR 70 51.1 51% 29.91 1011.8
01 11:53 E 8 10.00 A Few Clouds FEW070 66.9 51.1 68 54 57% 29.92 1012.2
01 10:53 NE 5 10.00 Fair CLR 66 51.1 59% 29.92 1012.3
01 09:53 Calm 10.00 Overcast OVC095 63 48.9 60% 29.94 1013.0
01 08:53 Calm 10.00 Overcast OVC090 57.9 52 81% 29.94 1012.8
01 07:53 NW 5 10.00 Overcast OVC090 55 52 90% 29.95 1013.4
01 06:53 S 5 10.00 Overcast OVC080 55.9 50 81% 29.94 1013.1
01 05:53 S 5 10.00 Overcast BKN060 OVC080 55 51.1 62.1 53.1 87% 29.92 1012.3
01 04:53 Calm 10.00 Overcast FEW060 OVC080 54 51.1 90% 29.91 1012.2
01 03:53 E 3 10.00 Mostly Cloudy BKN090 53.1 51.1 93% 29.91 1012.1
01 02:53 SW 5 10.00 Fair CLR 55 51.1 87% 29.89 1011.6
01 01:53 SW 5 10.00 Mostly Cloudy BKN090 57 52 83% 29.9 1011.9
01 00:53 SE 5 10.00 Mostly Cloudy SCT080 BKN110 57.9 53.1 84% 29.92 1012.4
30 23:53 W 14 G 20 10.00 Thunderstorm in Vicinity BKN047 OVC055 62.1 50 73 60.1 65% 29.91 1011.9 0.05 0.06
30 22:53 S 8 10.00 Mostly Cloudy BKN060 BKN080 63 52 68% 29.9 1011.7
30 21:53 SE 8 10.00 Mostly Cloudy SCT075 BKN100 63 48.9 60% 29.88 1011.2 0.01
30 20:53 S 6 10.00 Thunderstorm BKN065 70 48.9 47% 29.86 1010.2
30 19:53 SE 5 10.00 Overcast BKN065 OVC085 70 50 49% 29.85 1009.9
30 18:53 Vrbl 3 10.00 A Few Clouds FEW070 71.1 45 39% 29.85 1009.9
30 17:53 E 5 10.00 Fair CLR 73 46 73 63 38% 29.85 1009.9
30 16:53 E 5 10.00 Partly Cloudy SCT070 SCT080 72 46 40% 29.86 1010.3
30 15:53 NE 7 10.00 A Few Clouds FEW065 71.1 46 41% 29.87 1010.7
30 14:53 NE 10 10.00 Partly Cloudy SCT070 69.1 45 42% 29.89 1011.3
30 13:53 N 8 10.00 Partly Cloudy SCT060 68 46 45% 29.9 1011.9
30 12:53 Calm 10.00 Overcast BKN047 OVC055 66 45 47% 29.92 1012.6
30 11:53 E 6 10.00 Mostly Cloudy BKN045 BKN055 64 46 64 52 52% 29.93 1013.2
30 10:53 W 8 10.00 Mostly Cloudy BKN046 BKN055 63 46 54% 29.93 1013.4
30 09:53 S 3 10.00 Mostly Cloudy BKN041 61 46 58% 29.94 1013.6
30 08:53 W 9 10.00 Mostly Cloudy BKN039 60.1 46 60% 29.94 1013.6
30 07:53 S 6 10.00 Overcast BKN037 OVC100 57.9 46 65% 29.95 1014.3
30 06:53 Calm 10.00 Overcast FEW036 OVC095 54 46.9 77% 29.95 1014.2
30 05:53 S 3 10.00 Mostly Cloudy BKN120 53.1 46 55 52 77% 29.91 1013.3 0.03
30 04:53 W 8 10.00 A Few Clouds FEW044 54 45 72% 29.92 1013.6
30 03:53 W 5 10.00 Mostly Cloudy BKN080 52 46 80% 29.92 1013.8
30 02:53 Calm 10.00 Mostly Cloudy BKN080 54 46 75% 29.92 1013.7 0.03
30 01:53 W 14 10.00 Mostly Cloudy BKN080 BKN100 55 46 72% 29.91 1013.5
30 00:53 W 14 G 24 10.00 Overcast OVC070 54 48 80% 29.9 1013.1 0.03
29 23:53 W 10 G 18 10.00 Light Rain OVC065 54 48 60.1 54 80% 29.91 1013.6 0.02 0.05
29 22:53 W 9 9.00 Light Rain FEW036 BKN055 OVC070 54 48 80% 29.91 1013.5 0.03
29 21:53 W 12 G 24 10.00 Overcast OVC070 55.9 46.9 72% 29.88 1012.3
29 20:53 W 17 G 26 10.00 Overcast OVC075 57 46 67% 29.86 1011.8
29 19:53 W 16 G 28 10.00 Overcast BKN060 OVC070 57.9 46 65% 29.84 1011.2
29 18:53 W 16 G 29 10.00 Overcast SCT080 OVC110 59 46.9 64% 29.81 1010.1
29 17:53 W 18 G 30 10.00 Overcast SCT028 OVC035 57 48 57 50 72% 29.82 1010.4 0.03 0.35
29 16:53 W 7 6.00 Light Rain BKN030 OVC037 55 48.9 80% 29.82 1010.7 0.07
29 15:53 Calm 4.00 Light Rain Fog/Mist SCT026 OVC032 53.1 50 89% 29.79 1009.7 0.08
29 14:53 NE 5 1.25 Light Rain Fog/Mist FEW004 BKN020 OVC025 52 50 93% 29.77 1009.2 0.12 0.17
29 13:53 Vrbl 5 5.00 Light Rain Fog/Mist SCT024 OVC035 52 48.9 89% 29.75 1008.5 0.03
29 12:53 NW 7 9.00 Light Rain BKN029 BKN041 OVC055 53.1 48 83% 29.72 1007.2 0.02
29 11:53 NW 7 10.00 Light Rain FEW020 SCT026 OVC047 50 46.9 51.1 46 89% 48 29.7 1006.7 0.22
29 10:53 N 7 10.00 Overcast BKN023 OVC027 50 45 83% 48 29.67 1005.8
29 09:53 N 7 10.00 Overcast SCT025 BKN033 OVC049 50 45 83% 48 29.66 1005.2
29 08:53 SE 6 10.00 Overcast SCT035 BKN045 OVC050 46.9 42.1 83% 45 29.65 1004.8 0.05 0.22
29 07:53 S 8 8.00 Light Rain FEW039 OVC048 46 42.1 86% 42 29.65 1005.0 0.07
29 06:53 S 3 4.00 Light Rain Fog/Mist BKN047 OVC055 46 42.1 86% 29.66 1005.0 0.1
29 05:53 Vrbl 3 5.00 Light Rain SCT035 OVC044 46.9 42.1 48.9 46.9 83% 29.65 1004.7 0.05 0.2
29 04:53 SW 7 5.00 Light Rain OVC039 46.9 42.1 83% 44 29.65 1004.9 0.08
29 03:53 S 6 8.00 Light Rain OVC041 48 43 83% 46 29.65 1004.7 0.02
29 02:53 S 7 10.00 Overcast BKN039 OVC060 48 41 77% 45 29.65 1004.9 0.05
29 01:53 Vrbl 5 10.00 Overcast BKN041 OVC048 46.9 42.1 83% 45 29.67 1005.5 0.01
29 00:53 E 7 10.00 Light Rain SCT034 OVC043 46.9 43 86% 44 29.69 1006.2 0.04
28 23:53 SE 3 9.00 Light Rain OVC044 48.9 41 55 48 74% 29.7 1006.7 0.04 0.04
28 22:53 Vrbl 5 8.00 Light Rain FEW038 OVC050 48.9 39.9 71% 48 29.72 1007.3
28 21:53 W 8 10.00 Overcast OVC050 50 39.9 68% 47 29.72 1007.3
28 20:53 W 10 10.00 Overcast OVC065 53.1 39 59% 29.72 1007.3
28 19:53 W 17 G 26 10.00 Overcast OVC085 54 37.9 55% 29.71 1006.8
28 18:53 SW 10 G 20 10.00 Overcast SCT045 BKN050 OVC085 55 39 55% 29.72 1007.2
28 17:53 SW 15 G 22 10.00 Overcast BKN045 OVC050 55 39 55.9 51.1 55% 29.73 1007.1
28 16:53 W 10 10.00 Overcast BKN041 BKN049 OVC075 55 39.9 57% 29.73 1007.3
28 15:53 SW 7 10.00 Overcast OVC038 54 41 62% 29.72 1007.0
28 14:53 SW 9 10.00 Overcast OVC037 54 39.9 59% 29.73 1007.4
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)