151  
FOUS55 KRIW 182135  
PFMRIW  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE RIVERTON WY  
335 PM MDT SAT MAY 18 2013  
 
WYZ020-191115-  
CASPER-NATRONA WY  
42.91N 106.46W ELEV. 5530 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 46 58 43 54 40  
TEMP 69 57 53 48 46 52 56 58 56 50 47 44 43 48 52 54 53 46 44 41 40  
DEWPT 34 41 44 41 41 40 38 36 35 39 40 39 39 40 40 39 39 38 39 37 36  
RH 27 55 71 77 83 63 51 44 45 66 76 82 86 74 63 57 59 73 82 85 85  
WIND DIR W NW NW NW W NW NW NW NW N NW W NW NW NW N N N N NW W  
WIND SPD 12 11 10 10 12 13 11 12 10 11 10 18 17 20 28 18 17 16 11 6 10  
WIND GUST 40  
CLOUDS BK BK OV BK OV OV BK BK OV OV OV OV OV OV OV OV OV OV BK BK SC  
POP 12HR 40 50 60 60 40  
QPF 12HR 0.07 0.18 0.12 0.20 0.04  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C S C C C C C C C C C L L L L C C C C S  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 63 40 75 45 83 50 83 52 82  
TEMP 59 60 46 40 69 72 53 46 77 79 58 50 77 80 60 52 77 78  
DEWPT 36 31 36 33 37 33 41 38 43 37 44 40 38 33 45 42 41 35  
PWIND DIR NW NE SE SE SE SE S S SW  
WIND CHAR GN LT LT GN LT GN GN GN GN  
AVG CLOUDS SC SC SC FW FW FW SC SC SC SC BK SC FW SC SC FW FW FW  
POP 12HR 20 10 20 10 20 20 20 20 20  
RAIN SHWRS S S S S S S S S  
TSTMS S S S S S  
 

 
 
WYZ017-191115-  
RIVERTON-FREMONT WY  
43.06N 108.46W ELEV. 5525 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 44 58 42 58 42  
TEMP 63 54 51 46 44 49 56 57 56 49 47 43 42 48 55 57 56 49 47 43 42  
DEWPT 35 38 39 38 38 38 36 33 34 36 38 37 38 39 38 37 36 36 37 36 36  
RH 35 54 63 73 79 66 47 40 43 61 71 79 86 71 53 47 47 61 68 76 79  
WIND DIR NW NW N W NW N N NW NW N NW NW NW NW N N N N NW W W  
WIND SPD 18 13 6 6 9 9 10 14 12 12 8 9 18 20 26 23 24 12 9 4 4  
WIND GUST 29 36  
CLOUDS SC SC OV SC BK BK OV OV OV OV OV OV OV OV BK BK BK BK SC SC SC  
POP 12HR 40 50 60 60 30  
QPF 12HR 0.07 0.19 0.09 0.09 0.02  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C S C C C C C L L C C L L C C S S S S  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 68 45 78 51 83 53 83 53 80  
TEMP 64 65 52 45 73 75 59 51 78 80 62 53 78 80 62 53 76 76  
DEWPT 36 33 37 36 38 34 40 40 41 38 42 40 36 33 41 41 39 34  
PWIND DIR NW SE S S S S S SW SW  
WIND CHAR LT LT LT LT LT LT GN GN LT  
AVG CLOUDS SC SC FW SC FW SC SC SC SC SC SC SC FW SC SC FW FW SC  
POP 12HR 10 10 20 20 20 10 20 20 20  
RAIN SHWRS S S S S S S S  
TSTMS S S S S S S  
 

 
 
WYZ018-191115-  
LANDER-FREMONT WY  
42.82N 108.73W ELEV. 5586 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 43 57 41 57 41  
TEMP 63 54 49 47 43 48 55 56 56 49 45 44 41 47 55 56 55 49 45 43 41  
DEWPT 34 34 34 34 33 36 35 34 32 34 36 36 36 40 40 38 36 36 35 34 34  
RH 34 46 56 60 67 63 47 43 40 56 70 73 82 76 57 51 49 61 68 70 76  
WIND DIR NW N NW W W N NE N N NW NW NW NW NW NW N N NW W W W  
WIND SPD 12 11 6 5 4 5 8 14 11 11 8 6 5 11 11 12 11 9 6 2 4  
CLOUDS SC SC BK SC SC SC OV OV OV OV OV OV OV OV BK BK BK BK SC SC SC  
POP 12HR 40 60 70 70 30  
QPF 12HR 0.08 0.20 0.13 0.10 0.03  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C L L C C L L C C C C S S  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 66 45 76 50 80 53 80 52 78  
TEMP 63 64 51 45 72 74 57 50 76 78 60 53 77 78 60 52 75 76  
DEWPT 38 30 34 33 39 32 37 36 41 35 39 37 38 30 39 37 41 34  
PWIND DIR NW SE S SW S S SW SW SW  
WIND CHAR LT LT LT LT LT LT LT GN GN  
AVG CLOUDS SC SC FW SC SC SC SC SC SC SC SC SC FW SC SC SC FW SC  
POP 12HR 10 10 20 30 20 10 20 20 20  
RAIN SHWRS S S S S S S S  
TSTMS S S S S S S  
 

 
 
WYZ028-191115-  
ROCK SPRINGS-SWEETWATER WY  
41.61N 109.07W ELEV. 6760 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 37 59 38 59 39  
TEMP 56 47 43 40 37 46 56 58 56 48 43 41 38 47 56 58 56 48 44 42 39  
DEWPT 31 34 34 32 32 33 30 28 29 35 34 33 34 37 36 34 34 36 35 33 33  
RH 38 60 70 73 82 60 37 32 35 60 70 73 85 68 47 40 43 63 70 70 79  
WIND DIR W W W W W W W W NW NW W W W W NW N N NW W W SW  
WIND SPD 18 14 12 11 12 14 16 17 17 14 9 18 17 18 11 10 6 6 5 2 5  
WIND GUST 29 27  
CLOUDS SC SC SC SC BK BK SC SC BK BK BK BK BK BK BK BK SC SC SC SC SC  
POP 12HR 20 40 30 40 30  
QPF 12HR 0.03 0.08 0.03 0.04 0.02  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S S S S S C C C C S S C C C C S S S S  
TSTMS S S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 66 44 74 48 78 49 75 47 75  
TEMP 62 63 50 44 69 70 55 48 73 74 56 49 71 71 54 47 71 70  
DEWPT 32 29 33 32 31 29 35 33 32 30 33 31 27 27 35 33 33 30  
PWIND DIR W SW S SW S S S SW SW  
WIND CHAR LT LT GN GN GN GN GN GN GN  
AVG CLOUDS SC FW FW FW SC SC SC SC SC SC SC SC FW SC SC SC FW FW  
POP 12HR 5 5 20 10 5 5 5 5 5  
RAIN SHWRS S S  
TSTMS S  
 

 
 
WYZ026-191115-  
BIG PINEY-SUBLETTE WY  
42.58N 110.11W ELEV. 6990 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 33 54 34 58 32  
TEMP 52 42 39 35 33 43 52 54 51 42 39 36 34 46 56 58 54 43 39 35 32  
DEWPT 33 31 30 28 27 31 30 30 32 33 33 32 31 36 34 34 35 33 32 30 28  
RH 48 65 70 75 78 62 43 40 48 70 79 85 89 68 43 40 48 67 76 82 85  
WIND DIR W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW N  
WIND SPD 14 10 9 6 6 9 13 18 18 16 13 13 13 18 14 20 16 11 9 3 3  
WIND GUST 29  
CLOUDS BK OV BK SC SC SC OV OV BK BK BK BK BK BK BK BK SC SC SC SC SC  
POP 12HR 30 40 30 30 20  
QPF 12HR 0.04 0.08 0.03 0.03 0.02  
SNOW 12HR 00-00 00-00 T 00-00 T  
RAIN SHWRS S S S S S S C C S S S S C C S S S S S S  
SNOWSHWRS S S S S S S  
TSTMS S S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 64 38 69 40 72 41 72 39 71  
TEMP 61 60 45 38 66 64 48 40 69 67 50 41 69 67 48 39 68 65  
DEWPT 32 34 36 33 34 36 37 33 34 37 39 35 32 36 38 34 34 36  
PWIND DIR NW S SE W SE SE SE W E  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS SC SC SC SC SC BK BK SC SC BK SC SC SC SC SC SC FW SC  
POP 12HR 5 10 20 20 10 10 10 10 10  
RAIN SHWRS S S S  
TSTMS S S  
 

 
 
WYZ025-191115-  
PINEDALE-SUBLETTE WY  
42.80N 109.81W ELEV. 7086 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 53 32 58 31  
TEMP 51 44 39 36 35 43 50 53 50 43 37 34 33 45 54 58 54 45 38 33 32  
DEWPT 33 32 32 31 30 31 30 29 31 32 33 32 31 35 35 34 36 35 34 31 30  
RH 50 62 76 82 82 62 46 39 48 65 85 92 92 68 48 40 50 68 85 92 92  
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW N NW N  
WIND SPD 14 9 8 6 9 13 16 14 17 16 11 11 11 18 12 13 9 8 4 2 4  
CLOUDS BK OV BK SC SC SC OV OV BK BK BK BK BK BK BK BK SC SC SC SC SC  
POP 12HR 30 50 40 40 30  
QPF 12HR 0.05 0.09 0.04 0.04 0.03  
SNOW 12HR 00-00 00-00 T 00-00 T  
RAIN SHWRS S S S S S S C C C C C C C C C C  
SNOWSHWRS S S C C S S  
TSTMS S S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 61 34 67 37 71 38 70 37 69  
TEMP 57 57 41 35 62 62 45 38 66 66 46 39 65 65 45 38 64 63  
DEWPT 32 33 36 33 32 34 39 36 35 37 40 37 33 34 39 36 34 34  
PWIND DIR NW SW SE SW SE S S W W  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS SC SC BK BK SC SC BK SC SC SC SC SC SC SC SC SC FW SC  
POP 12HR 5 10 20 30 10 10 10 10 10  
RAIN SHWRS S S S S  
TSTMS S S  
 

 
 
WYZ013-191115-  
JACKSON-TETON WY  
43.60N 110.73W ELEV. 6451 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 36 51 35 56 34  
TEMP 51 46 42 39 36 42 49 50 49 44 40 38 35 44 54 55 54 47 41 38 34  
DEWPT 35 34 34 33 32 32 33 33 33 33 34 34 34 35 37 36 36 35 34 33 32  
RH 54 63 73 79 85 67 54 52 54 65 79 85 96 70 52 49 50 63 76 82 92  
WIND DIR W SW SW SW S S NW NW NW N N N N N NW NW NW NW NE E E  
WIND SPD 12 10 6 5 6 8 8 8 5 5 6 6 6 9 11 10 11 8 6 1 3  
CLOUDS BK OV OV OV BK BK OV OV BK BK BK BK BK BK BK BK BK BK SC SC SC  
POP 12HR 60 60 30 30 20  
QPF 12HR 0.19 0.22 0.03 0.03 0.01  
SNOW 12HR 00-00 00-00 T 00-00 00-00  
RAIN SHWRS C C C C C C L L S S S S C C S S S S  
SNOWSHWRS C S S  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 64 38 69 37 70 40 71 37 68  
TEMP 61 61 47 38 66 66 48 37 66 67 50 40 68 68 48 37 65 65  
DEWPT 35 34 37 36 36 34 38 35 35 34 40 38 35 34 37 35 33 31  
PWIND DIR S S SE S SE SE SE S SE  
WIND CHAR LT LT LT LT LT LT LT LT GN  
AVG CLOUDS SC SC BK BK BK BK BK BK SC BK SC SC SC SC SC BK SC SC  
POP 12HR 5 10 30 20 20 10 20 10 10  
RAIN SHWRS S S S S S  
TSTMS S S S S  
 

 
 
WYZ001-191115-  
LAKE YELLOWSTONE-TETON WY  
44.55N 110.42W ELEV. 7835 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 33 45 29 46 29  
TEMP 46 39 37 34 33 38 43 45 45 37 34 31 29 36 43 45 45 37 34 31 29  
DEWPT 31 33 32 32 31 31 29 28 28 30 29 28 27 29 31 30 30 29 28 27 26  
RH 55 79 82 92 92 76 57 51 51 75 82 88 92 75 62 55 55 72 78 85 88  
WIND DIR W W SW SW NW NW NW NW N N N NW NW NW NW NW N N N NW W  
WIND SPD 10 4 3 3 4 4 6 9 13 12 11 11 11 12 12 11 11 9 6 2 0  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK SC SC SC  
POP 12HR 70 70 30 30 20  
QPF 12HR 0.30 0.34 0.03 0.04 0.02  
SNOW 12HR 1 T T T T  
RAIN SHWRS L L L L L L C C C C C C S S  
SNOWSHWRS L L L S S C C S S  
TSTMS L S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 56 32 58 32 58 35 60 32 60  
TEMP 52 55 39 32 54 57 40 32 54 57 42 35 56 59 40 32 55 59  
DEWPT 30 28 31 28 32 30 31 27 32 30 33 31 33 30 31 27 33 31  
PWIND DIR W S SE S SE SE SE S S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC FW SC BK BK SC SC BK BK SC SC BK SC SC FW SC  
POP 12HR 20 10 30 40 30 30 20 20 20  
RAIN SHWRS S S C C S S C C S S S S S S S  
SNOWSHWRS S S S  
TSTMS C C C C S S S  
 

 
 
WYZ003-191115-  
CODY-PARK WY  
44.52N 109.02W ELEV. 5102 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 45 55 41 54 43  
TEMP 56 52 49 46 45 50 54 55 55 49 46 43 41 47 52 53 53 49 47 44 43  
DEWPT 41 42 43 41 42 42 40 41 39 38 39 36 36 37 35 36 34 36 40 37 39  
RH 57 69 80 83 89 74 59 59 55 66 76 76 82 68 52 52 48 61 76 76 86  
WIND DIR NW NW NW N NW NW N N N N NW NW NW NW N N N N NW NW W  
WIND SPD 11 9 8 6 5 9 12 11 18 14 12 10 12 21 21 24 19 14 10 3 4  
CLOUDS OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC  
POP 12HR 50 50 50 50 30  
QPF 12HR 0.10 0.21 0.04 0.12 0.02  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C C C C C C C C C S S S S  
TSTMS C S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 65 47 72 50 75 52 77 52 74  
TEMP 62 65 53 47 69 72 58 50 72 75 60 52 74 77 61 52 71 74  
DEWPT 38 35 40 38 42 40 45 42 44 42 48 45 44 40 48 44 45 43  
PWIND DIR N SE SE S S N S SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC FW FW FW SC BK SC SC BK BK SC SC SC SC SC SC SC  
POP 12HR 10 10 30 30 20 20 30 20 20  
RAIN SHWRS S S C S S S S S  
TSTMS S C S S S S S  
 

 
 
WYZ004-191115-  
GREYBULL-BIG HORN WY  
44.52N 108.08W ELEV. 3939 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 50 61 47 56 44  
TEMP 67 61 56 52 50 54 59 61 61 56 52 49 47 50 55 56 56 52 49 46 44  
DEWPT 45 45 45 44 45 44 39 37 39 40 42 42 43 41 37 34 35 37 39 39 40  
RH 45 56 66 74 83 69 47 41 44 55 69 77 86 71 51 43 45 56 68 76 86  
WIND DIR NW NW NW NW NW NW NW NW N NW NW NW NW NW NW N N N NW NW N  
WIND SPD 14 11 11 10 9 12 17 19 25 23 24 25 25 31 28 31 33 25 23 4 3  
WIND GUST 27 31 35 35 35 43 40 43 47 35  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK SC  
POP 12HR 50 50 60 50 30  
QPF 12HR 0.17 0.12 0.07 0.09 0.02  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C L L C C C C C C S S S S  
TSTMS C S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 70 46 79 53 85 53 86 54 84  
TEMP 65 69 55 46 73 78 63 53 79 84 65 53 80 85 66 54 78 83  
DEWPT 37 36 40 38 40 38 45 44 44 43 47 44 43 41 47 45 42 41  
PWIND DIR N E S SE SE S SE S E  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC FW FW FW SC SC SC SC BK BK SC SC SC SC SC SC SC  
POP 12HR 10 10 20 20 20 20 10 20 20  
RAIN SHWRS S S S S S S  
TSTMS S S S S S  
 

 
 
WYZ006-191115-  
WORLAND-WASHAKIE WY  
43.97N 107.95W ELEV. 4227 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 49 61 44 55 44  
TEMP 66 59 55 51 49 54 59 61 60 54 50 46 44 49 53 55 55 50 48 45 44  
DEWPT 45 46 46 45 45 44 42 39 41 42 43 41 41 39 35 31 34 38 41 40 41  
RH 47 62 72 80 86 69 53 44 49 64 77 83 89 68 50 40 45 63 77 82 89  
WIND DIR NW NW NW NW NW NW NW N NW NW NW NW NW NW NW N N N NW NW NW  
WIND SPD 10 9 8 8 6 10 11 12 18 18 25 19 20 24 28 23 23 20 16 4 4  
WIND GUST 35 40  
CLOUDS BK OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK SC  
POP 12HR 50 50 60 50 20  
QPF 12HR 0.09 0.11 0.08 0.11 0.02  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C S C C C C C C C C C C C C C S S S S  
TSTMS C S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 68 45 77 51 84 51 84 54 81  
TEMP 63 67 53 45 70 76 60 51 77 82 62 51 77 82 64 54 76 79  
DEWPT 39 37 43 41 42 40 48 46 47 45 50 46 46 44 51 48 48 44  
PWIND DIR NW E SE SE S E SE W E  
WIND CHAR LT LT LT GN LT GN LT LT LT  
AVG CLOUDS SC SC FW FW FW SC SC SC SC SC BK SC SC SC SC FW FW SC  
POP 12HR 5 5 20 30 20 10 20 20 20  
RAIN SHWRS S S S S S S S  
TSTMS S S S S S S  
 

 
 
WYZ010-191115-  
BUFFALO-JOHNSON WY  
44.38N 106.72W ELEV. 4968 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 46 53 41 49 42  
TEMP 61 53 51 48 46 49 52 53 52 46 44 43 41 45 48 49 49 45 44 43 42  
DEWPT 48 47 45 43 42 42 40 39 41 40 39 38 38 39 39 39 40 40 39 38 38  
RH 62 80 80 83 86 77 63 59 66 79 82 82 89 79 71 68 71 82 82 82 86  
WIND DIR NW NW NW NW NW N N N NW NW NW NW NW NW NW N N N NW NW NW  
WIND SPD 12 12 11 10 14 19 20 19 26 25 26 26 29 37 43 44 34 29 25 21 11  
WIND GUST 31 33 31 36 35 36 36 41 52 60 63 48 41 35  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK  
POP 12HR 60 60 70 70 50  
QPF 12HR 0.26 0.22 0.14 0.15 0.04  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C L C C L L L L C C L L L L C C C C S  
TSTMS C S S  
WIND CHILL 30  
MIN CHILL 30 31  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 60 44 69 50 75 54 78 55 76  
TEMP 57 58 48 44 65 67 55 50 71 73 60 54 74 75 61 55 73 73  
DEWPT 37 39 38 37 41 44 44 43 47 50 49 47 46 49 49 48 47 48  
PWIND DIR NW SE SE SE SE SE SE SW SW  
WIND CHAR GN LT LT GN LT GN GN GN LT  
AVG CLOUDS BK SC FW FW SC SC SC SC SC BK BK SC SC SC BK BK FW SC  
POP 12HR 20 10 20 20 30 40 30 20 20  
RAIN SHWRS S S S S S S S S C C S S  
TSTMS S S S C C S S  
 

 
 
WYZ012-191115-  
RENDEZVOUS MOUNTAIN-TETON WY  
43.59N 110.89W ELEV. 10318 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 30 40 28 43 29  
TEMP 38 32 31 30 30 34 38 40 36 30 29 28 28 34 40 43 38 31 30 29 30  
DEWPT 30 29 28 26 26 29 31 29 29 28 27 25 24 29 33 30 27 23 22 18 19  
RH 73 88 88 85 85 82 76 64 75 92 92 88 85 82 76 60 64 72 72 63 63  
WIND DIR W W W W W W NW NW NW N E N W W NW NW NW N N N NW  
WIND SPD 14 14 13 10 9 9 10 13 11 16 13 13 17 17 13 16 16 14 6 3 4  
CLOUDS OV OV OV OV OV OV OV OV OV OV BK BK OV OV OV OV BK BK SC SC SC  
POP 12HR 60 60 50 50 30  
QPF 12HR 0.25 0.32 0.05 0.05 0.03  
SNOW 12HR 1 1 1 T T  
RAIN SHWRS L C L L C C C C  
SNOWSHWRS L C C C C C L C C C C C C C C S S  
TSTMS L S S S S  
WIND CHILL 19 18 17 16 23 20  
MIN CHILL 28 20 21 23 28 17 16 17 29 19 23  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 54 36 52 36 53 38 54 33 51  
TEMP 49 48 37 36 49 47 37 36 49 48 39 38 51 47 34 33 47 44  
DEWPT 33 30 27 24 32 29 27 23 31 29 28 25 32 28 24 21 30 26  
PWIND DIR W SW S S S SE S SW S  
WIND CHAR LT LT GN GN GN GN GN GN GN  
AVG CLOUDS SC BK BK BK BK BK BK BK BK BK BK SC SC BK BK SC SC SC  
POP 12HR 20 20 40 30 30 30 30 30 30  
RAIN SHWRS S S S C C S S S S S S S S S  
SNOWSHWRS S S S S S  
TSTMS C S S S S S  
 

 
 
WYZ023-191115-  
AFTON-LINCOLN WY  
42.71N 110.94W ELEV. 6201 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 36 51 36 56 35  
TEMP 52 46 41 37 36 41 48 50 50 44 40 37 36 42 52 55 54 47 40 36 35  
DEWPT 31 32 32 30 30 32 33 33 34 36 36 35 35 37 37 36 36 37 35 33 33  
RH 44 58 70 75 79 70 56 52 54 73 85 92 96 82 56 49 50 68 82 89 92  
WIND DIR W W SW S SW NW NW NW N NW NW NW NW NW NW NW NW NW NE E E  
WIND SPD 12 8 4 3 3 3 8 11 14 5 4 5 6 8 11 10 11 8 2 1 2  
CLOUDS BK BK BK BK BK BK OV OV BK BK BK BK BK BK BK BK SC SC SC SC SC  
POP 12HR 40 40 30 30 20  
QPF 12HR 0.07 0.10 0.03 0.04 0.01  
SNOW 12HR 00-00 00-00 T 00-00 00-00  
RAIN SHWRS C C C C C C C C C C C C C C C C S S  
SNOWSHWRS C C C C  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 65 38 69 37 69 39 70 39 69  
TEMP 60 62 45 38 64 66 45 37 63 66 47 39 65 67 47 39 64 66  
DEWPT 36 32 38 36 36 31 37 34 35 30 39 36 36 30 40 37 36 31  
PWIND DIR S S SE SE E SE SE W S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC BK BK BK SC BK SC SC SC SC SC SC SC SC  
POP 12HR 5 5 30 10 10 10 10 10 10  
RAIN SHWRS S S  
TSTMS S  
 

 
 
WYZ004-191115-  
POWELL-PARK WY  
44.87N 108.79W ELEV. 5092 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 46 57 41 56 44  
TEMP 58 53 50 48 46 51 55 57 55 49 45 44 41 48 53 56 54 50 47 46 44  
DEWPT 45 46 46 43 44 42 38 38 39 40 40 37 37 38 36 36 38 41 43 40 41  
RH 62 77 86 83 93 71 53 49 55 71 82 76 85 68 52 47 54 71 86 79 89  
WIND DIR NW NW N NW NW NW NW NW N N NW NW NW NW N N N N N N NW  
WIND SPD 13 10 14 14 12 17 18 17 25 23 24 23 24 24 21 23 23 17 13 6 3  
WIND GUST 27 29 27 35  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK SC  
POP 12HR 50 50 50 60 30  
QPF 12HR 0.11 0.21 0.07 0.12 0.03  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C C C S S C C C C S S S S  
TSTMS C S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 66 46 72 50 75 52 77 51 75  
TEMP 62 64 52 46 68 70 56 50 71 72 58 52 73 74 58 51 71 72  
DEWPT 36 38 44 40 39 42 48 44 41 44 50 47 39 43 51 47 42 45  
PWIND DIR N SE SE SE NE N SE W E  
WIND CHAR LT LT GN LT LT LT LT LT GN  
AVG CLOUDS SC SC FW FW FW SC BK SC SC BK BK SC SC SC SC BK SC SC  
POP 12HR 10 10 20 20 20 20 40 20 20  
RAIN SHWRS S S S S S C S S  
TSTMS S S S S C S S  
 

 
 
WYZ004-191115-  
COWLEY-BIG HORN WY  
44.91N 108.45W ELEV. 4090 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 49 61 45 59 45  
TEMP 63 59 55 52 49 54 59 61 61 56 52 48 45 51 56 59 59 54 50 47 45  
DEWPT 43 44 45 44 45 43 39 39 38 40 40 40 41 40 36 36 36 38 40 40 41  
RH 48 57 69 74 86 66 47 44 42 55 63 74 86 66 47 42 42 54 68 76 86  
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW N N N N N N N  
WIND SPD 11 8 9 9 12 16 17 13 21 17 17 23 19 27 25 25 19 23 8 4 3  
WIND GUST 27 29 24 39 36 35 33  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK SC  
POP 12HR 60 50 60 50 30  
QPF 12HR 0.22 0.12 0.04 0.06 0.02  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C L L C C C C C C S S S S  
TSTMS C S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 68 47 77 52 81 53 83 53 80  
TEMP 65 68 56 47 72 77 63 52 76 81 65 53 78 83 66 53 76 80  
DEWPT 38 35 39 39 39 36 43 43 41 39 47 46 41 38 47 46 41 38  
PWIND DIR N E SE SE E N SE SW SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC FW FW FW SC SC SC SC BK BK SC SC SC SC BK SC SC  
POP 12HR 10 10 20 30 20 20 20 20 20  
RAIN SHWRS S S S S S S S  
TSTMS S S S S S S  
 

 
 
WYZ016-191115-  
DUBOIS-FREMONT WY  
43.55N 109.69W ELEV. 7291 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 49 34 51 35  
TEMP 49 44 39 36 34 42 48 49 46 42 38 36 34 43 50 51 48 44 39 37 35  
DEWPT 32 31 30 28 27 29 27 28 29 30 32 32 31 33 30 31 32 32 32 31 31  
RH 52 60 70 72 75 60 44 44 51 62 79 85 89 67 46 46 54 62 76 79 85  
WIND DIR W W W W W W NW NW NW NW W W NW NW NW NW N NW NW NW NW  
WIND SPD 16 12 11 10 9 11 11 13 12 9 9 9 11 12 9 10 8 5 5 2 3  
CLOUDS OV OV BK BK BK BK OV OV BK BK OV OV BK BK OV OV BK BK SC SC SC  
POP 12HR 40 60 50 60 40  
QPF 12HR 0.08 0.22 0.05 0.09 0.04  
SNOW 12HR 00-00 00-00 T 00-00 T  
RAIN SHWRS C C S C C C L L C C C C C C C C C C S S  
SNOWSHWRS C C C C S S  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 60 38 66 41 69 41 69 40 68  
TEMP 59 56 44 38 64 62 47 41 67 64 48 41 67 64 47 40 66 62  
DEWPT 29 31 33 31 29 33 34 32 28 33 34 32 28 33 34 32 27 32  
PWIND DIR W SW S SW SE S S SW S  
WIND CHAR LT LT LT LT LT LT LT LT GN  
AVG CLOUDS SC SC BK BK SC BK BK SC SC BK SC SC SC SC SC SC FW SC  
POP 12HR 10 10 30 30 10 10 10 10 10  
RAIN SHWRS S C S  
TSTMS C S  
 

 
 
WYZ027-191115-  
KEMMERER-LINCOLN WY  
41.83N 110.56W ELEV. 7285 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 52 34 55 34  
TEMP 50 43 39 36 34 43 50 52 49 42 38 36 34 45 52 55 51 43 39 36 34  
DEWPT 32 34 34 32 32 32 31 27 30 34 34 33 33 36 34 32 32 34 34 32 32  
RH 50 70 82 85 92 65 48 38 48 73 85 89 96 70 50 41 48 70 82 85 92  
WIND DIR W W W W W W W NW NW NW NW W W NW NW NW NW NW NW NW NW  
WIND SPD 19 13 10 10 9 13 16 20 19 17 13 13 14 17 14 16 18 14 8 4 0  
WIND GUST 31 33  
CLOUDS BK BK BK SC SC SC OV OV BK BK SC SC SC SC SC SC SC SC SC SC FW  
POP 12HR 30 40 30 40 30  
QPF 12HR 0.04 0.08 0.02 0.04 0.03  
SNOW 12HR 00-00 00-00 T 00-00 T  
RAIN SHWRS S S S S S S C C C C S S C C C C C C S S  
SNOWSHWRS S S S S S S  
TSTMS S S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 65 42 68 43 71 44 70 41 69  
TEMP 61 61 48 42 65 63 49 43 67 66 51 44 67 64 48 41 65 63  
DEWPT 34 33 39 37 35 32 39 37 34 33 40 37 32 29 39 36 35 31  
PWIND DIR W S S SW S S S SW SW  
WIND CHAR LT LT GN GN GN GN GN GN LT  
AVG CLOUDS FW SC FW SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC  
POP 12HR 5 10 20 10 5 5 5 5 5  
RAIN SHWRS S S  
TSTMS S  
 

 
 
WYZ023-191115-  
ALPINE-LINCOLN WY  
43.18N 111.04W ELEV. 5634 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 37 53 38 58 37  
TEMP 54 48 42 39 37 43 51 53 52 48 42 40 38 46 56 58 57 50 43 40 37  
DEWPT 36 33 32 30 29 33 35 35 36 36 35 34 34 39 40 39 39 36 33 31 29  
RH 50 56 67 70 72 67 54 50 54 63 76 79 85 76 55 49 51 58 67 70 72  
WIND DIR W W SW S SW W NW NW NW N NW NW NW NW NW NW NW NW E SE E  
WIND SPD 11 8 5 4 4 4 8 10 6 6 4 4 6 8 10 11 10 6 3 1 2  
CLOUDS BK BK BK BK BK BK OV OV BK BK BK BK BK BK BK BK SC SC SC SC SC  
POP 12HR 50 50 30 30 20  
QPF 12HR 0.08 0.19 0.03 0.03 0.01  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C C C S S C C S S S S  
SNOWSHWRS C  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 65 40 68 37 69 40 72 40 69  
TEMP 62 64 47 40 65 67 46 37 65 68 49 40 68 71 50 40 66 68  
DEWPT 37 36 35 32 38 37 34 29 37 37 36 31 39 38 37 32 40 38  
PWIND DIR SE S SE SE SE SE SE W S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC BK BK BK SC BK SC SC SC SC SC SC SC SC  
POP 12HR 5 10 30 10 10 10 10 10 10  
RAIN SHWRS S S  
TSTMS S  
 

 
 
WYZ023-191115-  
COKEVILLE-LINCOLN WY  
42.05N 110.97W ELEV. 6270 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 35 53 34 57 34  
TEMP 53 46 40 37 35 43 51 52 51 44 39 36 34 45 54 56 54 46 40 37 34  
DEWPT 34 34 32 31 31 32 32 31 32 33 34 33 33 36 36 35 34 34 33 32 31  
RH 48 63 73 79 85 65 48 44 48 65 82 89 96 70 50 45 46 63 76 82 89  
WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW NW NW NW W SE  
WIND SPD 10 6 4 4 4 4 9 11 16 9 9 8 11 12 16 14 16 12 4 1 1  
CLOUDS BK BK BK SC BK BK OV OV BK BK SC SC SC SC SC SC SC SC FW FW FW  
POP 12HR 30 40 20 30 20  
QPF 12HR 0.06 0.08 0.03 0.03 0.01  
SNOW 12HR 00-00 00-00 T 00-00 00-00  
RAIN SHWRS C S S S S S C C S S S S C C S S S S  
SNOWSHWRS S S S S  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 66 39 70 40 71 41 71 39 71  
TEMP 62 63 46 39 66 66 48 40 67 67 49 41 67 67 47 39 67 67  
DEWPT 33 32 36 34 34 31 36 34 33 32 37 35 31 29 36 34 32 29  
PWIND DIR S S SE W S S S W SE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC  
POP 12HR 5 10 20 10 5 5 5 5 5  
RAIN SHWRS S S  
TSTMS S  
 

 
 
WYZ028-191115-  
GREEN RIVER-SWEETWATER WY  
41.46N 109.49W ELEV. 7182 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 38 58 38 59 39  
TEMP 55 50 45 40 38 47 56 57 55 50 45 40 38 47 57 58 56 51 46 41 39  
DEWPT 34 34 34 33 34 35 28 27 31 33 34 33 34 37 33 32 34 34 35 33 34  
RH 45 54 65 76 85 63 34 31 40 52 65 76 85 68 40 37 43 52 65 73 82  
WIND DIR W W W W W W W W NW W W W W W NW NW NE NE SW W SW  
WIND SPD 14 12 11 9 9 13 12 13 20 12 8 10 14 16 12 10 10 9 3 3 5  
CLOUDS SC SC SC SC BK BK BK BK BK BK BK BK BK BK BK BK SC SC SC SC FW  
POP 12HR 20 40 30 40 30  
QPF 12HR 0.03 0.08 0.02 0.03 0.02  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S S S S S S C C C C S S C C C C S S S S  
TSTMS S S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 67 44 75 46 78 47 76 46 76  
TEMP 64 64 52 44 72 71 56 46 75 73 57 47 73 72 56 46 73 71  
DEWPT 28 32 34 34 31 34 35 34 30 34 35 34 24 32 37 37 29 31  
PWIND DIR W SW S SW S S S SW SW  
WIND CHAR LT LT GN GN GN GN GN GN GN  
AVG CLOUDS FW FW FW FW SC SC SC SC SC SC SC SC FW SC SC SC FW FW  
POP 12HR 5 10 20 10 5 5 5 5 5  
RAIN SHWRS S S  
TSTMS S  
 

 
 
WYZ017-191115-  
SHOSHONI-FREMONT WY  
43.25N 108.12W ELEV. 4817 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 48 60 45 57 44  
TEMP 65 59 54 51 48 52 57 60 58 54 50 48 45 49 54 57 55 51 48 46 44  
DEWPT 38 40 41 41 42 42 37 35 36 39 39 40 40 41 38 36 36 37 37 38 38  
RH 37 49 61 68 80 69 47 39 44 57 66 74 82 74 54 45 49 59 65 73 79  
WIND DIR NW N NW W NW N N N N N NW NW NW NW N NW N N NW NW W  
WIND SPD 9 10 4 5 5 10 10 11 19 16 12 12 24 16 23 21 23 16 12 5 5  
CLOUDS BK BK OV SC OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC  
POP 12HR 40 50 60 60 30  
QPF 12HR 0.07 0.12 0.08 0.09 0.02  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C L L C C L L C C S S S S  
TSTMS C S S S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 69 46 80 51 85 54 85 54 82  
TEMP 63 66 54 46 72 76 61 51 77 81 65 54 78 81 65 54 76 78  
DEWPT 38 34 38 37 40 38 42 41 42 40 44 42 39 35 44 43 42 38  
PWIND DIR NW SE S S S S S SW SW  
WIND CHAR LT LT LT GN LT GN GN GN GN  
AVG CLOUDS SC SC FW FW FW SC SC SC SC SC SC SC FW SC SC FW FW SC  
POP 12HR 10 10 20 20 20 10 20 20 20  
RAIN SHWRS S S S S S S S  
TSTMS S S S S S S  
 

 
 
WYZ005-191115-  
THERMOPOLIS-HOT SPRINGS WY  
43.66N 108.21W ELEV. 4592 FT  
335 PM MDT SAT MAY 18 2013  
 
DATE 05/18/13 SUN 05/19/13 MON 05/20/13 TUE  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 48 60 43 55 43  
TEMP 63 58 53 50 48 53 58 59 58 53 48 46 43 49 54 55 54 50 46 44 43  
DEWPT 44 44 44 43 44 42 41 40 40 40 40 40 40 38 36 34 36 37 38 38 39  
RH 50 59 71 77 86 66 53 49 51 61 74 79 89 66 50 45 50 61 73 79 86  
WIND DIR NW N W NW NW N N N N N NW NW NW N N N N N NW NW W  
WIND SPD 10 4 3 4 4 8 8 9 20 18 14 14 17 19 23 20 23 17 12 5 4  
CLOUDS BK OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC  
POP 12HR 40 50 50 50 30  
QPF 12HR 0.09 0.12 0.12 0.08 0.03  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C C C C C C C C C C C S S  
TSTMS C S S  
 
DATE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13 SAT 05/25/13  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 68 44 79 50 84 51 84 52 81  
TEMP 65 66 51 44 74 76 58 50 79 81 61 51 80 81 62 52 77 78  
DEWPT 37 37 39 39 41 41 45 44 45 45 47 45 45 44 48 46 47 46  
PWIND DIR NW E S SE S SE S SW SW  
WIND CHAR LT LT LT GN LT LT LT GN LT  
AVG CLOUDS SC SC FW SC FW SC SC SC SC SC BK SC SC SC SC SC SC SC  
POP 12HR 10 5 20 30 20 20 20 20 20  
RAIN SHWRS S S C S S S S S S  
TSTMS S C S S S S S  
 

 
 
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT  
 
DAY 1 THROUGH DAY 3...  
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE  
TEMP(F).............................AIR TEMPERATURE  
DEWPT(F)............................DEW POINT TEMPERATURE  
RH(%)...............................RELATIVE HUMIDITY  
WIND DIR(8 POINT COMPASS)...........WIND DIRECTION  
WIND SPD(MPH).......................WIND SPEED  
CLOUDS(CAT).........................CLOUD COVER CATEGORY  
CL.....CLEAR/SUNNY.......................0% TO =< 10%  
FW.....MOSTLY CLEAR/MOSTLY SUNNY......> 10% TO =< 30%  
SC.....PARTLY CLOUDY/PARTLY SUNNY.....> 30% TO =< 60%  
BK.....MOSTLY CLOUDY..................> 60% TO =< 80%  
OV.....CLOUDY.........................> 80% TO =< 100%  
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION  
QPF 12HR(IN.).......................AMOUNT OF LIQUID PRECIPITATION  
SNOW 12HR(MIN-MAX - IN.)............RANGE OF SNOWFALL  
WEATHER...  
TYPE...  
RAIN...........RAIN  
RAIN SHWRS.....RAIN SHOWERS  
SPRINKLES......SPRINKLES  
TSTMS..........THUNDERSTORMS  
DRIZZLE........DRIZZLE  
SNOW...........SNOW  
SNOWSHWRS......SNOW SHOWERS  
FLURRIES.......SNOW FLURRIES  
SLEET..........SLEET  
FRZG RAIN......FREEZING RAIN  
FRZG DRZL......FREEZING DRIZZLE  
COVERAGE...  
IS.............ISOLATED  
SC.............SCATTERED  
NM.............NUMEROUS  
O..............OCCASIONAL  
S..............SLIGHT CHANCE  
C..............CHANCE  
L..............LIKELY  
WD.............WIDESPREAD  
D..............DEFINITE  
AR.............AREAS  
PA.............PATCHY  
OBVIS...............................OBSTRUCTION TO VISIBILITY  
F.......FOG  
PF......PATCHY FOG  
F+......DENSE FOG  
PF+.....PATCHY DENSE FOG  
H.......HAZE  
BS......BLOWING SNOW  
K.......SMOKE  
BD......BLOWING DUST  
VA......VOLCANIC ASH  
DAY 4 THROUGH DAY 7...  
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE  
TEMP(F).............................AIR TEMPERATURE  
DEWPT(F)............................DEW POINT TEMPERATURE  
PWIND DIR(8 POINT COMPASS)..........PREDOMINANT WIND DIRECTION IN 12HR PERIOD  
WIND CHAR(MAX SUSTAINED IN 12HR)....WIND CHARACTERISTIC  
LT.....LIGHT; < 8 MPH  
GN.....GENTLE; 8 - 14 MPH  
BZ.....BREEZY; 15 - 22 MPH  
WY.....WINDY; 23 - 30 MPH  
VW.....VERY WINDY; 31 - 39 MPH  
SD.....STRONG/DAMAGING; >= 40 MPH  
AVG CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY  
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS  
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION  
WEATHER...  
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS  
 
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