375  
FOUS55 KRIW 251250  
PFMRIW  
FOUS55 KRIW 251250  
PFMRIW  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE RIVERTON WY  
650 AM MDT MON OCT 25 2021  
 
WYZ020-252300-  
CASPER-NATRONA WY  
42.91N 106.46W ELEV. 5530 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 68 44 50 32 53  
TEMP 50 62 67 59 50 52 46 45 45 49 50 44 37 38 34 32 37 48 52 45  
DEWPT 33 34 31 39 39 39 37 37 34 33 31 32 31 32 31 28 28 29 24 28  
RH 52 35 26 47 66 61 71 73 65 54 48 62 79 79 89 85 70 47 33 51  
WIND DIR SW SW SW SW S S S W W NW N W W W SW SW SW W W W  
WIND SPD 24 32 32 19 11 14 18 16 17 16 11 12 11 13 14 14 18 25 24 19  
WIND GUST 43 51 48 29 21 26 24 26 24 25 34 34 29  
CLOUDS SC SC FW FW SC SC SC BK BK OV OV SC FW CL CL CL CL CL FW FW  
POP 12HR 0 40 70 0 0  
QPF 12HR 0 0 0.15 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C L C  
HIGH WIND W W W W  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 56 36 62 39 56 31 38  
TEMP 38 30 50 49 43 36 56 54 47 39 52 47 40 32 36 34  
DEWPT 27 22 30 34 34 29 34 35 34 29 31 33 32 27 23 23  
PWIND DIR W W SW SW SW W NE NE  
WIND CHAR GN BZ GN BZ GN BZ GN GN  
AVG CLOUDS FW FW FW CL CL FW FW CL FW FW FW SC BK BK BK BK  
POP 12HR 0 0 0 0 0 10 20 20  
RAIN SHWRS S S  
SNOWSHWRS S S  
 

 
 
WYZ017-252300-  
RIVERTON-FREMONT WY  
43.06N 108.46W ELEV. 5525 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 66 43 47 32 54  
TEMP 45 58 66 61 53 49 46 43 44 46 47 44 38 36 34 32 36 47 54 49  
DEWPT 37 39 37 40 39 42 41 39 38 33 29 27 24 24 23 21 23 26 25 27  
RH 73 49 34 46 59 77 83 86 79 60 49 51 57 61 64 63 59 43 32 42  
WIND DIR S S SW S SW S S NW N N N W W SW SW SW SW W W W  
WIND SPD 10 18 19 18 19 10 9 13 12 21 8 13 12 12 12 12 10 14 19 16  
WIND GUST 29 29 27 29 20 19 32 27 23  
CLOUDS SC FW SC SC BK BK OV OV OV BK SC FW CL FW FW SC SC FW FW FW  
POP 12HR 5 50 50 5 10  
QPF 12HR 0 0.03 0.08 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S C C C C C S  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 56 35 60 37 56 32 40  
TEMP 38 32 48 52 41 35 52 55 43 37 50 51 39 32 37 37  
DEWPT 31 27 32 34 36 32 38 37 32 27 31 32 33 28 26 24  
PWIND DIR W SW SW SW SW NW NE NE  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS CL FW FW FW FW FW FW FW FW FW SC SC SC BK BK SC  
POP 12HR 0 0 0 0 5 10 20 10  
RAIN SHWRS S S  
SNOWSHWRS S  
 

 
 
WYZ018-252300-  
LANDER-FREMONT WY  
42.82N 108.73W ELEV. 5586 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 66 41 45 30 52  
TEMP 44 59 65 61 52 49 44 42 42 44 45 42 37 35 32 30 34 46 51 48  
DEWPT 38 40 37 42 39 39 37 37 36 30 26 26 23 24 22 20 23 25 25 29  
RH 79 49 35 49 61 68 76 82 79 57 47 53 56 64 66 66 64 43 36 47  
WIND DIR NE SE SW S SW SW SW S NW N NW W W W SW SW SW W W W  
WIND SPD 11 27 28 17 21 23 16 5 4 6 9 11 12 9 9 8 8 11 17 14  
WIND GUST 24 55 49 26 33 34 25 25 23  
CLOUDS SC FW SC SC BK OV OV OV OV BK BK FW FW SC SC SC SC SC SC FW  
POP 12HR 10 50 50 10 20  
QPF 12HR 0 0.07 0.11 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C  
SNOWSHWRS S S  
HIGH WIND W W W W  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 56 34 60 37 56 31 40  
TEMP 38 31 49 52 41 34 53 56 44 38 51 51 39 32 38 37  
DEWPT 28 26 33 36 33 29 38 40 33 29 32 34 31 29 26 25  
PWIND DIR W W W SW SW W NW NE  
WIND CHAR GN LT LT LT GN LT LT LT  
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC BK BK BK SC  
POP 12HR 0 0 0 0 5 10 20 20  
RAIN SHWRS S S S  
SNOWSHWRS S S S  
 

 
 
WYZ028-252300-  
ROCK SPRINGS-SWEETWATER WY  
41.61N 109.07W ELEV. 6760 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 61 36 41 30 44  
TEMP 48 56 61 57 50 36 37 37 38 40 41 39 36 30 34 33 34 40 44 42  
DEWPT 34 32 30 33 35 29 31 32 32 26 23 24 25 23 28 27 27 26 26 27  
RH 58 40 31 40 56 75 79 82 79 57 48 54 64 75 78 78 75 57 49 55  
WIND DIR S S S S S S SW W W W W W W W W W W W W W  
WIND SPD 20 25 25 23 23 28 20 14 20 25 24 24 19 19 18 19 21 28 31 26  
WIND GUST 34 37 37 34 34 43 31 23 31 37 35 33 26 29 44 36  
CLOUDS SC SC SC BK OV OV OV OV OV BK SC FW FW SC SC SC SC SC SC SC  
POP 12HR 0 90 50 0 0  
QPF 12HR 0 0.20 0.05 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S L D C  
SNOWSHWRS C C S  
WIND CHILL 23 26 29 28 25 17 23 21 22 29  
MIN CHILL 23 26 27 28 17 21 20 31  
HIGH WIND W W W W  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 50 33 56 34 56 33 47  
TEMP 32 35 45 47 33 37 50 52 34 38 50 52 33 36 43 44  
DEWPT 26 30 32 33 29 34 34 32 26 31 31 31 27 31 28 28  
PWIND DIR W W W SW SW W W NE  
WIND CHAR BZ BZ GN GN GN GN GN GN  
AVG CLOUDS SC SC SC SC FW SC SC CL FW FW FW FW SC SC BK SC  
POP 12HR 0 0 0 0 0 5 10 10  
 

 
 
WYZ026-252300-  
BIG PINEY-SUBLETTE WY  
42.58N 110.11W ELEV. 6990 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 33 40 25 43  
TEMP 38 49 56 52 40 36 35 33 34 38 40 37 30 28 26 25 28 38 43 40  
DEWPT 35 37 35 35 33 31 31 30 29 25 21 22 21 22 20 20 22 27 28 28  
RH 89 63 45 52 76 82 85 89 82 59 46 54 69 78 78 81 78 64 55 62  
WIND DIR E S S S S S NW NW NW NW NW W W W W W W W W W  
WIND SPD 6 19 19 18 19 16 9 13 12 20 19 18 11 9 8 9 12 18 18 18  
WIND GUST 29 29 27 29 24 20 19 31 29 26 25 26 27  
CLOUDS BK BK BK OV OV OV OV OV BK SC SC SC SC BK BK BK BK BK SC SC  
POP 12HR 40 80 20 40 50  
QPF 12HR 0.01 0.17 0.01 0.01 0.01  
SNOW 12HR 00-00 T 00-00 00-00 00-00  
RAIN SHWRS C S C L D L  
SNOWSHWRS L S S S S S S C C C C S S  
WIND CHILL 17  
MIN CHILL 26 23 23 27 19 16 14 31  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 25 48 25 53 26 52 25 45  
TEMP 28 25 41 44 29 25 45 48 31 26 44 47 30 25 39 41  
DEWPT 25 24 32 33 27 24 34 34 28 24 31 32 27 24 29 29  
PWIND DIR NW NW NW SW W W NW S  
WIND CHAR GN GN GN LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC  
POP 12HR 10 10 0 0 10 20 20 20  
RAIN SHWRS S S S  
SNOWSHWRS S S  
 

 
 
WYZ025-252300-  
PINEDALE-SUBLETTE WY  
42.80N 109.81W ELEV. 7086 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 32 39 27 40  
TEMP 38 50 55 50 40 35 34 34 33 37 39 36 31 29 28 28 30 37 40 37  
DEWPT 35 36 35 36 35 33 31 32 30 24 21 23 24 25 24 24 25 26 26 27  
RH 89 58 47 58 82 92 89 92 89 59 48 59 75 85 85 85 81 64 57 67  
WIND DIR SE S S S S S NW NW NW NW NW NW NW NW W W W W W W  
WIND SPD 10 13 19 16 18 16 13 12 13 20 20 16 10 9 9 10 12 16 20 19  
WIND GUST 21 26 24 27 24 20 19 21 31 31 23 28 28  
CLOUDS OV BK OV OV OV OV OV OV BK BK SC SC SC BK BK BK OV BK BK SC  
POP 12HR 50 80 30 40 50  
QPF 12HR 0.01 0.25 0.02 0.01 0.04  
SNOW 12HR 00-00 T T 00-00 T  
RAIN SHWRS S C C C D D L  
SNOWSHWRS L C C C C S S C C C C C C  
WIND CHILL 26  
MIN CHILL 31 25 24 22 26 20 19 17 27  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 27 46 27 51 28 49 27 42  
TEMP 29 28 42 42 30 28 45 46 32 30 44 44 30 28 39 38  
DEWPT 27 26 31 32 29 27 32 34 30 28 30 31 29 27 29 28  
PWIND DIR NW NW NW W NW NW NW W  
WIND CHAR BZ GN GN LT LT GN LT LT  
AVG CLOUDS SC SC SC SC SC SC SC FW FW SC SC SC SC BK SC SC  
POP 12HR 10 10 0 0 10 20 20 20  
RAIN SHWRS S S S  
SNOWSHWRS S S  
 

 
 
WYZ013-252300-  
JACKSON-TETON WY  
43.60N 110.73W ELEV. 6451 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 32 40 29 42  
TEMP 39 46 51 47 39 35 34 33 33 37 40 38 33 31 30 29 31 37 42 39  
DEWPT 37 38 40 39 35 33 32 31 31 27 26 27 29 29 28 27 30 29 30 30  
RH 92 73 66 74 85 92 92 92 92 67 57 64 85 92 92 92 96 72 62 70  
WIND DIR SW S S S W S S S SW W SW SW SW SW SW SW SW SW W SW  
WIND SPD 14 21 20 19 9 8 6 12 9 10 14 14 12 13 14 18 18 19 19 18  
WIND GUST 21 32 28 23 21 26 26 26 28 28  
CLOUDS OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV OV OV OV BK BK  
POP 12HR 80 90 60 80 70  
QPF 12HR 0.25 0.52 0.06 0.08 0.07  
SNOW 12HR 00-00 1 T 1 T  
RAIN SHWRS D L L D D D C  
SNOWSHWRS D L L C L C L L D D L L C C  
WIND CHILL 19 17 19  
MIN CHILL 31 28 24 23 29 21 17 17 30  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 28 47 29 52 28 49 27 44  
TEMP 31 28 40 43 32 30 44 47 33 29 42 44 31 28 38 39  
DEWPT 30 27 32 34 31 29 33 35 31 27 31 33 30 28 28 28  
PWIND DIR SW SW S S S SW SW N  
WIND CHAR GN GN GN GN GN GN GN LT  
AVG CLOUDS BK BK BK BK BK BK SC FW SC SC SC BK BK SC SC SC  
POP 12HR 10 10 5 10 20 20 20 10  
RAIN SHWRS S S S S  
SNOWSHWRS S S S  
 

 
 
WYZ001-252300-  
LAKE YELLOWSTONE-TETON WY  
44.55N 110.42W ELEV. 7835 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 28 33 24 33  
TEMP 36 40 42 39 33 31 29 28 29 32 33 31 27 26 25 24 26 31 33 31  
DEWPT 36 37 38 36 31 29 27 27 27 26 25 24 24 23 23 22 24 24 25 24  
RH 100 89 86 89 92 92 92 96 92 78 72 75 88 88 92 92 92 75 72 75  
WIND DIR S S S S SW SW W W NW W W SW SW SW SW SW W W W W  
WIND SPD 24 24 20 19 8 8 8 11 11 11 13 13 11 12 14 13 17 19 19 17  
WIND GUST 36 36 29 21 19 25 27 29 28  
CLOUDS OV OV OV OV OV OV OV OV OV BK BK BK BK OV OV OV OV OV BK BK  
POP 12HR 90 100 70 60 60  
QPF 12HR 0.41 0.46 0.08 0.03 0.05  
SNOW 12HR T 2 1 T 1  
RAIN SHWRS L L D D D  
SNOWSHWRS L D L D L L L C C C L L L L C C  
WIND CHILL 24 15 13 12 13 19 21 20  
MIN CHILL 24 29 24 18 18 21 15 12 11 20  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 24 39 29 45 29 41 23 34  
TEMP 26 24 36 37 31 29 41 41 32 29 38 37 27 23 32 30  
DEWPT 25 24 30 31 30 29 33 33 30 28 32 31 26 23 24 21  
PWIND DIR W SW SW SW SW SW W N  
WIND CHAR GN GN GN GN GN GN LT LT  
AVG CLOUDS SC BK BK BK BK BK BK SC SC SC BK BK BK BK BK SC  
POP 12HR 10 20 10 10 30 30 20 10  
RAIN SHWRS S C C C S  
SNOWSHWRS S S C C C S S  
 

 
 
WYZ003-252300-  
CODY-PARK WY  
44.52N 109.02W ELEV. 5102 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 66 41 48 38 53  
TEMP 46 61 66 58 48 46 45 42 42 47 48 45 41 40 40 39 40 50 53 48  
DEWPT 34 37 40 45 41 40 38 37 37 27 23 24 23 22 22 21 23 23 25 29  
RH 63 41 38 62 77 79 76 82 82 45 37 43 48 48 48 48 50 34 33 47  
WIND DIR S S S SW S SW N NW N N W W W W W SW SW W W W  
WIND SPD 6 17 13 8 9 9 10 9 14 13 10 14 16 18 17 14 16 19 23 19  
WIND GUST 26 20 23 20 26 25 28 25 23 26 33 29  
CLOUDS BK BK SC BK SC OV OV OV OV BK SC FW FW SC SC SC SC SC SC FW  
POP 12HR 5 50 40 20 30  
QPF 12HR 0 0.06 0.06 0 0.01  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C C C C C S S S C C  
SNOWSHWRS S S C C  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 37 58 41 63 40 53 30 36  
TEMP 41 38 54 52 45 42 59 55 45 41 50 45 35 31 35 33  
DEWPT 27 25 30 33 31 28 32 31 26 23 27 31 27 24 18 20  
PWIND DIR W SW SW SW SW NW N N  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS FW FW SC SC FW SC SC SC SC SC SC SC BK BK BK BK  
POP 12HR 5 10 5 10 20 20 20 10  
RAIN SHWRS S S S S S  
SNOWSHWRS S S  
 

 
 
WYZ004-252300-  
GREYBULL-BIG HORN WY  
44.52N 108.08W ELEV. 3939 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 69 43 51 31 58  
TEMP 46 60 68 65 56 50 47 43 44 48 51 48 41 37 34 31 35 49 57 53  
DEWPT 39 40 39 40 41 41 41 39 39 33 29 27 25 23 22 20 23 27 27 28  
RH 76 47 34 40 57 71 79 86 82 56 42 44 52 56 61 63 61 42 31 38  
WIND DIR W SE S SE S SE NW NW NW NW N W SE SE SE SE SE S W NW  
WIND SPD 10 20 19 16 14 12 10 19 24 20 12 9 9 6 6 5 6 10 16 14  
WIND GUST 31 29 24 23 19 29 36 31 23 21  
CLOUDS BK BK BK BK OV OV OV OV OV OV SC FW FW CL FW SC SC SC SC FW  
POP 12HR 5 60 60 0 10  
QPF 12HR 0 0.07 0.12 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C L L C C S  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 57 34 63 35 56 30 40  
TEMP 38 31 48 53 40 34 53 58 43 35 49 52 37 30 37 38  
DEWPT 27 24 30 31 31 30 37 36 30 26 31 32 29 26 24 21  
PWIND DIR NW S SE SE S W NW NW  
WIND CHAR GN LT LT GN LT GN GN GN  
AVG CLOUDS FW FW SC FW FW FW FW FW SC SC SC SC BK BK BK SC  
POP 12HR 0 0 0 5 20 20 20 10  
RAIN SHWRS S S S S S  
SNOWSHWRS S  
 

 
 
WYZ006-252300-  
WORLAND-WASHAKIE WY  
43.97N 107.95W ELEV. 4227 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 69 42 49 30 57  
TEMP 47 60 69 63 53 49 45 43 43 47 49 45 37 35 32 31 35 48 57 51  
DEWPT 40 40 38 41 42 40 39 38 38 33 29 27 24 23 22 20 24 27 27 31  
RH 76 47 32 44 66 71 79 82 82 58 46 49 59 61 66 63 64 44 31 46  
WIND DIR SE S S S S S SW NW NW NW N W S S S S S W NW NW  
WIND SPD 12 13 16 11 14 9 5 16 18 18 8 8 9 6 6 6 5 10 13 11  
WIND GUST 19 20 24 23 24 27 27  
CLOUDS BK SC BK SC BK BK OV OV OV OV BK FW CL CL FW FW FW FW FW FW  
POP 12HR 0 60 60 0 10  
QPF 12HR 0 0.03 0.09 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C L C C S  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 56 33 63 34 57 30 40  
TEMP 37 31 48 51 39 34 53 56 42 35 50 51 37 31 37 37  
DEWPT 29 27 32 33 32 30 38 38 32 27 33 34 30 27 26 25  
PWIND DIR W SE SE S S W NW NW  
WIND CHAR GN LT LT LT LT GN GN GN  
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC BK BK BK BK  
POP 12HR 0 0 0 0 10 20 20 10  
RAIN SHWRS S S S S  
SNOWSHWRS S  
 

 
 
WYZ005-252300-  
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY  
43.71N 108.39W ELEV. 4902 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 66 40 47 30 55  
TEMP 48 61 66 60 50 48 45 41 42 46 47 43 36 36 33 31 37 50 55 49  
DEWPT 39 39 38 41 41 40 39 37 37 32 28 27 25 25 23 22 26 28 27 29  
RH 71 44 36 49 71 74 79 85 82 58 47 53 64 64 66 69 64 42 34 46  
WIND DIR SE S S S SW S N N N N N W SW SW SW SW SW W NW NW  
WIND SPD 13 19 17 19 18 14 8 9 12 12 4 10 9 8 6 8 9 13 16 12  
WIND GUST 28 27 29 27 21 19  
CLOUDS BK SC SC SC BK BK OV OV OV OV BK FW CL CL FW SC SC FW FW FW  
POP 12HR 0 60 60 0 10  
QPF 12HR 0 0.04 0.15 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C L C C C  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 55 33 62 36 55 29 38  
TEMP 37 30 50 50 40 34 56 56 44 37 51 49 37 30 36 35  
DEWPT 28 24 32 33 32 29 38 36 30 25 31 32 28 24 22 22  
PWIND DIR W S S S SW NW N N  
WIND CHAR GN GN LT GN GN GN GN GN  
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC SC BK BK SC  
POP 12HR 0 0 0 0 10 20 20 20  
RAIN SHWRS S S S S  
SNOWSHWRS S S S  
 

 
 
WYZ010-252300-  
BUFFALO-JOHNSON WY  
44.38N 106.72W ELEV. 4968 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 73 41 43 34 53  
TEMP 51 69 73 62 55 50 45 41 41 43 43 40 38 37 35 34 38 50 53 47  
DEWPT 35 40 37 49 41 39 37 36 35 31 28 28 26 25 24 23 25 26 24 28  
RH 54 35 27 62 59 66 73 82 79 62 55 62 62 61 64 64 59 39 32 47  
WIND DIR SW S S S S S SE N N N N SW W W W W W NW NW NW  
WIND SPD 18 24 18 14 17 17 10 14 24 28 19 12 11 11 10 11 11 20 19 17  
WIND GUST 27 36 27 23 26 26 23 36 43 29 28 28 25  
CLOUDS BK BK SC SC SC BK BK OV OV OV OV SC FW FW FW FW FW FW FW SC  
POP 12HR 0 60 70 0 10  
QPF 12HR 0 0.02 0.18 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S C L L L C  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 50 39 65 39 53 28 35  
TEMP 41 35 48 46 43 39 61 56 47 39 51 44 36 28 34 31  
DEWPT 24 20 25 29 27 25 36 34 27 21 29 33 27 23 20 21  
PWIND DIR NW SW SW SW W NW NW N  
WIND CHAR BZ GN GN GN GN GN GN GN  
AVG CLOUDS SC FW FW FW FW FW FW FW FW SC SC BK BK BK BK BK  
POP 12HR 0 0 0 0 10 20 30 10  
RAIN SHWRS S S S  
SNOWSHWRS S C  
 

 
 
WYZ012-252300-  
RENDEZVOUS MOUNTAIN-TETON WY  
43.59N 110.89W ELEV. 10318 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 24 24 20 26  
TEMP 31 36 37 34 29 27 26 25 24 24 24 23 22 21 21 20 21 24 25 25  
DEWPT 31 34 34 32 27 26 25 24 23 22 21 21 20 20 20 18 20 21 21 22  
RH 100 92 89 92 92 96 96 96 96 92 88 92 92 96 96 92 96 88 84 88  
WIND DIR S S S SW NW W W W W W W W W SW SW SW W W W W  
WIND SPD 19 19 18 16 11 9 11 24 14 17 14 16 19 18 20 24 23 20 19 19  
WIND GUST 29 29 27 24 35 23 26 23 27 28 26 29 33 32 29 29 29  
CLOUDS OV OV OV OV OV OV OV OV OV BK BK OV OV OV OV OV OV OV BK BK  
POP 12HR 90 100 80 80 70  
QPF 12HR 0.49 0.74 0.20 0.20 0.17  
SNOW 12HR 2 8 2 2 2  
SNOWSHWRS D D D D D D D D L L L L L D D L L C C S  
WIND CHILL 19 25 15 10 11 10 11 10 7 6 5 3 5 9 11 11  
MIN CHILL 14 16 24 18 10 9 10 6 3 3 9  
WINTER WEATH Y Y Y Y Y Y  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 26 32 27 35 28 32 26 31  
TEMP 26 26 31 31 28 27 34 33 30 28 31 30 27 26 30 28  
DEWPT 26 25 26 27 28 25 28 27 28 24 25 24 26 23 24 22  
PWIND DIR SW SW S S S SW W NW  
WIND CHAR BZ GN GN GN GN GN GN GN  
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC SC BK BK SC SC SC  
POP 12HR 20 20 10 10 20 30 20 20  
SNOWSHWRS S S S S S C S S  
 

 
 
WYZ023-252300-  
AFTON-LINCOLN WY  
42.71N 110.94W ELEV. 6201 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 31 37 27 41  
TEMP 39 49 55 49 39 35 34 32 32 35 37 35 30 29 28 27 29 37 41 37  
DEWPT 36 39 40 39 35 33 32 31 30 29 28 28 28 28 27 27 28 31 32 30  
RH 89 68 57 68 85 92 92 96 92 78 70 75 92 96 96100 96 79 70 75  
WIND DIR S S SW S S NE E NW W W W W SW W W W W W W W  
WIND SPD 19 23 20 23 13 6 4 6 8 11 12 12 10 10 11 11 14 17 16 14  
WIND GUST 29 34 31 34 20 19 25 23 23  
CLOUDS OV OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV OV OV BK BK  
POP 12HR 70 100 60 60 60  
QPF 12HR 0.07 0.58 0.07 0.07 0.04  
SNOW 12HR 00-00 T T 1 T  
RAIN SHWRS S C C D D D D C C  
SNOWSHWRS D L C L C C C L L L L C  
WIND CHILL 18  
MIN CHILL 29 29 26 24 26 20 17 16 28  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 26 47 27 55 27 53 26 48  
TEMP 29 27 40 42 31 28 46 48 32 28 45 47 31 27 41 42  
DEWPT 28 27 33 35 30 28 36 37 30 28 34 36 30 27 31 31  
PWIND DIR W W S S S SW SW S  
WIND CHAR GN LT LT LT LT LT LT LT  
AVG CLOUDS BK BK OV BK BK SC SC FW FW SC SC SC BK BK BK SC  
POP 12HR 10 10 0 0 10 20 10 10  
RAIN SHWRS S  
 

 
 
WYZ004-252300-  
POWELL-PARK WY  
44.87N 108.79W ELEV. 5092 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 63 40 50 36 52  
TEMP 47 57 63 56 50 47 44 42 41 47 50 46 42 41 39 37 38 47 52 46  
DEWPT 34 36 33 36 35 35 35 35 34 31 23 21 21 22 21 20 21 23 21 20  
RH 60 45 32 47 56 63 70 76 76 53 34 37 43 46 48 50 50 38 29 35  
WIND DIR SE SE S S S N NW N N N W W SW SW S S S W W NW  
WIND SPD 14 17 18 16 9 19 21 18 27 19 6 13 13 14 14 12 12 18 20 18  
WIND GUST 23 26 27 24 29 32 27 41 29 20 25 29 26  
CLOUDS BK SC BK BK BK OV OV OV OV BK SC FW FW FW FW SC SC FW SC FW  
POP 12HR 5 60 40 5 20  
QPF 12HR 0 0.08 0.07 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C L C C S  
SNOWSHWRS S S  
WIND CHILL 30  
MIN CHILL 29 29 28  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 53 37 59 37 51 28 36  
TEMP 40 36 47 48 42 38 51 52 44 39 46 44 35 30 33 33  
DEWPT 20 20 25 24 24 23 30 27 23 20 24 25 23 22 19 15  
PWIND DIR NW S SE SE S N N NW  
WIND CHAR GN GN GN BZ GN BZ BZ GN  
AVG CLOUDS FW FW SC FW FW SC SC FW SC SC BK SC BK BK BK SC  
POP 12HR 0 10 5 10 20 20 20 10  
RAIN SHWRS S S S S S  
SNOWSHWRS S S  
 

 
 
WYZ004-252300-  
COWLEY-BIG HORN WY  
44.91N 108.45W ELEV. 4090 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 67 42 53 35 56  
TEMP 48 59 66 63 53 49 44 42 44 49 53 50 43 40 37 35 38 49 55 52  
DEWPT 39 41 40 40 41 40 39 38 39 34 30 27 26 25 24 23 26 27 26 26  
RH 71 51 38 43 64 71 82 86 82 56 41 41 51 55 59 61 62 42 32 36  
WIND DIR NE S S S S SW N NW NW N W SW S S S S S SW W NW  
WIND SPD 8 17 16 10 11 5 13 13 21 14 9 11 10 10 11 11 11 13 17 16  
WIND GUST 25 24 18 21 24 34 23 27 23  
CLOUDS BK BK BK OV BK OV OV OV OV BK SC FW CL CL FW SC SC FW SC SC  
POP 12HR 5 60 50 0 10  
QPF 12HR 0 0.09 0.12 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C L C C S S  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 56 36 62 37 55 31 39  
TEMP 40 34 48 52 41 36 53 58 44 37 49 50 37 31 36 37  
DEWPT 25 23 28 28 30 29 37 36 28 23 28 28 27 25 21 17  
PWIND DIR NW S SE SE S N N N  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS FW FW SC SC FW FW SC FW SC SC BK SC BK BK BK SC  
POP 12HR 0 0 0 5 20 20 20 10  
RAIN SHWRS S S S  
SNOWSHWRS S S  
 

 
 
WYZ016-252300-  
DUBOIS-FREMONT WY  
43.55N 109.69W ELEV. 7291 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 34 36 28 38  
TEMP 40 49 51 46 39 36 35 34 34 36 36 34 30 29 29 28 30 37 38 36  
DEWPT 34 37 38 35 32 31 31 30 28 22 21 20 22 21 22 21 22 23 23 23  
RH 79 63 61 65 76 82 85 85 78 56 54 56 72 72 75 75 72 56 54 59  
WIND DIR W SW SW SW SW W W W NW W W W W W W W W W W W  
WIND SPD 17 27 14 11 11 9 14 14 28 28 20 21 19 20 21 23 24 26 26 25  
WIND GUST 26 41 23 23 23 43 43 31 32 27 29 31 32 33 36 39 39  
CLOUDS BK BK BK OV OV OV OV BK BK BK SC SC SC BK BK BK BK BK BK SC  
POP 12HR 60 90 40 50 60  
QPF 12HR 0.07 0.36 0.03 0.02 0.05  
SNOW 12HR 00-00 T T T T  
RAIN SHWRS C C L D D L  
SNOWSHWRS D C C C C C C C C L L C C  
WIND CHILL 21 23 25 22 17 16 16 14 16 25 26 24  
MIN CHILL 31 29 24 21 22 16 14 14 24  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 33 53 33 48 29 37  
TEMP 31 30 44 42 35 33 51 47 37 34 46 42 32 29 36 33  
DEWPT 24 24 30 30 29 28 35 32 28 27 30 29 27 26 24 22  
PWIND DIR W W W W W W W SE  
WIND CHAR WY BZ GN BZ GN BZ GN GN  
AVG CLOUDS SC SC SC SC SC SC SC FW SC SC SC SC BK BK BK SC  
POP 12HR 10 10 5 10 20 30 20 20  
RAIN SHWRS S S C S  
SNOWSHWRS S S S S S  
 

 
 
WYZ027-252300-  
KEMMERER-LINCOLN WY  
41.83N 110.56W ELEV. 7285 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 32 36 29 41  
TEMP 40 52 56 53 42 37 34 33 33 35 36 35 32 31 30 29 31 38 40 39  
DEWPT 34 34 32 34 34 32 30 30 29 25 23 24 27 28 28 27 29 29 28 29  
RH 79 50 40 48 73 82 85 89 85 66 59 64 81 88 92 92 92 70 62 67  
WIND DIR SE S SW S SW SW W W W W W W W W W W W W W W  
WIND SPD 11 24 23 17 18 18 16 20 23 25 21 20 14 16 18 19 21 23 24 20  
WIND GUST 42 34 25 27 26 25 31 34 36 33 28 21 23 25 26 29 32 33 28  
CLOUDS BK SC SC OV OV OV OV OV BK SC SC SC SC SC BK SC BK BK SC SC  
POP 12HR 50 90 30 30 40  
QPF 12HR 0.01 0.22 0 0.01 0.01  
SNOW 12HR 00-00 T 00-00 00-00 00-00  
RAIN SHWRS S C L D D S  
SNOWSHWRS L C C S S C C C C S S  
WIND CHILL 21 21 23 25 24 20 18 16 18 27  
MIN CHILL 27 21 19 23 20 16 16 28  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 30 54 31 53 30 49  
TEMP 33 32 43 44 34 31 48 50 36 32 47 49 35 31 44 45  
DEWPT 30 30 34 34 32 29 34 34 33 30 33 34 32 29 32 32  
PWIND DIR W W W W W W W W  
WIND CHAR BZ BZ GN LT GN GN GN LT  
AVG CLOUDS SC SC SC SC SC SC SC CL FW FW SC SC SC SC SC SC  
POP 12HR 0 0 0 0 0 10 10 10  
 

 
 
WYZ023-252300-  
ALPINE-LINCOLN WY  
43.18N 111.04W ELEV. 5634 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 34 41 34 42  
TEMP 42 51 56 53 43 38 36 34 35 39 41 40 37 35 35 34 35 39 42 41  
DEWPT 41 42 42 42 38 36 34 32 33 31 31 32 33 34 34 33 34 34 35 35  
RH 96 71 59 66 82 92 92 92 92 73 67 73 85 96 96 96 96 82 76 79  
WIND DIR SE S S S NW SW SW W W W W W SW SW SW SW SW W W W  
WIND SPD 12 17 16 14 9 4 4 11 10 11 13 14 12 13 13 14 18 18 18 17  
WIND GUST 19 26 24 23 25 25 27 26  
CLOUDS OV OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV OV OV BK BK  
POP 12HR 70 90 60 70 60  
QPF 12HR 0.14 0.56 0.10 0.11 0.07  
SNOW 12HR 00-00 00-00 T T 00-00  
RAIN SHWRS C C C D D D L L C C C C L L L L C C  
SNOWSHWRS L L C L C C C L L L L  
WIND CHILL 24  
MIN CHILL 26 26 26 24 23  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 46 33 52 33 50 32 45  
TEMP 34 32 42 44 36 33 46 50 37 33 45 48 36 32 41 43  
DEWPT 33 31 37 39 35 32 39 41 35 32 36 38 35 31 34 35  
PWIND DIR SW SW S S S SW S S  
WIND CHAR GN GN GN GN GN GN LT LT  
AVG CLOUDS BK BK BK BK BK BK SC FW FW SC SC SC BK BK SC SC  
POP 12HR 10 10 0 5 20 20 20 10  
RAIN SHWRS S S S S  
 

 
 
WYZ023-252300-  
COKEVILLE-LINCOLN WY  
42.05N 110.97W ELEV. 6270 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 31 40 26 43  
TEMP 38 53 60 55 41 35 33 32 32 38 40 38 31 28 27 26 28 38 43 40  
DEWPT 36 40 40 42 37 33 31 30 29 29 27 29 28 26 26 25 26 30 32 33  
RH 92 61 47 61 85 92 92 92 88 70 59 70 88 92 96 96 92 73 65 76  
WIND DIR SE S SW S S NW NW NW NW NW NW W W W W W W W W W  
WIND SPD 11 27 25 19 19 14 9 14 13 19 18 16 11 10 10 11 14 18 19 16  
WIND GUST 40 36 28 29 21 23 21 29 27 26 27 23  
CLOUDS BK BK OV OV OV OV OV OV BK BK BK BK BK BK OV BK OV BK BK BK  
POP 12HR 60 90 30 50 50  
QPF 12HR 0.02 0.34 0.01 0.01 0.04  
SNOW 12HR 00-00 T 00-00 00-00 T  
RAIN SHWRS S C C L D D L S S  
SNOWSHWRS L C C C C C C C C C C S  
WIND CHILL 15 16  
MIN CHILL 31 25 22 20 29 19 15 14 31  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 28 49 26 56 27 55 26 51  
TEMP 31 28 43 45 30 27 48 51 32 28 47 50 31 27 44 46  
DEWPT 29 27 35 37 29 26 36 40 30 27 35 39 29 26 33 35  
PWIND DIR W W NW S SW N N S  
WIND CHAR GN GN LT LT LT LT LT LT  
AVG CLOUDS SC BK BK SC SC SC SC CL FW FW SC SC SC SC SC SC  
POP 12HR 10 10 0 0 10 20 10 10  
RAIN SHWRS S  
 

 
 
WYZ028-252300-  
GREEN RIVER-SWEETWATER WY  
41.46N 109.49W ELEV. 7182 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 63 36 42 31 46  
TEMP 45 57 63 60 49 43 39 36 37 40 42 41 36 34 32 31 33 42 46 45  
DEWPT 35 34 31 33 35 37 35 33 32 27 24 25 26 28 27 26 27 28 28 29  
RH 68 42 30 36 58 79 85 89 82 59 48 52 67 78 81 81 78 57 49 53  
WIND DIR SE S S S S S W W W W W W W W W W W W W W  
WIND SPD 18 20 20 19 17 21 20 14 21 24 23 21 14 16 14 19 20 23 25 21  
WIND GUST 31 31 29 26 33 31 23 33 36 34 28 26 28 32 36 32  
CLOUDS SC BK BK OV OV OV OV OV OV BK SC FW FW SC SC SC SC SC SC SC  
POP 12HR 5 90 50 0 10  
QPF 12HR 0 0.26 0.05 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S L D C C S  
SNOWSHWRS C C S  
WIND CHILL 26 19 21  
MIN CHILL 27 25 31 24 19 18  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 53 32 57 33 58 32 51  
TEMP 37 34 48 51 38 32 50 54 40 33 51 55 39 32 46 49  
DEWPT 33 32 36 37 36 32 36 35 36 31 34 35 35 30 32 32  
PWIND DIR W W W SW SW SW W E  
WIND CHAR BZ BZ GN LT LT GN LT LT  
AVG CLOUDS SC SC SC SC FW FW SC FW FW FW FW SC SC SC SC SC  
POP 12HR 0 0 0 0 0 10 10 10  
 

 
 
WYZ017-252300-  
SHOSHONI-FREMONT WY  
43.25N 108.12W ELEV. 4817 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 68 42 48 32 55  
TEMP 46 59 67 64 54 50 46 43 43 46 48 45 40 37 34 32 36 47 54 51  
DEWPT 38 41 41 42 43 42 41 39 38 35 33 31 30 29 27 25 28 30 30 30  
RH 73 51 39 45 66 74 83 86 82 65 56 58 67 72 75 75 72 51 40 44  
WIND DIR E S S S SW E E NW NW N N W W W SW SW SW W W W  
WIND SPD 13 20 20 14 13 5 6 12 12 17 8 10 10 10 10 10 9 14 18 17  
WIND GUST 20 31 31 23 20 19 25 28 27  
CLOUDS BK SC SC SC BK BK BK OV OV OV BK FW CL CL CL FW FW FW FW CL  
POP 12HR 0 60 70 0 10  
QPF 12HR 0 0.02 0.11 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S C L L C C  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 57 34 61 36 57 32 41  
TEMP 38 32 48 53 41 35 52 57 44 37 50 53 40 33 38 39  
DEWPT 30 27 35 36 36 32 41 41 37 32 37 36 34 29 28 27  
PWIND DIR W SW S S SW E NE NE  
WIND CHAR GN LT LT GN GN LT GN LT  
AVG CLOUDS FW FW FW CL CL FW FW FW FW SC SC SC SC BK BK SC  
POP 12HR 0 0 0 0 5 10 20 10  
RAIN SHWRS S S  
SNOWSHWRS S  
 

 
 
WYZ005-252300-  
THERMOPOLIS-HOT SPRINGS WY  
43.66N 108.21W ELEV. 4592 FT  
650 AM MDT MON OCT 25 2021  
 
DATE MON 10/25/21 TUE 10/26/21 WED 10/27/21  
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 69 42 48 32 57  
TEMP 49 63 69 64 55 51 47 43 43 46 48 45 40 38 35 33 37 51 57 52  
DEWPT 39 43 41 43 43 41 40 38 37 33 30 29 27 27 24 24 26 30 29 30  
RH 68 48 36 46 64 68 76 82 79 60 49 53 59 64 64 69 64 44 34 43  
WIND DIR S S S S NE S N NW NW N N W SW SW SW SW SW W W NW  
WIND SPD 12 19 19 18 21 18 6 5 11 12 5 11 9 6 6 6 8 13 16 12  
WIND GUST 19 28 28 27 33 27 18 19  
CLOUDS BK SC SC SC BK BK OV OV OV OV BK FW CL CL FW SC SC FW FW FW  
POP 12HR 0 60 70 0 10  
QPF 12HR 0 0.04 0.16 0 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C L C C C  
 
DATE THU 10/28/21 FRI 10/29/21 SAT 10/30/21 SUN 10/31/21  
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 56 35 63 38 58 32 40  
TEMP 41 33 50 52 43 36 56 59 47 39 53 53 41 33 38 38  
DEWPT 29 26 33 34 34 31 40 38 33 28 34 35 31 27 25 24  
PWIND DIR W S S S SW W N N  
WIND CHAR GN LT LT GN GN GN GN GN  
AVG CLOUDS FW FW FW CL FW FW FW FW FW SC SC SC BK BK BK SC  
POP 12HR 0 0 0 0 10 20 20 20  
RAIN SHWRS S S S S  
SNOWSHWRS 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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