Weather observations for the past three days for
Lewistown, Lewistown Municipal Airport
Metric (Imperial)
Date Time (mst) 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.
05 14:54 SW 15 16.09 Mostly Cloudy BKN060 -1.1 -6.1 69% -5 75.46 1008.5
05 13:54 SW 6 16.09 Fair CLR -1.1 -6.7 66% 75.57 1009.9
05 12:54 S 6 16.09 Fair CLR -0.6 -5.6 69% 75.64 1011.0
05 11:54 S 9 16.09 Fair CLR -1.7 -6.1 72% -5 75.77 1012.7
05 10:54 S 11 16.09 Mostly Cloudy BKN070 BKN085 -1.1 -5 -1.1 -2.2 75% -5 75.87 1014.3 0.08
05 09:54 SW 17 16.09 Overcast FEW070 OVC090 -2.2 -4.4 85% -7 75.92 1015.3
05 08:54 W 15 16.09 Overcast BKN070 OVC090 -1.7 -3.3 89% -6 75.95 1015.4
05 07:54 SW 19 16.09 Overcast OVC020 -1.1 -2.8 88% -6 75.97 1015.2 0.08
05 06:54 W 13 16.09 Overcast FEW005 SCT009 OVC017 -1.7 -2.2 96% -6 75.97 1015.4 0.03
05 05:54 W 11 14.48 Overcast OVC002 -1.7 -1.7 100% -5 75.95 1015.1 0.05
05 04:52 NW 13 1.21 Light Snow Fog/Mist VV009 -1.7 -1.7 1.1 -1.7 100% -6 75.92 1014.6 0.05 0.08
05 03:54 Vrbl 11 4.02 Light Snow Fog/Mist SCT021 BKN029 OVC043 -1.1 -2.8 88% -5 75.92 1014.6 0.03
05 02:54 W 9 16.09 Overcast BKN036 OVC050 -0.6 -3.9 79% -3 75.92 1014.6
05 01:54 NW 19 16.09 Overcast SCT060 OVC110 0 -4.4 73% -5 75.87 1013.9
05 00:54 NW 20 G 35 14.48 Overcast BKN046 BKN065 OVC080 0.6 -3.9 72% -4 75.87 1013.9
04 23:54 W 20 G 35 16.09 Overcast SCT060 BKN070 OVC110 0.6 -3.9 72% -4 75.84 1013.2
04 22:54 NW 22 G 43 16.09 Overcast OVC055 0 -2.8 2.2 -0.6 82% -5 75.84 1013.3
04 21:54 NW 15 16.09 Overcast FEW055 BKN070 OVC085 -0.6 -2.2 89% -5 75.84 1014.1
04 20:54 N 6 16.09 Overcast OVC045 0 -2.8 82% 75.82 1013.6
04 19:54 NW 7 16.09 Overcast OVC049 1.7 -3.9 67% -0 75.77 1013.2
04 18:54 NW 20 G 37 16.09 Overcast BKN047 OVC060 1.7 -3.3 70% -3 75.77 1013.1
04 17:54 NW 11 16.09 Overcast OVC050 1.7 -2.8 72% -1 75.77 1012.6
04 16:54 W 22 G 37 16.09 Overcast OVC050 2.2 -2.8 2.2 0 70% -2 75.72 1011.9 0.08
04 15:54 W 24 16.09 Overcast OVC050 2.2 -2.8 70% -3 75.69 1011.7
04 14:54 N 6 16.09 Overcast OVC055 0.6 -1.1 89% 75.64 1011.2
04 13:54 SW 15 16.09 Overcast OVC050 0.6 -0.6 92% -3 75.67 1011.5 0.08
04 12:54 W 15 1.21 Light Snow Fog/Mist BKN002 OVC006 0 -0.6 96% -4 75.72 1012.3 0.08
04 11:54 W 30 16.09 Overcast BKN035 BKN044 OVC055 1.7 -3.3 70% -4 75.77 1012.8
04 10:54 SW 26 G 46 16.09 Mostly Cloudy BKN060 0.6 -4.4 1.1 -5.6 70% -5 75.79 1013.4
04 09:54 SW 22 16.09 Fair CLR -1.7 -6.7 69% -7 75.82 1015.1
04 08:54 SW 24 16.09 Fair CLR -2.8 -7.2 72% -9 75.84 1015.1
04 07:54 SW 20 16.09 Fair CLR -5 -8.3 78% -11 75.9 1016.1
04 06:54 SW 30 16.09 Fair CLR -4.4 -7.8 77% -12 75.95 1017.1
04 05:54 SW 31 16.09 Fair CLR -2.8 -6.7 75% -10 75.95 1016.5
04 04:54 SW 28 16.09 Overcast OVC060 -2.2 -6.1 -1.7 -5.6 75% -9 76 1017.2
04 03:54 SW 22 16.09 Mostly Cloudy BKN060 -3.3 -6.7 78% -9 76.05 1017.9
04 02:54 SW 26 16.09 Overcast BKN050 OVC085 -2.2 -6.1 75% -8 76.05 1017.2
04 01:54 SW 20 16.09 Overcast OVC055 -2.8 -6.1 78% -8 76.05 1017.4
04 00:54 SW 24 16.09 Overcast OVC060 -3.3 -6.7 78% -10 76.07 1018.0
03 23:54 W 13 16.09 Mostly Cloudy FEW090 BKN110 -4.4 -7.8 77% -9 76.07 1018.4
03 22:54 SW 17 16.09 Fair CLR -4.4 -7.8 -4.4 -10 77% -10 76.07 1018.7
03 21:54 SW 13 16.09 Fair CLR -8.3 -10.6 84% -14 76.07 1019.3
03 20:54 W 13 16.09 Fair CLR -6.1 -9.4 78% -11 76.05 1018.9
03 19:54 SW 11 16.09 Fair CLR -6.7 -9.4 81% -11 76.07 1019.1
03 18:54 W 19 16.09 Fair CLR -8.3 -10.6 84% -15 76.1 1019.6
03 17:54 Calm 16.09 Fair CLR -6.1 -8.9 81% 76.1 1019.6
03 16:54 SE 9 16.09 Fair CLR -6.1 -6.1 -2.2 -8.3 100% -10 76.1 1019.5
03 15:54 SE 7 16.09 Fair CLR -5.6 -6.7 92% -9 76.15 1020.1
03 14:54 E 7 16.09 Fair CLR -2.2 -5 81% -5 76.17 1019.6
03 13:54 E 7 16.09 Fair CLR -2.2 -5 81% -5 76.23 1020.3
03 12:54 SE 6 16.09 Fair CLR -3.9 -6.1 85% 76.3 1021.5
03 11:54 E 6 16.09 Fair CLR -5 -7.2 85% 76.38 1022.5
03 10:54 SE 6 16.09 Fair CLR -6.1 -7.8 -6.1 -7.8 88% 76.45 1023.6 0.03
03 09:54 E 9 16.09 Fair CLR -6.7 -8.3 89% -11 76.48 1023.9
03 08:54 E 6 16.09 Mostly Cloudy BKN050 -7.2 -7.2 100% 76.48 1023.8
03 07:54 Calm 16.09 Overcast OVC030 -6.7 -7.8 92% 76.5 1024.1 0.03 0.03
03 06:54 Calm 4.83 Light Snow Fog/Mist FEW012 BKN027 OVC038 -6.7 -7.8 92% 76.53 1024.3
03 05:54 SW 7 16.09 Overcast OVC005 -7.2 -7.8 96% -10 76.53 1024.4
03 04:54 Calm 9.66 Light Snow Fog/Mist BKN003 BKN025 OVC095 -7.2 -8.3 -3.3 -8.9 92% 76.53 1024.5 0.03
03 03:54 W 9 8.05 Light Snow Fog/Mist FEW015 SCT037 OVC110 -6.7 -7.8 92% -11 76.53 1024.5
03 02:54 NW 13 4.02 Light Snow Fog/Mist OVC028 -5.6 -6.7 92% -10 76.53 1023.9
03 01:54 Vrbl 6 16.09 Overcast BKN009 OVC014 -5.6 -6.7 92% 76.5 1023.6 0.03
03 00:54 NW 7 16.09 Overcast SCT013 BKN024 OVC110 -5.6 -6.1 96% -9 76.45 1023.1
02 23:54 NW 17 G 33 6.44 Light Snow Fog/Mist SCT005 BKN017 OVC047 -4.4 -5.6 91% -10 76.4 1022.3 0.03
02 22:54 NW 17 G 31 4.02 Light Snow Fog/Mist BKN005 BKN008 OVC012 -3.3 -3.9 -0.6 -3.3 96% -8 76.35 1021.4 0.05 0.05
02 20:54 NW 17 G 33 16.09 Overcast BKN005 BKN009 OVC015 -1.7 -2.2 96% -6 76.23 1019.3
02 19:54 NW 24 G 37 14.48 Overcast OVC003 -1.1 -1.7 96% -7 76.17 1018.4
02 18:54 NW 24 G 44 4.83 Light Snow Fog/Mist BKN003 BKN010 OVC017 -1.1 -1.7 96% -7 76.1 1017.5
02 17:54 NW 26 G 39 16.09 Overcast BKN005 OVC013 -1.1 -1.7 96% -7 76.05 1016.8
02 16:54 NW 20 G 44 9.66 Light Snow Fog/Mist OVC003 -0.6 -1.1 -0.6 -1.1 96% -6 76 1016.1 0.03 0.05
02 15:54 NW 24 4.83 Light Snow Fog/Mist OVC002 -1.1 -1.1 100% -7 75.92 1014.8
Date Time (mst) 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)