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 17:53 NE 7 16.09 Fair CLR 20 0 20.6 16.1 26% 76.17 1016.1
02 16:53 NE 15 16.09 Fair CLR 20.6 0.6 26% 76.23 1016.4
02 15:53 N 11 16.09 Fair CLR 20 1.1 28% 76.28 1017.2
02 14:53 N 17 16.09 Fair CLR 18.9 0.6 29% 76.35 1018.3
02 13:53 N 19 16.09 Fair CLR 18.3 0.6 31% 76.35 1018.1
02 12:53 Calm 16.09 Fair CLR 17.2 0 31% 76.4 1018.9
02 11:53 Vrbl 11 16.09 Fair CLR 16.1 0.6 16.7 3.9 35% 76.48 1020.0
02 10:53 N 11 16.09 Fair CLR 14.4 1.1 41% 76.5 1020.2
02 09:53 Vrbl 6 16.09 Fair CLR 13.3 0 40% 76.56 1021.3
02 08:53 SW 9 16.09 Fair CLR 11.7 -1.7 40% 76.56 1020.4
02 07:53 SW 11 16.09 Fair CLR 7.2 -1.7 54% 5 76.56 1020.8
02 06:53 Calm 16.09 Fair CLR 5 -1.7 62% 76.48 1020.0
02 05:53 Calm 16.09 Fair CLR 4.4 -1.1 10.6 3.9 68% 76.43 1019.4
02 04:53 Calm 16.09 Fair CLR 5.6 -1.1 62% 76.4 1018.9
02 03:53 Calm 16.09 Fair CLR 6.7 -2.2 53% 76.38 1018.5
02 02:53 Calm 16.09 Fair CLR 6.7 -2.2 53% 76.35 1018.2
02 01:53 SW 9 16.09 Fair CLR 8.9 -2.2 46% 8 76.35 1018.0
02 00:53 W 6 16.09 Fair CLR 8.9 -2.2 46% 76.35 1018.1
01 23:53 Calm 16.09 Fair CLR 10.6 -2.2 21.7 10 41% 76.33 1018.0
01 22:53 Calm 16.09 Fair CLR 11.7 -1.7 40% 76.3 1018.0
01 21:53 W 11 16.09 Fair CLR 11.7 -1.7 40% 76.28 1018.3
01 20:53 SW 6 16.09 Fair CLR 17.8 -1.7 27% 76.23 1016.7
01 19:53 SE 9 16.09 Fair CLR 20 -1.7 23% 76.2 1016.6
01 18:53 E 13 16.09 Fair CLR 21.1 -3.9 18% 76.25 1017.2
01 17:53 E 20 16.09 Fair CLR 21.7 -3.9 22.2 15 18% 76.28 1017.6
01 16:53 NE 9 16.09 Fair CLR 21.7 -3.9 18% 76.3 1018.0
01 15:53 E 13 16.09 Fair CLR 21.1 -3.9 18% 76.35 1018.6
01 14:53 SE 13 16.09 Fair CLR 20.6 -2.8 21% 76.4 1019.1
01 13:53 Vrbl 9 16.09 Fair CLR 19.4 -2.2 23% 76.45 1019.9
01 12:53 Vrbl 7 16.09 Fair CLR 17.2 -2.8 26% 76.48 1020.2
01 11:53 E 9 16.09 Fair CLR 15 -1.7 15 0 32% 76.58 1021.9
01 10:53 Vrbl 6 16.09 Fair CLR 12.8 -1.7 37% 76.63 1023.1
01 09:53 Calm 16.09 Fair CLR 8.3 -1.7 50% 76.63 1023.0
01 08:53 N 7 16.09 Fair CLR 6.1 -1.1 60% 5 76.66 1023.5
01 07:53 Calm 16.09 Fair CLR 3.9 -1.7 67% 76.66 1023.4
01 06:53 Calm 16.09 Fair CLR 1.7 -2.8 72% 76.61 1023.0
01 05:53 Calm 16.09 Fair CLR 1.7 -3.3 7.2 1.7 70% 76.61 1022.8
01 04:53 Calm 16.09 Fair CLR 2.8 -2.8 67% 76.61 1022.7
01 03:53 Calm 16.09 Fair CLR 2.8 -2.8 67% 76.58 1022.4
01 02:53 S 7 16.09 Fair CLR 5 -2.8 57% 4 76.56 1022.1
01 01:53 Calm 16.09 Fair CLR 5 -2.8 57% 76.56 1021.8
01 00:53 Calm 16.09 Fair CLR 6.7 -2.8 51% 76.53 1021.5
30 23:53 SE 6 16.09 Fair CLR 7.2 -2.2 17.8 6.7 52% 76.53 1021.8
30 22:53 E 7 16.09 Fair CLR 7.2 -2.2 52% 6 76.53 1022.2
30 21:53 SW 15 16.09 Fair CLR 12.2 -4.4 31% 76.5 1021.6
30 20:53 SW 7 16.09 Fair CLR 13.9 -4.4 28% 76.48 1021.4
30 19:53 SE 6 16.09 Fair CLR 16.1 -6.1 21% 76.48 1021.3
30 18:53 Vrbl 7 16.09 Fair CLR 16.7 -5.6 21% 76.53 1021.7
30 17:53 Calm 16.09 Fair CLR 17.2 -6.1 17.2 11.7 20% 76.5 1021.5
30 16:53 Calm 16.09 Fair CLR 16.1 -5.6 22% 76.53 1022.0
30 15:53 SW 13 16.09 Fair CLR 16.1 -5.6 22% 76.61 1022.8
30 14:53 Calm 16.09 A Few Clouds FEW080 15 -4.4 26% 76.66 1023.5
30 13:53 N 9 16.09 Fair CLR 15.6 -4.4 25% 76.68 1023.9
30 12:53 Vrbl 6 16.09 Fair CLR 14.4 -5.6 25% 76.73 1024.8
30 11:53 Calm 16.09 Fair CLR 11.7 -1.1 11.7 0 41% 76.76 1025.5
30 10:53 E 6 16.09 Mostly Cloudy BKN090 8.3 -1.1 52% 76.81 1026.2
30 09:53 Vrbl 7 16.09 Overcast OVC090 5 -1.7 62% 4 76.84 1026.7
30 08:53 Calm 16.09 Overcast OVC095 2.8 -1.7 73% 76.86 1027.4
30 07:53 Calm 16.09 Overcast OVC095 1.7 -2.2 76% 76.86 1027.2
30 06:53 Calm 16.09 Overcast OVC090 1.7 -2.8 72% 76.84 1026.6
30 05:53 E 6 16.09 Mostly Cloudy BKN100 1.1 -3.3 5 0.6 73% 76.81 1026.3
30 04:53 Calm 16.09 Mostly Cloudy BKN100 1.7 -3.3 70% 76.81 1026.3
30 03:53 Calm 16.09 Mostly Cloudy BKN100 2.2 -3.3 67% 76.81 1026.1
30 02:53 SW 7 16.09 Partly Cloudy SCT100 3.3 -3.3 62% 2 76.81 1025.5
30 01:53 S 6 16.09 Fair CLR 3.3 -3.3 62% 76.81 1025.8
30 00:53 W 13 16.09 Fair CLR 3.3 -2.8 65% 0 76.81 1025.8
29 23:53 W 13 16.09 Fair CLR 3.3 -2.2 13.9 3.3 68% 0 76.78 1025.8
29 22:53 SW 11 16.09 Fair CLR 7.2 -2.8 49% 5 76.76 1025.3
29 21:53 SW 13 16.09 A Few Clouds FEW110 8.9 -2.8 44% 7 76.76 1025.3
29 20:53 W 11 16.09 Mostly Cloudy BKN110 8.9 -3.3 42% 7 76.71 1024.9
29 19:53 N 13 16.09 Mostly Cloudy BKN095 11.7 -5.6 30% 76.66 1024.2
29 18:53 N 22 16.09 Overcast OVC090 12.2 -5 30% 76.66 1024.5
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)