883  
FOUS55 KRIW 281731  
PFMRIW  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE RIVERTON WY  
1130 AM MDT FRI APR 28 2017  
 
WYZ020-282300-  
CASPER-NATRONA WY  
42.91N 106.46W ELEV. 5530 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 34 24 41 22 52  
TEMP 32 32 32 30 26 25 24 31 38 41 40 30 26 24 22 34 47 52 51  
DEWPT 30 28 27 27 24 23 22 24 24 24 23 21 20 19 18 24 27 28 28  
RH 92 85 81 88 92 92 92 75 57 50 50 69 78 81 84 66 45 39 41  
WIND DIR N NE E NE NE NE N N NE NE N S SW SW SW SW W W W  
WIND SPD 13 17 18 8 5 4 4 4 5 4 4 3 6 8 10 11 13 13 10  
WIND GUST 21 27 29 20 20  
CLOUDS OV OV OV OV OV BK BK BK SC SC SC SC FW FW FW FW FW FW SC  
POP 12HR 90 50 10 5 0  
QPF 12HR 0.15 0.02 0 0 0  
SNOW 12HR 1 T 00-00 00-00 00-00  
SNOW D L C C S S  
OBVIS PF PF PF PF  
WIND CHILL 21 20 11  
MIN CHILL 22 20 19 18 18 18 11 12  
WINTER STORM W W W W  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 32 49 35 48 33 54 35 67  
TEMP 36 32 46 48 38 35 46 47 36 33 50 53 39 35 62 65  
DEWPT 30 28 29 28 28 27 32 33 32 30 31 29 30 28 32 30  
PWIND DIR W NW NW W NW W W W  
WIND CHAR LT GN GN GN LT GN GN GN  
AVG CLOUDS SC SC BK SC SC BK BK BK BK BK SC SC FW SC SC FW  
POP 12HR 20 20 20 40 20 5 5 5  
RAIN SHWRS S S S C C S  
SNOWSHWRS S S S  
 

 
 
WYZ017-282300-  
RIVERTON-FREMONT WY  
43.06N 108.46W ELEV. 5525 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 36 26 44 28 55  
TEMP 34 35 34 31 29 27 26 30 38 43 43 36 32 30 28 35 46 54 53  
DEWPT 32 31 29 28 25 24 24 27 27 28 27 26 26 25 24 28 29 30 30  
RH 92 85 82 88 85 88 92 88 64 55 53 67 78 81 85 75 51 40 41  
WIND DIR N NE NE N NW NW NW N N E SE S SW SW S SW SW W W  
WIND SPD 8 14 12 5 8 5 5 4 5 5 8 6 6 6 4 5 9 9 10  
WIND GUST 24 20  
CLOUDS OV OV OV OV OV BK BK BK SC SC FW FW FW FW FW FW SC SC SC  
POP 12HR 90 60 20 0 5  
QPF 12HR 0.21 0.05 0 0 0  
SNOW 12HR 2 1 00-00 00-00 00-00  
SNOW D L L C C S  
SNOWSHWRS S  
OBVIS PF PF PF PF  
WINTER WEATH Y Y Y Y  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 53 35 50 34 57 38 68  
TEMP 40 35 47 52 39 35 45 49 38 34 50 55 43 38 58 66  
DEWPT 33 32 32 30 32 31 32 31 31 30 31 28 31 30 34 31  
PWIND DIR W N E NW NW NW NW SW  
WIND CHAR GN LT LT LT LT LT GN LT  
AVG CLOUDS SC SC SC SC BK BK BK BK BK SC FW FW FW SC SC FW  
POP 12HR 10 20 20 40 20 5 0 0  
RAIN SHWRS S S S C C S  
SNOWSHWRS C  
 

 
 
WYZ018-282300-  
LANDER-FREMONT WY  
42.82N 108.73W ELEV. 5586 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 36 26 43 28 56  
TEMP 33 34 33 31 29 28 26 32 38 43 41 36 33 30 28 39 48 56 54  
DEWPT 32 32 30 28 24 24 23 27 27 26 26 23 24 23 22 27 29 29 29  
RH 96 92 89 88 81 85 88 81 64 51 55 59 69 75 78 62 47 35 38  
WIND DIR N NE N SW NW NW NW N N E E S SW SW SW SW SW W W  
WIND SPD 11 10 11 5 6 6 5 4 4 5 5 5 8 8 5 3 6 5 6  
WIND GUST 18 18  
CLOUDS OV OV OV OV OV OV BK BK SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 90 60 20 5 5  
QPF 12HR 0.34 0.07 0.01 0 0  
SNOW 12HR 3 1 T 00-00 00-00  
RAIN SHWRS S  
SNOW D L L C C S  
SNOWSHWRS S S  
OBVIS PF PF PF PF  
WINTER WEATH Y Y Y Y  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 36 53 35 51 34 58 37 68  
TEMP 42 36 48 51 41 35 46 49 39 34 51 56 44 37 59 65  
DEWPT 33 32 31 29 29 28 32 32 31 29 31 28 29 27 33 30  
PWIND DIR W NW NW NW NW NW NW S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC BK BK BK BK SC SC FW FW SC FW FW  
POP 12HR 20 20 20 50 30 5 0 0  
RAIN SHWRS S S S S S C C S  
 

 
 
WYZ028-282300-  
ROCK SPRINGS-SWEETWATER WY  
41.61N 109.07W ELEV. 6760 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 35 23 42 25 52  
TEMP 32 35 34 30 26 25 23 30 40 42 39 33 30 27 25 35 49 52 49  
DEWPT 28 28 29 26 22 22 20 23 20 22 24 22 23 22 21 25 23 25 29  
RH 85 75 82 85 85 88 88 75 44 44 54 63 75 81 84 66 36 35 46  
WIND DIR NW N NE NE NE NE NE NE NE NE NE NE W W W W W W W  
WIND SPD 23 20 17 24 16 12 12 16 16 13 10 4 3 5 5 10 18 19 19  
WIND GUST 36 33 27 33 23 23 23 20 27 29 28  
CLOUDS OV OV OV OV BK BK SC SC SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 80 40 10 5 0  
QPF 12HR 0.11 0.01 0 0 0  
SNOW 12HR 1 T 00-00 00-00 00-00  
SNOW L C C S S  
WIND CHILL 19 24 23 16 13 14 11 19  
MIN CHILL 18 21 12 11 11 26 18 18  
WINTER WEATH Y Y Y Y  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 32 53 31 51 31 57 35 65  
TEMP 37 32 51 49 37 31 48 48 36 31 54 53 40 35 61 60  
DEWPT 31 29 22 27 29 27 24 29 29 27 21 27 29 27 25 31  
PWIND DIR W W NW W NW N W W  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC SC SC SC SC SC BK SC SC FW FW FW FW FW FW  
POP 12HR 5 5 10 20 20 5 5 5  
RAIN SHWRS S S S  
SNOWSHWRS S  
 

 
 
WYZ026-282300-  
BIG PINEY-SUBLETTE WY  
42.58N 110.11W ELEV. 6990 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 41 21 46 24 52  
TEMP 39 41 39 33 25 22 21 30 41 46 44 34 29 25 24 34 47 52 50  
DEWPT 22 21 19 20 20 19 18 21 20 21 21 24 23 22 21 24 22 23 24  
RH 50 44 44 58 81 88 88 69 42 37 39 66 78 88 88 66 37 32 36  
WIND DIR NW N NE N NW NW N NE NE N NW NW W W W NW W W W  
WIND SPD 20 17 14 4 8 8 5 3 5 10 11 6 4 3 3 6 16 17 17  
WIND GUST 33 27 24 24 25 26  
CLOUDS OV OV OV OV OV BK BK SC SC SC SC SC FW FW SC SC SC SC BK  
POP 12HR 70 50 10 10 10  
QPF 12HR 0.05 0.01 0 0 0  
SNOW 12HR T T 00-00 00-00 00-00  
RAIN L  
SNOW L L C C S  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 29 50 28 49 28 56 29 63  
TEMP 34 29 46 48 33 28 45 47 33 28 51 53 35 29 57 60  
DEWPT 30 28 23 24 28 26 24 25 27 25 25 26 28 25 25 26  
PWIND DIR W W NW NW NW NW NW NW  
WIND CHAR GN GN GN GN GN GN GN LT  
AVG CLOUDS BK SC SC SC SC SC BK BK SC SC FW SC FW FW SC SC  
POP 12HR 10 10 20 30 20 5 5 5  
RAIN SHWRS S S S S  
SNOWSHWRS S S  
 

 
 
WYZ025-282300-  
PINEDALE-SUBLETTE WY  
42.80N 109.81W ELEV. 7086 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 39 22 43 24 50  
TEMP 37 39 37 32 25 22 22 30 39 43 40 33 28 25 24 34 45 49 47  
DEWPT 22 22 20 19 20 18 18 21 22 22 22 22 22 20 20 23 26 26 26  
RH 54 50 50 58 81 84 84 69 50 43 48 63 78 81 84 64 47 40 43  
WIND DIR NW N E SW N N NE N N N NW NW NW NW NW W NW W W  
WIND SPD 10 8 10 5 6 6 4 4 5 9 11 5 4 3 3 8 13 13 14  
WIND GUST 20 21  
CLOUDS OV OV OV OV BK BK BK SC SC SC SC SC FW FW SC SC SC SC BK  
POP 12HR 70 40 10 10 10  
QPF 12HR 0.04 0 0 0 0  
SNOW 12HR T 00-00 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS S  
SNOW L C C S S  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 48 29 46 28 53 31 60  
TEMP 35 31 45 45 33 29 43 43 31 28 48 50 35 31 54 56  
DEWPT 30 29 27 25 27 26 26 25 26 24 26 25 29 28 31 28  
PWIND DIR W NW NW NW NW NW NW NW  
WIND CHAR GN GN GN GN GN LT GN LT  
AVG CLOUDS BK BK SC SC BK BK BK BK BK SC SC SC FW FW SC SC  
POP 12HR 20 10 20 30 20 5 5 5  
RAIN SHWRS S S C C S  
SNOWSHWRS S S C C  
 

 
 
WYZ013-282300-  
JACKSON-TETON WY  
43.60N 110.73W ELEV. 6451 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 40 20 46 24 49  
TEMP 37 40 39 33 23 21 20 28 40 46 44 33 28 26 24 32 44 49 47  
DEWPT 25 24 24 25 19 17 17 22 26 23 25 24 23 21 21 26 30 28 30  
RH 61 52 54 72 84 84 88 78 57 40 47 69 81 81 88 78 57 44 51  
WIND DIR N N N N N NE E E NW W W W S S S SW SW W W  
WIND SPD 5 14 17 11 11 9 5 3 3 5 5 3 3 4 5 6 10 10 9  
WIND GUST 24 27  
CLOUDS OV OV OV BK BK BK SC SC SC SC SC SC SC SC BK BK OV OV OV  
POP 12HR 60 40 10 10 30  
QPF 12HR 0.04 0 0 0 0.01  
SNOW 12HR T 00-00 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS S S C  
SNOW L C C S  
WIND CHILL 12  
MIN CHILL 30 12 10 11 24 17 17  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 47 29 46 28 53 31 59  
TEMP 34 31 44 45 32 29 42 44 31 28 48 51 35 31 53 56  
DEWPT 31 29 30 28 28 26 30 29 26 24 30 29 29 27 34 31  
PWIND DIR W W SW W NW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS OV BK BK BK BK OV OV BK BK FW FW SC SC SC SC SC  
POP 12HR 50 30 50 40 30 10 5 5  
RAIN SHWRS C S C C C C S  
SNOWSHWRS C S C C C  
 

 
 
WYZ001-282300-  
LAKE YELLOWSTONE-TETON WY  
44.55N 110.42W ELEV. 7835 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 33 14 39 17 42  
TEMP 31 33 31 26 17 15 14 23 34 39 36 27 21 19 17 26 37 42 39  
DEWPT 21 21 22 20 14 12 11 17 19 20 22 21 18 16 14 21 25 27 29  
RH 66 61 69 78 88 88 88 77 54 46 56 78 88 88 88 81 61 55 67  
WIND DIR N N NE N N N NE E NE W W W SW SW SW SW SW SW W  
WIND SPD 11 14 5 9 8 6 3 2 4 6 5 4 4 4 6 8 12 11 9  
WIND GUST 18 24 19  
CLOUDS OV OV OV BK BK BK BK SC SC SC SC SC SC SC BK BK OV OV OV  
POP 12HR 70 30 10 5 40  
QPF 12HR 0.03 0 0 0 0.02  
SNOW 12HR T 00-00 00-00 00-00 00-00  
RAIN SHWRS C C  
SNOW L C C S  
SNOWSHWRS C  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 22 39 24 38 22 44 26 49  
TEMP 25 22 35 37 27 24 35 36 25 22 39 42 29 26 44 46  
DEWPT 23 20 23 25 24 22 24 25 21 19 24 27 25 23 26 28  
PWIND DIR W W W W NW W W SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS OV BK BK BK OV OV OV BK BK SC SC SC SC SC SC SC  
POP 12HR 40 30 50 40 30 10 10 10  
RAIN SHWRS C C  
SNOWSHWRS C S S C C C C C S  
 

 
 
WYZ003-282300-  
CODY-PARK WY  
44.52N 109.02W ELEV. 5102 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 37 26 49 30 56  
TEMP 34 37 37 33 29 27 26 33 45 49 47 39 35 32 31 38 52 56 54  
DEWPT 31 31 30 29 25 25 23 27 26 29 28 28 27 26 25 28 28 31 31  
RH 89 79 75 85 85 92 88 78 47 46 47 64 72 78 78 67 39 38 41  
WIND DIR N N N N NW N W E SE S S S SW SW SW SW SW SW W  
WIND SPD 20 19 11 13 10 9 5 4 5 9 8 5 8 8 6 5 10 13 10  
WIND GUST 33 31 18 20  
CLOUDS OV OV OV OV OV BK BK SC SC SC SC SC FW FW SC SC SC SC BK  
POP 12HR 80 50 10 5 5  
QPF 12HR 0.09 0.01 0 0 0  
SNOW 12HR 1 T 00-00 00-00 00-00  
RAIN L  
SNOW L L C C S S  
WIND CHILL 22  
MIN CHILL 21 24 19 18 18 28 24 23  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 52 34 49 33 57 37 67  
TEMP 41 36 49 50 39 35 47 47 37 34 53 55 42 38 62 64  
DEWPT 33 31 28 30 32 30 31 33 32 29 28 30 31 28 32 35  
PWIND DIR NW NW NW NW NW NW W S  
WIND CHAR GN GN GN LT GN GN GN LT  
AVG CLOUDS BK BK SC SC BK OV OV BK BK SC SC SC SC SC SC SC  
POP 12HR 30 20 30 30 20 10 5 5  
RAIN SHWRS S S S S C C C S  
SNOWSHWRS S C C  
 

 
 
WYZ004-282300-  
GREYBULL-BIG HORN WY  
44.52N 108.08W ELEV. 3939 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 48 31 53 33 61  
TEMP 47 48 46 41 36 33 31 37 47 53 51 45 39 36 33 40 54 61 59  
DEWPT 28 28 29 31 28 28 27 29 29 28 30 29 29 28 28 30 31 29 33  
RH 47 46 51 67 72 82 85 72 49 38 44 53 67 72 82 67 41 29 37  
WIND DIR NW N SE NE NW NW SE S S S S SE SE S S S S S SW  
WIND SPD 26 16 16 4 4 3 2 4 5 5 9 6 6 5 5 6 9 8 5  
WIND GUST 42 25 25  
CLOUDS OV OV OV BK BK BK BK BK SC SC FW FW FW FW SC SC SC SC BK  
POP 12HR 60 30 10 0 5  
QPF 12HR 0.01 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN C C S S  
SNOW S S S  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 39 57 38 55 38 61 40 72  
TEMP 46 39 52 55 44 39 51 54 44 39 55 59 47 41 64 69  
DEWPT 34 34 32 32 32 33 32 33 32 32 32 32 33 33 36 37  
PWIND DIR W NW NW N NW NW W S  
WIND CHAR LT GN GN LT GN LT LT LT  
AVG CLOUDS BK BK SC SC BK BK OV BK BK SC FW FW SC SC SC SC  
POP 12HR 20 10 20 30 20 10 0 0  
RAIN SHWRS S S S C C S  
 

 
 
WYZ006-282300-  
WORLAND-WASHAKIE WY  
43.97N 107.95W ELEV. 4227 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 42 29 50 30 59  
TEMP 41 41 41 38 33 30 29 36 46 50 48 41 36 32 30 39 53 59 57  
DEWPT 32 31 30 31 28 27 27 30 30 30 31 30 28 28 27 31 31 31 32  
RH 70 67 65 76 82 88 92 79 53 46 51 65 72 85 88 73 43 34 38  
WIND DIR N N SE SW W NW SW SW SW S S S S S S S S SW NE  
WIND SPD 21 9 11 8 6 4 3 4 4 5 5 6 6 5 4 4 6 4 5  
WIND GUST 34 18  
CLOUDS OV OV OV OV OV BK BK BK SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 80 50 10 0 0  
QPF 12HR 0.07 0.02 0 0 0  
SNOW 12HR 00-00 T 00-00 00-00 00-00  
RAIN L L C  
SNOW C C C S  
WINTER WEATH Y Y Y Y  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 38 55 36 53 36 60 38 70  
TEMP 44 38 51 53 41 36 49 51 41 36 55 58 44 38 63 67  
DEWPT 34 35 32 32 33 33 33 33 32 32 30 29 32 32 37 36  
PWIND DIR SE NW NW NW NW W E S  
WIND CHAR LT GN GN LT LT LT LT LT  
AVG CLOUDS SC BK SC SC BK BK BK BK BK BK SC FW SC SC SC SC  
POP 12HR 20 10 30 30 20 10 5 5  
RAIN SHWRS S S S C C S  
 

 
 
WYZ005-282300-  
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY  
43.71N 108.39W ELEV. 4902 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 39 28 47 28 57  
TEMP 36 38 38 34 30 29 28 35 42 46 46 37 32 30 28 39 50 55 55  
DEWPT 32 32 30 30 26 26 25 27 30 31 29 26 25 24 23 27 31 32 30  
RH 85 79 73 85 85 88 88 72 62 55 51 64 75 78 81 62 48 41 38  
WIND DIR N N E NW NW NW W SW SE SE S S SW SW S S S W NW  
WIND SPD 23 10 6 8 9 8 5 4 4 8 9 6 8 8 6 6 10 8 8  
WIND GUST 36  
CLOUDS OV OV OV OV OV BK BK BK SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 90 70 20 0 5  
QPF 12HR 0.16 0.06 0.01 0 0  
SNOW 12HR 1 1 T 00-00 00-00  
RAIN D L  
RAIN SHWRS S  
SNOW D L L C C C  
SNOWSHWRS S S  
WIND CHILL 24  
MIN CHILL 23 27 22 20 21 25 20 21  
WINTER WEATH Y Y Y Y  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 53 35 51 34 59 37 69  
TEMP 39 35 49 52 38 35 47 50 37 34 53 57 41 37 61 67  
DEWPT 31 30 31 29 31 31 33 32 30 28 31 27 30 29 36 33  
PWIND DIR W N NW NW NW NW W S  
WIND CHAR LT GN GN GN GN GN GN LT  
AVG CLOUDS SC SC SC SC BK BK BK BK BK SC SC FW SC SC FW SC  
POP 12HR 20 20 30 40 20 10 0 0  
RAIN SHWRS S S S S C C C S  
SNOWSHWRS S C  
 

 
 
WYZ010-282300-  
BUFFALO-JOHNSON WY  
44.38N 106.72W ELEV. 4968 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 35 25 44 27 52  
TEMP 31 32 33 30 27 27 25 31 38 43 41 34 31 30 27 35 44 51 49  
DEWPT 30 28 27 23 23 24 23 26 28 28 28 26 23 23 23 27 29 30 32  
RH 96 85 78 75 85 88 92 81 67 55 59 72 72 75 85 72 55 44 52  
WIND DIR NW NW SW NW NW W W W E E S SW SW SW SW SW S SW W  
WIND SPD 12 10 3 9 8 6 5 4 5 4 6 8 10 9 8 5 8 8 6  
WIND GUST 20  
CLOUDS OV OV OV OV BK BK BK BK SC SC SC SC FW FW FW FW SC SC BK  
POP 12HR 80 40 10 5 5  
QPF 12HR 0.16 0.01 0 0 0  
SNOW 12HR 1 T 00-00 00-00 00-00  
RAIN SHWRS S  
SNOW D C C S S  
OBVIS PF PF PF PF  
WINTER STORM W W W W  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 48 34 46 34 53 37 65  
TEMP 39 35 44 46 37 34 42 44 36 34 47 50 40 37 55 61  
DEWPT 32 33 32 30 29 29 32 32 31 30 32 31 29 29 36 37  
PWIND DIR W NW NW NW NW NW W NW  
WIND CHAR GN BZ GN GN GN GN GN GN  
AVG CLOUDS BK BK BK BK SC BK BK BK BK SC SC SC SC SC SC FW  
POP 12HR 30 30 20 30 20 20 0 0  
RAIN SHWRS S C S S S S C C S S  
SNOWSHWRS C S S C C  
 

 
 
WYZ012-282300-  
RENDEZVOIUS MOUNTAIN-TETON WY  
43.59N 110.89W ELEV. 10318 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 24 13 31 18 34  
TEMP 23 24 23 20 15 14 13 19 29 31 29 22 20 19 18 23 33 34 32  
DEWPT 17 18 17 16 13 12 12 15 20 19 20 19 18 16 16 19 25 24 25  
RH 77 77 77 84 92 92 96 84 69 61 69 88 92 88 92 84 72 66 75  
WIND DIR N NW NE N NE NE E E N W NW W SW SW SW SW W W W  
WIND SPD 11 14 17 13 13 10 9 9 8 9 11 10 12 13 14 14 18 20 13  
WIND GUST 18 24 27 21 27 31 20  
CLOUDS OV OV OV OV OV BK BK BK BK BK SC SC SC SC BK BK OV OV OV  
POP 12HR 80 50 20 20 50  
QPF 12HR 0.08 0.01 0.06 0.01 0.09  
SNOW 12HR 1 T 1 T 1  
SNOW D L C C S S  
SNOWSHWRS S S S S S S S S C C L  
WIND CHILL 12 11 9 7 0 1 2 8 11 7 6 4 10 22 22  
MIN CHILL 10 9 -1 0 2 19 7 4 4 21  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 22 31 21 30 21 37 24 43  
TEMP 24 22 30 29 22 21 29 28 22 21 35 34 25 24 40 40  
DEWPT 23 21 23 23 22 20 24 23 19 18 24 25 24 22 29 28  
PWIND DIR W W W W NW NW W W  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS OV BK BK BK OV OV OV BK BK SC SC SC SC SC SC SC  
POP 12HR 60 60 70 50 30 10 10 10  
SNOWSHWRS L C C C L L C C C S  
 

 
 
WYZ023-282300-  
AFTON-LINCOLN WY  
42.71N 110.94W ELEV. 6201 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 40 21 48 25 51  
TEMP 36 40 40 34 25 23 22 27 43 47 45 34 30 27 25 31 46 50 49  
DEWPT 27 29 28 26 20 19 18 21 26 28 30 26 24 22 21 24 29 31 34  
RH 69 64 62 72 81 84 84 78 51 47 55 72 78 81 84 75 51 48 56  
WIND DIR N N N N N SE E SE N NW NW NW SW S SW SW W W W  
WIND SPD 8 10 11 5 2 3 3 2 3 4 5 3 3 3 4 4 9 11 10  
WIND GUST 18  
CLOUDS OV OV OV OV BK BK SC SC SC SC SC SC SC SC BK BK BK BK BK  
POP 12HR 70 50 10 5 20  
QPF 12HR 0.09 0.01 0 0 0.01  
SNOW 12HR 1 T 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS S S C  
SNOW L C C C S S  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 33 49 29 48 28 54 31 60  
TEMP 37 33 46 47 34 30 45 46 33 29 49 51 36 32 55 57  
DEWPT 32 30 28 30 28 25 29 32 27 24 30 34 29 26 32 35  
PWIND DIR W W W W NW NW W W  
WIND CHAR GN LT LT LT LT LT LT LT  
AVG CLOUDS BK BK BK BK BK BK BK BK BK SC SC SC SC FW SC SC  
POP 12HR 30 20 30 30 20 5 5 5  
RAIN SHWRS C S S S C C S  
SNOWSHWRS S S C C  
 

 
 
WYZ004-282300-  
POWELL-PARK WY  
44.87N 108.79W ELEV. 5092 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 39 27 49 32 56  
TEMP 35 38 38 34 30 29 27 33 44 49 46 39 36 35 32 39 50 56 53  
DEWPT 31 30 30 30 26 26 25 27 28 27 28 29 29 29 28 30 32 31 33  
RH 85 73 73 85 85 88 92 78 53 42 49 67 75 78 85 70 50 38 46  
WIND DIR N N N N NW N W SE SE S SE SE S S S S S SW W  
WIND SPD 21 19 13 18 14 12 8 6 9 9 10 11 10 10 10 11 14 13 10  
WIND GUST 34 31 21 25 23 20  
CLOUDS OV OV OV BK BK BK SC SC SC SC FW FW FW FW SC SC SC SC BK  
POP 12HR 70 40 10 5 10  
QPF 12HR 0.04 0.01 0 0 0  
SNOW 12HR T T 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS S  
SNOW L C C S  
WIND CHILL 23 23 19  
MIN CHILL 22 25 18 18 20 29 24 25  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 36 51 35 48 34 56 38 66  
TEMP 41 36 48 48 39 35 45 46 37 34 51 53 42 38 59 62  
DEWPT 34 33 31 31 32 31 32 32 32 31 32 31 33 32 35 35  
PWIND DIR NW NW NW NW NW NW W S  
WIND CHAR GN BZ GN GN GN GN GN GN  
AVG CLOUDS BK BK SC SC BK BK OV BK BK SC FW SC SC SC SC SC  
POP 12HR 30 20 30 40 20 10 5 5  
RAIN SHWRS S S S S S C C C S  
SNOWSHWRS S C  
 

 
 
WYZ004-282300-  
COWLEY-BIG HORN WY  
44.91N 108.45W ELEV. 4090 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 44 30 53 34 60  
TEMP 41 43 44 39 34 32 30 37 47 53 52 44 40 36 34 41 53 60 58  
DEWPT 32 30 29 31 28 28 27 28 28 29 29 30 30 29 28 29 30 31 32  
RH 70 60 55 73 78 85 88 70 47 39 41 57 67 75 78 62 41 33 37  
WIND DIR N N NE N N N SE S SE S S S S S S S S SW W  
WIND SPD 14 18 16 12 9 6 3 4 6 6 9 8 6 6 6 6 11 10 9  
WIND GUST 25 29 25 18  
CLOUDS OV OV BK BK BK BK SC SC SC SC FW FW FW FW SC SC SC SC BK  
POP 12HR 70 30 10 0 5  
QPF 12HR 0.02 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN L C C  
RAIN SHWRS S  
SNOW C S  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 39 55 37 52 37 60 41 71  
TEMP 45 39 51 54 42 37 48 51 42 37 54 59 47 41 63 69  
DEWPT 36 34 31 31 34 33 32 33 34 33 31 32 35 33 34 36  
PWIND DIR W NW N N N N W S  
WIND CHAR GN GN GN LT GN LT GN LT  
AVG CLOUDS BK BK SC SC BK BK OV BK BK SC FW SC SC SC SC SC  
POP 12HR 20 20 30 30 20 10 5 5  
RAIN SHWRS S S S S S S C C S  
 

 
 
WYZ016-282300-  
DUBOIS-FREMONT WY  
43.55N 109.69W ELEV. 7291 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 36 20 42 23 48  
TEMP 36 36 32 28 24 21 20 27 38 42 40 32 29 25 23 31 44 48 46  
DEWPT 21 22 23 23 18 17 16 19 20 19 19 21 21 19 17 21 24 23 24  
RH 54 56 69 81 77 84 84 71 48 39 42 63 72 78 77 66 45 37 42  
WIND DIR NW NE E E E N N E E N W W W W W W W W W  
WIND SPD 12 10 14 6 5 3 5 4 8 9 10 6 8 9 10 13 18 17 14  
WIND GUST 20 24 27 25 23  
CLOUDS OV OV OV OV OV BK BK BK SC SC SC SC SC SC SC SC SC SC BK  
POP 12HR 80 50 20 10 20  
QPF 12HR 0.05 0.01 0.01 0 0.01  
SNOW 12HR 1 T T 00-00 00-00  
RAIN SHWRS S S C  
SNOW L L C C S S  
SNOWSHWRS S S  
WIND CHILL 12  
MIN CHILL 27 22 17 12 12 21 12 14  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 46 29 43 27 50 31 56  
TEMP 35 30 43 44 34 29 41 41 32 27 46 48 37 31 52 53  
DEWPT 29 27 25 23 27 24 24 23 24 21 24 23 26 23 27 26  
PWIND DIR W NW W W NW NW W W  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS BK BK BK BK BK OV OV BK BK SC SC SC SC SC SC SC  
POP 12HR 40 20 40 40 30 10 5 5  
RAIN SHWRS C S S C C C S  
SNOWSHWRS C S C C C  
 

 
 
WYZ027-282300-  
KEMMERER-LINCOLN WY  
41.83N 110.56W ELEV. 7285 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 36 20 43 24 49  
TEMP 33 36 35 30 24 22 20 26 39 42 41 33 29 26 24 31 44 48 47  
DEWPT 25 26 27 23 20 19 18 21 24 25 25 24 23 22 21 25 27 29 30  
RH 72 67 72 75 84 88 92 81 54 50 52 69 78 85 88 78 51 47 51  
WIND DIR NW NW NE NE NE NE NE E NE N NW NW W W W W W W W  
WIND SPD 23 20 5 11 10 8 4 5 5 8 9 6 4 5 6 9 18 18 16  
WIND GUST 36 33 27 27 24  
CLOUDS OV OV OV OV OV BK BK SC SC SC SC SC FW FW SC SC SC SC SC  
POP 12HR 80 70 10 5 5  
QPF 12HR 0.12 0.04 0 0 0  
SNOW 12HR 1 T 00-00 00-00 00-00  
SNOW L L L C S S  
WIND CHILL 21 25  
MIN CHILL 21 23 14 11 12 23 16 16  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 49 28 47 29 54 32 62  
TEMP 35 30 46 46 33 28 43 45 34 29 49 51 38 32 56 59  
DEWPT 29 28 28 29 27 26 29 30 28 26 29 30 29 27 31 32  
PWIND DIR W W NW W NW NW NW W  
WIND CHAR GN GN GN GN GN LT GN LT  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW  
POP 12HR 10 10 10 20 10 5 5 5  
RAIN SHWRS S S  
SNOWSHWRS S  
 

 
 
WYZ023-282300-  
ALPINE-LINCOLN WY  
43.18N 111.04W ELEV. 5634 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 42 21 48 26 51  
TEMP 37 41 41 35 26 23 22 27 43 48 46 37 31 28 27 31 46 51 49  
DEWPT 28 29 27 25 19 18 17 20 25 28 28 26 24 22 21 24 29 32 32  
RH 70 62 57 66 74 81 81 74 49 46 49 64 75 78 78 75 51 48 52  
WIND DIR NW NW N N N E E E NW W W W S S S SW W W W  
WIND SPD 12 13 14 5 5 6 4 4 2 3 3 3 3 3 3 3 9 9 8  
WIND GUST 20 21 24  
CLOUDS OV OV OV BK BK BK SC SC SC SC SC SC SC SC BK BK BK BK OV  
POP 12HR 60 40 10 5 30  
QPF 12HR 0.05 0.01 0 0 0.01  
SNOW 12HR T T 00-00 00-00 00-00  
RAIN L C  
RAIN SHWRS S S C  
SNOW L C C S  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 34 49 32 48 30 54 32 60  
TEMP 38 35 46 47 36 33 45 46 35 31 49 51 38 33 55 57  
DEWPT 32 30 28 30 29 27 29 31 26 24 27 31 29 27 31 33  
PWIND DIR W W SW W NW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS OV BK BK BK BK OV BK BK BK SC FW SC SC FW SC SC  
POP 12HR 40 20 40 30 20 5 5 5  
RAIN SHWRS C C S S S C C C S  
SNOWSHWRS C S C C  
 

 
 
WYZ023-282300-  
COKEVILLE-LINCOLN WY  
42.05N 110.97W ELEV. 6270 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 39 22 46 25 52  
TEMP 36 39 38 34 26 24 22 30 42 46 44 35 30 27 25 34 48 52 50  
DEWPT 26 28 28 27 22 21 20 24 24 24 26 26 25 23 22 28 29 30 32  
RH 67 64 67 75 85 88 92 78 48 42 49 69 81 85 88 78 47 43 50  
WIND DIR NW N N N N N E E S N NW NW NW SW SW W W W W  
WIND SPD 19 20 10 6 5 4 3 4 4 5 6 4 3 2 2 4 13 14 13  
WIND GUST 31 33 20 23  
CLOUDS OV OV OV OV OV BK BK SC SC SC SC SC FW FW SC SC BK BK BK  
POP 12HR 60 50 10 5 5  
QPF 12HR 0.03 0.03 0 0 0  
SNOW 12HR T T 00-00 00-00 00-00  
RAIN C  
SNOW L C C C S S  
WIND CHILL 25  
MIN CHILL 25 26 18 16 16 26 24 25  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 51 29 50 29 57 32 64  
TEMP 36 31 48 49 34 29 47 48 34 29 53 54 38 32 59 61  
DEWPT 32 29 28 30 30 27 31 33 30 27 32 34 31 28 33 35  
PWIND DIR W W NW W NW NW NW NW  
WIND CHAR GN GN GN LT GN LT LT LT  
AVG CLOUDS BK BK BK BK SC SC BK SC SC FW FW SC FW FW FW FW  
POP 12HR 10 10 10 20 10 5 5 5  
RAIN SHWRS S S  
SNOWSHWRS S  
 

 
 
WYZ028-282300-  
GREEN RIVER-SWEETWATER WY  
41.46N 109.49W ELEV. 7182 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 38 24 45 27 55  
TEMP 35 37 36 32 28 26 24 32 42 45 43 37 32 29 27 37 51 55 53  
DEWPT 29 29 29 27 23 23 22 24 21 22 24 26 26 25 24 29 25 27 29  
RH 78 72 75 81 81 88 92 72 43 40 47 64 78 85 88 72 36 34 39  
WIND DIR NW N NE NE NE NE NE NE NE N N E W W W W W W W  
WIND SPD 16 12 16 14 14 10 9 13 12 10 8 4 4 4 4 10 18 19 18  
WIND GUST 25 20 25 20 19 27 28 27  
CLOUDS OV OV OV OV BK BK SC SC SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 80 40 10 5 0  
QPF 12HR 0.12 0.02 0 0 0  
SNOW 12HR 1 T 00-00 00-00 00-00  
RAIN C  
SNOW L C C C S S  
WIND CHILL 16  
MIN CHILL 24 26 16 14 14 27 22 22  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 34 55 33 53 32 60 35 68  
TEMP 40 34 52 53 39 33 50 51 38 32 56 57 42 35 63 65  
DEWPT 34 32 24 27 32 30 26 29 32 30 25 27 31 29 27 30  
PWIND DIR W W NW W NW N W W  
WIND CHAR GN GN GN GN GN LT GN LT  
AVG CLOUDS SC SC SC SC SC SC SC BK SC SC FW FW FW FW FW FW  
POP 12HR 5 5 10 20 10 5 5 5  
RAIN SHWRS S S  
 

 
 
WYZ017-282300-  
SHOSHONI-FREMONT WY  
43.25N 108.12W ELEV. 4817 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 39 28 46 28 57  
TEMP 38 39 37 35 32 30 28 31 39 46 44 38 33 31 28 33 46 57 55  
DEWPT 32 31 28 28 28 27 26 28 27 28 27 28 27 26 25 28 30 30 31  
RH 79 73 70 75 85 88 92 88 62 49 51 67 78 81 88 82 53 35 40  
WIND DIR N NE E NE N N NW NW N S S S S S S S SW W NW  
WIND SPD 16 17 14 8 8 4 3 2 4 2 5 5 5 5 5 3 6 8 6  
WIND GUST 25 27 24  
CLOUDS OV OV OV OV OV BK BK BK SC SC FW FW FW FW FW FW FW FW SC  
POP 12HR 80 50 20 0 0  
QPF 12HR 0.11 0.02 0 0 0  
SNOW 12HR T T 00-00 00-00 00-00  
RAIN L  
SNOW D L C C C S  
SNOWSHWRS S  
OBVIS PF PF PF PF  
WINTER WEATH Y Y Y Y  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 36 54 36 52 35 59 38 71  
TEMP 42 36 47 52 41 36 46 50 41 35 50 57 45 38 58 68  
DEWPT 34 33 32 30 33 32 33 33 33 32 32 30 33 32 35 32  
PWIND DIR W N E NW NW NW E SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC BK BK BK BK BK SC SC FW FW SC SC FW  
POP 12HR 10 10 20 40 20 5 0 0  
RAIN SHWRS S S C C S  
 

 
 
WYZ005-282300-  
THERMOPOLIS-HOT SPRINGS WY  
43.66N 108.21W ELEV. 4592 FT  
1130 AM MDT FRI APR 28 2017  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 40 29 48 29 58  
TEMP 38 39 40 36 32 30 29 36 43 47 47 40 35 31 30 40 50 56 57  
DEWPT 32 32 30 30 28 27 26 29 30 30 30 28 27 26 25 29 31 31 32  
RH 79 76 67 79 85 88 88 75 60 51 51 62 72 81 81 64 48 38 38  
WIND DIR N N E SW NW NW W SW S SE S S S S S S S S N  
WIND SPD 20 11 9 4 6 5 4 4 5 8 9 8 9 8 6 8 10 6 8  
WIND GUST 33 18  
CLOUDS OV OV OV OV OV BK BK BK SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 90 60 20 0 0  
QPF 12HR 0.17 0.04 0.01 0 0  
SNOW 12HR T T T 00-00 00-00  
RAIN D L L  
SNOW D L L C C C  
SNOWSHWRS S  
WIND CHILL 27  
MIN CHILL 26 27 24 22 22 28 22 22  
WINTER WEATH Y Y Y Y  
 
DATE MON 05/01/17 TUE 05/02/17 WED 05/03/17 THU 05/04/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 36 55 36 53 36 60 39 70  
TEMP 43 37 50 54 42 36 48 52 41 36 53 59 45 39 61 69  
DEWPT 34 32 32 32 33 32 34 34 32 30 32 29 33 31 37 35  
PWIND DIR W N NW NW NW W W S  
WIND CHAR LT GN GN LT GN GN GN LT  
AVG CLOUDS SC SC SC SC BK BK BK BK BK BK SC FW SC SC SC SC  
POP 12HR 20 20 30 40 20 10 0 0  
RAIN SHWRS S S S S C C C 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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