735  
FOUS55 KRIW 171831  
PFMRIW  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE RIVERTON WY  
1231 PM MDT THU SEP 17 2026  
 
WYZ020-172200-  
CASPER-NATRONA WY  
42.91N 106.46W ELEV. 5530 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 48 80 48 73  
TEMP 63 65 55 53 52 51 61 75 79 74 60 55 53 50 54 63 68 71  
DEWPT 55 54 55 53 52 48 50 55 53 52 53 53 53 50 50 50 48 50  
RH 75 68100100100 89 67 50 41 46 78 93100100 86 62 49 47  
WIND DIR E S SE SW SW SW SW SW SW SW SW SW W SW SW SW SW SW  
WIND SPD 5 4 4 6 11 11 12 12 9 8 6 4 5 4 5 10 10 9  
WIND GUST 14 12 18 19 20 19 16 17 21 17  
CLOUDS OV BK SC FW SC SC FW SC BK BK BK BK BK SC SC SC SC SC  
POP 12HR 80 5 20 80 30  
QPF 12HR 0.09 0.01 0.01 0.08 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C S C L C S S C C L  
TSTMS S S C S S S S  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 42 66 39 74 42 78 44 79  
TEMP 51 43 60 63 48 43 65 71 51 44 70 74 54 46 71 75  
DEWPT 49 43 46 46 47 42 44 42 42 39 40 40 42 40 40 39  
PWIND DIR NW W NW SW SE SW SW SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS SC BK BK SC SC SC SC FW FW FW SC FW SC SC FW FW  
POP 12HR 60 60 20 0 0 0 20 5  
RAIN SHWRS L C C L S S  
TSTMS S S S S S S  
 
 
 
WYZ017-172200-  
RIVERTON-FREMONT WY  
43.06N 108.46W ELEV. 5525 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 72 51 78 52 69  
TEMP 70 69 61 58 54 52 60 73 78 72 61 58 56 54 55 62 67 64  
DEWPT 48 50 52 51 49 46 48 52 47 52 52 52 52 51 51 53 47 48  
RH 45 51 72 77 83 80 64 48 33 49 72 80 86 90 86 72 49 56  
WIND DIR SE N SW W W W W NE SE SW S NW NW W W NE NE W  
WIND SPD 6 6 4 4 5 4 3 4 5 11 9 6 5 4 5 3 5 10  
WIND GUST 12 18 12  
CLOUDS BK SC SC FW SC SC FW SC SC BK BK BK SC SC SC FW FW SC  
POP 12HR 30 30 50 80 50  
QPF 12HR 0.01 0.03 0.07 0.08 0.06  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C S C D C C C C C C D  
TSTMS S S S C S S S S S  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 46 64 45 72 47 76 48 78  
TEMP 54 46 56 64 54 45 63 70 56 48 67 73 57 48 69 75  
DEWPT 48 44 48 46 46 43 47 43 41 38 42 38 39 37 40 36  
PWIND DIR NW N N N NW S SW NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK BK BK SC SC SC FW FW FW FW SC SC SC FW FW CL  
POP 12HR 80 50 10 0 5 0 20 5  
RAIN SHWRS D D C C S  
TSTMS S S S S S  
 
 
 
WYZ018-172200-  
LANDER-FREMONT WY  
42.82N 108.73W ELEV. 5586 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 71 52 78 50 70  
TEMP 69 69 61 58 55 54 60 74 77 72 60 59 55 52 52 62 68 65  
DEWPT 45 50 53 49 47 44 48 51 47 52 51 50 49 47 50 50 46 46  
RH 42 51 75 72 74 69 64 44 35 49 72 72 80 83 93 65 45 50  
WIND DIR E N SW SW SW SW N E E S S W N N N E SW W  
WIND SPD 4 5 5 5 4 3 0 4 5 6 6 3 0 0 0 4 4 6  
WIND GUST 11 11  
CLOUDS BK SC SC SC SC SC SC SC SC OV OV OV SC BK SC FW FW SC  
POP 12HR 50 30 60 80 60  
QPF 12HR 0.03 0.02 0.04 0.09 0.04  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C S C D C C C C L L L  
TSTMS C S S C S S S S S S  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 45 66 45 73 48 76 48 78  
TEMP 53 45 57 65 54 45 64 71 56 49 68 73 57 50 69 76  
DEWPT 45 40 45 45 43 39 44 42 38 34 39 38 37 34 36 36  
PWIND DIR W NE NW NW W S SW W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK BK SC SC SC FW FW FW FW FW SC SC SC FW FW FW  
POP 12HR 70 50 20 0 5 20 10 5  
RAIN SHWRS L L C C S S S  
TSTMS S S S S S  
 
 
 
WYZ028-172200-  
ROCK SPRINGS-SWEETWATER WY  
41.61N 109.07W ELEV. 6760 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 70 47 72 44 64  
TEMP 68 68 60 55 51 48 55 65 68 67 58 53 48 45 49 59 63 58  
DEWPT 46 49 49 49 49 46 48 49 45 46 48 47 47 45 44 43 40 39  
RH 45 51 67 80 93 93 77 56 43 47 69 80 96100 83 55 43 49  
WIND DIR W S SW S SE S S NW S S SW W SW SW SW W W W  
WIND SPD 4 6 3 4 3 2 2 3 10 10 4 5 4 3 4 8 12 11  
WIND GUST 12 13 11 20 18 17 23 21  
CLOUDS SC SC BK BK SC SC FW SC SC BK OV BK SC SC SC FW SC SC  
POP 12HR 30 50 70 60 60  
QPF 12HR 0.01 0.01 0.13 0.07 0.03  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S C C S L L S C S S L L C  
TSTMS S C S S C C S S C S  
OBVIS PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 64 37 70 41 70 41 72  
TEMP 47 37 55 64 49 38 62 68 53 42 64 67 52 41 65 70  
DEWPT 40 37 38 36 39 36 38 30 35 35 36 33 37 36 36 32  
PWIND DIR SW W SW SW SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT LT  
AVG CLOUDS SC SC SC FW SC FW FW FW SC SC BK SC SC FW SC CL  
POP 12HR 30 5 0 0 5 20 20 5  
RAIN SHWRS C C S S S  
TSTMS S S S  
 
 
 
WYZ026-172200-  
BIG PINEY-SUBLETTE WY  
42.58N 110.11W ELEV. 6990 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 41 69 37 62  
TEMP 67 63 52 47 45 42 50 62 67 61 50 46 44 40 44 54 60 56  
DEWPT 43 49 50 47 45 42 48 50 45 49 48 46 44 40 44 43 40 41  
RH 42 60 93100100100 93 65 45 65 93100100100100 66 47 57  
WIND DIR NW NE SW N N N N S S SE W NW NW NW NW W W NW  
WIND SPD 6 5 3 0 0 2 0 5 9 8 6 5 3 2 4 3 6 10  
WIND GUST 16 12 18 14 16 17  
CLOUDS BK SC SC FW FW SC BK SC BK SC BK BK SC OV SC FW BK BK  
POP 12HR 70 40 80 70 50  
QPF 12HR 0.09 0.02 0.14 0.13 0.01  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS L C C S C S C L C C S C S S C C S  
TSTMS C S S S S S C C C S S S S S S C S  
OBVIS PF PF PF PF PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 64 30 69 32 70 32 72  
TEMP 40 31 52 64 43 31 58 64 44 33 60 65 44 32 61 67  
DEWPT 39 31 40 39 38 31 41 37 36 33 36 34 35 32 35 33  
PWIND DIR NW NW NW W NW W W W  
WIND CHAR GN LT LT LT LT LT LT LT  
AVG CLOUDS BK SC SC SC SC SC FW FW FW SC SC SC SC SC FW CL  
POP 12HR 20 5 0 0 0 20 10 5  
RAIN SHWRS S S S  
TSTMS S S S  
 
 
 
WYZ025-172200-  
PINEDALE-SUBLETTE WY  
42.80N 109.81W ELEV. 7086 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 41 67 39 60  
TEMP 65 63 54 48 45 43 50 63 65 62 52 47 44 41 44 55 60 56  
DEWPT 41 46 48 46 45 43 46 46 39 45 46 46 44 41 44 41 36 37  
RH 41 54 80 93100100 86 54 38 54 80 96100100100 59 41 49  
WIND DIR NW E N NW N NW N S SW E N NE SE SE SW W W NW  
WIND SPD 5 2 0 1 0 3 0 4 6 5 3 3 3 3 3 3 5 6  
WIND GUST 13 11 11 16 13 10 14 14  
CLOUDS BK BK SC FW SC SC SC SC BK BK BK BK SC BK SC FW SC SC  
POP 12HR 70 40 80 80 70  
QPF 12HR 0.12 0.02 0.12 0.14 0.05  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS L C S S C S C D C D C C C C L L C  
TSTMS C S S S S S C C S S S S S S S C S  
OBVIS PF PF PF PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 65 32 66 35 67 34 69  
TEMP 41 32 53 65 43 34 58 65 44 36 61 65 44 34 61 67  
DEWPT 40 32 37 35 39 34 37 32 37 35 33 31 37 34 33 30  
PWIND DIR NW NW N N NE NW NE NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK BK SC SC SC FW FW FW FW SC SC SC SC SC FW FW  
POP 12HR 30 10 0 0 0 20 20 10  
RAIN SHWRS C S S S S  
TSTMS S S S S  
 
 
 
WYZ013-172200-  
JACKSON-TETON WY  
43.60N 110.73W ELEV. 6451 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 65 42 66 40 58  
TEMP 63 63 54 47 45 43 48 63 65 60 52 47 44 42 43 54 58 55  
DEWPT 52 53 49 47 45 43 48 51 48 50 49 47 44 42 43 46 42 43  
RH 67 70 83100100100100 65 54 69 89100100100100 74 55 64  
WIND DIR S SW E N N N N SW SW SE SW SW S S S SW W W  
WIND SPD 4 4 5 3 2 2 1 2 5 3 4 2 1 1 2 3 5 4  
WIND GUST 12 12  
CLOUDS BK SC SC SC SC SC BK SC OV BK OV SC BK OV SC SC BK BK  
POP 12HR 90 80 80 90 80  
QPF 12HR 0.12 0.18 0.18 0.17 0.13  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C S C C L C C C D D L S D L L D D C  
TSTMS C S S S S S S C C C S S S S S C C S  
OBVIS PF PF PF PF PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 65 35 68 36 69 36 69  
TEMP 41 36 54 65 44 37 60 65 44 36 62 66 44 36 62 67  
DEWPT 41 36 45 40 41 36 41 34 38 36 37 33 37 36 37 32  
PWIND DIR W W NW SW N SW S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK BK BK SC SC FW FW FW FW FW SC FW SC FW FW FW  
POP 12HR 50 20 5 0 0 20 10 10  
RAIN SHWRS C S S S S S  
TSTMS S S S S  
 
 
 
WYZ001-172200-  
LAKE YELLOWSTONE-TETON WY  
44.55N 110.42W ELEV. 7835 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 59 38 62 35 52  
TEMP 56 57 48 43 41 40 47 59 59 54 46 43 41 39 42 49 51 49  
DEWPT 51 50 47 43 41 40 47 51 47 45 46 43 41 39 42 47 43 40  
RH 83 77 96100100100100 75 64 71100100100100100 93 74 71  
WIND DIR SW N N N N N N N S N N N N N N N W N  
WIND SPD 2 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 1 0  
WIND GUST 13 12 8 6 10 12 11 8 6 6 10 13 12  
CLOUDS OV BK FW SC SC BK BK SC OV OV OV OV BK OV BK BK BK BK  
POP 12HR 70 40 90 90 90  
QPF 12HR 0.11 0.02 0.21 0.18 0.25  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS L S S S C S C D D C S D D D D L  
TSTMS C S S C C S S S S S C C S  
OBVIS PF PF PF PF PF PF PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 57 31 61 33 62 33 62  
TEMP 38 33 50 57 40 34 56 59 40 35 58 60 40 35 58 60  
DEWPT 38 33 45 38 37 34 41 33 35 34 36 31 34 33 36 30  
PWIND DIR N N NW W SW S SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS OV OV BK SC SC SC SC FW SC SC SC FW FW FW FW FW  
POP 12HR 60 40 20 5 0 20 10 5  
RAIN SHWRS L C C C S S  
TSTMS S S S  
 
 
 
WYZ003-172200-  
CODY-PARK WY  
44.52N 109.02W ELEV. 5102 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 55 76 53 63  
TEMP 72 69 62 59 56 56 63 74 73 64 59 57 55 55 55 59 61 57  
DEWPT 44 51 51 49 46 44 47 49 51 52 53 53 53 53 52 54 54 53  
RH 37 53 67 69 69 64 56 41 46 65 80 86 93 93 90 83 78 86  
WIND DIR SE SW S SW SW W SW SE NW W W NW NW N NW N N N  
WIND SPD 10 9 6 6 5 5 5 8 9 9 8 5 3 0 5 6 9 9  
WIND GUST 18 16 16 16 6 16  
CLOUDS BK BK SC FW FW FW FW SC BK OV OV OV SC BK BK SC BK BK  
POP 12HR 60 30 70 100 90  
QPF 12HR 0.03 0 0.06 0.24 0.27  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C C S L D L C L L L D D D  
TSTMS S S C S S S S S C C S  
OBVIS PF  
FLOOD A A A A A A A A A A A  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 48 63 47 72 50 75 51 75  
TEMP 52 49 58 63 55 48 64 68 56 51 69 70 57 51 69 70  
DEWPT 49 46 50 49 47 44 47 47 43 39 42 43 40 38 40 43  
PWIND DIR N N NW S S S SW S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS OV OV BK SC BK SC FW FW SC FW FW FW SC SC FW FW  
POP 12HR 80 60 20 0 0 5 20 5  
RAIN SHWRS D L L C S S  
TSTMS S S S S  
 
 
 
WYZ004-172200-  
GREYBULL-BIG HORN WY  
44.52N 108.08W ELEV. 3939 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 78 53 83 53 70  
TEMP 76 77 68 63 57 54 60 75 81 78 66 62 58 55 56 64 68 66  
DEWPT 46 50 49 51 50 50 50 51 50 51 53 57 57 55 55 55 55 55  
RH 34 39 51 65 77 86 69 43 34 39 63 84 96100 96 73 63 68  
WIND DIR S W SE E SE N N S SW SW NW NW NW W W NW NW NW  
WIND SPD 11 10 5 5 3 0 0 3 4 11 9 6 5 4 2 3 4 12  
WIND GUST 23 21 12 21 17 13 23  
CLOUDS BK SC SC FW FW FW FW FW FW SC OV OV BK BK OV BK SC SC  
POP 12HR 20 20 20 90 80  
QPF 12HR 0 0.01 0 0.17 0.17  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S S L D L D D D D D L  
TSTMS S S C S S S S S S C C  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 46 68 45 76 47 79 48 80  
TEMP 56 48 60 68 56 47 67 73 57 47 71 77 59 48 72 78  
DEWPT 53 48 52 52 51 47 50 47 45 42 46 44 43 42 45 43  
PWIND DIR NW NW NE SE E S SE S  
WIND CHAR GN LT LT LT LT LT LT LT  
AVG CLOUDS BK BK OV BK SC SC SC FW FW FW SC SC FW FW FW CL  
POP 12HR 70 70 10 0 0 0 5 5  
RAIN SHWRS L L L C S  
TSTMS C S S S  
 
 
 
WYZ006-172200-  
WORLAND-WASHAKIE WY  
43.97N 107.95W ELEV. 4227 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 75 50 82 50 68  
TEMP 73 74 65 59 55 51 60 75 81 76 63 58 57 54 56 63 67 64  
DEWPT 52 53 52 52 50 48 51 53 52 55 56 56 55 54 55 56 57 57  
RH 48 48 63 78 83 89 72 46 37 48 78 93 93100 96 78 70 78  
WIND DIR SE W SE SE SE SE S SE SW S NE NW NW NW NW N N N  
WIND SPD 11 9 5 5 4 3 3 4 3 8 6 6 4 3 5 5 5 11  
WIND GUST 19 17 10 16 19  
CLOUDS BK SC SC SC SC SC CL FW SC SC OV OV OV BK OV SC SC SC  
POP 12HR 10 10 20 100 70  
QPF 12HR 0 0 0.01 0.18 0.06  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S D D L S L L L L D  
TSTMS S C S S S S S S S C  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 44 66 43 74 45 78 46 79  
TEMP 52 46 58 66 53 46 67 72 54 47 71 75 56 48 71 76  
DEWPT 52 46 52 53 50 46 50 49 45 42 47 46 43 41 45 44  
PWIND DIR NW NW E SE SE S SE E  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK OV BK BK SC SC FW FW FW FW SC FW SC FW FW CL  
POP 12HR 80 70 20 0 0 0 5 0  
RAIN SHWRS D D L C S  
TSTMS C S S S  
 
 
 
WYZ005-172200-  
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY  
43.71N 108.39W ELEV. 4902 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 51 79 50 66  
TEMP 71 70 63 58 54 52 63 75 79 72 61 57 54 52 56 62 65 62  
DEWPT 48 49 51 50 49 46 48 50 49 54 54 54 53 52 53 54 53 54  
RH 44 47 65 75 83 80 58 41 35 53 78 90 96100 90 75 65 75  
WIND DIR S SW S SW SW W W SE S S N W N N N NE NE N  
WIND SPD 14 10 6 5 5 4 2 4 5 9 8 4 2 1 2 3 5 10  
WIND GUST 21 17  
CLOUDS BK SC SC SC FW FW CL FW FW SC BK OV BK SC BK SC SC SC  
POP 12HR 10 20 40 90 80  
QPF 12HR 0 0 0.02 0.14 0.09  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S C D D L C L L D D D  
TSTMS S S C S S S S S S S C  
OBVIS PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 44 65 43 72 46 76 47 77  
TEMP 51 45 57 65 53 44 65 70 55 47 69 73 56 47 70 74  
DEWPT 50 45 49 51 48 44 48 47 43 41 44 44 41 39 43 42  
PWIND DIR NW N NW S S S SW S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK OV OV SC SC SC FW FW FW FW SC SC SC FW FW CL  
POP 12HR 90 70 20 0 0 0 5 0  
RAIN SHWRS D D L C S  
TSTMS C S S S  
 
 
 
WYZ010-172200-  
BUFFALO-JOHNSON WY  
44.38N 106.72W ELEV. 4968 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 72 55 78 55 66  
TEMP 69 65 59 57 56 56 65 75 75 68 61 59 58 56 56 60 64 60  
DEWPT 47 52 53 50 46 44 47 50 49 51 54 54 54 52 53 55 56 56  
RH 45 63 80 77 69 64 52 41 40 54 78 83 86 86 90 84 75 87  
WIND DIR S S S S SW W W E E SE W NW NW N N E NE N  
WIND SPD 24 17 12 8 6 5 2 9 9 8 9 5 4 3 5 4 5 9  
WIND GUST 36 27  
CLOUDS OV BK SC SC SC FW FW FW SC SC OV OV OV OV OV BK SC SC  
POP 12HR 30 5 40 100 90  
QPF 12HR 0.02 0 0.02 0.26 0.19  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C S C D D S L L D D D  
TSTMS S S C C S S S S S C C  
FLOOD A A A A A A A A A A A  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 51 62 48 71 49 76 51 76  
TEMP 53 51 57 60 53 48 64 65 54 50 70 70 55 52 70 70  
DEWPT 50 48 51 51 47 43 46 46 42 36 41 42 38 36 40 41  
PWIND DIR NW N W S S SE W N  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK OV OV BK BK BK SC FW FW FW SC FW SC SC FW CL  
POP 12HR 90 100 50 10 5 5 20 20  
RAIN SHWRS D D D D C S S S S  
TSTMS C S S C S S S  
 
 
 
WYZ012-172200-  
RENDEZVOUS MOUNTAIN-TETON WY  
43.59N 110.89W ELEV. 10318 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 36 47 32 38  
TEMP 43 42 39 37 37 37 38 43 42 39 38 37 36 34 32 35 37 34  
DEWPT 41 40 39 37 37 37 38 41 40 39 38 37 36 34 32 35 36 34  
RH 93 93100100100100100 93 93100100100100100100100 96100  
WIND DIR S S S S SW S SE S S S W NW W NW W W W W  
WIND SPD 3 4 8 6 6 5 6 3 3 3 5 3 2 2 4 3 3 3  
WIND GUST 10 11 10 10  
CLOUDS BK SC FW SC SC SC BK SC OV BK OV SC BK BK SC SC BK BK  
POP 12HR 90 90 90 100 90  
QPF 12HR 0.17 0.20 0.25 0.30 0.20  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C S C C L C C C D D D S D L D C  
SNOWSHWRS L L D D C  
TSTMS C S S S S S S C C C S S S S S C C S  
OBVIS PF PF PF PF PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 43 29 48 31 49 31 49  
TEMP 32 31 36 43 34 30 43 44 34 32 44 44 34 32 44 45  
DEWPT 32 31 35 33 31 30 32 28 29 27 27 27 28 27 27 26  
PWIND DIR NW W N S NE S S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK BK BK SC SC FW FW FW FW FW SC FW SC FW FW FW  
POP 12HR 40 30 5 0 0 20 10 10  
RAIN SHWRS C C S S  
SNOWSHWRS C S S  
TSTMS S S S S  
 
 
 
WYZ023-172200-  
AFTON-LINCOLN WY  
42.71N 110.94W ELEV. 6201 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 41 70 37 61  
TEMP 64 66 55 49 46 43 48 64 68 63 52 47 45 40 42 55 60 55  
DEWPT 52 55 50 49 46 43 48 52 51 53 50 47 45 40 42 49 47 47  
RH 65 68 83100100100100 65 54 70 93100100100100 80 62 74  
WIND DIR SE S S SE SE S S S S E W N N N N N W NW  
WIND SPD 3 4 6 5 2 1 1 3 4 3 4 0 0 0 0 0 3 3  
WIND GUST 11 12 13 12 13 10 6 10 10  
CLOUDS BK SC SC FW SC SC SC SC SC BK BK SC BK BK SC SC BK BK  
POP 12HR 90 60 80 90 80  
QPF 12HR 0.16 0.07 0.23 0.22 0.10  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS L C C L C C L C D C C C C C D D C  
TSTMS C C S S S S C C C S S S S S C C S  
OBVIS PF PF PF PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 68 32 71 35 71 36 72  
TEMP 42 33 55 68 43 35 63 67 44 36 64 67 44 36 65 68  
DEWPT 42 33 48 44 42 35 44 40 40 36 41 40 40 36 41 39  
PWIND DIR NW NW NE W S W S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK BK SC SC SC SC FW FW SC SC SC FW SC FW FW FW  
POP 12HR 50 10 0 0 0 20 5 10  
RAIN SHWRS C S  
TSTMS S S  
 
 
 
WYZ004-172200-  
POWELL-PARK WY  
44.87N 108.79W ELEV. 5092 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 72 54 75 53 60  
TEMP 71 68 60 59 55 55 61 71 74 66 56 56 55 55 55 56 59 54  
DEWPT 38 45 45 46 45 43 45 46 44 49 50 52 51 49 50 50 49 50  
RH 30 43 58 62 69 64 56 41 34 54 80 86 86 80 83 80 69 86  
WIND DIR SE S S S SE SE E E SE SW NW NW NW NW NW N N N  
WIND SPD 13 11 9 8 5 4 4 4 8 12 14 17 14 14 11 9 12 16  
WIND GUST 23 19 16 20 24 25 23 23 16 21 25  
CLOUDS BK OV SC FW FW FW FW FW SC OV OV OV OV BK OV SC BK BK  
POP 12HR 60 40 50 90 90  
QPF 12HR 0.01 0 0.01 0.31 0.31  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C S C D D S D L L D D L  
TSTMS S C C S S S S S C C S  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 48 61 48 69 50 72 50 73  
TEMP 50 50 55 61 52 48 61 65 54 50 65 68 55 50 65 68  
DEWPT 47 45 48 47 45 42 44 43 41 38 40 39 37 36 38 38  
PWIND DIR NW NW W SE SE SE SW NE  
WIND CHAR GN LT LT LT LT LT LT LT  
AVG CLOUDS BK OV BK BK SC SC FW FW FW FW FW FW FW SC FW CL  
POP 12HR 70 60 10 0 0 0 5 5  
RAIN SHWRS L L L C S  
TSTMS S S S  
 
 
 
WYZ004-172200-  
COWLEY-BIG HORN WY  
44.91N 108.45W ELEV. 4090 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 76 54 80 54 66  
TEMP 73 75 67 63 57 55 61 74 79 74 65 60 57 55 56 61 65 62  
DEWPT 47 52 50 51 50 50 51 53 50 53 54 55 56 55 55 56 55 54  
RH 40 45 54 65 77 83 70 48 36 48 68 84 96100 96 84 70 75  
WIND DIR SE W S E NE NE E SE SE SE W NW NW NW NW NW NW N  
WIND SPD 10 9 5 4 3 2 2 2 4 10 12 9 8 5 4 2 4 12  
WIND GUST 21 19 12 20 21 16 9 13 21  
CLOUDS BK OV BK FW FW FW FW CL SC BK OV OV BK BK OV BK SC BK  
POP 12HR 30 30 30 100 90  
QPF 12HR 0 0 0 0.25 0.29  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C S C L D L D D D D D L  
TSTMS S S C S S S S S C C S  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 48 66 48 72 50 77 50 77  
TEMP 54 49 57 66 55 48 65 70 57 50 69 74 58 50 69 74  
DEWPT 51 49 52 52 50 48 51 48 45 43 46 45 43 42 45 44  
PWIND DIR NW NW NE SE SE SE NE E  
WIND CHAR GN LT LT LT LT LT LT LT  
AVG CLOUDS BK OV OV BK SC SC SC FW FW FW FW FW FW SC FW CL  
POP 12HR 70 70 20 0 0 0 5 5  
RAIN SHWRS L L L C S  
TSTMS S S S  
 
 
 
WYZ016-172200-  
DUBOIS-FREMONT WY  
43.55N 109.69W ELEV. 7291 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 44 66 42 59  
TEMP 62 60 51 47 45 45 53 64 64 59 51 48 46 43 44 54 58 55  
DEWPT 42 46 44 42 42 41 45 42 40 42 43 42 44 42 42 39 37 37  
RH 48 60 77 83 89 86 74 45 41 53 74 80 93 96 93 57 45 51  
WIND DIR W N NW NW NW W NW W N SE W NW W W W W W W  
WIND SPD 5 3 4 8 8 6 6 4 6 4 5 4 3 3 4 6 9 9  
WIND GUST 14 11 11 16 12 14 18 18  
CLOUDS OV BK SC SC SC SC SC BK BK OV OV BK SC BK SC SC SC BK  
POP 12HR 90 50 80 80 70  
QPF 12HR 0.18 0.03 0.17 0.15 0.13  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS L S C C S L L C D C L L L L L  
TSTMS C S S C C S S S S S C C S  
OBVIS PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 60 36 65 38 66 38 67  
TEMP 43 39 52 60 45 37 58 62 45 39 62 63 45 39 62 64  
DEWPT 38 38 38 36 37 35 36 33 34 32 31 30 32 32 31 29  
PWIND DIR W W W W W SW W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK BK BK SC BK SC FW FW SC FW SC SC SC FW FW FW  
POP 12HR 60 40 10 5 5 20 10 10  
RAIN SHWRS L C C C S S S S  
TSTMS S S S S S S  
 
 
 
WYZ027-172200-  
KEMMERER-LINCOLN WY  
41.83N 110.56W ELEV. 7285 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 43 65 39 60  
TEMP 65 63 55 49 46 44 51 62 63 61 52 47 43 41 44 55 59 56  
DEWPT 43 47 49 46 46 44 47 47 44 47 47 46 43 41 44 41 39 39  
RH 45 56 80 89100100 86 58 50 60 83 96100100100 59 47 53  
WIND DIR SW NE NE E N NE S S S NW SW W W W W W W W  
WIND SPD 5 4 2 3 2 2 2 5 6 6 5 5 4 4 5 10 12 12  
WIND GUST 14 11 16 13 23 20  
CLOUDS BK SC SC FW FW SC SC SC BK BK BK SC SC SC SC FW SC SC  
POP 12HR 70 60 80 70 40  
QPF 12HR 0.09 0.08 0.20 0.10 0  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS L L C C C C L C C S S S S C C S  
TSTMS C C S S S C C C S S C S S  
OBVIS PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 63 34 67 38 67 37 69  
TEMP 41 34 54 63 45 35 59 65 48 39 62 64 46 37 62 67  
DEWPT 38 34 39 37 38 35 39 33 35 34 35 33 36 34 35 32  
PWIND DIR W W NW NW NW W W W  
WIND CHAR LT GN LT LT LT LT LT LT  
AVG CLOUDS SC FW FW FW FW FW FW FW SC SC SC FW SC FW FW CL  
POP 12HR 10 5 0 0 0 20 10 5  
RAIN SHWRS S S S  
TSTMS S S  
 
 
 
WYZ023-172200-  
ALPINE-LINCOLN WY  
43.18N 111.04W ELEV. 5634 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 48 69 45 60  
TEMP 65 67 59 54 51 49 51 64 67 64 55 53 50 47 46 56 60 57  
DEWPT 58 57 54 53 51 49 51 54 54 56 53 53 50 47 46 50 49 50  
RH 78 70 83 96100100100 70 63 75 93100100100100 80 67 77  
WIND DIR SE SE E E E E E S W E W S N N S W W W  
WIND SPD 2 3 6 6 4 3 4 2 2 2 4 2 0 0 1 1 2 2  
WIND GUST 10 11 9 11 9 8 8 10 10  
CLOUDS BK SC FW SC SC SC SC BK OV OV BK SC OV BK SC SC BK BK  
POP 12HR 100 80 80 100 80  
QPF 12HR 0.16 0.18 0.21 0.29 0.17  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS L S C C L C C C D D L C L L L D D C  
TSTMS C S S S S S S C C C S S S S S S C S  
OBVIS PF PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 40 69 40 71 42 71 42 72  
TEMP 48 43 57 69 51 42 64 69 52 42 66 69 52 43 66 70  
DEWPT 48 43 49 46 47 42 46 41 44 42 42 40 44 42 42 39  
PWIND DIR SW W NE S N S S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK BK BK SC SC FW FW FW FW SC SC FW SC SC FW FW  
POP 12HR 40 10 0 0 0 10 5 10  
RAIN SHWRS C S S  
TSTMS S S S  
 
 
 
WYZ023-172200-  
COKEVILLE-LINCOLN WY  
42.05N 110.97W ELEV. 6270 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 40 68 35 61  
TEMP 67 66 55 49 46 42 49 65 68 63 52 47 45 40 43 56 61 58  
DEWPT 49 52 50 49 46 42 49 52 49 51 49 47 45 40 43 47 44 45  
RH 52 61 83100100100100 63 51 65 89100100100100 72 53 62  
WIND DIR N NE SE W S S S S SE NE S W S SE NW W W NW  
WIND SPD 4 4 4 4 3 3 3 5 6 4 4 3 1 1 2 4 8 8  
WIND GUST 13 11 16 11 16 14  
CLOUDS BK SC FW FW SC SC SC SC BK SC BK BK SC BK SC SC SC SC  
POP 12HR 80 60 80 80 50  
QPF 12HR 0.10 0.14 0.26 0.15 0.04  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS D L C C S S C C C D C C S C C C C S  
TSTMS C C S S S S S C C C S S S S S S S S  
OBVIS PF PF PF PF PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 67 29 70 33 70 32 72  
TEMP 42 32 56 67 44 34 61 67 45 34 64 67 45 33 65 70  
DEWPT 42 32 45 43 41 34 43 40 38 34 41 40 38 33 41 39  
PWIND DIR N NW N S NE S S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC FW FW FW FW FW FW SC SC FW SC FW FW CL  
POP 12HR 20 0 0 0 0 20 5 5  
RAIN SHWRS S S  
TSTMS S S  
 
 
 
WYZ028-172200-  
GREEN RIVER-SWEETWATER WY  
41.46N 109.49W ELEV. 7182 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 74 49 75 45 67  
TEMP 73 70 62 57 53 50 57 69 73 69 59 54 49 46 51 62 66 61  
DEWPT 44 48 51 50 50 47 50 54 51 51 50 49 47 46 47 48 46 46  
RH 35 45 67 77 89 89 77 59 46 53 72 83 93100 86 60 48 58  
WIND DIR W E SE SE SE SE S NE S S SW SW SW SW SW W W W  
WIND SPD 3 5 2 4 3 1 2 3 6 8 3 4 2 2 3 6 10 10  
WIND GUST 11 13 17 17 14 20 20  
CLOUDS SC SC BK SC SC SC SC SC SC BK OV SC SC SC SC FW SC SC  
POP 12HR 20 40 70 70 60  
QPF 12HR 0.01 0.04 0.08 0.09 0.03  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S C S S C L L S S S S L L S  
TSTMS S C S S C C S S C S  
OBVIS PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 67 40 73 45 73 43 75  
TEMP 49 39 60 67 51 40 64 70 54 45 66 69 53 43 68 72  
DEWPT 42 38 45 42 40 38 44 38 38 37 42 40 40 37 42 39  
PWIND DIR SW W SW SW SW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK SC FW FW FW FW SC FW SC SC BK FW SC FW SC FW  
POP 12HR 20 5 0 0 5 20 30 5  
RAIN SHWRS S S S S C  
TSTMS S S S  
 
 
 
WYZ017-172200-  
SHOSHONI-FREMONT WY  
43.25N 108.12W ELEV. 4817 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 53 80 53 70  
TEMP 71 72 64 60 56 54 61 73 79 75 63 60 57 54 57 65 69 67  
DEWPT 51 52 54 54 52 51 52 54 49 54 54 56 54 54 54 56 51 51  
RH 49 49 70 81 86 90 72 51 35 48 72 87 90100 90 73 53 56  
WIND DIR SE N E E S SE SE SW SE SW SE W N S NW S NW W  
WIND SPD 6 5 4 3 3 3 2 2 3 6 6 4 4 3 3 2 3 8  
WIND GUST 13 12 10 14 11 14  
CLOUDS BK SC FW FW SC SC SC FW SC BK BK BK BK BK BK FW FW SC  
POP 12HR 10 20 30 90 50  
QPF 12HR 0 0.02 0.02 0.09 0.04  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS S S D C C C C C C D  
TSTMS S S C S S S S S  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 48 66 47 73 49 77 50 79  
TEMP 55 48 58 66 55 47 66 72 58 49 70 75 59 50 71 77  
DEWPT 51 48 50 50 49 46 50 45 44 42 45 42 42 41 44 41  
PWIND DIR NW NW NE SE E S SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK OV BK SC SC SC FW FW FW FW SC SC SC SC FW CL  
POP 12HR 90 60 10 0 0 0 20 0  
RAIN SHWRS D D L C S S  
TSTMS S S S S S S  
 
 
 
WYZ005-172200-  
THERMOPOLIS-HOT SPRINGS WY  
43.66N 108.21W ELEV. 4592 FT  
1231 PM MDT THU SEP 17 2026  
 
DATE THU 09/17/26 FRI 09/18/26 SAT 09/19/26  
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 74 53 81 52 68  
TEMP 71 72 66 61 57 54 64 77 81 75 63 59 56 54 57 63 67 64  
DEWPT 54 52 52 52 50 48 50 52 51 55 54 55 54 53 53 55 55 54  
RH 55 49 61 72 77 80 60 42 35 50 72 87 93 96 86 75 65 70  
WIND DIR S SW SE S S S SW SW S S NE NW N N N N N N  
WIND SPD 13 9 8 8 6 3 3 4 5 8 6 4 2 1 2 4 6 10  
WIND GUST 16  
CLOUDS BK SC SC SC SC FW CL FW SC BK BK OV BK BK BK SC SC SC  
POP 12HR 10 10 40 90 70  
QPF 12HR 0 0 0.01 0.15 0.09  
SNOW 12HR 00-00 00-00 00-00 00-00 00-00  
RAIN SHWRS C D D L C L L L L D  
TSTMS S C S S S S S C  
OBVIS PF  
 
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26  
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 45 66 45 74 48 78 49 79  
TEMP 54 46 58 66 55 46 67 72 57 48 71 75 59 49 71 76  
DEWPT 51 46 50 51 48 45 49 48 44 41 45 44 41 40 44 43  
PWIND DIR NW N W S SE S S SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS BK OV OV BK SC SC FW FW FW FW SC SC SC FW FW CL  
POP 12HR 90 70 20 0 0 0 10 0  
RAIN SHWRS D D L C S  
TSTMS C S S S S  
 
 
 
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT  
 
DAY 1 THROUGH DAY 3...  
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE  
TEMP(F).............................AIR TEMPERATURE  
DEWPT(F)............................DEW POINT TEMPERATURE  
RH(%)...............................RELATIVE HUMIDITY  
WIND DIR(8 POINT COMPASS)...........WIND DIRECTION  
WIND SPD(MPH).......................WIND SPEED  
CLOUDS(CAT).........................CLOUD COVER CATEGORY  
CL.....CLEAR/SUNNY.......................0% TO =< 10%  
FW.....MOSTLY CLEAR/MOSTLY SUNNY......> 10% TO =< 30%  
SC.....PARTLY CLOUDY/PARTLY SUNNY.....> 30% TO =< 60%  
BK.....MOSTLY CLOUDY..................> 60% TO =< 80%  
OV.....CLOUDY.........................> 80% TO =< 100%  
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION  
QPF 12HR(IN.).......................AMOUNT OF LIQUID PRECIPITATION  
SNOW 12HR(MIN-MAX - IN.)............RANGE OF SNOWFALL  
WEATHER...  
TYPE...  
RAIN...........RAIN  
RAIN SHWRS.....RAIN SHOWERS  
SPRINKLES......SPRINKLES  
TSTMS..........THUNDERSTORMS  
DRIZZLE........DRIZZLE  
SNOW...........SNOW  
SNOWSHWRS......SNOW SHOWERS  
FLURRIES.......SNOW FLURRIES  
SLEET..........SLEET  
FRZG RAIN......FREEZING RAIN  
FRZG DRZL......FREEZING DRIZZLE  
COVERAGE...  
IS.............ISOLATED  
SC.............SCATTERED  
NM.............NUMEROUS  
O..............OCCASIONAL  
S..............SLIGHT CHANCE  
C..............CHANCE  
L..............LIKELY  
WD.............WIDESPREAD  
D..............DEFINITE  
AR.............AREAS  
PA.............PATCHY  
OBVIS...............................OBSTRUCTION TO VISIBILITY  
F.......FOG  
PF......PATCHY FOG  
F+......DENSE FOG  
PF+.....PATCHY DENSE FOG  
H.......HAZE  
BS......BLOWING SNOW  
K.......SMOKE  
BD......BLOWING DUST  
VA......VOLCANIC ASH  
DAY 4 THROUGH DAY 7...  
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE  
TEMP(F).............................AIR TEMPERATURE  
DEWPT(F)............................DEW POINT TEMPERATURE  
PWIND DIR(8 POINT COMPASS)..........PREDOMINANT WIND DIRECTION IN 12HR PERIOD  
WIND CHAR(MAX SUSTAINED IN 12HR)....WIND CHARACTERISTIC  
LT.....LIGHT; < 8 MPH  
GN.....GENTLE; 8 - 14 MPH  
BZ.....BREEZY; 15 - 22 MPH  
WY.....WINDY; 23 - 30 MPH  
VW.....VERY WINDY; 31 - 39 MPH  
SD.....STRONG/DAMAGING; >= 40 MPH  
AVG CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY  
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS  
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION  
WEATHER...  
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS  
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