552
FOUS55 KRIW 172046
PFMRIW
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE RIVERTON WY
246 PM MDT THU SEP 17 2026
WYZ020-181000-
CASPER-NATRONA WY
42.91N 106.46W ELEV. 5530 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 48 80 48 73 42
TEMP 64 64 55 53 52 51 61 75 79 74 60 55 53 50 54 63 68 71 55 51 47 43
DEWPT 55 53 55 53 52 48 50 55 53 52 53 53 53 50 50 50 48 50 48 49 47 43
RH 73 67100100100 89 67 50 41 46 78 93100100 86 62 49 47 77 93100100
WIND DIR E S SE SW SW SW SW SW SW SW SW SW W SW SW SW SW SW SE N NW W
WIND SPD 5 4 4 6 11 11 12 12 9 8 6 4 5 4 5 10 10 9 8 6 8 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 SC BK BK BK
POP 12HR 5 20 80 30 60
QPF 12HR 0.01 0.01 0.08 0 0.09
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L S C L C S S C C L L C C C
TSTMS S S C S S S S S S
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 39 74 42 78 44 79 44 81
TEMP 60 63 48 43 65 71 51 44 70 74 54 46 71 75 54 46 73 77
DEWPT 46 46 47 42 44 42 42 39 40 40 42 40 40 39 40 39 40 37
PWIND DIR W NW SW SE SW SW SW E SW
WIND CHAR GN LT LT LT GN LT GN LT GN
AVG CLOUDS BK SC SC SC SC FW FW FW SC FW SC SC FW FW FW FW FW FW
POP 12HR 60 20 0 0 0 20 5 5 5
RAIN SHWRS C L S S
TSTMS S S S S
WYZ017-181000-
RIVERTON-FREMONT WY
43.06N 108.46W ELEV. 5525 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 51 78 52 69 46
TEMP 72 70 61 58 54 52 60 73 78 72 61 58 56 54 55 62 67 64 56 54 50 46
DEWPT 46 49 52 51 49 46 48 52 47 52 52 52 52 51 51 53 47 48 48 48 46 44
RH 39 47 72 77 83 80 64 48 33 49 72 80 86 90 86 72 49 56 74 80 86 93
WIND DIR SE N SW W W W W NE SE SW S NW NW W W NE NE W NW N W W
WIND SPD 6 6 4 4 5 4 3 4 5 11 9 6 5 4 5 3 5 10 9 6 5 6
WIND GUST 12 18 12
CLOUDS BK SC SC FW SC SC FW SC SC BK BK BK SC SC SC FW FW SC BK BK BK BK
POP 12HR 30 50 80 50 80
QPF 12HR 0.03 0.07 0.08 0.06 0.22
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C S C D C C C C C C D D D D C
TSTMS S S S S C S S S S S S S S S
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 45 72 47 76 48 78 48 79
TEMP 56 64 54 45 63 70 56 48 67 73 57 48 69 75 58 48 70 77
DEWPT 48 46 46 43 47 43 41 38 42 38 39 37 40 36 37 36 40 35
PWIND DIR N N N NW S SW NW SW N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK SC SC SC FW FW FW FW SC SC SC FW FW CL FW FW FW CL
POP 12HR 50 10 0 5 0 20 5 5 0
RAIN SHWRS C C S
TSTMS S S S
WYZ018-181000-
LANDER-FREMONT WY
42.82N 108.73W ELEV. 5586 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 52 78 50 70 45
TEMP 71 70 61 58 55 54 60 74 77 72 60 59 55 52 52 62 68 65 57 53 47 45
DEWPT 43 50 53 49 47 44 48 51 47 52 51 50 49 47 50 50 46 46 46 45 41 40
RH 36 49 75 72 74 69 64 44 35 49 72 72 80 83 93 65 45 50 67 74 79 82
WIND DIR E N SW SW SW SW N E E S S W N N N E SW W W N N N
WIND SPD 4 5 5 5 4 3 0 4 5 6 6 3 0 0 0 4 4 6 5 0 0 0
WIND GUST 11 11
CLOUDS BK SC SC SC SC SC SC SC SC OV OV OV SC BK SC FW FW SC BK BK BK BK
POP 12HR 50 60 80 60 70
QPF 12HR 0.02 0.04 0.09 0.04 0.17
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 L L L C
TSTMS C C S C S S S S S S S S S
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 45 73 48 76 48 78 49 79
TEMP 57 65 54 45 64 71 56 49 68 73 57 50 69 76 58 50 71 77
DEWPT 45 45 43 39 44 42 38 34 39 38 37 34 36 36 36 34 37 35
PWIND DIR NE NW NW W S SW W SW S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW FW SC SC SC FW FW FW FW FW FW CL
POP 12HR 50 20 0 5 20 10 5 5 5
RAIN SHWRS C C S S S
TSTMS S S S
WYZ028-181000-
ROCK SPRINGS-SWEETWATER WY
41.61N 109.07W ELEV. 6760 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 47 72 44 64 37
TEMP 70 69 60 55 51 48 55 65 68 67 58 53 48 45 49 59 63 58 52 47 40 37
DEWPT 46 49 49 49 49 46 48 49 45 46 48 47 47 45 44 43 40 39 41 40 38 37
RH 42 49 67 80 93 93 77 56 43 47 69 80 96100 83 55 43 49 66 76 92100
WIND DIR W S SW S SE S S NW S S SW W SW SW SW W W W W SW SW SW
WIND SPD 4 6 3 4 3 2 2 3 10 10 4 5 4 3 4 8 12 11 9 6 5 5
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 BK SC SC SC
POP 12HR 50 70 60 60 30
QPF 12HR 0.01 0.13 0.07 0.03 0.01
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 C C C
TSTMS S C S S C C S S C S
OBVIS PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 37 70 41 70 41 72 41 74
TEMP 55 64 49 38 62 68 53 42 64 67 52 41 65 70 54 42 67 71
DEWPT 38 36 39 36 38 30 35 35 36 33 37 36 36 32 36 35 36 33
PWIND DIR W SW SW SW SW SW SW SE SE
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW SC FW FW FW SC SC BK SC SC FW SC CL SC FW FW FW
POP 12HR 5 0 0 5 20 20 5 5 5
RAIN SHWRS S S S
TSTMS S S
WYZ026-181000-
BIG PINEY-SUBLETTE WY
42.58N 110.11W ELEV. 6990 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 41 69 37 62 30
TEMP 64 64 52 47 45 42 50 62 67 61 50 46 44 40 44 54 60 56 46 40 35 31
DEWPT 49 52 50 47 45 42 48 50 45 49 48 46 44 40 44 43 40 41 41 39 35 31
RH 58 65 93100100100 93 65 45 65 93100100100100 66 47 57 83 96100100
WIND DIR NW NE SW N N N N S S SE W NW NW NW NW W W NW NW NW NW NW
WIND SPD 6 5 3 0 0 2 0 5 9 8 6 5 3 2 4 3 6 10 9 8 6 5
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 BK BK SC SC
POP 12HR 40 80 70 50 20
QPF 12HR 0.02 0.14 0.13 0.01 0.01
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS D C C S C S C L C C S C S S C C S S
TSTMS C S S S S C C C S S S S S S C S
OBVIS PF PF PF PF PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 30 69 32 70 32 72 33 72
TEMP 52 64 43 31 58 64 44 33 60 65 44 32 61 67 45 33 63 68
DEWPT 40 39 38 31 41 37 36 33 36 34 35 32 35 33 34 31 35 33
PWIND DIR NW NW W NW W W W NW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC FW FW FW SC SC SC SC SC FW CL FW SC FW FW
POP 12HR 5 0 0 0 20 10 5 10 5
RAIN SHWRS S S
TSTMS S S
WYZ025-181000-
PINEDALE-SUBLETTE WY
42.80N 109.81W ELEV. 7086 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 41 67 39 60 31
TEMP 59 62 54 48 45 43 50 63 65 62 52 47 44 41 44 55 60 56 47 41 36 32
DEWPT 48 48 48 46 45 43 46 46 39 45 46 46 44 41 44 41 36 37 40 40 36 32
RH 67 60 80 93100100 86 54 38 54 80 96100100100 59 41 49 76 96100100
WIND DIR NW E N NW N NW N S SW E N NE SE SE SW W W NW NW NW NW NW
WIND SPD 5 2 0 1 0 3 0 4 6 5 3 3 3 3 3 3 5 6 5 5 5 4
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 BK BK BK SC
POP 12HR 40 80 80 70 30
QPF 12HR 0.02 0.12 0.14 0.05 0.01
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 C S S
TSTMS C S S S S C C S S S S S S S C S
OBVIS PF PF PF PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 65 32 66 35 67 34 69 35 69
TEMP 53 65 43 34 58 65 44 36 61 65 44 34 61 67 45 35 63 68
DEWPT 37 35 39 34 37 32 37 35 33 31 37 34 33 30 36 34 32 30
PWIND DIR NW N N NE NW NE NW NW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW SC SC SC SC SC FW FW SC SC FW FW
POP 12HR 10 0 0 0 20 20 10 10 5
RAIN SHWRS S S S
TSTMS S S S
WYZ013-181000-
JACKSON-TETON WY
43.60N 110.73W ELEV. 6451 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 42 66 40 58 35
TEMP 58 62 54 47 45 43 48 63 65 60 52 47 44 42 43 54 58 55 47 41 38 36
DEWPT 52 53 49 47 45 43 48 51 48 50 49 47 44 42 43 46 42 43 43 41 38 36
RH 80 72 83100100100100 65 54 69 89100100100100 74 55 64 86100100100
WIND DIR S SW E N N N N SW SW SE SW SW S S S SW W W W W N N
WIND SPD 4 4 5 3 2 2 1 2 5 3 4 2 1 1 2 3 5 4 3 2 0 0
WIND GUST 12 12
CLOUDS BK SC SC SC SC SC BK SC OV BK OV SC BK OV SC SC BK BK BK BK BK BK
POP 12HR 80 80 90 80 50
QPF 12HR 0.18 0.18 0.17 0.13 0.02
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C C L C C C D D L S D L L D D C C S S S
TSTMS C C S S S C C C S S S S S C C S
OBVIS PF PF PF PF PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 65 35 68 36 69 36 69 36 70
TEMP 54 65 44 37 60 65 44 36 62 66 44 36 62 67 45 36 63 68
DEWPT 45 40 41 36 41 34 38 36 37 33 37 36 37 32 36 35 37 33
PWIND DIR W NW SW N SW S S N SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK SC SC FW FW FW FW FW SC FW SC FW FW FW FW SC FW FW
POP 12HR 20 5 0 0 20 10 10 10 10
RAIN SHWRS S S S S S S
TSTMS S S S S S
WYZ001-181000-
LAKE YELLOWSTONE-TETON WY
44.55N 110.42W ELEV. 7835 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 38 62 35 52 32
TEMP 53 57 48 43 41 40 47 59 59 54 46 43 41 39 42 49 51 49 42 38 36 33
DEWPT 50 50 47 43 41 40 47 51 47 45 46 43 41 39 42 47 43 40 41 38 36 33
RH 89 77 96100100100100 75 64 71100100100100100 93 74 71 96100100100
WIND DIR SW N N N N N N N S N N N N N N N W N N N N N
WIND SPD 2 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0
WIND GUST 13 12 8 6 10 12 11 8 6 6 10 13 12 9 6
CLOUDS OV BK FW SC SC BK BK SC OV OV OV OV BK OV BK BK BK BK OV OV OV OV
POP 12HR 40 90 90 90 60
QPF 12HR 0.02 0.21 0.18 0.25 0.03
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L S S S C C S C D D C S D D D D L L C C C
TSTMS C S S C C S S S S S C C S
OBVIS PF PF PF PF PF PF PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 57 31 61 33 62 33 62 34 64
TEMP 50 57 40 34 56 59 40 35 58 60 40 35 58 60 41 36 59 61
DEWPT 45 38 37 34 41 33 35 34 36 31 34 33 36 30 33 32 35 30
PWIND DIR N NW W SW S SW SW S S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK SC SC SC SC FW SC SC SC FW FW FW FW FW FW FW FW FW
POP 12HR 40 20 5 0 20 10 5 10 10
RAIN SHWRS C C S S S
TSTMS S S S
WYZ003-181000-
CODY-PARK WY
44.52N 109.02W ELEV. 5102 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 55 76 53 63 48
TEMP 73 70 62 59 56 56 63 74 73 64 59 57 55 55 55 59 61 57 52 52 50 49
DEWPT 43 51 51 49 46 44 47 49 51 52 53 53 53 53 52 54 54 53 50 49 48 46
RH 34 51 67 69 69 64 56 41 46 65 80 86 93 93 90 83 78 86 93 89 93 89
WIND DIR SE SW S SW SW W SW SE NW W W NW NW N NW N N 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 5 0 0 0
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 OV OV OV OV
POP 12HR 10 70 100 90 80
QPF 12HR 0 0.06 0.24 0.27 0.17
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S S L D L C L L L D D D D L L L
TSTMS S S S C S S S S S C C S S
OBVIS PF
FLOOD A A A A A A A A A A A A A A A
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 63 47 72 50 75 51 75 50 76
TEMP 58 63 55 48 64 68 56 51 69 70 57 51 69 70 56 51 69 71
DEWPT 50 49 47 44 47 47 43 39 42 43 40 38 40 43 39 37 41 42
PWIND DIR N NW S S S SW S NW S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK SC BK SC FW FW SC FW FW FW SC SC FW FW FW FW SC FW
POP 12HR 60 20 0 0 5 20 5 5 5
RAIN SHWRS L C S S
TSTMS S S S
WYZ004-181000-
GREYBULL-BIG HORN WY
44.52N 108.08W ELEV. 3939 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 53 83 53 70 46
TEMP 75 76 68 63 57 54 60 75 81 78 66 62 58 55 56 64 68 66 59 56 51 48
DEWPT 44 49 49 51 50 50 50 51 50 51 53 57 57 55 55 55 55 55 53 53 51 48
RH 33 39 51 65 77 86 69 43 34 39 63 84 96100 96 73 63 68 80 90100100
WIND DIR S W SE E SE N N S SW SW NW NW NW W W NW NW NW NW NW NW NW
WIND SPD 11 10 5 5 3 0 0 3 4 11 9 6 5 4 2 3 4 12 13 10 5 4
WIND GUST 23 21 12 21 17 13 23 21 18
CLOUDS BK SC SC FW FW FW FW FW FW SC OV OV BK BK OV BK SC SC BK BK BK OV
POP 12HR 10 20 90 80 70
QPF 12HR 0.01 0 0.17 0.17 0.18
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S L D L D D D D D L L L L L
TSTMS S C S S S S S S C C S S
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 45 76 47 79 48 80 48 81
TEMP 60 68 56 47 67 73 57 47 71 77 59 48 72 78 58 48 72 79
DEWPT 52 52 51 47 50 47 45 42 46 44 43 42 45 43 42 41 44 42
PWIND DIR NW NE SE E S SE S NE SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS OV BK SC SC SC FW FW FW SC SC FW FW FW CL FW FW FW FW
POP 12HR 70 10 0 0 0 5 5 5 5
RAIN SHWRS L C S
TSTMS S S
WYZ006-181000-
WORLAND-WASHAKIE WY
43.97N 107.95W ELEV. 4227 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 50 82 50 68 44
TEMP 73 74 65 59 55 51 60 75 81 76 63 58 57 54 56 63 67 64 56 52 50 46
DEWPT 50 53 52 52 50 48 51 53 52 55 56 56 55 54 55 56 57 57 53 52 50 46
RH 44 48 63 78 83 89 72 46 37 48 78 93 93100 96 78 70 78 90100100100
WIND DIR SE W SE SE SE SE S SE SW S NE NW NW NW NW N N N NW NW W NW
WIND SPD 11 9 5 5 4 3 3 4 3 8 6 6 4 3 5 5 5 11 9 6 5 4
WIND GUST 19 17 10 16 19 16
CLOUDS BK SC SC SC SC SC CL FW SC SC OV OV OV BK OV SC SC SC BK OV OV OV
POP 12HR 10 20 100 70 80
QPF 12HR 0 0.01 0.18 0.06 0.16
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S D D L S L L L L D D D D L
TSTMS S C S S S S S S S C S S S
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 43 74 45 78 46 79 46 81
TEMP 58 66 53 46 67 72 54 47 71 75 56 48 71 76 56 48 72 77
DEWPT 52 53 50 46 50 49 45 42 47 46 43 41 45 44 42 40 45 43
PWIND DIR NW E SE SE S SE E E S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK BK SC SC FW FW FW FW SC FW SC FW FW CL FW FW FW FW
POP 12HR 70 20 0 0 0 5 0 5 0
RAIN SHWRS L C S
TSTMS S S
WYZ005-181000-
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY
43.71N 108.39W ELEV. 4902 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 51 79 50 66 44
TEMP 70 71 63 58 54 52 63 75 79 72 61 57 54 52 56 62 65 62 55 51 47 45
DEWPT 48 50 51 50 49 46 48 50 49 54 54 54 53 52 53 54 53 54 51 50 47 45
RH 45 47 65 75 83 80 58 41 35 53 78 90 96100 90 75 65 75 86 96100100
WIND DIR S SW S SW SW W W SE S S N W N N N NE NE N NW NW NW NW
WIND SPD 14 10 6 5 5 4 2 4 5 9 8 4 2 1 2 3 5 10 9 4 2 2
WIND GUST 21 17
CLOUDS BK SC SC SC FW FW CL FW FW SC BK OV BK SC BK SC SC SC OV OV OV OV
POP 12HR 10 40 90 80 90
QPF 12HR 0 0.02 0.14 0.09 0.31
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C D D L C L L D D D D D D L
TSTMS S C S S S S S S S C S S
OBVIS PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 65 43 72 46 76 47 77 46 79
TEMP 57 65 53 44 65 70 55 47 69 73 56 47 70 74 56 47 71 76
DEWPT 49 51 48 44 48 47 43 41 44 44 41 39 43 42 39 38 42 41
PWIND DIR N NW S S S SW S NW S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS OV SC SC SC FW FW FW FW SC SC SC FW FW CL FW FW FW FW
POP 12HR 70 20 0 0 0 5 0 5 5
RAIN SHWRS L C S
TSTMS S S
WYZ010-181000-
BUFFALO-JOHNSON WY
44.38N 106.72W ELEV. 4968 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 55 78 55 66 51
TEMP 72 67 59 57 56 56 65 75 75 68 61 59 58 56 56 60 64 60 55 53 53 51
DEWPT 47 54 53 50 46 44 47 50 49 51 54 54 54 52 53 55 56 56 53 50 50 48
RH 41 63 80 77 69 64 52 41 40 54 78 83 86 86 90 84 75 87 93 89 89 89
WIND DIR S S S S SW W W E E SE W NW NW N N E NE N N NW NW N
WIND SPD 24 17 12 8 6 5 2 9 9 8 9 5 4 3 5 4 5 9 8 3 3 4
WIND GUST 36 27
CLOUDS OV BK SC SC SC FW FW FW SC SC OV OV OV OV OV BK SC SC BK OV OV OV
POP 12HR 5 40 100 90 90
QPF 12HR 0 0.02 0.26 0.19 0.26
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 D D D D
TSTMS S S C C S S S S S C C S S S S
FLOOD A A A A A A A A A A A A A A A
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 62 48 71 49 76 51 76 51 78
TEMP 57 60 53 48 64 65 54 50 70 70 55 52 70 70 55 51 71 72
DEWPT 51 51 47 43 46 46 42 36 41 42 38 36 40 41 38 35 39 39
PWIND DIR N W S S SE W N W S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS OV BK BK BK SC FW FW FW SC FW SC SC FW CL FW FW SC FW
POP 12HR 100 50 10 5 5 20 20 5 10
RAIN SHWRS D D C S S S S
TSTMS S C S S S
WYZ012-181000-
RENDEZVOUS MOUNTAIN-TETON WY
43.59N 110.89W ELEV. 10318 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 36 47 32 38 30
TEMP 42 44 39 37 37 37 38 43 42 39 38 37 36 34 32 35 37 34 32 32 32 31
DEWPT 38 42 39 37 37 37 38 41 40 39 38 37 36 34 32 35 36 34 32 32 32 31
RH 86 93100100100100100 93 93100100100100100100100 96100100100100100
WIND DIR S S S S SW S SE S S S W NW W NW W W W W W NW NW NW
WIND SPD 3 4 8 6 6 5 6 3 3 3 5 3 2 2 4 3 3 3 4 2 1 1
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 BK BK BK BK
POP 12HR 90 90 100 90 40
QPF 12HR 0.20 0.25 0.30 0.20 0.04
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 C
SNOWSHWRS L L D D C C S S S
TSTMS C S S S S S C C C S S S S S C C S
OBVIS PF PF PF PF PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 43 29 48 31 49 31 49 31 50
TEMP 36 43 34 30 43 44 34 32 44 44 34 32 44 45 34 32 45 46
DEWPT 35 33 31 30 32 28 29 27 27 27 28 27 27 26 27 26 26 26
PWIND DIR W N S NE S S S N SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK SC SC FW FW FW FW FW SC FW SC FW FW FW FW FW FW FW
POP 12HR 30 5 0 0 20 10 10 10 10
RAIN SHWRS C S S S
SNOWSHWRS S
TSTMS S S S S
WYZ023-181000-
AFTON-LINCOLN WY
42.71N 110.94W ELEV. 6201 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 41 70 37 61 31
TEMP 60 64 55 49 46 43 48 64 68 63 52 47 45 40 42 55 60 55 47 42 37 33
DEWPT 54 54 50 49 46 43 48 52 51 53 50 47 45 40 42 49 47 47 45 42 37 33
RH 81 70 83100100100100 65 54 70 93100100100100 80 62 74 93100100100
WIND DIR SE S S SE SE S S S S E W N N N N N W NW NW N N N
WIND SPD 3 4 6 5 2 1 1 3 4 3 4 0 0 0 0 0 3 3 1 0 0 0
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 BK BK SC BK
POP 12HR 60 80 90 80 50
QPF 12HR 0.07 0.23 0.22 0.10 0.02
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C L C C L C D C C C C C D D C C
TSTMS C C C S S C C C S S S S S C C S
OBVIS PF PF PF PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 32 71 35 71 36 72 36 73
TEMP 55 68 43 35 63 67 44 36 64 67 44 36 65 68 45 36 66 69
DEWPT 48 44 42 35 44 40 40 36 41 40 40 36 41 39 39 36 41 40
PWIND DIR NW NE W S W S S NE S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC FW FW SC SC SC FW SC FW FW FW FW FW FW CL
POP 12HR 10 0 0 0 20 5 10 10 10
RAIN SHWRS S
TSTMS S
WYZ004-181000-
POWELL-PARK WY
44.87N 108.79W ELEV. 5092 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 54 75 53 60 48
TEMP 72 70 60 59 55 55 61 71 74 66 56 56 55 55 55 56 59 54 48 50 50 50
DEWPT 38 46 45 46 45 43 45 46 44 49 50 52 51 49 50 50 49 50 47 47 47 45
RH 29 42 58 62 69 64 56 41 34 54 80 86 86 80 83 80 69 86 96 89 89 83
WIND DIR SE S S S SE SE E E SE SW NW NW NW NW NW N N N NW NW NW NW
WIND SPD 13 11 9 8 5 4 4 4 8 12 14 17 14 14 11 9 12 16 16 13 9 6
WIND GUST 23 19 16 20 24 25 23 23 16 21 25 25 23 16
CLOUDS BK OV SC FW FW FW FW FW SC OV OV OV OV BK OV SC BK BK OV OV OV OV
POP 12HR 20 50 90 90 70
QPF 12HR 0 0.01 0.31 0.31 0.16
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S C D D S D L L D D L L L L L
TSTMS S C C S S S S S C C S S
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 61 48 69 50 72 50 73 50 73
TEMP 55 61 52 48 61 65 54 50 65 68 55 50 65 68 55 50 66 69
DEWPT 48 47 45 42 44 43 41 38 40 39 37 36 38 38 36 36 37 37
PWIND DIR NW W SE SE SE SW NE NW SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK BK SC SC FW FW FW FW FW FW FW SC FW CL CL FW SC FW
POP 12HR 60 10 0 0 0 5 5 5 5
RAIN SHWRS L C S
TSTMS S S
WYZ004-181000-
COWLEY-BIG HORN WY
44.91N 108.45W ELEV. 4090 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 54 80 54 66 48
TEMP 73 74 67 63 57 55 61 74 79 74 65 60 57 55 56 61 65 62 57 54 51 49
DEWPT 44 49 50 51 50 50 51 53 50 53 54 55 56 55 55 56 55 54 52 51 51 49
RH 35 41 54 65 77 83 70 48 36 48 68 84 96100 96 84 70 75 83 90100100
WIND DIR SE W S E NE NE E SE SE SE W NW NW NW NW NW NW N NW NW NW NW
WIND SPD 10 9 5 4 3 2 2 2 4 10 12 9 8 5 4 2 4 12 12 11 8 5
WIND GUST 21 19 12 20 21 16 9 13 21 21 19 14
CLOUDS BK OV BK FW FW FW FW CL SC BK OV OV BK BK OV BK SC BK BK BK OV OV
POP 12HR 20 30 100 90 70
QPF 12HR 0 0 0.25 0.29 0.14
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S C L D L D D D D D L L L L L
TSTMS S S C S S S S S C C S S
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 48 72 50 77 50 77 50 78
TEMP 57 66 55 48 65 70 57 50 69 74 58 50 69 74 58 50 70 75
DEWPT 52 52 50 48 51 48 45 43 46 45 43 42 45 44 41 41 44 43
PWIND DIR NW NE SE SE SE NE E NW SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS OV BK SC SC SC FW FW FW FW FW FW SC FW CL CL FW FW FW
POP 12HR 70 20 0 0 0 5 5 5 5
RAIN SHWRS L C S
TSTMS S S
WYZ016-181000-
DUBOIS-FREMONT WY
43.55N 109.69W ELEV. 7291 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 44 66 42 59 39
TEMP 59 61 51 47 45 45 53 64 64 59 51 48 46 43 44 54 58 55 45 43 40 39
DEWPT 46 48 44 42 42 41 45 42 40 42 43 42 44 42 42 39 37 37 37 38 38 38
RH 62 62 77 83 89 86 74 45 41 53 74 80 93 96 93 57 45 51 73 82 92 96
WIND DIR W N NW NW NW W NW W N SE W NW W W W W 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 9 6 6 8
WIND GUST 14 11 11 16 12 14 18 18 16
CLOUDS OV BK SC SC SC SC SC BK BK OV OV BK SC BK SC SC SC BK BK BK BK BK
POP 12HR 50 80 80 70 60
QPF 12HR 0.03 0.17 0.15 0.13 0.16
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L C C C S L L C D C L L L L L L C C C
TSTMS C S S C C S S S S S C C S
OBVIS PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 60 36 65 38 66 38 67 39 68
TEMP 52 60 45 37 58 62 45 39 62 63 45 39 62 64 46 39 62 65
DEWPT 38 36 37 35 36 33 34 32 31 30 32 32 31 29 32 32 32 30
PWIND DIR W W W W SW W W W SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK SC BK SC FW FW SC FW SC SC SC FW FW FW SC FW FW FW
POP 12HR 40 10 5 5 20 10 10 10 10
RAIN SHWRS C C S S S S S S
TSTMS S S S S S S S
WYZ027-181000-
KEMMERER-LINCOLN WY
41.83N 110.56W ELEV. 7285 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 43 65 39 60 33
TEMP 64 64 55 49 46 44 51 62 63 61 52 47 43 41 44 55 59 56 47 41 36 34
DEWPT 46 49 49 46 46 44 47 47 44 47 47 46 43 41 44 41 39 39 39 38 36 34
RH 52 58 80 89100100 86 58 50 60 83 96100100100 59 47 53 74 89100100
WIND DIR SW NE NE E N NE S S S NW SW W W W W 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 8 6 5 6
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 SC SC FW FW
POP 12HR 60 80 70 40 10
QPF 12HR 0.08 0.20 0.10 0 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 S
TSTMS C C S S S C C C S S C S S S
OBVIS PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 63 34 67 38 67 37 69 38 70
TEMP 54 63 45 35 59 65 48 39 62 64 46 37 62 67 48 39 64 68
DEWPT 39 37 38 35 39 33 35 34 35 33 36 34 35 32 35 34 35 32
PWIND DIR W NW NW NW W W W N E
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC FW SC FW FW CL SC FW FW CL
POP 12HR 5 0 0 0 20 10 5 5 5
RAIN SHWRS S S
TSTMS S
WYZ023-181000-
ALPINE-LINCOLN WY
43.18N 111.04W ELEV. 5634 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 48 69 45 60 40
TEMP 60 66 59 54 51 49 51 64 67 64 55 53 50 47 46 56 60 57 52 48 46 43
DEWPT 55 56 54 53 51 49 51 54 54 56 53 53 50 47 46 50 49 50 49 48 46 43
RH 84 70 83 96100100100 70 63 75 93100100100100 80 67 77 89100100100
WIND DIR SE SE E E E E E S W E W S N N S W W W S N N N
WIND SPD 2 3 6 6 4 3 4 2 2 2 4 2 0 0 1 1 2 2 2 0 0 0
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 BK BK BK BK
POP 12HR 80 80 100 80 40
QPF 12HR 0.18 0.21 0.29 0.17 0.01
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 C L L L D D C C
TSTMS C S C S S S S C C C S S S S S S C S
OBVIS PF PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 69 40 71 42 71 42 72 42 73
TEMP 57 69 51 42 64 69 52 42 66 69 52 43 66 70 52 42 67 72
DEWPT 49 46 47 42 46 41 44 42 42 40 44 42 42 39 43 42 42 40
PWIND DIR W NE S N S S S NE SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK SC SC FW FW FW FW SC SC FW SC SC FW FW FW FW FW FW
POP 12HR 10 0 0 0 10 5 10 5 10
RAIN SHWRS S S S
TSTMS S S S
WYZ023-181000-
COKEVILLE-LINCOLN WY
42.05N 110.97W ELEV. 6270 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 40 68 35 61 29
TEMP 67 67 55 49 46 42 49 65 68 63 52 47 45 40 43 56 61 58 48 42 36 32
DEWPT 50 53 50 49 46 42 49 52 49 51 49 47 45 40 43 47 44 45 43 42 36 32
RH 54 61 83100100100100 63 51 65 89100100100100 72 53 62 83100100100
WIND DIR N NE SE W S S S S SE NE S W S SE NW W W NW NW NW N NE
WIND SPD 4 4 4 4 3 3 3 5 6 4 4 3 1 1 2 4 8 8 3 1 1 1
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 SC SC SC SC
POP 12HR 70 80 80 50 20
QPF 12HR 0.14 0.26 0.15 0.04 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L L C C S S C C C D C C S C C C C S S
TSTMS C C S S S S C C C S S S S S S S S
OBVIS PF PF PF PF PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 67 29 70 33 70 32 72 33 73
TEMP 56 67 44 34 61 67 45 34 64 67 45 33 65 70 46 34 66 71
DEWPT 45 43 41 34 43 40 38 34 41 40 38 33 41 39 37 34 41 39
PWIND DIR NW N S NE S S S N SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW FW FW SC SC FW SC FW FW CL FW FW FW CL
POP 12HR 0 0 0 0 20 5 5 5 5
RAIN SHWRS S
TSTMS S
WYZ028-181000-
GREEN RIVER-SWEETWATER WY
41.46N 109.49W ELEV. 7182 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 49 75 45 67 39
TEMP 75 72 62 57 53 50 57 69 73 69 59 54 49 46 51 62 66 61 53 49 43 39
DEWPT 43 50 51 50 50 47 50 54 51 51 50 49 47 46 47 48 46 46 43 42 39 38
RH 32 46 67 77 89 89 77 59 46 53 72 83 93100 86 60 48 58 69 77 86 96
WIND DIR W E SE SE SE SE S NE S S SW SW SW SW SW W W W W SW SW W
WIND SPD 3 5 2 4 3 1 2 3 6 8 3 4 2 2 3 6 10 10 5 4 3 3
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 BK SC SC SC
POP 12HR 60 70 70 60 20
QPF 12HR 0.04 0.08 0.09 0.03 0.01
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C C S C L L S S S S L L S S S S
TSTMS S C S S C C S S C S
OBVIS PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 67 40 73 45 73 43 75 44 77
TEMP 60 67 51 40 64 70 54 45 66 69 53 43 68 72 55 44 69 74
DEWPT 45 42 40 38 44 38 38 37 42 40 40 37 42 39 38 37 43 39
PWIND DIR W SW SW SW SW SW SW S E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC FW SC SC BK FW SC FW SC FW SC FW FW FW
POP 12HR 5 0 0 5 20 30 5 5 0
RAIN SHWRS S S C
TSTMS S S
WYZ017-181000-
SHOSHONI-FREMONT WY
43.25N 108.12W ELEV. 4817 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 53 80 53 70 48
TEMP 71 71 64 60 56 54 61 73 79 75 63 60 57 54 57 65 69 67 59 55 51 48
DEWPT 50 51 54 54 52 51 52 54 49 54 54 56 54 54 54 56 51 51 51 51 49 48
RH 47 49 70 81 86 90 72 51 35 48 72 87 90100 90 73 53 56 75 86 93100
WIND DIR SE N E E S SE SE SW SE SW SE W N S NW S NW W N N NW W
WIND SPD 6 5 4 3 3 3 2 2 3 6 6 4 4 3 3 2 3 8 6 5 4 4
WIND GUST 13 12 10 14 11 14 13
CLOUDS BK SC FW FW SC SC SC FW SC BK BK BK BK BK BK FW FW SC BK OV OV OV
POP 12HR 20 30 90 50 90
QPF 12HR 0.02 0.02 0.09 0.04 0.21
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S S D C C C C C C D D D D L
TSTMS S S C S S S S S S S S S
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 47 73 49 77 50 79 49 81
TEMP 58 66 55 47 66 72 58 49 70 75 59 50 71 77 60 50 72 79
DEWPT 50 50 49 46 50 45 44 42 45 42 42 41 44 41 41 40 43 40
PWIND DIR NW NE SE E S SW SW E SE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS BK SC SC SC FW FW FW FW SC SC SC SC FW CL FW FW FW CL
POP 12HR 60 10 0 0 0 20 0 5 5
RAIN SHWRS L C S S
TSTMS S S S S
WYZ005-181000-
THERMOPOLIS-HOT SPRINGS WY
43.66N 108.21W ELEV. 4592 FT
246 PM MDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 53 81 52 68 45
TEMP 69 72 66 61 57 54 64 77 81 75 63 59 56 54 57 63 67 64 58 54 49 46
DEWPT 51 51 52 52 50 48 50 52 51 55 54 55 54 53 53 55 55 54 52 51 49 46
RH 53 48 61 72 77 80 60 42 35 50 72 87 93 96 86 75 65 70 80 90100100
WIND DIR S SW SE S S S SW SW S S NE NW N N N N N N N NW NW NW
WIND SPD 13 9 8 8 6 3 3 4 5 8 6 4 2 1 2 4 6 10 9 4 3 2
WIND GUST 16
CLOUDS BK SC SC SC SC FW CL FW SC BK BK OV BK BK BK SC SC SC OV OV OV OV
POP 12HR 10 40 90 70 90
QPF 12HR 0 0.01 0.15 0.09 0.27
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C D D L C L L L L D D D D L
TSTMS S C S S S S S C S S S
OBVIS PF
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 45 74 48 78 49 79 49 80
TEMP 58 66 55 46 67 72 57 48 71 75 59 49 71 76 59 49 73 78
DEWPT 50 51 48 45 49 48 44 41 45 44 41 40 44 43 40 39 43 42
PWIND DIR N W S SE S S SW W S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS OV BK SC SC FW FW FW FW SC SC SC FW FW CL FW FW FW FW
POP 12HR 70 20 0 0 0 10 0 5 0
RAIN SHWRS L C S
TSTMS 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page