Weather observations for the past three days for
Helena Regional Airport
Metric (Imperial)
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.
02 08:53 N 9 16.09 Fair CLR 7.8 -0.6 56% 6 76.38 1019.2
02 07:53 Calm 16.09 Fair CLR 6.1 -1.1 60% 76.4 1019.3
02 06:53 Calm 16.09 Fair CLR 3.9 -2.2 65% 76.4 1019.3
02 05:53 Calm 16.09 Fair CLR 4.4 -2.8 10.6 3.9 60% 76.38 1018.9
02 04:53 Calm 16.09 Fair CLR 5.6 -2.8 55% 76.38 1018.7
02 03:53 Calm 16.09 Fair CLR 6.1 -2.2 56% 76.38 1018.6
02 02:53 Calm 16.09 Fair CLR 6.7 -2.8 51% 76.38 1018.7
02 01:53 W 9 16.09 Fair CLR 8.3 -2.8 46% 7 76.4 1018.8
02 00:53 SW 9 16.09 Fair CLR 8.9 -2.8 44% 8 76.4 1019.0
01 23:53 SW 7 16.09 Fair CLR 10.6 -2.8 20 10 39% 76.4 1018.8
01 22:53 NW 9 16.09 Fair CLR 10.6 -2.8 39% 76.4 1019.3
01 21:53 W 7 16.09 Fair CLR 13.9 -3.3 30% 76.38 1018.8
01 20:53 S 7 16.09 Fair CLR 15.6 -3.3 27% 76.35 1018.6
01 19:53 SE 13 16.09 Fair CLR 18.3 -3.9 22% 76.35 1018.9
01 18:53 E 7 16.09 Fair CLR 19.4 -2.8 22% 76.4 1019.3
01 17:53 NE 7 16.09 Fair CLR 20 -2.2 20 15 22% 76.4 1019.4
01 16:53 NE 13 16.09 Fair CLR 19.4 -3.3 21% 76.45 1019.9
01 15:53 Vrbl 9 16.09 Fair CLR 18.9 -3.3 22% 76.48 1020.2
01 14:53 E 17 16.09 Fair CLR 18.9 -3.3 22% 76.53 1020.9
01 13:53 Vrbl 9 16.09 Fair CLR 18.3 -2.8 24% 76.58 1021.2
01 12:53 SE 9 16.09 Fair CLR 16.1 -3.9 25% 76.58 1021.9
01 11:53 Calm 16.09 Fair CLR 15.6 -1.7 16.1 2.2 31% 76.66 1022.5
01 10:53 Calm 16.09 Fair CLR 13.9 0 39% 76.66 1022.5
01 09:53 Vrbl 6 16.09 Fair CLR 11.7 0.6 47% 76.63 1022.8
01 08:53 Calm 16.09 Partly Cloudy SCT080 8.3 -0.6 54% 76.66 1023.1
01 07:53 Calm 16.09 Fair CLR 3.9 -0.6 73% 76.66 1023.6
01 06:53 Calm 16.09 Fair CLR 4.4 -1.7 65% 76.61 1022.6
01 05:53 Calm 16.09 Fair CLR 3.9 -2.2 9.4 3.9 65% 76.53 1021.7
01 04:53 W 9 16.09 Fair CLR 5 -1.7 62% 3 76.5 1021.1
01 03:53 Calm 16.09 Fair CLR 6.7 -1.7 55% 76.45 1020.0
01 02:53 W 6 16.09 A Few Clouds FEW085 6.7 -1.7 55% 76.4 1019.6
01 01:53 Calm 16.09 Partly Cloudy SCT085 7.8 -1.1 54% 76.38 1019.2
01 00:53 NW 9 16.09 Mostly Cloudy BKN090 7.2 -1.1 56% 6 76.35 1019.1
30 23:53 W 13 16.09 Overcast OVC090 9.4 -1.1 16.7 9.4 48% 8 76.33 1018.3
30 22:53 W 9 16.09 Overcast OVC090 11.1 -1.1 43% 76.3 1018.1
30 21:53 NW 9 16.09 Mostly Cloudy BKN090 10.6 -1.7 43% 76.28 1017.7
30 20:53 W 20 16.09 A Few Clouds FEW100 12.2 -2.2 37% 76.2 1016.8
30 19:53 W 22 16.09 Mostly Cloudy BKN090 13.9 -1.7 34% 76.17 1016.1
30 18:53 W 30 G 44 16.09 Mostly Cloudy BKN095 15.6 -2.2 30% 76.17 1016.3
30 17:53 W 26 G 35 16.09 Mostly Cloudy BKN100 15.6 -2.8 17.8 11.1 28% 76.15 1015.8 0.03
30 16:53 W 28 16.09 Overcast FEW075 OVC100 15.6 -3.3 27% 76.15 1015.8
30 15:53 NW 31 G 44 16.09 Partly Cloudy FEW080 SCT100 17.2 -2.2 27% 76.17 1015.8
30 14:53 W 30 16.09 Mostly Cloudy BKN095 16.7 -2.2 28% 76.15 1015.8 0.03
30 13:53 W 33 G 43 16.09 Partly Cloudy and Breezy FEW070 SCT100 15 0.6 38% 76.2 1016.6 0.03
30 12:53 N 9 16.09 Mostly Cloudy SCT070 BKN085 13.3 -0.6 39% 76.23 1017.0
30 11:53 W 20 G 30 16.09 Mostly Cloudy BKN060 BKN075 14.4 -0.6 14.4 8.3 36% 76.23 1016.9
30 10:53 W 15 G 31 16.09 Partly Cloudy SCT060 SCT075 12.8 1.1 45% 76.23 1017.3
30 09:53 W 28 G 35 16.09 Overcast BKN045 BKN060 OVC080 11.1 0 47% 76.28 1017.9
30 08:53 NW 9 16.09 Overcast BKN065 OVC080 10 1.7 57% 9 76.3 1018.3
30 07:53 W 15 16.09 Overcast OVC075 8.9 1.1 58% 7 76.28 1018.0
30 06:53 W 22 16.09 Overcast FEW070 OVC090 8.3 1.7 63% 5 76.23 1017.2
30 05:53 W 20 16.09 Overcast BKN070 OVC085 8.3 1.1 9.4 7.2 61% 5 76.17 1016.4
30 04:53 W 19 16.09 Overcast OVC065 8.3 1.1 61% 6 76.17 1016.2
30 03:53 W 24 16.09 Overcast BKN075 OVC090 8.3 1.1 61% 5 76.15 1015.6
30 02:53 W 28 G 43 16.09 Overcast OVC080 8.9 1.1 58% 6 76.15 1015.5
30 01:53 NW 11 16.09 Overcast FEW044 OVC085 8.9 0.6 56% 7 76.12 1015.4
30 00:53 W 13 16.09 Fair CLR 8.3 0 56% 6 76.1 1015.1
29 23:53 W 24 G 39 16.09 Fair CLR 9.4 1.1 14.4 7.8 56% 7 76.07 1014.7
29 22:53 N 22 16.09 Fair CLR 8.9 1.7 61% 6 76.05 1014.7
29 21:53 W 26 G 44 16.09 Fair CLR 11.1 0.6 49% 75.97 1013.5
29 20:53 W 31 G 48 16.09 Fair CLR 11.7 0.6 47% 75.92 1012.4
29 19:53 W 28 16.09 A Few Clouds FEW065 12.8 0 42% 75.9 1012.0
29 18:53 W 30 G 41 16.09 Mostly Cloudy BKN070 13.9 1.1 42% 75.92 1012.7
29 17:53 W 19 16.09 Mostly Cloudy FEW055 SCT065 BKN095 13.9 5 17.8 12.2 55% 75.92 1012.6
29 16:53 W 20 G 39 16.09 Overcast OVC065 15 2.8 44% 75.9 1012.0
29 15:53 W 28 G 44 16.09 Partly Cloudy FEW060 SCT090 16.7 3.3 41% 75.92 1012.1
29 14:53 W 24 G 54 16.09 Mostly Cloudy FEW047 SCT060 BKN090 16.7 2.2 38% 75.92 1012.0
29 13:53 W 20 G 41 16.09 Overcast BKN070 OVC085 16.1 3.3 43% 75.92 1011.8
29 12:53 W 7 16.09 Overcast OVC065 15.6 2.2 41% 75.95 1012.4
29 11:53 N 11 16.09 A Few Clouds FEW070 14.4 2.2 14.4 11.1 44% 75.97 1012.7
29 10:53 N 9 16.09 Mostly Cloudy BKN070 BKN080 13.9 2.8 47% 76 1013.5
29 09:53 W 6 16.09 Mostly Cloudy FEW070 BKN100 13.3 0.6 42% 76.05 1014.7
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)