Weather observations for the past three days for
Helena Regional Airport
Imperial (Metric)
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.
09 21:53 Calm 10.00 Fair CLR 33.1 21.9 64% 30.37 1033.3
09 20:53 S 3 10.00 Fair CLR 34 23 64% 30.38 1034.1
09 19:53 SW 5 10.00 Fair CLR 36 23 59% 33 30.38 1034.3
09 18:53 SW 5 10.00 Fair CLR 37.9 24.1 57% 35 30.38 1034.1
09 17:53 Calm 10.00 Fair CLR 39 21.9 50% 30.39 1034.1
09 16:53 Calm 10.00 Fair CLR 42.1 21 45 32 43% 30.4 1034.2
09 15:53 NW 5 10.00 Fair CLR 43 21.9 43% 41 30.41 1034.4
09 14:53 Calm 10.00 Fair CLR 44.1 21 40% 30.41 1034.4
09 13:53 NE 5 10.00 A Few Clouds FEW120 44.1 21 40% 42 30.42 1034.3
09 12:53 Calm 10.00 Fair CLR 41 21 45% 30.44 1035.5
09 11:53 Calm 10.00 Partly Cloudy SCT120 37 21.9 54% 30.46 1036.3
09 10:53 Calm 10.00 Fair CLR 32 23 33.1 21.9 69% 30.48 1037.3
09 09:53 N 3 10.00 Mostly Cloudy BKN120 30 23 75% 30.48 1037.6
09 08:53 NE 3 10.00 Fair CLR 26.1 21 81% 30.47 1037.5
09 07:53 Calm 10.00 Fair CLR 24.1 19 81% 30.46 1037.1
09 06:53 Calm 10.00 Fair CLR 23 19 85% 30.46 1036.7
09 05:53 Calm 10.00 Fair CLR 25 19 78% 30.45 1036.4
09 04:53 SE 3 10.00 Fair CLR 24.1 19 30 21.9 81% 30.44 1035.5
09 03:53 Calm 10.00 Fair CLR 24.1 19 81% 30.43 1034.9
09 02:53 SE 3 10.00 Fair CLR 25 19 78% 30.42 1034.2
09 01:53 Calm 10.00 Fair CLR 27 19.9 75% 30.43 1034.2
09 00:53 Calm 10.00 Fair CLR 26.1 19.9 78% 30.42 1034.1
08 23:53 W 5 10.00 Fair CLR 30 21 69% 26 30.41 1033.8
08 22:53 Calm 10.00 Fair CLR 28.9 21 45 28.9 72% 30.41 1033.8
08 21:53 Calm 10.00 Fair CLR 30 19.9 66% 30.4 1033.5
08 20:53 Calm 10.00 Fair CLR 33.1 21 61% 30.38 1032.9
08 19:53 Calm 10.00 Fair CLR 35.1 21 57% 30.37 1032.6
08 18:53 SW 5 10.00 Fair CLR 37.9 19.9 48% 35 30.35 1031.7
08 17:53 W 8 10.00 Fair CLR 37 21 52% 32 30.34 1031.2
08 16:53 W 3 10.00 Fair CLR 45 19.9 48.9 43 37% 30.32 1029.6
08 15:53 W 12 10.00 Fair CLR 48 19.9 33% 44 30.31 1029.2
08 14:53 W 9 10.00 Fair CLR 48 19 32% 44 30.29 1028.3
08 13:53 W 12 10.00 Fair CLR 48 19.9 33% 44 30.3 1028.5
08 12:53 SW 10 G 18 10.00 A Few Clouds FEW055 48 21 34% 44 30.29 1028.2
08 11:53 W 15 G 20 10.00 A Few Clouds FEW050 46 21 37% 40 30.3 1028.7
08 10:53 W 8 10.00 Fair CLR 45 23 45 37 42% 41 30.3 1028.7
08 09:53 NW 13 10.00 Fair CLR 43 21 42% 37 30.29 1028.4
08 08:53 W 9 10.00 Fair CLR 39.9 21 47% 34 30.27 1028.3
08 07:53 W 13 10.00 Fair CLR 37.9 21 51% 31 30.25 1027.7
08 06:53 W 13 G 21 10.00 Fair CLR 37 21 52% 30 30.24 1027.2
08 05:53 W 14 10.00 Fair CLR 37.9 21 51% 30 30.21 1026.2
08 04:53 W 15 G 24 10.00 Fair CLR 37.9 21 42.1 37.9 51% 30 30.19 1025.3
08 03:53 W 17 10.00 Fair CLR 39 21.9 50% 31 30.17 1024.3
08 02:53 W 17 G 29 10.00 Fair CLR 39 21.9 50% 31 30.16 1023.9
08 01:53 W 21 G 30 10.00 Fair and Breezy CLR 39.9 21.9 49% 31 30.13 1022.8
08 00:53 W 18 G 26 10.00 Fair CLR 39.9 21.9 49% 31 30.12 1022.5
07 22:53 NW 17 G 24 10.00 Mostly Cloudy BKN065 41 19.9 44.1 41 43% 33 30.1 1021.6
07 21:53 NW 18 G 33 10.00 Partly Cloudy SCT060 42.1 19 40% 34 30.07 1021.1
07 20:53 W 14 G 31 10.00 A Few Clouds FEW060 42.1 19 40% 35 30.04 1020.0
07 19:53 NW 13 G 37 10.00 Partly Cloudy SCT060 42.1 19 40% 36 30.02 1019.4
07 18:53 W 22 G 40 10.00 Fair and Breezy CLR 43 18 37% 35 30 1019.1
07 17:53 W 18 G 30 10.00 Mostly Cloudy BKN065 43 18 37% 35 30 1018.8
07 16:53 W 23 G 39 10.00 Mostly Cloudy and Breezy BKN070 44.1 17.1 48.9 44.1 34% 36 29.96 1017.4
07 15:53 W 17 G 29 10.00 Mostly Cloudy BKN070 46 19.9 35% 40 29.93 1016.0
07 14:53 W 13 G 26 10.00 Mostly Cloudy BKN070 46.9 19 33% 42 29.91 1015.5
07 13:53 W 22 G 32 10.00 Mostly Cloudy and Breezy BKN070 48 19.9 33% 41 29.88 1014.3
07 12:53 W 21 G 35 10.00 A Few Clouds and Breezy FEW060 48 21.9 36% 41 29.89 1014.2
07 11:53 W 26 G 41 10.00 Fair and Windy CLR 46.9 21.9 37% 39 29.89 1013.8
07 10:53 W 24 G 38 10.00 Fair and Breezy CLR 46 27 46 33.1 47% 38 29.91 1014.6 0.02
07 09:53 W 18 G 35 10.00 Fair CLR 42.1 25 51% 34 29.89 1014.6
07 08:53 W 16 G 31 10.00 Mostly Cloudy FEW070 SCT090 BKN110 41 30 65% 33 29.88 1014.0
07 07:53 W 18 G 24 10.00 Overcast OVC047 42.1 35.1 76% 34 29.88 1013.9 0.02 0.02
07 06:53 W 6 10.00 A Few Clouds FEW080 35.1 27 72% 31 29.78 1011.0
07 05:53 SW 3 10.00 Overcast OVC075 37 27 67% 29.79 1011.2
07 04:53 SW 6 10.00 Fair CLR 35.1 27 48 33.1 72% 31 29.8 1011.5
07 03:53 Calm 10.00 Fair CLR 37 27 67% 29.82 1012.2
07 02:53 Calm 10.00 Fair CLR 37 27 67% 29.86 1013.0
07 01:53 Calm 10.00 Fair CLR 37 28 70% 29.89 1014.1
07 00:53 W 6 10.00 Fair CLR 41 28.9 62% 38 29.91 1014.5
06 23:53 SW 5 10.00 Fair CLR 48 26.1 42% 47 29.94 1014.9
06 22:53 Vrbl 3 10.00 Fair CLR 45 27 50 41 49% 29.97 1016.4
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)