691
FOUS55 KRIW 210731
PFMRIW
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU MAY 21 2026
WYZ020-221000-
CASPER-NATRONA WY
42.91N 106.46W ELEV. 5530 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 31 53 32 60 33
TEMP 40 36 47 50 47 42 38 37 36 34 41 51 58 59 48 42 38 34
DEWPT 30 30 34 38 38 38 35 35 34 31 30 35 30 28 30 30 28 24
RH 67 79 60 63 71 86 89 92 92 89 65 54 34 30 49 62 67 66
WIND DIR NW N W SW NW N N NW W SW W W W W SE S S SW
WIND SPD 4 2 3 13 16 16 10 9 6 9 11 11 11 9 4 5 4 8
WIND GUST 28 25 17 18 19
CLOUDS SC SC BK OV BK OV OV OV BK FW BK BK SC SC SC SC SC SC
POP 12HR 0 70 50 10 0
QPF 12HR 0 0.04 0.13 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C L C C C S
SNOWSHWRS S C S
TSTMS C C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 71 39 80 45 83 47 79 46 77
TEMP 63 70 48 41 73 77 54 49 79 80 56 50 76 74 54 49 73 74
DEWPT 34 33 34 28 37 35 39 36 37 35 39 36 38 40 43 39 36 34
PWIND DIR SW SW SW SW SW S SW SE S
WIND CHAR GN LT BZ GN GN GN GN GN GN
AVG CLOUDS FW FW FW CL CL FW FW FW FW FW SC SC SC SC BK BK SC SC
POP 12HR 0 0 0 20 0 0 30 40 20
RAIN SHWRS S C C S
TSTMS S C S S
WYZ017-221000-
RIVERTON-FREMONT WY
43.06N 108.46W ELEV. 5525 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 37 49 32 62 37
TEMP 46 44 48 44 44 43 41 39 35 32 42 55 60 62 54 47 41 38
DEWPT 32 34 36 34 35 34 34 33 30 27 26 31 25 24 28 30 29 28
RH 58 68 63 68 70 70 76 79 82 81 53 40 26 23 36 51 62 67
WIND DIR E E N N N N N W W W SW SE SE SE E SW W W
WIND SPD 4 6 9 16 24 17 5 3 5 5 2 5 6 9 9 5 6 6
WIND GUST 16 24 25 31 25
CLOUDS OV OV OV OV OV BK BK SC FW FW FW FW FW SC SC SC SC FW
POP 12HR 30 40 30 0 0
QPF 12HR 0 0.05 0.02 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C C C S
TSTMS S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 73 43 80 46 84 47 80 47 78
TEMP 65 73 54 44 73 79 59 48 78 80 61 51 76 76 60 50 72 76
DEWPT 30 28 35 32 35 33 38 35 34 31 37 36 34 33 37 37 31 25
PWIND DIR SW SW SW W SW S SW S S
WIND CHAR LT GN GN GN GN GN BZ BZ BZ
AVG CLOUDS FW FW FW CL FW FW FW FW CL FW SC FW FW SC BK SC SC FW
POP 12HR 0 0 5 0 5 5 10 20 20
RAIN SHWRS S S S
TSTMS S S
WYZ018-221000-
LANDER-FREMONT WY
42.82N 108.73W ELEV. 5586 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 48 31 61 36
TEMP 46 43 47 45 41 40 40 37 34 32 40 53 59 60 51 44 40 37
DEWPT 33 34 37 36 36 34 34 30 27 24 26 32 30 30 31 29 28 26
RH 60 70 68 70 82 79 79 75 75 72 57 44 33 32 46 55 62 64
WIND DIR SW S N N NW NW W W W SW N E E SE SW SW SW SW
WIND SPD 5 3 5 8 10 11 4 6 5 5 0 4 4 5 4 6 5 5
WIND GUST 12 17 18 12
CLOUDS OV OV OV OV OV OV BK SC FW FW FW FW SC SC BK SC SC FW
POP 12HR 30 90 70 5 0
QPF 12HR 0 0.24 0.05 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C C L D L S
TSTMS S S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 72 43 80 46 81 48 77 47 76
TEMP 63 71 52 44 71 76 57 48 75 79 60 51 72 74 59 49 69 75
DEWPT 33 32 31 28 37 37 36 33 36 35 35 33 35 35 36 35 31 26
PWIND DIR W W W SW SW SW SW SW S
WIND CHAR LT GN LT GN LT GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW SC SC SC SC BK SC SC FW
POP 12HR 0 0 5 0 10 5 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S S S
WYZ028-221000-
ROCK SPRINGS-SWEETWATER WY
41.61N 109.07W ELEV. 6760 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 32 50 29 56 32
TEMP 41 39 44 49 49 44 37 36 33 30 35 46 53 55 48 42 35 32
DEWPT 26 25 33 32 31 31 32 29 29 27 27 31 27 23 27 27 26 25
RH 55 57 65 52 50 60 82 75 85 88 72 55 36 29 44 55 69 75
WIND DIR SW NW W W W N NE E SE SE SE S W W W S S SW
WIND SPD 5 6 9 16 18 16 13 4 5 4 2 2 3 4 3 3 3 2
WIND GUST 16 26 26 24 11
CLOUDS OV OV BK BK SC BK BK SC SC FW SC SC SC SC SC SC FW FW
POP 12HR 20 70 60 0 0
QPF 12HR 0 0.05 0.03 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C L L C L
SNOWSHWRS S S
TSTMS S C C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 39 74 42 77 45 72 42 72
TEMP 59 67 49 39 69 70 53 43 73 73 55 46 68 69 53 43 67 70
DEWPT 27 23 27 27 29 33 33 32 28 30 31 31 30 29 30 30 23 19
PWIND DIR W SW SW SW SW S S S S
WIND CHAR GN LT GN GN LT GN BZ BZ BZ
AVG CLOUDS CL FW FW FW FW FW SC FW FW FW SC SC SC SC SC SC SC FW
POP 12HR 0 0 5 10 20 10 5 5 5
RAIN SHWRS S
TSTMS S
WYZ026-221000-
BIG PINEY-SUBLETTE WY
42.58N 110.11W ELEV. 6990 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 28 51 25 59 26
TEMP 34 34 43 48 49 47 39 34 28 26 34 48 55 57 47 39 31 27
DEWPT 25 28 33 28 30 31 29 29 25 23 26 28 25 26 26 27 23 21
RH 69 78 67 46 48 53 67 82 88 88 72 46 31 30 43 62 72 78
WIND DIR W S W NW NW N NW W NW N N S S SW SE NW NW NW
WIND SPD 6 8 8 18 20 19 9 1 3 2 0 3 5 9 5 3 3 2
WIND GUST 13 25 10 12
CLOUDS OV BK BK BK SC SC SC FW FW FW SC SC SC BK BK SC FW CL
POP 12HR 20 60 60 5 0
QPF 12HR 0 0.12 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S L L C L
SNOWSHWRS S S S L
TSTMS S S C C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 31 75 33 75 35 70 33 69
TEMP 60 68 44 32 67 70 47 36 70 72 49 38 66 67 47 36 64 67
DEWPT 26 25 28 23 30 32 33 30 29 28 30 29 28 29 31 28 24 22
PWIND DIR W W W W SW S S SE SE
WIND CHAR LT LT GN LT GN GN GN GN BZ
AVG CLOUDS CL FW FW FW FW SC FW FW FW FW SC FW SC BK SC SC SC FW
POP 12HR 0 0 10 10 10 5 10 20 10
RAIN SHWRS S S S S S
TSTMS S S S S
WYZ025-221000-
PINEDALE-SUBLETTE WY
42.80N 109.81W ELEV. 7086 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 30 48 26 56 28
TEMP 33 33 40 44 44 43 40 33 29 27 35 47 54 56 48 39 33 29
DEWPT 26 30 34 31 30 31 33 29 26 24 28 27 22 24 29 28 26 24
RH 75 89 79 60 57 62 76 85 88 88 75 45 28 29 47 64 75 81
WIND DIR SW SE W NW NW N SE N NE SE SE S W W NE NE NE N
WIND SPD 5 8 6 13 19 11 1 2 3 1 2 1 4 5 2 2 1 0
WIND GUST 8 11
CLOUDS OV OV OV OV BK BK SC FW FW SC SC SC SC BK SC SC FW FW
POP 12HR 40 80 60 5 0
QPF 12HR 0.01 0.12 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C L C D L
SNOWSHWRS S C L C S L
TSTMS S S C C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 32 71 34 73 36 69 35 69
TEMP 59 66 43 33 66 68 46 38 69 70 49 40 66 66 47 38 64 67
DEWPT 26 26 29 25 31 33 33 31 30 29 31 30 28 29 31 30 24 21
PWIND DIR W W W N S S S SE SE
WIND CHAR LT LT GN LT GN GN GN GN BZ
AVG CLOUDS CL FW FW FW FW SC SC FW FW SC SC FW SC BK SC SC SC FW
POP 12HR 0 0 20 20 20 5 20 30 10
RAIN SHWRS S S S S C S S
TSTMS S S S S S S
WYZ013-221000-
JACKSON-TETON WY
43.60N 110.73W ELEV. 6451 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 31 49 25 61 32
TEMP 35 33 40 43 45 47 40 33 29 27 38 53 59 59 49 42 36 33
DEWPT 29 30 34 34 32 31 29 26 24 23 25 25 21 22 27 27 26 26
RH 78 89 79 70 60 53 64 75 81 85 59 33 23 24 42 55 67 75
WIND DIR SE SW SW N N N N N N N S SW W W SE E E E
WIND SPD 3 4 3 3 8 4 4 4 2 0 1 3 4 5 1 2 3 3
WIND GUST 11 19 14 12
CLOUDS OV OV BK OV BK SC FW CL CL SC FW FW SC FW SC SC FW FW
POP 12HR 80 90 30 0 0
QPF 12HR 0.09 0.09 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L L C D D C
SNOWSHWRS L C
TSTMS S S C C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 71 38 75 40 78 41 72 38 72
TEMP 62 70 50 39 69 73 52 42 73 76 54 42 69 69 50 40 66 69
DEWPT 27 25 30 29 32 34 35 32 31 33 33 31 30 34 35 32 29 29
PWIND DIR SW S SW S S S SW SE S
WIND CHAR GN LT GN GN GN LT GN LT GN
AVG CLOUDS CL CL FW FW FW SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR 0 0 20 5 10 5 30 30 30
RAIN SHWRS S S C C S S C
TSTMS S S C S C
WYZ001-221000-
LAKE YELLOWSTONE-TETON WY
44.55N 110.42W ELEV. 7835 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 27 42 21 52 28
TEMP 30 29 33 37 40 39 33 28 23 22 33 46 50 50 41 36 31 29
DEWPT 28 27 28 27 27 24 25 24 21 20 23 21 20 22 27 29 27 27
RH 92 92 82 67 59 54 72 85 92 92 66 37 30 33 57 75 85 92
WIND DIR NW NW N N N N N N N NW N N N N N N N N
WIND SPD 2 5 10 12 11 10 5 3 2 1 0 0 0 0 0 0 0 0
WIND GUST 19 23 20 18 12 8 12 12
CLOUDS OV OV OV OV SC SC FW FW SC BK SC SC SC SC SC SC SC FW
POP 12HR 70 80 20 0 5
QPF 12HR 0.18 0.06 0 0 0
SNOW 12HR 1 1 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS L L D L S S
TSTMS S S S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 32 65 36 66 37 62 35 61
TEMP 53 59 41 33 59 63 45 38 62 64 46 39 59 58 44 37 57 59
DEWPT 26 28 31 27 30 31 34 31 30 31 34 31 29 34 36 32 29 30
PWIND DIR SW SW SW SW SW S S SE S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC FW FW SC SC FW FW FW SC SC SC BK SC SC SC SC
POP 12HR 0 0 10 5 5 20 30 40 30
RAIN SHWRS S S S C C S S C
TSTMS S S S S C
WYZ003-221000-
CODY-PARK WY
44.52N 109.02W ELEV. 5102 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 35 47 33 63 40
TEMP 43 38 37 37 44 45 43 39 37 35 45 55 61 61 53 48 44 41
DEWPT 38 35 35 35 35 33 34 32 27 26 25 31 29 30 32 32 28 27
RH 82 89 92 92 70 62 70 76 67 69 45 40 29 31 44 54 53 57
WIND DIR N N N N N N NW SW SW SW N E E NE S SW SW SW
WIND SPD 11 11 17 23 17 14 4 5 5 6 0 6 8 10 4 5 6 6
WIND GUST 19 19 28 35 26 21 6 13 16 17
CLOUDS OV OV OV OV BK SC SC FW FW CL FW FW FW SC SC SC FW FW
POP 12HR 80 90 10 0 0
QPF 12HR 0.14 0.21 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L D D D C
SNOWSHWRS D D
TSTMS S S S
WIND CHILL 26
MIN CHILL 31 26 30 29
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 72 48 81 53 82 54 79 52 76
TEMP 66 71 56 49 75 77 61 55 80 78 62 55 76 74 60 54 71 74
DEWPT 33 33 34 29 35 34 36 33 34 34 35 33 34 35 39 37 37 32
PWIND DIR SW SW W SW SW SW N NW NE
WIND CHAR LT GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW SC FW SC SC FW SC FW FW SC SC SC SC SC BK SC SC
POP 12HR 5 0 5 0 10 5 20 40 40
RAIN SHWRS S S C C S C
TSTMS S S S C
WYZ004-221000-
GREYBULL-BIG HORN WY
44.52N 108.08W ELEV. 3939 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 53 34 66 38
TEMP 48 44 44 46 49 50 48 43 39 35 42 56 63 65 58 50 44 39
DEWPT 39 39 39 39 37 34 35 36 35 32 33 35 29 26 31 32 30 29
RH 71 82 82 76 63 54 60 76 85 89 70 45 27 23 36 50 57 67
WIND DIR NW NW NW NW NW NW NW NW NW S S S NW N E E N N
WIND SPD 14 9 9 18 23 23 14 9 4 2 3 1 3 3 3 4 0 0
WIND GUST 21 17 32 33 23
CLOUDS OV OV OV OV OV BK SC SC FW FW FW FW FW FW SC SC SC FW
POP 12HR 60 70 10 0 0
QPF 12HR 0.02 0.28 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C L L L C
TSTMS S S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 76 44 85 48 88 51 86 50 83
TEMP 67 76 58 45 76 83 63 50 83 86 65 53 83 84 65 52 76 81
DEWPT 33 32 37 33 37 34 40 38 37 35 38 37 37 35 42 40 37 31
PWIND DIR SE SE S SE S SE S S S
WIND CHAR LT LT LT LT LT GN GN BZ GN
AVG CLOUDS FW CL FW FW FW FW FW FW CL CL SC FW FW SC SC SC SC FW
POP 12HR 0 0 0 0 5 5 5 30 10
RAIN SHWRS C
TSTMS S
WYZ006-221000-
WORLAND-WASHAKIE WY
43.97N 107.95W ELEV. 4227 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 50 34 65 36
TEMP 47 43 45 42 44 47 45 42 38 35 43 56 61 63 56 48 42 37
DEWPT 37 37 38 38 37 35 37 36 34 31 31 34 28 26 28 30 28 27
RH 68 79 76 86 76 63 73 79 85 85 62 43 28 24 34 49 57 67
WIND DIR NW NW NW NW NW NW NW NW W SW N N N NE E SE SE S
WIND SPD 3 8 8 14 17 16 10 4 1 2 0 2 4 6 4 5 4 3
WIND GUST 11 21 25 24 21 11
CLOUDS OV OV OV OV OV BK BK SC FW CL FW FW FW FW SC SC SC FW
POP 12HR 30 70 20 0 0
QPF 12HR 0.01 0.18 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C L L C S
TSTMS S S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 76 42 84 47 87 49 84 49 82
TEMP 67 75 55 44 76 82 60 49 83 85 63 52 82 82 62 51 76 80
DEWPT 33 30 34 32 36 34 39 37 35 31 37 36 34 34 41 39 34 28
PWIND DIR SE SE SW S S S S SW S
WIND CHAR LT LT LT LT LT GN GN BZ GN
AVG CLOUDS CL CL FW FW CL FW FW FW CL FW SC SC FW SC SC SC SC SC
POP 12HR 0 0 5 0 0 0 10 30 5
RAIN SHWRS S C
TSTMS S S
WYZ005-221000-
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY
43.71N 108.39W ELEV. 4902 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 34 48 32 63 37
TEMP 42 41 42 41 43 45 41 38 35 33 44 55 61 62 54 47 42 38
DEWPT 33 36 38 37 38 35 33 31 29 28 30 32 31 29 30 30 29 27
RH 70 82 86 85 82 68 73 76 78 82 57 41 32 28 40 51 60 64
WIND DIR N N N N N N NW W W W N SE E E SE SW SW SW
WIND SPD 2 5 8 18 23 16 10 10 8 3 2 4 5 6 3 2 3 3
WIND GUST 17 27 32 25 18
CLOUDS OV OV OV OV OV BK BK FW FW CL FW FW FW SC SC SC SC FW
POP 12HR 30 70 20 0 0
QPF 12HR 0.01 0.15 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C L L C S
TSTMS S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 73 43 81 47 84 48 81 47 79
TEMP 66 73 54 45 75 79 60 52 80 82 61 53 78 78 59 51 72 77
DEWPT 32 34 33 28 35 35 37 34 34 33 37 35 34 35 40 38 34 32
PWIND DIR SE SW SW W SW SW S SW S
WIND CHAR LT LT LT LT GN GN BZ BZ GN
AVG CLOUDS FW FW FW FW FW SC SC FW FW FW SC FW SC SC BK SC SC SC
POP 12HR 0 0 10 20 5 5 10 20 10
RAIN SHWRS S S S S S
TSTMS S S S S
WYZ010-221000-
BUFFALO-JOHNSON WY
44.38N 106.72W ELEV. 4968 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 37 44 35 60 37
TEMP 43 40 43 40 39 40 40 40 37 36 46 54 57 58 48 43 41 38
DEWPT 34 34 38 37 35 34 34 32 28 27 26 30 30 30 31 29 26 23
RH 70 79 82 89 85 79 79 73 70 69 45 40 35 34 51 57 55 54
WIND DIR NW NW N N N N NW NW NW NW N N N N W SW SW SW
WIND SPD 6 5 10 14 23 20 13 10 8 6 4 9 6 6 3 5 5 4
WIND GUST 24 34 31 25 18
CLOUDS SC BK OV OV OV OV OV BK SC FW SC SC SC SC SC SC SC FW
POP 12HR 10 80 60 5 0
QPF 12HR 0 0.13 0.04 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C D L C C C S
SNOWSHWRS S
TSTMS S S S
WIND CHILL 28
MIN CHILL 28 31 30
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 70 44 80 48 83 52 81 51 76
TEMP 64 69 51 45 74 77 58 52 80 80 63 57 78 75 62 54 71 73
DEWPT 31 33 30 26 32 32 32 31 33 31 33 32 35 36 39 37 37 35
PWIND DIR E W NW W SW SW S SW S
WIND CHAR LT LT LT LT GN GN BZ BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW SC SC SC BK BK SC SC
POP 12HR 10 0 0 0 5 5 20 30 30
RAIN SHWRS S C C
TSTMS S S C
WYZ012-221000-
RENDEZVOUS MOUNTAIN-TETON WY
43.59N 110.89W ELEV. 10318 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 21 30 14 34 20
TEMP 30 26 26 27 27 27 23 21 19 18 20 26 29 32 27 25 23 21
DEWPT 27 23 23 24 23 22 19 14 11 9 14 17 18 20 19 16 16 15
RH 88 88 88 88 85 81 84 74 70 67 77 68 63 61 71 68 74 77
WIND DIR W W NW NW N N N N N N S SW W W SW N E SE
WIND SPD 9 11 11 12 13 10 5 4 4 2 5 5 5 6 4 5 8 9
WIND GUST 19 21 18 12 13
CLOUDS OV OV BK OV OV SC FW CL CL FW FW FW SC FW SC SC FW FW
POP 12HR 90 90 20 0 0
QPF 12HR 0.15 0.10 0.01 0 0
SNOW 12HR 2 1 T 00-00 00-00
SNOWSHWRS D D D D D S
TSTMS S S C C S
WIND CHILL 15 15 16 16
MIN CHILL 15 15 16 15 12 4 23 18 11
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 42 28 46 32 54 31 49 29 48
TEMP 34 41 33 29 39 43 36 32 42 44 38 31 39 39 33 29 37 39
DEWPT 20 23 19 20 25 28 25 24 25 27 23 22 24 28 25 23 23 25
PWIND DIR SW SW SW S S S SW N SE
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS CL CL FW FW FW SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR 0 0 20 20 10 5 30 30 30
RAIN SHWRS S S S C C S S C
SNOWSHWRS S S S C
TSTMS S S S C S C
WYZ023-221000-
AFTON-LINCOLN WY
42.71N 110.94W ELEV. 6201 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 31 49 27 62 30
TEMP 35 34 39 44 47 46 40 33 29 28 37 54 60 61 49 39 34 31
DEWPT 28 31 35 33 32 33 31 28 26 25 28 29 27 29 30 30 27 26
RH 75 89 85 65 56 60 70 82 88 88 70 38 28 29 48 70 75 81
WIND DIR SW SE N NW N N N S SE SE N W N NW N SE SE SE
WIND SPD 2 1 2 11 17 4 0 1 1 1 0 1 0 2 0 2 2 1
WIND GUST 13 14 26 11
CLOUDS BK BK BK BK OV SC FW CL FW FW FW SC SC SC SC FW CL CL
POP 12HR 40 90 60 0 0
QPF 12HR 0.02 0.16 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C L C D L
SNOWSHWRS S S
TSTMS S S C C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 71 35 75 38 78 38 72 36 71
TEMP 64 70 45 36 70 71 47 39 73 75 49 40 68 69 45 36 65 68
DEWPT 31 32 32 29 37 39 35 33 34 32 33 32 34 35 34 32 32 32
PWIND DIR W S SW S S S S SE S
WIND CHAR LT LT LT LT LT GN GN GN GN
AVG CLOUDS FW FW FW FW FW SC SC SC FW SC SC SC SC SC SC SC SC SC
POP 12HR 0 0 20 20 5 0 20 10 20
RAIN SHWRS S S S S S S
TSTMS S S S S S
WYZ004-221000-
POWELL-PARK WY
44.87N 108.79W ELEV. 5092 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 48 35 60 41
TEMP 38 37 37 38 44 45 41 39 37 36 43 54 58 58 52 47 44 42
DEWPT 34 34 35 34 34 32 32 30 28 28 28 30 27 25 28 28 27 28
RH 85 89 92 85 68 60 70 70 70 72 55 40 30 28 39 47 51 57
WIND DIR N N N N N N N NW W W SE E E E SE S S S
WIND SPD 20 17 24 26 20 17 10 6 4 4 8 9 6 6 5 5 5 4
WIND GUST 28 24 33 35 28 24 17 14
CLOUDS OV OV OV OV OV BK SC FW FW CL FW FW FW CL SC SC SC FW
POP 12HR 80 80 10 0 0
QPF 12HR 0.19 0.20 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L D D L S
SNOWSHWRS S S
TSTMS S S
WIND CHILL 26 26
MIN CHILL 27 25 29
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 70 48 79 52 82 53 78 52 75
TEMP 64 69 55 49 72 77 60 54 77 78 62 55 75 74 59 54 69 73
DEWPT 31 31 32 31 32 32 34 32 33 31 33 33 32 32 38 37 35 30
PWIND DIR SE S S SW S S NE N NE
WIND CHAR LT LT GN GN GN GN BZ BZ BZ
AVG CLOUDS FW FW FW FW FW SC FW FW FW FW SC SC SC SC SC SC SC FW
POP 12HR 0 0 5 0 5 5 10 40 30
RAIN SHWRS C C C S
TSTMS S S
WYZ004-221000-
COWLEY-BIG HORN WY
44.91N 108.45W ELEV. 4090 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 52 35 65 41
TEMP 44 42 42 44 48 50 47 43 37 35 44 57 63 65 57 50 45 42
DEWPT 38 40 39 38 35 36 37 36 33 33 35 36 30 30 34 32 30 31
RH 79 93 89 79 60 58 68 76 85 92 70 45 29 27 42 50 55 65
WIND DIR NW N N NE N N NW NW NW NW SE SE SE E E SE SE E
WIND SPD 9 8 12 17 13 10 4 5 4 2 4 5 4 4 2 3 2 2
WIND GUST 17 23 31 23 18 11 12 11
CLOUDS OV OV OV OV OV BK SC FW CL CL FW FW SC CL SC SC SC FW
POP 12HR 80 90 10 0 0
QPF 12HR 0.14 0.22 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L D D L C
TSTMS S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 75 47 84 52 87 53 85 52 81
TEMP 67 75 58 48 75 82 63 53 81 84 65 55 80 80 63 54 74 79
DEWPT 35 34 34 34 38 35 38 38 37 35 37 37 37 36 41 41 39 35
PWIND DIR SE SE S S S S SE E E
WIND CHAR LT LT LT LT GN GN GN BZ GN
AVG CLOUDS FW FW FW FW FW SC SC FW CL CL SC FW SC SC SC SC SC FW
POP 12HR 0 0 0 5 5 5 10 40 20
RAIN SHWRS S C S S S
TSTMS S S S
WYZ016-221000-
DUBOIS-FREMONT WY
43.55N 109.69W ELEV. 7291 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 34 43 26 55 32
TEMP 36 35 39 41 40 41 37 31 27 26 36 49 53 53 44 37 34 33
DEWPT 28 30 32 31 32 28 29 25 20 19 21 23 22 22 27 25 24 24
RH 72 82 76 67 73 59 72 78 74 74 54 36 29 29 51 61 66 69
WIND DIR W W W NW NE NE SW W W W W W W W SW W W W
WIND SPD 5 3 8 8 10 10 1 4 4 5 5 6 10 9 4 5 6 8
WIND GUST 16 12 16 8 13 17 17
CLOUDS OV OV BK OV BK SC SC FW FW FW FW FW SC SC SC SC FW FW
POP 12HR 60 80 30 5 5
QPF 12HR 0.02 0.30 0.01 0 0
SNOW 12HR 00-00 T 00-00 00-00 00-00
RAIN SHWRS L S C S S C
SNOWSHWRS L L C D L C
TSTMS S S S C S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 38 69 41 71 42 67 41 67
TEMP 57 63 43 39 65 67 47 42 68 68 49 44 65 65 48 43 62 65
DEWPT 27 26 28 27 32 33 32 31 31 31 32 31 30 31 34 32 29 26
PWIND DIR W W W W SW SW SW S SE
WIND CHAR GN GN BZ GN GN LT GN GN GN
AVG CLOUDS CL FW FW FW FW SC FW FW CL SC SC FW FW SC SC SC SC FW
POP 12HR 0 0 20 5 30 5 30 40 30
RAIN SHWRS S C C C S C C
TSTMS S S C S C
WYZ027-221000-
KEMMERER-LINCOLN WY
41.83N 110.56W ELEV. 7285 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 31 51 28 57 30
TEMP 37 36 43 49 49 48 41 35 31 29 36 48 54 55 48 40 35 31
DEWPT 24 29 33 29 26 22 27 29 28 26 28 28 22 22 25 26 25 22
RH 59 75 67 46 40 35 57 78 88 88 72 46 28 27 40 57 66 69
WIND DIR NW W W NW NW NW N E SE SE SE SE SW W W W W NW
WIND SPD 4 4 18 19 24 21 8 4 3 2 3 3 4 4 2 1 1 1
WIND GUST 12 27 26 31 17 11
CLOUDS OV BK SC SC SC FW FW FW FW SC SC SC SC SC SC FW CL CL
POP 12HR 30 50 10 0 0
QPF 12HR 0.01 0.05 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C C C C
SNOWSHWRS S
TSTMS S C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 35 73 37 74 38 68 35 67
TEMP 61 67 46 36 69 71 49 41 72 70 51 42 66 66 48 38 63 65
DEWPT 25 27 27 23 30 31 33 30 28 29 32 29 28 30 31 28 25 24
PWIND DIR W W W SW SW S SW SW S
WIND CHAR GN LT GN LT LT LT GN GN GN
AVG CLOUDS CL FW FW FW FW FW FW FW FW SC SC SC SC BK SC SC FW FW
POP 12HR 0 0 0 0 5 5 10 5 10
WYZ023-221000-
ALPINE-LINCOLN WY
43.18N 111.04W ELEV. 5634 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 33 52 31 63 36
TEMP 39 37 40 46 48 50 46 39 34 32 41 56 61 63 54 46 40 37
DEWPT 32 35 35 39 35 33 33 33 31 29 30 29 28 29 33 33 32 31
RH 76 92 82 76 60 52 60 79 89 88 65 35 28 27 45 60 73 79
WIND DIR NW N NW NW NW NE NE E E E SE SW W W SE SE E E
WIND SPD 1 6 6 12 9 6 1 2 3 3 2 3 3 4 2 3 3 3
WIND GUST 10 16 16 10
CLOUDS OV OV BK BK BK SC FW CL FW SC FW SC SC SC SC FW FW CL
POP 12HR 70 80 60 0 0
QPF 12HR 0.05 0.08 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C D C C D L
TSTMS S S C C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 72 40 76 41 80 41 74 39 72
TEMP 64 72 52 41 69 74 54 44 72 76 55 44 68 71 51 42 65 69
DEWPT 31 30 35 32 37 38 40 36 36 34 37 36 34 35 39 36 33 33
PWIND DIR SW S SW S S S S S S
WIND CHAR LT LT LT LT GN GN GN LT LT
AVG CLOUDS CL FW FW FW FW SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR 0 0 20 5 10 5 30 20 30
RAIN SHWRS S C S S C
TSTMS S C S C
WYZ023-221000-
COKEVILLE-LINCOLN WY
42.05N 110.97W ELEV. 6270 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 30 53 26 60 28
TEMP 35 35 43 50 52 51 43 35 30 27 36 52 58 60 49 39 33 29
DEWPT 26 31 34 32 29 28 30 29 27 25 30 31 26 27 30 29 27 24
RH 69 85 70 50 41 41 60 78 88 92 79 44 29 28 48 67 78 81
WIND DIR E NW W NW NW N N N W SW SE S W NW NW SE SE E
WIND SPD 2 2 10 20 17 16 8 3 1 2 3 4 4 6 2 2 2 2
WIND GUST 17 25
CLOUDS OV BK SC SC SC SC FW CL FW FW FW SC SC SC FW CL CL CL
POP 12HR 60 70 10 0 0
QPF 12HR 0.01 0.05 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C L S C C
TSTMS S S C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 70 33 74 36 75 37 70 34 68
TEMP 63 69 44 34 69 72 46 37 72 73 49 40 67 68 45 36 64 66
DEWPT 29 30 31 26 34 34 34 33 31 31 32 31 31 32 33 30 30 29
PWIND DIR SW S SW S S S S S S
WIND CHAR LT LT GN LT GN GN GN GN GN
AVG CLOUDS CL FW FW FW FW FW FW FW CL FW SC SC SC BK SC SC FW SC
POP 12HR 0 0 0 0 5 0 5 5 10
RAIN SHWRS S
TSTMS S
WYZ028-221000-
GREEN RIVER-SWEETWATER WY
41.46N 109.49W ELEV. 7182 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 54 32 60 35
TEMP 42 40 46 53 53 51 42 39 35 32 39 51 57 58 52 46 39 36
DEWPT 25 26 31 34 31 28 32 30 28 27 27 34 30 25 26 27 26 26
RH 50 57 55 48 43 41 67 70 75 81 62 52 35 28 36 47 59 67
WIND DIR S W W W W NW E E SE SE SE SE NW W W S S S
WIND SPD 4 3 10 17 16 14 12 8 6 3 2 2 3 4 2 3 2 1
WIND GUST 25 26 21
CLOUDS OV OV OV BK SC BK BK SC FW SC SC SC SC SC SC SC FW CL
POP 12HR 30 50 50 0 0
QPF 12HR 0 0.05 0.04 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C C C S
SNOWSHWRS C
TSTMS S C C S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 71 41 77 43 78 45 74 43 74
TEMP 63 71 52 42 72 73 56 46 76 75 58 49 71 72 56 46 69 72
DEWPT 30 29 28 27 33 36 34 33 33 32 32 31 34 32 30 29 27 23
PWIND DIR SW SW SW S SW S S SW S
WIND CHAR LT LT GN LT LT LT GN GN BZ
AVG CLOUDS CL FW FW FW FW FW SC FW FW FW SC SC SC SC SC SC SC FW
POP 12HR 0 0 10 20 20 5 10 5 5
RAIN SHWRS S S S
TSTMS S S S
WYZ017-221000-
SHOSHONI-FREMONT WY
43.25N 108.12W ELEV. 4817 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 50 35 64 38
TEMP 47 44 48 45 45 45 44 41 37 35 43 56 62 64 56 48 43 39
DEWPT 34 34 36 36 36 35 34 34 32 31 32 34 28 26 29 31 32 31
RH 60 68 63 70 70 68 68 76 82 85 65 43 27 23 35 51 65 73
WIND DIR E NE NE N N N N W SW SW W SW S E E E SE S
WIND SPD 5 5 5 20 25 21 9 4 3 4 2 2 3 5 6 6 4 4
WIND GUST 16 28 35 33 20
CLOUDS OV OV OV BK BK OV BK SC FW CL FW SC FW FW SC SC FW FW
POP 12HR 20 50 30 0 0
QPF 12HR 0 0.05 0.02 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C C C S S
SNOWSHWRS C
TSTMS S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 75 43 83 47 86 48 82 48 81
TEMP 66 74 55 44 73 80 60 48 78 83 62 50 77 79 60 49 74 79
DEWPT 35 32 37 34 37 35 40 38 37 32 39 38 36 36 42 40 34 29
PWIND DIR SW S SW SW S S S SE SE
WIND CHAR LT LT LT GN LT GN BZ BZ BZ
AVG CLOUDS FW FW FW CL CL FW FW FW CL FW SC SC FW SC BK SC SC FW
POP 12HR 0 0 0 0 0 5 10 20 10
RAIN SHWRS S S S
TSTMS S S S
WYZ005-221000-
THERMOPOLIS-HOT SPRINGS WY
43.66N 108.21W ELEV. 4592 FT
131 AM MDT THU MAY 21 2026
DATE 05/20/26 THU 05/21/26 FRI 05/22/26 SAT
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 37 48 35 64 39
TEMP 46 43 45 41 44 47 44 40 37 35 45 56 62 64 55 48 44 40
DEWPT 35 36 39 37 38 36 35 33 31 29 31 33 31 29 30 29 29 28
RH 65 76 79 85 79 65 70 76 79 78 58 42 31 27 38 47 55 62
WIND DIR NE NE N NW N NW NW W S S W SE E E SE S S S
WIND SPD 3 4 6 14 20 14 6 3 2 2 1 3 4 6 4 2 2 3
WIND GUST 13 23 28 21 16 10
CLOUDS OV OV OV OV OV OV BK FW FW CL FW FW FW SC SC SC FW FW
POP 12HR 30 80 30 0 0
QPF 12HR 0.01 0.19 0.02 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C L D C C
TSTMS S S
DATE 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 74 46 82 49 87 51 83 50 81
TEMP 68 74 56 48 77 81 62 53 82 84 64 56 80 80 62 54 75 79
DEWPT 33 33 33 30 35 36 38 35 35 33 38 36 35 36 41 39 34 31
PWIND DIR S S SW SW SW S S SW S
WIND CHAR LT LT LT LT GN GN BZ BZ GN
AVG CLOUDS CL FW FW FW FW FW SC FW CL CL SC FW FW SC BK SC SC SC
POP 12HR 0 0 10 20 0 5 10 20 10
RAIN SHWRS S S S S S
TSTMS 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page