522  
FOUS55 KRIW 201635  
PFMRIW  
FOUS55 KRIW 201634  
PFMRIW  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE RIVERTON WY  
1034 AM MDT TUE OCT 20 2020  
 
WYZ020-202300-  
CASPER-NATRONA WY  
42.91N 106.46W ELEV. 5530 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 51 27 65 27 32  
TEMP 48 49 45 37 33 31 36 45 57 64 58 40 32 31 28 28 30 32 28  
DEWPT 33 31 31 30 27 26 30 32 33 33 31 30 27 25 25 24 24 23 20  
RH 56 50 58 75 78 81 79 60 40 31 36 67 81 78 88 85 78 69 71  
WIND DIR NW N E E E SW SW W W W SW NW N N N N N N N  
WIND SPD 6 8 12 10 4 3 8 11 17 17 16 8 10 10 10 14 16 17 17  
WIND GUST 25 26 23 24 25 24  
CLOUDS SC SC SC SC SC SC FW FW CL FW SC SC BK BK OV OV OV OV BK  
POP 12HR 5 5 5 40 80  
QPF 12HR 0 0 0 0.04 0.21  
SNOW 12HR 00-00 00-00 00-00 T 2  
SNOWSHWRS C C D D C C C  
WIND CHILL 16 19 21 16  
MIN CHILL 28 28 24 19 16 16  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 9 34 19 38 6 20 0 23  
TEMP 12 9 26 31 21 19 32 32 10 6 16 16 3 0 16 20  
DEWPT 9 6 18 18 13 12 23 23 7 4 12 10 1 -2 10 9  
PWIND DIR NE SE S NW N N N W  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS BK BK SC BK BK BK OV OV OV OV OV BK BK BK SC SC  
POP 12HR 30 10 20 60 80 60 40 30  
RAIN SHWRS L  
SNOWSHWRS C S C L D D L C C C C S  
 

 
 
WYZ017-202300-  
RIVERTON-FREMONT WY  
43.06N 108.46W ELEV. 5525 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 54 33 65 28 35  
TEMP 52 54 50 42 39 37 34 39 52 64 58 42 39 34 30 30 33 35 31  
DEWPT 31 31 31 28 29 29 29 29 31 32 32 25 25 23 22 20 20 19 17  
RH 44 41 48 57 67 72 82 67 44 30 37 50 57 64 72 66 58 52 56  
WIND DIR E E NE NE NE NW W S E NE W W N N N N N N NE  
WIND SPD 10 11 8 6 3 5 3 4 8 4 11 9 16 11 10 16 17 14 11  
WIND GUST 12 23 26 23  
CLOUDS BK SC SC FW FW FW SC SC FW FW FW FW SC BK BK OV OV BK BK  
POP 12HR 0 0 5 30 60  
QPF 12HR 0 0 0 0.05 0.12  
SNOW 12HR 00-00 00-00 00-00 T 1  
RAIN SHWRS C  
SNOWSHWRS C C L L C C S  
WIND CHILL 19 22  
MIN CHILL 31 30 21 17 22  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 11 32 19 34 7 21 2 24  
TEMP 18 12 25 30 23 20 29 30 15 8 17 18 8 3 17 21  
DEWPT 9 6 11 12 11 11 18 18 7 2 8 7 1 -3 6 8  
PWIND DIR NE NE NE N N N N SW  
WIND CHAR GN LT LT GN GN LT GN LT  
AVG CLOUDS SC SC SC SC SC BK BK OV OV OV BK SC SC SC SC SC  
POP 12HR 20 5 30 70 70 40 30 20  
SNOWSHWRS S C C L L L C C C C S  
 

 
 
WYZ018-202300-  
LANDER-FREMONT WY  
42.82N 108.73W ELEV. 5586 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 57 34 64 29 36  
TEMP 54 56 52 42 37 36 36 38 53 63 60 44 39 33 31 30 34 36 32  
DEWPT 31 28 30 27 26 26 28 29 31 32 31 25 25 23 23 21 20 19 16  
RH 41 34 43 55 64 67 72 70 43 31 33 47 57 66 72 69 56 50 51  
WIND DIR E NE E NE NW N W E N NW W W W NE NE NE NE NE NE  
WIND SPD 9 8 6 2 3 3 3 3 6 9 10 9 2 5 6 8 8 8 5  
WIND GUST 13 17  
CLOUDS BK SC SC FW FW FW FW FW FW FW SC SC SC BK BK BK BK BK BK  
POP 12HR 0 5 10 40 60  
QPF 12HR 0 0 0 0.04 0.14  
SNOW 12HR 00-00 00-00 00-00 00-00 1  
RAIN SHWRS C  
SNOWSHWRS C C L L C C C  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 12 37 21 38 8 23 4 27  
TEMP 19 13 29 35 25 22 33 34 16 9 18 20 9 5 20 24  
DEWPT 10 6 13 14 12 12 19 20 8 3 7 6 0 -3 6 7  
PWIND DIR N NW W NW NE NE N N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC BK OV OV OV BK SC SC SC SC SC  
POP 12HR 30 10 30 70 70 50 40 20  
SNOWSHWRS C S C C L L L C C C C S  
 

 
 
WYZ028-202300-  
ROCK SPRINGS-SWEETWATER WY  
41.61N 109.07W ELEV. 6760 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 60 40 65 35 42  
TEMP 56 59 55 48 46 44 42 44 57 64 60 48 43 39 37 36 40 42 37  
DEWPT 29 28 27 29 28 28 28 28 29 25 27 24 23 21 21 21 16 14 11  
RH 35 30 34 47 49 53 57 53 34 22 28 39 45 48 52 54 37 31 33  
WIND DIR W W W W W W W W W W W SW W W W W W NW N  
WIND SPD 23 25 18 13 12 11 13 16 24 25 23 13 13 17 16 13 16 16 14  
WIND GUST 34 36 27 33 34 32 23 24 23  
CLOUDS BK SC SC FW FW FW FW FW FW FW FW FW FW SC BK SC SC SC FW  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
SNOWSHWRS S S  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 14 42 27 48 12 25 6 25  
TEMP 22 16 35 39 31 28 43 42 22 14 22 22 11 7 20 22  
DEWPT 7 4 11 9 9 9 18 17 7 4 10 9 1 -3 5 5  
PWIND DIR NE S SW SW N NE NE N  
WIND CHAR GN LT GN GN GN GN BZ GN  
AVG CLOUDS FW FW SC SC SC SC BK BK OV OV BK SC SC SC SC SC  
POP 12HR 5 5 10 40 60 40 30 20  
RAIN SHWRS C  
SNOWSHWRS S C L C C C C C S  
 

 
 
WYZ026-202300-  
BIG PINEY-SUBLETTE WY  
42.58N 110.11W ELEV. 6990 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 57 29 60 28 41  
TEMP 52 56 51 40 37 34 31 36 50 59 54 39 36 32 29 31 38 41 36  
DEWPT 27 25 25 25 27 27 26 27 31 31 27 22 23 22 21 18 13 10 9  
RH 38 30 36 55 67 75 81 69 48 34 35 50 59 66 72 58 35 27 32  
WIND DIR W W W SW SW SW S S W W W W NW NW NW NW NW NW NW  
WIND SPD 10 13 8 5 5 5 5 4 13 18 14 8 10 8 8 8 11 12 10  
WIND GUST 17 21 20 27  
CLOUDS SC BK SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW  
POP 12HR 5 5 10 30 20  
QPF 12HR 0 0 0 0.01 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S  
SNOWSHWRS S C C S S  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 7 38 17 42 4 28 -5 28  
TEMP 16 8 30 35 22 18 36 36 14 5 22 23 3 -4 20 23  
DEWPT 5 3 5 5 8 10 18 17 8 4 6 4 -2 -4 2 1  
PWIND DIR SE SE S W SW S N NW  
WIND CHAR LT LT LT GN GN GN LT LT  
AVG CLOUDS FW FW SC SC SC BK BK OV OV BK BK SC SC SC SC SC  
POP 12HR 10 10 30 70 60 40 30 10  
RAIN SHWRS L  
SNOWSHWRS S C L L L C C C C S  
 

 
 
WYZ025-202300-  
PINEDALE-SUBLETTE WY  
42.80N 109.81W ELEV. 7086 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 53 29 57 27 39  
TEMP 49 52 47 38 35 33 32 37 50 56 52 38 33 30 28 30 37 39 34  
DEWPT 27 25 25 26 29 29 28 30 32 31 27 22 23 23 22 19 13 11 9  
RH 42 35 42 62 78 85 85 75 50 38 38 52 66 75 78 63 37 31 35  
WIND DIR NW W NW W SW SW NE E NW W W W NW NW NW NW NW W NW  
WIND SPD 11 11 8 3 5 2 3 3 5 12 12 5 6 10 9 9 10 12 9  
WIND GUST 18 12 23 19  
CLOUDS BK SC SC SC SC BK BK BK BK BK SC BK BK BK SC SC SC SC SC  
POP 12HR 5 10 20 40 40  
QPF 12HR 0 0 0.02 0.02 0.01  
SNOW 12HR 00-00 00-00 00-00 T T  
RAIN SHWRS S  
SNOWSHWRS S C C C C S S S  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 8 36 16 39 6 26 -2 27  
TEMP 14 9 31 33 20 16 35 34 13 7 22 22 4 -1 22 23  
DEWPT 5 4 6 7 10 11 18 17 8 5 4 3 -2 -3 1 1  
PWIND DIR NE S S SW SW SW NW NW  
WIND CHAR LT LT LT GN LT LT LT LT  
AVG CLOUDS SC FW SC SC SC BK OV OV OV BK BK SC SC SC SC SC  
POP 12HR 20 10 40 70 70 40 30 20  
SNOWSHWRS S S C L L L L C C C C S  
 

 
 
WYZ013-202300-  
JACKSON-TETON WY  
43.60N 110.73W ELEV. 6451 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 52 34 50 25 38  
TEMP 48 50 49 43 40 39 37 39 45 49 49 37 32 29 26 27 33 38 35  
DEWPT 27 27 29 29 30 29 30 33 34 36 30 24 24 23 22 20 13 11 11  
RH 44 41 46 57 67 67 75 79 65 61 48 59 72 78 85 74 43 32 36  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW W W NW NW NW NW NW  
WIND SPD 9 11 8 5 6 6 8 9 12 19 16 12 9 9 8 6 6 8 6  
WIND GUST 28  
CLOUDS BK SC SC SC SC SC BK BK BK BK SC SC BK BK SC SC SC SC FW  
POP 12HR 10 20 30 50 40  
QPF 12HR 0 0 0.03 0.10 0.03  
SNOW 12HR 00-00 00-00 00-00 1 T  
RAIN SHWRS S C C C C C  
SNOWSHWRS C C C C C S S  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 11 38 21 36 5 28 -1 28  
TEMP 18 12 28 36 25 22 31 32 13 6 20 24 6 0 17 25  
DEWPT 7 4 4 10 19 21 21 20 9 4 6 8 1 -2 2 7  
PWIND DIR E S SW SW NW NE N N  
WIND CHAR LT LT GN GN LT LT GN LT  
AVG CLOUDS FW FW SC BK BK OV OV OV OV BK BK SC SC SC SC SC  
POP 12HR 5 20 60 80 60 40 20 10  
SNOWSHWRS S C L D D L C C C S S  
 

 
 
WYZ001-202300-  
LAKE YELLOWSTONE-TETON WY  
44.55N 110.42W ELEV. 7835 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 28 41 15 25  
TEMP 37 40 38 35 33 31 31 31 37 40 38 27 21 17 15 16 22 25 22  
DEWPT 23 21 24 28 28 27 27 29 32 33 28 20 16 13 11 12 12 9 7  
RH 56 46 57 75 82 85 85 92 82 76 67 74 81 84 84 84 65 50 52  
WIND DIR W W SW SW SW SW SW SW SW SW SW W NW NW N N N NW NW  
WIND SPD 16 14 12 11 10 11 10 14 19 20 8 6 3 2 3 2 2 3 1  
WIND GUST 26 21 31 34  
CLOUDS OV BK BK OV BK BK BK OV BK OV OV OV OV OV BK BK BK SC SC  
POP 12HR 20 30 60 70 50  
QPF 12HR 0 0.02 0.11 0.33 0.06  
SNOW 12HR 00-00 T T 3 1  
RAIN SHWRS C L L  
SNOWSHWRS S C C C C C C L L L L C C C C  
WIND CHILL 20  
MIN CHILL 25 29 24 22 20 29 16 9 9 21  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 1 27 13 26 -3 19 -5 22  
TEMP 6 1 19 25 16 13 22 23 4 -3 12 16 0 -5 13 20  
DEWPT -1 -3 8 9 11 12 16 14 1 -4 5 5 -4 -6 4 6  
PWIND DIR S SW SW NW NE NE N NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC BK BK OV OV OV OV OV BK BK SC SC SC SC SC  
POP 12HR 10 30 80 90 60 40 20 10  
SNOWSHWRS C L D D D L C C C S  
 

 
 
WYZ003-202300-  
CODY-PARK WY  
44.52N 109.02W ELEV. 5102 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 46 29 52 19 24  
TEMP 43 44 41 36 35 33 32 37 47 51 46 34 29 26 20 20 23 24 21  
DEWPT 33 30 30 28 30 29 30 28 30 31 32 25 23 20 16 15 15 16 14  
RH 67 57 65 72 82 85 92 70 51 46 58 69 78 78 84 81 71 71 74  
WIND DIR NE E E SE SE NE N S E SE N N N N N N N N N  
WIND SPD 9 5 5 3 4 2 4 2 8 8 13 12 10 10 12 13 17 13 10  
WIND GUST 14 25 21  
CLOUDS OV BK BK SC SC SC SC SC SC SC OV OV OV OV OV OV OV BK BK  
POP 12HR 20 20 50 80 70  
QPF 12HR 0 0 0.06 0.26 0.14  
SNOW 12HR 00-00 00-00 00-00 2 2  
RAIN SHWRS S S S S S C C L  
SNOWSHWRS S S S S S L D D L L C C S  
WIND CHILL 7 7 9 12 10  
MIN CHILL 31 26 29 20 7 6 10  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 6 23 14 21 3 18 1 25  
TEMP 11 7 20 21 17 14 20 18 8 4 15 15 6 2 20 22  
DEWPT 6 2 10 12 11 8 13 11 3 -2 5 6 -1 -6 8 9  
PWIND DIR W SE N N N N W S  
WIND CHAR LT LT LT GN GN GN LT GN  
AVG CLOUDS BK SC SC BK BK OV OV OV OV BK BK SC SC SC SC FW  
POP 12HR 20 20 70 80 70 40 30 10  
SNOWSHWRS S S C L L D L L C C C S  
 

 
 
WYZ004-202300-  
GREYBULL-BIG HORN WY  
44.52N 108.08W ELEV. 3939 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 51 33 56 24 32  
TEMP 49 49 46 42 40 38 36 34 46 55 53 42 34 30 26 25 30 32 30  
DEWPT 33 30 31 31 31 31 30 32 34 34 36 31 26 23 20 18 17 16 16  
RH 54 48 55 65 70 76 79 92 63 45 52 65 72 75 78 74 58 51 55  
WIND DIR NW NW N N NE W NW NW E W N NW NW NW NW NW NW NW NW  
WIND SPD 12 6 6 3 2 2 8 6 3 3 10 13 12 14 23 20 19 19 13  
WIND GUST 10 11 31 28 28 29  
CLOUDS FW SC SC BK BK SC SC SC SC SC BK BK OV OV OV OV OV BK SC  
POP 12HR 20 20 40 80 80  
QPF 12HR 0 0 0.01 0.16 0.12  
SNOW 12HR 00-00 00-00 00-00 1 1  
RAIN SHWRS S S S S S L L  
SNOWSHWRS D D D D C C S  
OBVIS BS BS BS BS  
WIND CHILL 19 11 11 17 20 19  
MIN CHILL 30 27 25 11 9 19  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 10 28 16 29 7 23 -1 23  
TEMP 17 12 23 27 20 17 25 27 14 9 18 21 7 1 16 21  
DEWPT 10 6 11 14 13 12 16 17 8 4 7 10 1 -3 4 8  
PWIND DIR NE SE N NW NW NW W S  
WIND CHAR LT LT LT GN GN LT LT LT  
AVG CLOUDS SC SC SC BK BK OV OV OV OV OV BK SC SC SC SC SC  
POP 12HR 20 10 60 70 80 40 30 10  
SNOWSHWRS S C L L L D L C C C S  
 

 
 
WYZ006-202300-  
WORLAND-WASHAKIE WY  
43.97N 107.95W ELEV. 4227 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 51 29 64 25 34  
TEMP 48 50 46 39 37 34 32 34 51 63 54 40 34 32 27 27 32 34 30  
DEWPT 33 30 30 29 29 28 28 30 32 33 37 29 26 26 22 21 19 18 17  
RH 56 46 53 67 72 78 85 85 48 32 52 64 72 78 81 78 58 51 58  
WIND DIR NW N NE NE SE SE NW N NE E W NW NW NW NW NW NW NW NW  
WIND SPD 9 5 6 4 2 4 3 5 4 4 6 8 8 10 14 13 18 16 11  
WIND GUST 12 27 24  
CLOUDS BK SC BK BK SC SC SC SC FW FW SC SC OV OV OV OV OV BK BK  
POP 12HR 10 5 20 70 80  
QPF 12HR 0 0 0 0.13 0.13  
SNOW 12HR 00-00 00-00 00-00 1 2  
RAIN SHWRS C C  
SNOWSHWRS C L L D D C C C  
WIND CHILL 15 16 20  
MIN CHILL 29 26 27 15 13 20  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 10 34 14 27 4 20 -3 21  
TEMP 16 11 28 30 19 15 24 23 10 5 16 16 3 -2 15 17  
DEWPT 10 7 16 19 15 13 17 16 8 5 9 9 1 -2 6 8  
PWIND DIR W SE N NW NW NW NW SE  
WIND CHAR LT LT LT GN GN LT LT LT  
AVG CLOUDS SC SC SC SC BK BK OV OV OV OV BK SC SC SC SC SC  
POP 12HR 30 10 40 70 80 50 30 20  
SNOWSHWRS C S C L L D L C C C C S  
 

 
 
WYZ005-202300-  
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY  
43.71N 108.39W ELEV. 4902 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 47 26 63 23 31  
TEMP 45 45 44 36 32 31 30 35 52 62 57 35 31 26 25 25 29 31 28  
DEWPT 35 31 30 28 27 27 27 29 30 32 32 23 21 18 18 17 16 15 14  
RH 68 58 57 72 81 85 88 78 43 32 38 61 66 71 74 71 58 51 55  
WIND DIR NE E E NE S S N E NE W W NW N N N N N N N  
WIND SPD 8 6 4 2 2 4 4 4 4 12 8 8 10 9 12 17 20 18 13  
WIND GUST 23 24 31 27  
CLOUDS OV BK SC SC FW FW FW SC FW FW SC SC OV OV OV OV BK BK BK  
POP 12HR 5 5 10 60 70  
QPF 12HR 0 0 0 0.10 0.13  
SNOW 12HR 00-00 00-00 00-00 1 2  
RAIN SHWRS S  
SNOWSHWRS S L L L L C C C  
OBVIS BS BS  
WIND CHILL 14 12 16 19 17  
MIN CHILL 25 28 22 14 10 17  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 8 28 14 28 4 19 -2 22  
TEMP 13 9 23 26 17 15 25 25 9 5 15 16 2 -1 16 19  
DEWPT 7 4 11 11 8 8 14 13 2 -1 5 5 -5 -8 4 5  
PWIND DIR NW SE NE N NW N NW S  
WIND CHAR LT LT LT GN GN GN LT LT  
AVG CLOUDS SC SC SC SC BK BK BK OV OV OV BK SC SC SC SC SC  
POP 12HR 30 10 40 70 80 40 30 10  
SNOWSHWRS C S C L L D L C C C C  
 

 
 
WYZ010-202300-  
BUFFALO-JOHNSON WY  
44.38N 106.72W ELEV. 4968 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 30 51 22 24  
TEMP 40 38 35 33 35 33 31 36 45 50 43 33 31 27 25 23 24 24 20  
DEWPT 34 31 30 30 30 28 27 30 32 33 32 27 26 22 22 19 16 15 13  
RH 79 76 82 89 82 82 85 79 60 52 65 78 81 81 88 84 71 68 74  
WIND DIR N NE SE S S S N SW E E N N N N NW NW N N N  
WIND SPD 12 6 4 6 10 8 4 4 5 8 8 10 10 11 20 24 25 21 16  
WIND GUST 29 33 37 32  
CLOUDS BK SC BK BK SC SC SC SC FW SC BK OV OV OV OV OV OV OV OV  
POP 12HR 30 20 40 90 90  
QPF 12HR 0 0 0.01 0.36 0.24  
SNOW 12HR 00-00 00-00 00-00 2 3  
RAIN SHWRS S S C  
SNOWSHWRS S C D D D D L L C  
OBVIS BS BS BS BS  
WIND CHILL 11 7 8 9 6  
MIN CHILL 26 31 27 25 26 21 11 6 6  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 10 25 18 28 8 19 4 25  
TEMP 14 11 22 23 20 19 26 23 14 10 17 15 9 5 21 22  
DEWPT 9 7 13 14 12 12 18 15 6 2 5 3 -2 -6 5 5  
PWIND DIR NW SE E N N N NW SW  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS BK BK SC BK BK BK OV OV OV OV BK BK BK SC SC SC  
POP 12HR 30 10 50 70 80 50 30 20  
SNOWSHWRS C S C C L L D L C C C C S  
 

 
 
WYZ012-202300-  
RENDEZVOUS MOUNTAIN-TETON WY  
43.59N 110.89W ELEV. 10318 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 28 34 16 18  
TEMP 34 34 33 32 32 32 31 32 33 33 28 22 21 21 18 16 17 18 16  
DEWPT 23 23 25 25 25 24 26 30 31 31 21 18 18 14 12 10 6 4 3  
RH 64 64 72 75 75 72 81 92 92 92 75 84 88 74 77 77 61 53 56  
WIND DIR W SW SW SW W W W SW SW SW W W W W W NW NW W NW  
WIND SPD 11 16 12 14 19 17 17 19 20 26 20 19 14 12 10 9 6 5 9  
WIND GUST 36 29 27  
CLOUDS BK SC SC SC SC SC BK OV OV BK BK SC BK BK BK SC SC SC FW  
POP 12HR 10 20 40 50 40  
QPF 12HR 0 0 0.05 0.15 0.03  
SNOW 12HR 00-00 00-00 T 2 T  
SNOWSHWRS S S C C C C C C C C C S S  
WIND CHILL 20 21 20 20 21 20 15 7 8 9 6 4 4  
MIN CHILL 16 24 20 20 20 15 7 4 4 4  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 11 21 18 24 3 8 -1 9  
TEMP 13 12 18 20 19 18 22 18 8 5 7 5 1 0 6 7  
DEWPT 2 -1 0 9 19 16 16 13 7 2 1 -1 -3 -6 -3 -1  
PWIND DIR SW SW SW SW NW W NW NW  
WIND CHAR LT GN GN GN GN LT GN LT  
AVG CLOUDS FW FW SC BK BK OV OV OV OV BK BK SC SC SC SC SC  
POP 12HR 5 20 60 80 60 40 30 10  
SNOWSHWRS S C L D D L C C C C S  
 

 
 
WYZ023-202300-  
AFTON-LINCOLN WY  
42.71N 110.94W ELEV. 6201 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 54 31 57 27 39  
TEMP 50 54 52 42 38 35 34 36 49 56 55 39 33 30 28 29 35 39 36  
DEWPT 31 30 29 29 29 31 30 32 35 34 32 25 24 24 22 21 15 11 9  
RH 48 40 41 60 70 85 85 85 58 43 41 57 69 78 78 72 43 31 32  
WIND DIR W W W SW SW SW S SW W W W W NW W W NW NW NW NW  
WIND SPD 11 11 8 5 6 5 4 4 12 14 9 5 5 5 3 2 4 8 5  
WIND GUST 18 21 26  
CLOUDS OV BK SC SC SC SC SC BK BK BK BK BK BK BK SC SC SC FW FW  
POP 12HR 5 10 20 40 30  
QPF 12HR 0 0 0.01 0.06 0  
SNOW 12HR 00-00 00-00 00-00 T 00-00  
RAIN SHWRS S S S S  
SNOWSHWRS S C C C C  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 11 43 21 42 8 32 1 32  
TEMP 16 12 33 41 25 21 36 38 14 9 25 29 7 2 22 29  
DEWPT 0 -2 5 10 18 19 25 24 10 7 11 10 1 -1 6 7  
PWIND DIR E S SW SW W W NE N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC SC BK OV OV OV OV BK BK SC SC SC SC SC  
POP 12HR 5 10 40 70 60 40 30 10  
RAIN SHWRS L  
SNOWSHWRS S C L L L C C C C C  
 

 
 
WYZ004-202300-  
POWELL-PARK WY  
44.87N 108.79W ELEV. 5092 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 43 32 48 19 22  
TEMP 41 42 39 36 36 34 34 36 41 47 42 32 28 26 19 20 21 22 19  
DEWPT 35 32 29 29 32 32 31 30 32 33 30 25 24 21 16 15 14 14 11  
RH 79 67 67 75 85 92 89 79 70 58 62 75 85 81 88 81 74 71 70  
WIND DIR N N N NE SE N NW W E SE N N N N N N N N N  
WIND SPD 11 10 6 3 2 6 8 5 5 9 16 16 16 19 23 21 20 19 13  
WIND GUST 32 31 31 29  
CLOUDS BK SC BK BK BK BK BK BK SC SC OV OV OV OV OV OV OV BK SC  
POP 12HR 30 30 60 90 80  
QPF 12HR 0 0.01 0.10 0.33 0.14  
SNOW 12HR 00-00 00-00 00-00 3 2  
RAIN SHWRS S C C C C C C D  
SNOWSHWRS S C C C D D D D D C C S  
OBVIS BS BS BS BS BS  
WIND CHILL 21 16 12 2 4 5 7 6  
MIN CHILL 31 27 27 15 2 2 6  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 9 22 14 18 4 15 -1 17  
TEMP 13 9 18 20 16 14 17 15 8 4 11 12 4 -1 11 15  
DEWPT 7 4 10 12 9 7 10 8 1 -3 -1 0 -6 -10 -2 1  
PWIND DIR NW SE N N N N NW S  
WIND CHAR GN GN GN BZ BZ GN GN GN  
AVG CLOUDS SC SC SC BK OV OV OV OV OV OV BK SC SC SC SC SC  
POP 12HR 20 20 70 80 80 40 30 10  
SNOWSHWRS S S C L D D D L C C C S  
 

 
 
WYZ004-202300-  
COWLEY-BIG HORN WY  
44.91N 108.45W ELEV. 4090 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 49 35 51 21 29  
TEMP 46 47 44 40 40 40 38 36 45 50 49 37 30 26 21 22 27 29 27  
DEWPT 37 33 31 31 32 32 32 32 34 35 36 28 24 20 16 16 15 16 15  
RH 71 58 60 70 73 73 79 85 65 56 61 70 78 78 81 77 60 58 60  
WIND DIR NW NW N NE NE NW NW W SE SE N N N N N N N N N  
WIND SPD 10 11 4 2 3 4 5 4 5 5 8 8 10 11 12 10 14 12 10  
WIND GUST 17 13 21 19  
CLOUDS BK SC BK OV OV BK BK BK SC SC OV OV OV OV OV OV OV BK SC  
POP 12HR 30 30 60 90 80  
QPF 12HR 0 0 0.08 0.25 0.13  
SNOW 12HR 00-00 00-00 00-00 1 2  
RAIN SHWRS S C C C C C C D D  
SNOWSHWRS D D D D D C C S  
WIND CHILL 15 9 11 15 18  
MIN CHILL 30 20 9 9 16  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 9 26 15 24 6 20 -1 21  
TEMP 15 9 21 25 18 15 21 22 11 6 16 18 5 -1 15 20  
DEWPT 9 4 12 16 12 10 13 13 4 0 4 6 -2 -6 2 6  
PWIND DIR N SE N N N NW NW S  
WIND CHAR LT LT LT GN GN LT LT LT  
AVG CLOUDS SC SC SC BK OV OV OV OV OV OV BK SC SC SC SC SC  
POP 12HR 20 20 70 80 80 40 30 10  
SNOWSHWRS S S C L D D D L C C C S  
 

 
 
WYZ016-202300-  
DUBOIS-FREMONT WY  
43.55N 109.69W ELEV. 7291 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 49 34 50 24 34  
TEMP 46 48 45 40 38 37 37 39 47 49 45 36 29 27 24 26 32 34 29  
DEWPT 27 23 25 27 27 28 28 29 31 33 26 22 20 19 17 17 14 14 12  
RH 47 37 45 59 64 70 70 67 53 54 47 56 69 71 74 68 47 43 48  
WIND DIR W W W W W W W W W W W W W W W W NW E E  
WIND SPD 14 14 9 6 6 11 11 13 17 20 17 13 11 10 10 9 10 6 13  
WIND GUST 21 21 24 31 24  
CLOUDS BK FW SC SC SC SC SC BK SC BK SC SC OV OV BK BK SC SC SC  
POP 12HR 10 20 30 60 60  
QPF 12HR 0 0 0.04 0.09 0.10  
SNOW 12HR 00-00 00-00 00-00 T 1  
RAIN SHWRS S S C C C C  
SNOWSHWRS S S C L L L L C C S  
WIND CHILL 18  
MIN CHILL 29 29 19 14 14 18  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 7 33 21 34 4 21 -1 25  
TEMP 12 7 29 31 23 21 32 28 10 4 18 17 3 -1 21 22  
DEWPT 4 1 11 13 15 15 20 17 2 -2 3 3 -5 -7 2 3  
PWIND DIR SE W SW SW E E N NW  
WIND CHAR LT GN GN GN GN GN LT GN  
AVG CLOUDS SC SC SC SC BK BK OV OV OV OV BK SC SC SC SC SC  
POP 12HR 20 20 60 80 70 50 30 10  
SNOWSHWRS S S C L D D L L C C C S  
 

 
 
WYZ027-202300-  
KEMMERER-LINCOLN WY  
41.83N 110.56W ELEV. 7285 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 55 34 61 30 38  
TEMP 53 55 51 44 41 39 36 40 54 60 55 43 38 34 30 31 37 38 34  
DEWPT 29 27 27 28 30 29 28 29 30 26 25 21 20 20 19 18 11 7 7  
RH 39 34 39 53 65 67 72 64 40 27 31 41 48 56 63 58 33 27 32  
WIND DIR W W W W W W W W W W W W W NW W W W W NW  
WIND SPD 25 20 17 12 10 9 12 11 21 25 20 10 13 13 11 11 14 17 13  
WIND GUST 36 32 24 29 34 28 23 25  
CLOUDS SC SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW  
POP 12HR 0 0 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
SNOWSHWRS S S  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 13 40 24 45 9 27 2 25  
TEMP 19 13 35 37 28 24 41 39 18 9 24 23 8 2 21 22  
DEWPT 3 4 8 6 9 12 20 19 8 4 6 3 -3 -3 2 0  
PWIND DIR N SE W W NW E NE N  
WIND CHAR LT LT GN BZ GN GN GN GN  
AVG CLOUDS FW FW SC SC SC SC BK BK BK BK BK SC SC SC SC SC  
POP 12HR 0 5 20 60 60 30 30 10  
RAIN SHWRS L  
SNOWSHWRS S C L L C C C C S  
 

 
 
WYZ023-202300-  
ALPINE-LINCOLN WY  
43.18N 111.04W ELEV. 5634 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 56 37 57 28 43  
TEMP 50 55 54 47 44 41 39 39 49 56 54 42 36 32 29 30 37 43 41  
DEWPT 31 29 30 30 33 34 33 33 38 40 44 34 29 26 22 22 21 18 17  
RH 48 37 40 51 65 76 79 79 66 55 69 73 75 78 75 72 52 36 37  
WIND DIR SW W W S S S S S SW W W W W W W NW NW NW NW  
WIND SPD 8 9 5 4 5 5 5 6 11 16 12 9 5 5 5 4 5 8 8  
WIND GUST 16 19 28  
CLOUDS BK SC SC SC SC BK BK BK BK BK BK BK BK BK SC SC SC SC FW  
POP 12HR 10 20 30 40 30  
QPF 12HR 0 0 0.01 0.06 0  
SNOW 12HR 00-00 00-00 00-00 T 00-00  
RAIN SHWRS S S S S S C C C  
SNOWSHWRS C C C C  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 15 43 28 39 14 31 7 30  
TEMP 23 16 31 42 32 29 34 37 21 15 24 29 14 8 20 28  
DEWPT 8 4 9 15 25 28 29 29 19 15 20 23 12 7 14 18  
PWIND DIR E S S SW W N N N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC BK BK OV OV OV BK BK BK BK SC SC SC SC  
POP 12HR 5 20 50 80 60 40 30 10  
RAIN SHWRS D L  
SNOWSHWRS S C C D D L C C C C S  
 

 
 
WYZ023-202300-  
COKEVILLE-LINCOLN WY  
42.05N 110.97W ELEV. 6270 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 57 28 63 27 42  
TEMP 52 56 54 44 37 33 31 34 53 62 58 42 35 31 28 29 38 42 39  
DEWPT 31 30 31 30 30 28 27 31 33 30 33 26 24 22 22 20 13 12 10  
RH 44 37 41 57 75 82 85 89 46 30 39 53 64 69 78 69 35 29 30  
WIND DIR W W W W W W W W W W W W NW NW NW NW NW NW NW  
WIND SPD 16 14 10 5 4 4 8 4 17 19 11 6 8 9 5 6 8 10 9  
WIND GUST 24 21 25 29  
CLOUDS BK SC FW SC SC FW FW SC FW FW FW FW SC SC SC SC FW FW FW  
POP 12HR 0 0 5 20 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
SNOWSHWRS S S S S  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 11 43 21 44 6 31 1 29  
TEMP 19 11 35 41 26 21 38 40 15 7 25 28 8 1 22 26  
DEWPT 3 0 7 11 15 17 22 23 10 7 11 12 3 1 6 8  
PWIND DIR NE S SW W NW SE NE S  
WIND CHAR LT LT LT GN LT LT LT LT  
AVG CLOUDS FW FW SC SC SC SC BK OV BK BK BK SC SC SC SC SC  
POP 12HR 0 10 30 60 60 40 30 20  
RAIN SHWRS L  
SNOWSHWRS C C L L C C C C C S  
 

 
 
WYZ028-202300-  
GREEN RIVER-SWEETWATER WY  
41.46N 109.49W ELEV. 7182 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 62 36 69 35 44  
TEMP 57 62 58 50 46 42 38 42 58 68 65 53 46 40 36 36 42 44 41  
DEWPT 29 26 27 27 25 26 27 28 28 25 27 23 21 20 20 18 10 7 5  
RH 34 25 30 41 43 53 64 57 32 20 24 31 37 44 52 47 26 21 22  
WIND DIR W W W W W W W W W W W SW W W NW NW NW NW NW  
WIND SPD 21 24 17 11 9 9 10 10 21 24 18 8 8 11 10 9 12 13 13  
WIND GUST 33 35 24 29 34 26 20  
CLOUDS SC SC SC FW FW FW FW FW FW FW FW FW FW SC BK SC FW FW FW  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
SNOWSHWRS S S  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 16 42 26 54 12 29 6 27  
TEMP 25 17 36 40 31 27 48 50 26 14 25 27 14 7 22 25  
DEWPT 3 5 8 8 7 10 20 21 8 4 9 9 1 -2 4 5  
PWIND DIR NE S SW SW N E NE N  
WIND CHAR LT LT LT GN GN GN GN LT  
AVG CLOUDS FW FW SC SC SC SC BK BK OV BK BK SC SC SC SC SC  
POP 12HR 5 5 10 40 60 40 30 20  
RAIN SHWRS C L  
SNOWSHWRS S L C C C C C S S  
 

 
 
WYZ017-202300-  
SHOSHONI-FREMONT WY  
43.25N 108.12W ELEV. 4817 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 56 29 65 27 37  
TEMP 52 55 52 43 39 34 31 36 51 64 61 45 39 34 29 29 34 37 34  
DEWPT 33 31 30 28 27 25 25 29 32 33 35 29 26 23 22 20 21 20 18  
RH 48 40 43 55 62 69 78 75 48 31 38 53 59 64 75 69 58 50 51  
WIND DIR NE NE NE E E E E SE E SW W N N N N N N N N  
WIND SPD 9 9 6 12 11 6 3 3 5 4 6 8 9 9 10 12 11 12 9  
WIND GUST 12 19  
CLOUDS SC SC SC SC FW FW FW SC FW FW FW SC BK BK OV OV OV BK BK  
POP 12HR 0 0 5 40 70  
QPF 12HR 0 0 0 0.08 0.12  
SNOW 12HR 00-00 00-00 00-00 T 1  
RAIN SHWRS C  
SNOWSHWRS C C L L C C C  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 12 36 19 33 7 21 2 22  
TEMP 20 13 29 34 24 20 29 30 15 8 17 19 8 3 16 20  
DEWPT 10 7 16 18 15 15 18 17 8 5 10 9 3 1 8 8  
PWIND DIR NE SE NE N N N N SW  
WIND CHAR LT LT LT LT GN LT LT LT  
AVG CLOUDS BK SC SC SC SC BK BK OV OV OV BK SC SC BK SC SC  
POP 12HR 30 5 30 70 80 40 30 20  
SNOWSHWRS C C C L D L C C C C S  
 

 
 
WYZ005-202300-  
THERMOPOLIS-HOT SPRINGS WY  
43.66N 108.21W ELEV. 4592 FT  
1034 AM MDT TUE OCT 20 2020  
 
DATE TUE 10/20/20 WED 10/21/20 THU 10/22/20  
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 49 29 63 25 31  
TEMP 47 47 46 39 37 34 32 36 52 62 59 42 37 31 28 26 29 31 29  
DEWPT 35 32 30 29 28 28 27 29 31 32 33 28 25 22 21 20 17 15 14  
RH 63 56 53 67 70 78 81 75 44 32 37 57 61 69 75 78 60 51 53  
WIND DIR N E NE E S S SW SE E W W NW NW N N N N N N  
WIND SPD 8 4 4 3 2 5 2 4 5 6 6 6 8 9 12 13 17 16 13  
WIND GUST 16 26 24  
CLOUDS BK SC SC SC FW FW SC SC FW FW SC SC OV OV OV OV OV BK BK  
POP 12HR 5 0 10 60 70  
QPF 12HR 0 0 0 0.11 0.14  
SNOW 12HR 00-00 00-00 00-00 1 2  
RAIN SHWRS S S  
SNOWSHWRS S L L L L C C C  
WIND CHILL 17 15 18 20 18  
MIN CHILL 28 29 30 16 13 17  
 
DATE FRI 10/23/20 SAT 10/24/20 SUN 10/25/20 MON 10/26/20  
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 10 31 16 30 6 21 0 23  
TEMP 17 11 25 30 21 17 26 28 13 8 16 19 7 1 16 21  
DEWPT 9 6 14 15 12 11 16 17 6 2 6 7 -1 -5 5 7  
PWIND DIR N SE NE N N N NW S  
WIND CHAR LT LT LT GN GN GN LT LT  
AVG CLOUDS BK SC SC SC BK BK BK OV OV OV BK SC SC SC SC SC  
POP 12HR 30 10 40 70 80 40 30 10  
SNOWSHWRS C S C L L D L C C C C  
 

 
 
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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