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West Yellowstone
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D
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Time
(mst)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. Temperature (ºF)Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
PressurePrecipitation (in.)
AirDwpt6 hour altimeter
(in)
sea level
(mb)
1 hr 3 hr6 hr
Max.Min.
1209:30Calm6.00 Light Unknown PrecipOVC0092727 100%NANA30.37NA
1209:15Calm7.00OvercastOVC0112727 100%NANA30.37NA
1208:55Calm4.00 Light Unknown PrecipOVC0112525 100%NANA30.37NA
1208:35Calm8.00OvercastOVC0102525 100%NANA30.37NA
1208:15Calm4.00 Light Unknown PrecipOVC0072525 100%NANA30.36NA
1207:55Calm7.00OvercastOVC0082525 100%NANA30.36NA
1207:35Calm3.00 Fog/MistBKN010 OVC0142323 100%NANA30.36NA
1206:55NE 35.00 Light SnowFEW009 SCT014 OVC0362323 100%NANA30.36NA
1206:35Calm3.00 Light SnowOVC0102323 100%NANA30.35NA
1206:15Calm2.50 Light SnowBKN005 OVC0102323 100%NANA30.36NA
1205:55Calm7.00 Light SnowOVC0052323 100%NANA30.36NA
1205:30Calm6.00 Light Unknown PrecipOVC0032121 100%NANA30.36NA
1205:15Calm10.00OvercastOVC0032121 100%NANA30.36NA
1204:55Calm10.00OvercastOVC0032121 100%NANA30.36NA
1204:35Calm10.00OvercastOVC0042121 100%NANA30.36NA
1204:15Calm10.00OvercastOVC0071919 100%NANA30.36NA
1203:55Calm10.00OvercastOVC0091919 100%NANA30.37NA
1203:35Calm10.00OvercastOVC0081919 100%NANA30.37NA
1203:15Calm10.00OvercastOVC0081919 100%NANA30.37NA
1202:55Calm10.00OvercastOVC0081818 100%NANA30.37NA
1202:35Calm10.00OvercastBKN007 OVC0151818 100%NANA30.37NA
1202:15Calm10.00OvercastBKN012 BKN050 OVC0851616 100%NANA30.36NA
1201:55Calm10.00OvercastBKN008 BKN016 OVC0901212 100%NANA30.37NA
1201:35Calm10.00Mostly CloudyBKN0081414 100%NANA30.36NA
1201:15Calm1.25 Fog/MistSCT0101414 100%NANA30.35NA
1200:55Calm1.25 Fog/MistCLR1414 100%NANA30.36NA
1200:35Calm2.00 Fog/MistFEW0421616 100%NANA30.35NA
1200:15Calm1.00 Fog/MistSCT0431616 100%NANA30.36NA
1123:55Calm0.25 Freezing FogBKN0451616 100%NANA30.35NA
1123:35Calm7.00Partly CloudySCT0461818 100%NANA30.35NA
1123:15Calm2.00 Fog/MistFEW0482121 100%NANA30.34NA
1122:55Calm0.25 Freezing FogBKN0481919 100%NANA30.34NA
1122:35NE 31.25 Fog/MistSCT0502121 100%NANA30.33NA
1122:15E 60.50 Freezing FogVV0051919 100%11NA30.33NA
1121:55NE 51.00 Fog/MistCLR2121 100%14NA30.33NA
1121:35N 510.00FairCLR2323 100%17NA30.32NA
1121:15SW 810.00A Few CloudsFEW0502525 100%16NA30.31NA
1120:55SW 8 G 1710.00FairCLR2727 100%19NA30.30NA
1120:35SW 13 G 2110.00A Few CloudsFEW0552727 100%16NA30.30NA
1120:15SW 1510.00Partly CloudyFEW043 SCT0552525 100%13NA30.28NA
1119:55SW 810.00Mostly CloudyFEW037 SCT050 BKN0602727 100%19NA30.29NA
1119:35SW 810.00Mostly CloudyFEW036 SCT041 BKN0502525 100%16NA30.29NA
1119:15SW 510.00Mostly CloudyFEW041 BKN0502727 100%21NA30.28NA
1118:55SW 6 G 1210.00Mostly CloudyFEW037 FEW046 BKN0502727 100%20NA30.28NA
1118:35SW 910.00OvercastFEW038 BKN055 OVC0652727 100%18NA30.27NA
1118:15SW 710.00OvercastOVC0602827 93%21NA30.27NA
1117:55SW 810.00OvercastFEW048 OVC0602827 93%20NA30.26NA
1117:35SW 910.00OvercastSCT048 BKN055 OVC0602828 100%19NA30.25NA
1117:15Calm9.00OvercastSCT041 BKN047 OVC0602828 100%NANA30.25NA
1116:55Calm9.00OvercastFEW019 OVC0392828 100%NANA30.24NA
1116:35Calm7.00OvercastFEW009 SCT020 OVC0392828 100%NANA30.24NA
1116:15NE 55.00 Light SnowFEW011 SCT025 BKN0372828 100%22NA30.24NA
1115:55NE 53.00 Light SnowFEW011 SCT029 BKN0342828 100%22NA30.24NA
1115:35SW 38.00 Light Unknown PrecipFEW019 BKN032 OVC0393027 86%NANA30.23NA
1115:15SW 89.00OvercastFEW020 BKN037 OVC0442827 93%20NA30.22NA
1114:55SW 88.00OvercastOVC0412827 93%20NA30.21NA
1114:35SW 89.00Mostly CloudyFEW018 BKN042 BKN0502825 86%20NA30.21NA
1114:15SW 99.00Mostly CloudyBKN017 BKN035 BKN0412825 86%19NA30.21NA
1113:55SW 1010.00Mostly CloudyBKN018 BKN041 BKN0492825 86%19NA30.21NA
1113:35S 83.00 Light SnowSCT0192725 93%19NA30.21NA
1113:15SW 9 G 164.00 Light Unknown PrecipSCT0182725 93%18NA30.21NA
1112:55S 105.00 Fog/MistSCT017 SCT0232725 93%18NA30.21NA
1112:35SW 78.00Mostly CloudySCT023 BKN028 BKN0352725 93%19NA30.21NA
1112:15SW 75.00 Light SnowBKN029 OVC0382725 93%19NA30.21NA
1111:55SW 9 G 168.00Mostly CloudyFEW019 BKN037 BKN0552725 93%18NA30.21NA
1111:35SW 132.00 Light SnowFEW015 FEW021 SCT0392725 93%16NA30.21NA
1111:15SW 94.00 Light SnowSCT015 SCT0412723 86%18NA30.22NA
1110:55SW 91.50 Light SnowBKN0162525 100%16NA30.22NA
1110:35SW 91.25 Light SnowCLR2523 93%16NA30.23NA
1110:15SW 71.50 Light SnowCLR2523 93%17NA30.23NA
1109:55SW 31.00 Light SnowCLR2523 93%NANA30.23NA
1109:35SW 6 G 140.75 Light SnowBKN0032525 100%18NA30.23NA
1109:15SW 71.00 Light SnowCLR2523 93%17NA30.23NA
1108:55SW 61.75 Light SnowSCT003 SCT012 SCT0212525 100%18NA30.23NA
1108:35SW 80.75 Light SnowBKN003 BKN0132525 100%16NA30.23NA
1108:15SW 63.00 Light SnowSCT013 SCT023 SCT0382523 93%18NA30.23NA
1107:50SW 58.00 Light Unknown PrecipBKN014 BKN029 OVC0452323 100%17NA30.23NA
1107:35Calm10.00OvercastSCT013 SCT040 OVC0452321 93%NANA30.22NA
1107:15Calm10.00OvercastFEW012 OVC0452323 100%NANA30.22NA
1106:55SW 810.00OvercastSCT011 BKN043 OVC0752321 93%14NA30.23NA
1106:35SW 1010.00OvercastOVC0112323 100%13NA30.23NA
1106:15SW 810.00OvercastOVC0122321 93%14NA30.23NA
1105:55Vrbl 610.00Mostly CloudyBKN012 BKN0182321 93%16NA30.23NA
1105:35SW 9 G 1610.00Partly CloudySCT0132321 93%13NA30.23NA
1105:15SW 10 G 1710.00Mostly CloudySCT010 BKN0142321 93%13NA30.23NA
1104:55Vrbl 5 G 1210.00OvercastOVC0102121 100%14NA30.24NA
1104:35Vrbl 3 G 1210.00OvercastOVC0102121 100%NANA30.25NA
1104:15SW 8 G 1710.00OvercastOVC0092121 100%11NA30.24NA
1103:55SW 8 G 1410.00Mostly CloudyBKN0082121 100%11NA30.24NA
1103:35SW 8 G 1610.00A Few CloudsFEW0081919 100%9NA30.24NA
1103:15SW 1510.00Partly CloudyFEW008 SCT0951919 100%5NA30.23NA
1102:55Vrbl 510.00A Few CloudsFEW1001616 100%8NA30.24NA
1102:35Calm10.00FairCLR1818 100%NANA30.24NA
1102:15SW 1010.00FairCLR1818 100%6NA30.23NA
1101:55SW 810.00FairCLR1818 100%8NA30.24NA
1101:35Calm10.00FairCLR1010 100%NANA30.24NA
1101:15NE 510.00FairCLR129 85%4NA30.24NA
1100:55SW 310.00FairCLR109 92%NANA30.23NA
1100:35W 510.00FairCLR99 100%0NA30.23NA
1100:15Calm10.00FairCLR1010 100%NANA30.23NA
1023:35Vrbl 610.00FairCLR1616 100%7NA30.22NA
1020:55SW 810.00FairCLR2118 86%11NA30.20NA
1020:35SW 610.00FairCLR2118 86%13NA30.20NA
1020:10SW 710.00A Few CloudsFEW055 FEW0702318 80%15NA30.20NA
1019:55SW 610.00Mostly CloudySCT050 BKN0652121 100%13NA30.19NA
1019:35Vrbl 510.00OvercastBKN050 OVC0652323 100%17NA30.19NA
1019:15S 510.00OvercastFEW046 BKN050 OVC0652523 93%19NA30.19NA
1018:55Calm10.00OvercastFEW046 BKN055 OVC0702523 93%NANA30.19NA
1018:35S 510.00OvercastFEW036 BKN041 OVC0552523 93%19NA30.18NA
1018:15Calm10.00OvercastOVC0382723 86%NANA30.18NA
1017:55E 510.00OvercastBKN037 BKN048 OVC0552525 100%19NA30.16NA
1017:35E 710.00OvercastFEW037 SCT048 OVC0552523 93%17NA30.15NA
1017:15Calm10.00Mostly CloudyFEW032 SCT038 BKN0492523 93%NANA30.16NA
1016:55SW 610.00Mostly CloudyFEW033 SCT041 BKN0492723 86%20NA30.16NA
1016:35SW 8 G 1410.00Partly CloudyFEW026 FEW042 SCT0502723 86%19NA30.15NA
1016:15SW 810.00A Few CloudsFEW039 FEW0502723 86%19NA30.14NA
1015:55SW 13 G 1810.00Mostly CloudyFEW027 SCT036 BKN0422821 74%17NA30.14NA
1015:35SW 12 G 1710.00Mostly CloudyFEW037 SCT045 BKN0602821 74%18NA30.14NA
1015:15SW 1610.00OvercastFEW041 BKN046 OVC0652819 69%16NA30.13NA
1014:55SW 10 G 1610.00OvercastBKN044 BKN050 OVC0602821 74%19NA30.14NA
1014:35SW 1310.00OvercastBKN045 OVC0552818 64%17NA30.15NA
1014:15SW 6 G 1410.00OvercastBKN050 OVC0552818 64%21NA30.15NA
1013:55SW 9 G 1710.00Mostly CloudyBKN055 BKN065 BKN0702818 64%19NA30.15NA
1013:35SW 1610.00Mostly CloudyFEW045 BKN0602816 59%16NA30.15NA
1013:15SW 1310.00Mostly CloudyBKN055 BKN0652818 64%17NA30.14NA
1012:55SW 14 G 2210.00OvercastFEW044 OVC0502816 59%17NA30.14NA
1012:35SW 1710.00Mostly CloudyFEW037 SCT043 BKN0552818 64%16NA30.14NA
1012:15SW 10 G 1810.00FairCLR2819 69%19NA30.14NA
1011:55SW 1310.00FairCLR2819 69%17NA30.14NA
1011:35SW 10 G 2110.00FairCLR2819 69%19NA30.15NA
1011:15SW 1310.00FairCLR2718 69%16NA30.16NA
1010:55SW 1210.00FairCLR2716 64%16NA30.16NA
1010:35SW 1210.00FairCLR2716 64%16NA30.15NA
1010:15SW 1310.00FairCLR2514 63%13NA30.15NA
1009:55SW 1310.00FairCLR2518 74%13NA30.14NA
1009:35SW 1410.00FairCLR2516 69%13NA30.14NA
1009:15SW 1410.00FairCLR2318 80%11NA30.14NA
1008:55S 1210.00FairCLR2318 80%11NA30.13NA
1008:35SW 610.00FairCLR1916 86%11NA30.13NA
1008:15S 1310.00FairCLR2118 86%8NA30.12NA
1007:55SE 710.00FairCLR2118 86%12NA30.11NA
1007:35SE 510.00FairCLR2119 93%14NA30.11NA
1007:15S 710.00FairCLR1918 93%10NA30.10NA
1006:55SW 310.00FairCLR2321 93%NANA30.10NA
1006:35Vrbl 310.00FairCLR2121 100%NANA30.09NA
1006:15Calm10.00FairCLR2119 93%NANA30.08NA
1005:55Calm10.00FairCLR2321 93%NANA30.08NA
1005:35Calm10.00Partly CloudyFEW050 SCT060 SCT0752723 86%NANA30.07NA
1005:15Vrbl 310.00OvercastFEW050 SCT065 OVC0752723 86%NANA30.07NA
1004:55Calm10.00OvercastSCT050 BKN065 OVC0752725 93%NANA30.06NA
1004:35Vrbl 710.00OvercastSCT045 OVC0502827 93%21NA30.05NA
1004:15Vrbl 59.00 Light SnowSCT036 OVC0482828 100%22NA30.04NA
1003:55W 8 G 168.00 Light Unknown PrecipFEW017 SCT030 BKN0403030 100%22NA30.03NA
1003:15SW 1210.00OvercastSCT029 BKN035 OVC0423232 100%23NA30.01NA
1002:55SW 6 G 1210.00OvercastFEW036 SCT043 OVC0703232 100%26NA30.01NA
1002:35SW 12 G 1810.00OvercastOVC0703232 100%23NA30.01NA
1002:15SW 1210.00OvercastOVC0703232 100%23NA30.01NA
1001:55SW 1010.00OvercastFEW014 FEW019 OVC0703030 100%21NA30.01NA
1001:35SW 710.00OvercastBKN013 BKN019 OVC0803232 100%25NA30.01NA
1001:15S 610.00OvercastBKN013 OVC0193232 100%26NA30.01NA
1000:55SE 610.00OvercastSCT009 BKN013 OVC0183232 100%26NA30.01NA
1000:35Calm10.00OvercastBKN007 OVC0113232 100%NANA30.00NA
1000:15SW 89.00OvercastOVC0043232 100%25NA29.99NA
0923:55SW 153.00 Fog/MistOVC0033232 100%22NA29.99NA
0923:35SW 154.00 Fog/MistOVC0033232 100%22NA29.98NA
0923:15SW 129.00OvercastBKN005 OVC0133232 100%23NA29.98NA
0922:55SW 125.00 Fog/MistBKN007 OVC0133232 100%23NA29.98NA
0922:35SW 146.00 Fog/MistBKN007 OVC0133434 100%25NA29.98NA
0922:15SW 133.00 Fog/MistOVC0063434 100%25NA29.98NA
0921:55SW 145.00 Fog/MistBKN007 OVC0133434 100%25NA29.98NA
0921:35SW 97.00OvercastSCT007 BKN014 OVC0413434 100%27NA29.97NA
0921:15W 105.00 Fog/MistBKN006 OVC0103434 100%26NA29.96NA
0920:55SW 72.00 Fog/MistOVC0043232 100%25NA29.96NA
0920:35W 109.00OvercastOVC0053232 100%24NA29.94NA
0920:15SW 1310.00Mostly CloudyBKN009 BKN035 BKN0503434 100%25NA29.94NA
0919:55SW 9 G 1510.00Mostly CloudyFEW009 FEW035 BKN0493232 100%24NA29.93NA0.01
0919:35SW 610.00OvercastFEW036 SCT048 OVC0703232 100%26NA29.93NA
0919:15S 65.00 Light SnowFEW003 BKN035 OVC0753232 100%26NA29.93NA
0918:55S 62.00 Light SnowSCT003 BKN035 BKN0423232 100%26NA29.94NA
0918:35SW 62.00 Light SnowFEW003 FEW012 SCT0313232 100%26NA29.94NA
0918:15SW 92.50 Light SnowFEW009 BKN031 OVC0553232 100%24NA29.94NA
0917:55SW 9 G 152.50 Light SnowFEW003 SCT008 BKN0393232 100%24NA29.93NA
0917:35SW 102.00 Light SnowFEW004 SCT010 BKN0603232 100%24NA29.92NA
0917:15SW 92.50 Light SnowFEW011 SCT050 BKN0603434 100%27NA29.92NA
0916:55SW 12 G 170.75 Light SnowBKN003 BKN0113434 100%25NA29.91NA0.01
0916:35SW 140.75 Light SnowBKN003 BKN0073434 100%25NA29.91NA
0916:15SW 130.75 Light SnowVV0053434 100%25NA29.92NA
0915:55SW 91.00 Light SnowSCT0033434 100%27NA29.92NA0.01
0915:35SW 81.00 Light SnowSCT003 SCT014 SCT0263434 100%27NA29.92NA
0915:15SW 7 G 153.00 Light SnowFEW027 FEW034 FEW0403434 100%28NA29.92NA
0914:55S 131.75 Light SnowSCT004 SCT0403434 100%25NA29.92NA0.02
0914:35SW 101.50 Light SnowCLR3434 100%26NA29.92NA
0914:15SW 101.00 Light SnowVV0073434 100%26NA29.92NA
0913:55SW 12 G 222.00 Light SnowCLR3434 100%25NA29.93NA0.03
0913:35S 122.00 Light SnowCLR3634 93%28NA29.93NA
0913:15SE 92.00 Light SnowFEW014 FEW0213434 100%27NA29.94NA
0912:55SW 90.75 Light SnowSCT005 BKN0133434 100%27NA29.95NA0.05
0912:35S 8 G 181.00 Light SnowVV0073434 100%27NA29.95NA
0912:15SW 101.00 Light SnowSCT0143434 100%26NA29.96NA
0911:55SW 80.75 Light SnowSCT003 BKN0143434 100%27NA29.97NA0.04
0911:35SW 120.50 Light SnowBKN0033232 100%23NA29.98NA
0911:15Calm0.75 Light SnowBKN003 BKN0173434 100%NANA29.99NA
0910:55SW 9 G 210.75 Light SnowVV0053232 100%24NA29.99NA0.01
0910:35SW 15 G 221.00 Light SnowVV0073232 100%22NA29.99NA
0910:15Calm0.75 Light SnowBKN0032525 100%NANA30.00NA
0909:55Vrbl 30.50 Light SnowOVC0032323 100%NANA30.01NA0.01
D
a
t
e
Time
(mst)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. AirDwptMax.Min.Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
altimeter
(in.)
sea level
(mb)
1 hr3 hr6 hr
6 hour
Temperature (ºF)PressurePrecipitation (in.)

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Last Modified: Febuary, 7 2012
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