302
FOUS55 KRIW 160531
PFMRIW
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE RIVERTON WY
1131 PM MDT WED APR 15 2026
WYZ020-161000-
CASPER-NATRONA WY
42.91N 106.46W ELEV. 5530 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 41 65 22 39 17
TEMP 49 48 46 52 61 61 50 35 31 25 23 27 31 37 37 27 22 18 21
DEWPT 24 24 23 24 26 25 28 27 23 20 17 20 20 19 15 18 15 11 12
RH 37 39 40 33 26 25 42 72 72 81 77 74 63 48 40 68 74 73 68
WIND DIR SW SW SW SW SW W NW NW W N N N NW NW NW N SW SW SW
WIND SPD 18 24 21 27 29 28 21 18 14 12 11 13 13 13 10 5 5 6 10
WIND GUST 27 36 33 41 44 43 33 27 23 19 20 20 20
CLOUDS FW FW FW SC SC BK OV OV OV OV OV OV BK SC SC BK BK SC FW
POP 12HR 0 60 90 80 20
QPF 12HR 0 0.04 0.32 0.07 0.01
SNOW 12HR 00-00 00-00 2 1 00-00
RAIN SHWRS C L
SNOWSHWRS S D L L D D C C S S
TSTMS S
WIND CHILL 24 20 14 12 16 10
MIN CHILL 20 12 13 23 15 8
WINTER WEATH Y Y Y Y Y Y Y
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 50 26 65 34 72 38 76 40 70
TEMP 40 46 30 28 56 62 41 36 65 69 46 40 69 72 50 43 65 66
DEWPT 19 16 17 14 20 17 21 19 26 24 28 26 29 25 30 29 30 25
PWIND DIR W SW SW SW SW SW SW S SW
WIND CHAR GN GN GN GN GN GN GN GN BZ
AVG CLOUDS FW CL CL FW FW CL FW SC FW FW SC FW FW FW FW SC SC SC
POP 12HR 5 0 0 0 0 0 0 10 30
RAIN SHWRS S C
TSTMS S
WYZ017-161000-
RIVERTON-FREMONT WY
43.06N 108.46W ELEV. 5525 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 41 59 25 44 21
TEMP 48 47 44 50 57 56 47 38 33 29 26 30 38 42 41 34 30 26 22
DEWPT 24 26 27 25 25 22 14 13 13 13 13 13 10 10 11 14 15 14 11
RH 39 43 51 37 29 26 26 35 43 51 57 49 31 26 29 43 53 60 62
WIND DIR S S S SW SW W NW NW N NW NW N N NE NW N W W SW
WIND SPD 21 24 21 24 26 26 21 21 18 8 13 14 12 12 12 10 8 6 8
WIND GUST 33 36 33 36 40 40 33 33 27 20 23 19 19 19
CLOUDS SC SC SC SC FW SC BK OV BK OV BK SC SC SC BK SC SC FW CL
POP 12HR 10 40 50 50 20
QPF 12HR 0 0.01 0.02 0.03 0
SNOW 12HR 00-00 00-00 T T 00-00
RAIN SHWRS S S S
SNOWSHWRS C C S C C C C C S S
WIND CHILL 27 22 14 19
MIN CHILL 22 14 16 22 13
WINTER WEATH Y Y Y Y Y
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 56 28 66 36 73 41 75 43 70
TEMP 46 49 37 31 56 65 47 39 65 71 52 44 69 74 53 45 65 66
DEWPT 12 11 16 14 17 15 20 20 23 19 26 26 25 22 28 29 27 23
PWIND DIR SW SW S SW SW SW SW SW SW
WIND CHAR GN GN LT GN GN GN GN GN BZ
AVG CLOUDS CL CL FW FW FW CL FW SC SC FW FW FW CL CL FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 10 20
RAIN SHWRS S
WYZ018-161000-
LANDER-FREMONT WY
42.82N 108.73W ELEV. 5586 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 40 57 22 43 20
TEMP 50 47 43 47 54 53 46 37 32 28 23 28 36 41 41 33 29 24 21
DEWPT 24 26 27 25 26 20 14 9 10 11 9 11 7 8 10 13 11 9 8
RH 36 43 53 42 34 27 27 31 39 48 54 48 29 25 27 43 46 52 56
WIND DIR SE E S SW SW W NW NW NW NW W N N N NW NW W W SW
WIND SPD 19 18 14 21 24 20 16 11 9 6 4 5 8 9 9 4 3 4 5
WIND GUST 29 27 23 33 36 31 24
CLOUDS BK SC SC FW FW SC BK BK BK OV BK SC SC SC BK BK SC FW CL
POP 12HR 40 50 60 60 30
QPF 12HR 0.01 0.02 0.02 0.04 0.01
SNOW 12HR 00-00 00-00 T 1 00-00
RAIN SHWRS C S C C C C
SNOWSHWRS C C C S L L L L L C C
TSTMS S
WINTER WEATH Y Y Y Y Y
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 29 66 38 73 42 74 43 69
TEMP 44 50 35 32 56 64 47 41 66 70 53 46 67 71 53 46 63 65
DEWPT 10 10 12 12 18 15 19 18 24 22 25 24 26 23 26 27 26 22
PWIND DIR SW W SW SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT GN GN GN GN
AVG CLOUDS CL CL FW FW FW CL SC SC SC FW SC FW FW CL SC SC SC SC
POP 12HR 0 0 0 0 0 0 0 20 20
RAIN SHWRS S S S
WYZ028-161000-
ROCK SPRINGS-SWEETWATER WY
41.61N 109.07W ELEV. 6760 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 55 20 39 18
TEMP 46 42 38 43 51 47 37 30 27 23 21 24 32 37 37 31 27 21 18
DEWPT 23 27 28 27 26 27 20 13 8 8 9 8 6 5 7 8 10 10 10
RH 40 55 67 53 37 45 50 49 44 52 59 50 33 26 28 37 48 62 70
WIND DIR SW SW SW W W W NW W NW W W NW NW W W W W W W
WIND SPD 18 13 12 18 24 26 24 21 17 13 14 17 16 17 17 13 10 6 5
WIND GUST 27 20 19 27 36 40 36 33 26 20 23 26 24 26 26 20
CLOUDS SC BK SC SC OV OV OV OV BK BK SC SC SC SC BK SC FW FW FW
POP 12HR 10 70 60 30 10
QPF 12HR 0 0.14 0.03 0 0
SNOW 12HR 00-00 T T 00-00 00-00
RAIN SHWRS S L
SNOWSHWRS L L C C S C C C C
TSTMS S S
WIND CHILL 26 17 14 11 8 10 21
MIN CHILL 30 31 26 14 8 7 24 17 10
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 50 22 60 32 67 37 69 40 64
TEMP 39 44 29 23 52 59 41 33 60 65 47 38 64 67 49 41 59 59
DEWPT 9 8 13 10 13 11 15 16 20 16 23 23 22 19 24 25 21 20
PWIND DIR W S S S SW SW S S SW
WIND CHAR GN GN LT GN GN GN GN GN BZ
AVG CLOUDS CL CL CL CL CL FW SC SC FW FW FW CL CL FW FW FW SC SC
POP 12HR 0 0 0 0 0 0 0 5 10
RAIN SHWRS S
TSTMS S
WYZ026-161000-
BIG PINEY-SUBLETTE WY
42.58N 110.11W ELEV. 6990 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 46 14 39 12
TEMP 39 36 34 37 43 41 33 25 21 18 15 24 33 37 36 27 22 17 13
DEWPT 27 28 28 24 21 14 7 6 6 7 5 5 3 4 5 8 9 8 5
RH 62 72 78 59 41 33 33 44 52 61 64 43 27 24 27 44 57 67 70
WIND DIR S S SW SW W NW W NW W NW NW NW NW NW NW NW NW NW NW
WIND SPD 14 14 17 14 18 21 20 16 12 10 10 14 17 18 18 12 6 4 2
WIND GUST 23 23 26 23 27 33 31 24 19 23 26 27 27 19
CLOUDS SC SC FW SC SC SC BK SC SC SC FW FW SC SC SC SC FW FW CL
POP 12HR 30 40 10 20 5
QPF 12HR 0 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN
RAIN SHWRS S C S
SNOWSHWRS S C C C S S
TSTMS S S S S S
WIND CHILL 23 21 12 9 6 2 11 22 16
MIN CHILL 30 23 20 21 9 2 5 25 14 9
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 52 17 62 26 69 30 68 32 61
TEMP 41 47 26 18 52 59 37 26 62 65 40 31 62 63 42 34 56 55
DEWPT 6 6 11 10 12 11 16 15 18 16 22 21 22 20 25 25 23 22
PWIND DIR W NW W W S W S SW W
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS CL CL FW FW CL FW SC SC FW FW SC FW CL FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 0 5 10
WYZ025-161000-
PINEDALE-SUBLETTE WY
42.80N 109.81W ELEV. 7086 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 42 15 36 14
TEMP 38 36 35 37 40 38 32 24 21 18 17 22 32 36 34 25 21 17 15
DEWPT 28 30 29 28 21 15 9 8 9 10 7 7 4 4 6 8 11 10 8
RH 67 79 78 70 46 38 37 50 59 70 64 52 30 25 30 48 65 73 73
WIND DIR S S S W W NW W NW NW NW NW NW NW NW NW NW NW NW N
WIND SPD 13 13 13 14 20 21 20 13 12 9 9 16 18 18 17 10 5 3 2
WIND GUST 20 20 20 23 31 33 31 20 19 24 27 27 26
CLOUDS BK OV BK BK OV BK BK BK SC SC FW FW SC SC SC SC FW FW CL
POP 12HR 30 50 10 30 10
QPF 12HR 0.01 0.04 0 0 0
SNOW 12HR 00-00 T 00-00 00-00 00-00
RAIN
RAIN SHWRS C C C
SNOWSHWRS C C C C S S C C
TSTMS S S S S S
WIND CHILL 27 20 12 9 7 6 8 20 23
MIN CHILL 30 25 22 20 9 4 7 23 13 12
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 50 20 58 28 64 32 65 33 59
TEMP 39 46 27 21 51 56 36 29 60 62 41 33 62 62 42 35 55 54
DEWPT 7 7 14 12 12 13 20 19 19 19 26 24 23 20 28 28 23 22
PWIND DIR NW N SE NW S N SE SE SW
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS CL CL CL FW FW CL SC SC SC FW SC FW FW FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 0 5 20
RAIN SHWRS S S
SNOWSHWRS S
WYZ013-161000-
JACKSON-TETON WY
43.60N 110.73W ELEV. 6451 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 37 15 36 15
TEMP 40 38 33 29 32 34 32 25 23 18 16 21 31 34 35 28 24 19 16
DEWPT 32 32 27 20 17 12 9 12 13 10 9 9 9 7 9 13 14 12 10
RH 73 79 78 69 53 39 37 57 65 70 73 59 39 32 33 53 65 74 77
WIND DIR S S S S SW SW SW S W N NE W W W W W W W SW
WIND SPD 18 16 14 13 16 16 16 9 5 4 5 6 10 12 12 6 4 3 3
WIND GUST 27 24 23 20 24 24 24 19 19
CLOUDS OV OV OV OV OV BK BK BK BK SC SC SC SC SC SC SC SC FW CL
POP 12HR 80 90 60 50 10
QPF 12HR 0.06 0.02 0.02 0.01 0
SNOW 12HR 00-00 T T T 00-00
RAIN
RAIN SHWRS L D
SNOWSHWRS S L L L S C C S S S C C
TSTMS S S S S
WIND CHILL 18 21 21
MIN CHILL 31 23 18 21 14 7 10 24 18 10
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 48 20 58 29 64 33 65 35 57
TEMP 38 45 28 21 50 56 37 31 57 62 43 35 60 63 44 37 51 52
DEWPT 13 16 15 13 18 22 22 21 23 24 26 26 28 27 31 31 29 29
PWIND DIR W S S S S S S SE SW
WIND CHAR LT LT LT LT LT LT GN LT GN
AVG CLOUDS CL CL CL FW FW FW FW SC SC FW SC SC FW FW SC SC SC BK
POP 12HR 0 0 0 0 0 0 10 20 40
RAIN SHWRS S S S C C
SNOWSHWRS S C
TSTMS S
WYZ001-161000-
LAKE YELLOWSTONE-TETON WY
44.55N 110.42W ELEV. 7835 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 23 30 8 28 8
TEMP 33 31 27 25 27 27 24 18 15 12 9 14 24 26 26 20 15 11 9
DEWPT 30 28 23 19 16 13 11 11 9 6 4 6 7 9 11 13 11 8 5
RH 89 88 85 78 63 55 57 73 77 76 80 70 47 48 52 74 84 87 83
WIND DIR SW W SW W SW SW NW NW NW NW NW W W W W W N N N
WIND SPD 18 14 12 11 14 13 9 5 6 4 1 2 5 5 5 2 0 0 0
WIND GUST 27 23 19 23 20
CLOUDS OV OV OV OV OV BK BK BK SC SC SC SC BK BK BK SC SC FW FW
POP 12HR 100 90 80 70 30
QPF 12HR 0.23 0.14 0.04 0.04 0.01
SNOW 12HR 3 2 1 1 T
SNOW
SNOWSHWRS D D D L L L D C C C L L C C
TSTMS S S S S S S S S
OBVIS BS
WIND CHILL 22 20 16 14 15 16
MIN CHILL 22 16 14 14 5 2 11 19 15 9
WINTER STORM W W W W W W W W W W
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 39 15 50 23 56 28 57 30 50
TEMP 32 37 22 16 43 48 29 24 50 54 33 29 52 53 36 32 45 44
DEWPT 11 13 14 12 16 20 21 19 22 24 25 23 26 27 29 28 27 28
PWIND DIR W SW SW S S S S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW CL FW FW FW FW FW FW SC FW SC SC FW FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 20 30 40
RAIN SHWRS S C C
SNOWSHWRS C S C C
WYZ003-161000-
CODY-PARK WY
44.52N 109.02W ELEV. 5102 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 22 43 23
TEMP 46 44 39 40 45 43 38 32 30 26 23 30 39 41 39 33 30 27 24
DEWPT 28 27 26 25 22 19 16 17 17 15 11 7 7 10 15 17 19 15 12
RH 49 51 59 55 40 38 40 53 58 62 59 37 26 27 37 51 63 60 60
WIND DIR S S N N NW NW NW N NW NW N W N N N NW W W SW
WIND SPD 12 11 8 13 20 18 19 16 10 9 6 9 13 14 13 8 3 4 5
WIND GUST 19 20 31 27 29 24 20 23 20
CLOUDS FW FW SC SC SC SC BK OV BK SC SC SC SC BK OV BK SC FW FW
POP 12HR 20 50 40 30 20
QPF 12HR 0 0.01 0.01 0 0
SNOW 12HR 00-00 00-00 T 00-00 00-00
SNOWSHWRS C S S C S S C C S S
TSTMS S
WIND CHILL 21
MIN CHILL 29 28 21 15 16 31 26 17
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 32 67 40 74 44 75 45 68
TEMP 47 51 37 34 60 63 47 41 67 70 52 46 70 71 55 48 65 62
DEWPT 11 15 19 15 15 17 24 22 21 23 28 27 27 27 31 30 28 30
PWIND DIR W W SW SW W W SW W W
WIND CHAR GN GN GN GN GN GN GN GN BZ
AVG CLOUDS CL CL FW SC FW FW FW SC SC FW SC FW FW FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 0 10 20
RAIN SHWRS S
WYZ004-161000-
GREYBULL-BIG HORN WY
44.52N 108.08W ELEV. 3939 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 39 54 25 49 24
TEMP 51 46 42 44 50 51 47 38 35 30 26 31 41 47 47 39 35 29 25
DEWPT 29 28 28 31 30 26 22 21 20 19 16 16 13 13 14 17 22 22 19
RH 42 49 57 60 46 37 37 50 54 63 65 53 31 25 26 40 59 75 78
WIND DIR SE S W NW NW NW NW NW NW NW NW NW NW NW NW NW NW N SE
WIND SPD 13 11 8 11 14 20 20 21 16 12 10 12 16 18 18 10 5 2 2
WIND GUST 20 23 31 31 33 24 19 19 24 27 27
CLOUDS BK SC BK BK BK BK BK BK OV SC SC SC SC SC SC BK BK SC FW
POP 12HR 10 50 40 30 20
QPF 12HR 0 0.02 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C C C C
SNOWSHWRS C C C C S S C C C C S S
TSTMS S S S S S
WIND CHILL 27
MIN CHILL 25 16 19 30 25
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 30 70 37 78 43 80 45 75
TEMP 46 53 38 30 57 68 48 38 67 76 54 43 71 77 57 47 68 70
DEWPT 20 16 20 17 20 15 23 23 26 23 29 29 31 27 32 32 33 29
PWIND DIR SE SE SE SE SE S S E SW
WIND CHAR LT LT LT LT LT GN GN GN GN
AVG CLOUDS FW CL CL FW FW CL FW FW FW FW FW FW FW CL FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 10 20
RAIN SHWRS S
WYZ006-161000-
WORLAND-WASHAKIE WY
43.97N 107.95W ELEV. 4227 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 58 24 48 22
TEMP 49 44 42 46 54 53 48 38 33 29 25 30 41 46 46 36 31 27 23
DEWPT 27 26 27 27 29 25 21 21 19 17 14 13 11 7 10 16 20 19 17
RH 42 49 55 47 38 33 34 50 56 60 62 49 29 20 23 43 63 71 77
WIND DIR S S S W NW N N NW NW NW NW NW NW N NW NW W W S
WIND SPD 14 13 12 11 14 18 17 18 13 12 10 12 13 16 13 10 5 4 2
WIND GUST 23 20 19 23 27 26 27 20 19 19 20 24 20
CLOUDS SC SC SC BK BK BK BK OV OV BK SC SC SC SC BK BK BK SC FW
POP 12HR 5 60 50 50 30
QPF 12HR 0 0.01 0.02 0.02 0
SNOW 12HR 00-00 00-00 00-00 T 00-00
RAIN SHWRS S S C C
SNOWSHWRS C C C C C C C C C C
TSTMS S S
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 58 25 70 34 78 39 81 42 75
TEMP 46 52 35 26 59 68 45 34 69 75 51 41 72 78 54 43 68 69
DEWPT 17 13 18 16 18 13 21 20 24 21 27 26 29 21 31 30 30 27
PWIND DIR S SE SE SE S SE S S SW
WIND CHAR LT LT LT LT LT GN GN GN GN
AVG CLOUDS FW CL CL FW FW CL FW SC FW FW FW FW FW CL FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 10 20
RAIN SHWRS S
TSTMS S
WYZ005-161000-
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY
43.71N 108.39W ELEV. 4902 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 57 22 45 19
TEMP 46 42 39 46 54 53 46 35 31 27 23 29 39 43 42 34 30 24 20
DEWPT 27 28 27 27 29 27 19 17 20 18 14 14 11 10 14 19 20 17 13
RH 47 57 62 47 38 36 34 47 63 68 68 53 31 25 31 54 66 74 74
WIND DIR S S S NW NW NW NW NW NW NW NW N N N N N W W W
WIND SPD 12 13 12 11 14 19 17 16 12 9 10 10 12 13 11 6 4 3 3
WIND GUST 19 20 19 23 29 26 24 19 19 20
CLOUDS SC FW SC SC SC BK BK BK OV BK SC SC SC BK BK BK SC FW FW
POP 12HR 5 50 50 60 40
QPF 12HR 0 0.02 0.03 0.02 0.01
SNOW 12HR 00-00 00-00 T T 00-00
RAIN SHWRS S C C
SNOWSHWRS S C C C C L L L L C C
WIND CHILL 12
MIN CHILL 31 28 21 12 16 25 15
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 26 68 34 74 40 78 43 72
TEMP 45 50 35 28 59 66 45 37 67 72 51 43 71 75 55 46 67 67
DEWPT 16 16 18 15 18 17 21 21 25 23 27 26 28 24 31 30 30 29
PWIND DIR SE S S S S W S SW SW
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS CL CL FW FW FW CL FW SC SC FW SC FW FW CL SC SC SC SC
POP 12HR 0 0 0 0 0 0 5 10 30
RAIN SHWRS S C
WYZ010-161000-
BUFFALO-JOHNSON WY
44.38N 106.72W ELEV. 4968 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 49 22 40 22
TEMP 50 48 43 47 45 41 35 31 29 26 23 28 34 38 37 30 28 26 23
DEWPT 25 25 29 33 32 32 27 23 21 17 15 14 15 14 16 17 16 14 11
RH 37 40 57 58 60 70 72 72 72 68 71 55 45 37 42 58 60 60 59
WIND DIR S S S N N N N N NW N N NW N N N NW W W W
WIND SPD 14 14 13 13 16 19 19 17 13 17 10 14 21 21 18 10 5 6 8
WIND GUST 23 23 20 20 24 29 29 26 20 26 23 33 33 27
CLOUDS BK BK SC SC BK OV OV OV OV OV BK SC SC SC BK BK SC SC FW
POP 12HR 5 90 80 50 20
QPF 12HR 0 0.11 0.07 0.04 0
SNOW 12HR 00-00 00-00 1 T 00-00
RAIN SHWRS S S
SNOWSHWRS C D D C C C C C C C S S
TSTMS S S
WIND CHILL 24 20 18 13 12 16 22 27
MIN CHILL 24 17 11 14 24 21 14
WINTER WEATH Y Y Y Y Y Y
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 50 29 63 38 71 43 74 45 69
TEMP 42 43 33 32 56 60 44 41 67 68 50 45 70 71 53 48 65 62
DEWPT 18 17 16 14 19 21 21 21 26 27 28 26 29 30 30 29 32 31
PWIND DIR NW W S NW NW W SE W SW
WIND CHAR GN LT LT LT GN GN GN GN BZ
AVG CLOUDS FW CL CL FW FW CL FW SC SC FW SC FW FW FW FW FW SC SC
POP 12HR 5 0 0 0 0 0 0 10 30
RAIN SHWRS S C
TSTMS S
WYZ012-161000-
RENDEZVOUS MOUNTAIN-TETON WY
43.59N 110.89W ELEV. 10318 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 7 14 -1 13 3
TEMP 22 22 14 8 8 8 6 4 3 1 -1 3 6 9 11 7 7 6 3
DEWPT 22 22 14 8 8 8 4 4 3 1 -1 1 3 4 6 3 4 2 0
RH 100100100100100100 91100100100100 91 87 80 80 83 87 83 87
WIND DIR SW SW W W W SW W W NW NW NW NW NW W W W W W W
WIND SPD 27 25 27 23 21 19 18 14 11 11 10 13 14 14 18 13 10 9 9
WIND GUST 41 37 41 34 33 29 27 23 20 23 23 27 20
CLOUDS OV OV BK BK BK BK BK BK BK SC SC SC SC SC SC SC SC FW CL
POP 12HR 90 90 80 70 20
QPF 12HR 0.31 0.18 0.14 0.03 0.01
SNOW 12HR 4 3 2 T T
SNOW
SNOWSHWRS D D D D D S L L S C C L L S S
TSTMS S S S S
OBVIS BS BS BS BS BS BS BS
WIND CHILL 5 5 -6-13-12-11-13-14-13-16-17-15-12 -8 -7-10 -8 -8-12
MIN CHILL 5 -6 -13 -13 -15 -17 -16 -10 -10 -12
WINTER STORM W W W W W W W W W W
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 24 10 33 19 40 22 41 23 32
TEMP 16 20 12 11 25 30 21 20 33 36 26 24 35 35 27 24 26 26
DEWPT 6 10 6 3 10 18 12 10 16 19 17 16 20 22 21 21 22 24
PWIND DIR W SW S S NW N S S W
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS CL CL CL FW FW FW FW SC SC FW SC SC FW FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 20 30 60
RAIN SHWRS L
SNOWSHWRS S C C C L
TSTMS S
WYZ023-161000-
AFTON-LINCOLN WY
42.71N 110.94W ELEV. 6201 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 39 16 39 15
TEMP 40 38 32 29 32 34 33 25 21 19 17 20 31 37 37 28 23 19 16
DEWPT 35 35 31 27 24 19 13 13 16 16 14 13 14 14 13 15 16 14 12
RH 82 89 96 92 72 54 43 60 81 88 88 74 49 38 37 58 74 80 84
WIND DIR S S W NW NW NW W W N N N NW NW NW NW W W SW SE
WIND SPD 20 13 11 9 10 11 14 8 6 4 3 5 6 10 10 5 2 1 1
WIND GUST 31 20 23
CLOUDS BK BK OV OV OV OV BK BK OV OV BK BK BK BK SC SC SC FW CL
POP 12HR 70 80 60 60 20
QPF 12HR 0.01 0.15 0.02 0.01 0
SNOW 12HR 00-00 2 T T 00-00
RAIN
RAIN SHWRS C L L
SNOWSHWRS L D D C S C C C L L S S
TSTMS S S
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 50 23 62 32 67 35 67 35 58
TEMP 39 46 28 26 54 59 38 33 59 65 43 36 61 64 45 38 52 54
DEWPT 15 17 20 17 20 23 26 23 27 27 31 28 30 31 34 33 33 32
PWIND DIR W S S SE S S S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW CL FW SC SC SC FW FW FW FW FW SC SC SC BK
POP 12HR 0 0 0 0 0 0 20 30 50
RAIN SHWRS S C S C C
SNOWSHWRS C
TSTMS S
WYZ004-161000-
POWELL-PARK WY
44.87N 108.79W ELEV. 5092 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 44 24 43 25
TEMP 47 43 38 38 41 41 35 31 30 26 24 31 38 41 39 34 31 27 26
DEWPT 26 26 26 25 22 20 18 15 15 15 13 10 9 8 14 16 20 18 15
RH 43 51 62 59 46 42 49 51 53 62 62 41 29 25 35 47 63 68 62
WIND DIR S NW N N N NW NW NW NW NW NW NW NW NW N NW NW W S
WIND SPD 16 14 19 24 26 27 27 24 18 14 10 14 21 21 21 13 8 5 5
WIND GUST 24 23 29 36 40 41 41 36 27 23 23 33 33 33 20
CLOUDS SC SC SC SC SC SC BK BK SC SC FW SC SC SC BK BK SC FW FW
POP 12HR 10 40 30 30 20
QPF 12HR 0 0.02 0.01 0 0
SNOW 12HR 00-00 00-00 T 00-00 00-00
RAIN SHWRS C
SNOWSHWRS C S C C C S S S C C S S
TSTMS S S
WIND CHILL 27 30 30 22 18 18 14 20 27
MIN CHILL 28 23 22 17 13 17 29 24 18
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 54 32 64 40 71 45 75 47 68
TEMP 44 49 37 33 57 62 46 42 64 69 52 46 68 71 55 49 63 62
DEWPT 15 14 18 16 15 14 21 21 21 21 26 26 25 24 30 29 29 29
PWIND DIR SE S SE S SE W SE W NW
WIND CHAR GN GN GN GN GN GN GN GN BZ
AVG CLOUDS FW CL CL FW FW FW FW SC SC FW SC FW FW FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 0 10 20
RAIN SHWRS S S
WYZ004-161000-
COWLEY-BIG HORN WY
44.91N 108.45W ELEV. 4090 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 50 25 48 25
TEMP 50 45 40 41 47 47 43 36 33 27 25 31 41 46 45 38 33 28 25
DEWPT 28 29 29 30 28 25 23 20 19 18 16 16 15 13 16 20 22 22 20
RH 42 53 64 65 47 42 45 52 56 68 68 53 34 26 31 48 63 78 81
WIND DIR S N NW NW NW NW NW N N NW N NW NW NW N NW NW W S
WIND SPD 10 9 11 12 13 19 20 17 12 6 6 11 18 21 17 9 5 3 2
WIND GUST 19 20 31 31 26 19 19 27 33 26
CLOUDS SC SC BK SC BK BK BK BK BK FW SC SC SC SC BK BK BK SC FW
POP 12HR 20 50 30 40 20
QPF 12HR 0 0.02 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C C C
SNOWSHWRS C C C C S S S S C C S S
TSTMS S S S
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 32 68 40 75 45 79 47 74
TEMP 46 51 38 33 58 66 48 41 66 73 53 45 71 76 56 49 67 68
DEWPT 22 18 20 19 21 19 23 23 28 27 29 29 32 29 33 32 35 34
PWIND DIR SE SE SE SE SE NE SE NE NW
WIND CHAR GN LT GN LT LT GN GN GN GN
AVG CLOUDS FW CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW SC SC
POP 12HR 0 0 0 0 0 0 0 10 30
RAIN SHWRS C
WYZ016-161000-
DUBOIS-FREMONT WY
43.55N 109.69W ELEV. 7291 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 41 17 35 20
TEMP 40 39 37 37 38 38 33 25 22 19 17 23 31 34 33 26 24 22 20
DEWPT 27 27 27 23 18 13 8 5 7 6 5 5 2 3 5 9 10 10 9
RH 59 62 67 56 44 35 34 42 52 56 58 45 28 26 30 48 54 59 62
WIND DIR W W W W W W W W W W W NW NW NW NW W W W W
WIND SPD 19 18 16 19 20 21 20 14 12 10 12 16 18 19 18 12 10 10 11
WIND GUST 29 27 24 29 31 33 31 23 19 19 24 27 29 27 19
CLOUDS FW SC BK BK BK BK BK BK SC SC FW SC SC SC SC SC SC FW CL
POP 12HR 70 70 50 70 40
QPF 12HR 0.04 0.06 0.02 0.02 0.01
SNOW 12HR 00-00 1 T T T
RAIN
RAIN SHWRS C C S
SNOWSHWRS C C L C L C C C S C C C L L C C
TSTMS S S S S S
WIND CHILL 27 21 13 10 7 4 10 19 23 22 15 11 8
MIN CHILL 31 27 24 21 10 4 6 21 14 8
WINTER WEATH Y Y Y Y Y
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 47 26 58 33 62 37 64 38 58
TEMP 41 43 28 27 52 55 37 34 59 60 43 39 62 61 45 40 56 54
DEWPT 8 11 12 9 12 16 19 18 18 21 24 23 23 24 27 27 24 23
PWIND DIR W W W W W SW SW W W
WIND CHAR BZ GN GN GN GN GN GN GN BZ
AVG CLOUDS CL CL CL CL CL CL FW SC FW FW FW FW CL FW FW FW SC SC
POP 12HR 5 0 0 0 0 0 10 30 40
RAIN SHWRS C C C C
SNOWSHWRS C C
WYZ027-161000-
KEMMERER-LINCOLN WY
41.83N 110.56W ELEV. 7285 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 44 16 37 16
TEMP 40 38 35 37 39 36 30 25 22 19 17 22 31 35 35 28 24 19 17
DEWPT 29 32 30 30 26 21 14 10 8 9 10 9 7 8 9 11 12 10 9
RH 64 79 82 75 59 54 51 52 54 64 73 57 36 32 33 48 60 67 70
WIND DIR W SW SW W W W W W NW W NW NW NW W W W W W W
WIND SPD 17 16 14 19 24 26 25 17 13 12 10 13 16 18 17 10 5 3 3
WIND GUST 26 24 23 29 36 40 37 26 20 19 20 24 27 26
CLOUDS BK BK SC SC BK BK BK BK SC SC FW FW FW SC SC FW FW FW CL
POP 12HR 30 60 10 20 5
QPF 12HR 0 0.04 0 0 0
SNOW 12HR 00-00 T 00-00 00-00 00-00
RAIN SHWRS C
SNOWSHWRS S C C S S S S
TSTMS S
WIND CHILL 28 24 16 12 9 6 5 9 20 24
MIN CHILL 31 25 24 16 9 5 6 22 17 12
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 50 23 60 31 65 35 66 35 58
TEMP 39 44 30 25 52 58 40 33 60 63 45 37 62 63 46 37 54 54
DEWPT 9 11 15 13 14 13 19 18 21 21 26 25 24 24 28 27 26 24
PWIND DIR W W SE SW SW SW S SW W
WIND CHAR LT LT LT LT LT LT GN GN GN
AVG CLOUDS CL FW FW CL CL FW SC SC FW FW FW FW CL FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 5 5 20
RAIN SHWRS S S
SNOWSHWRS S S
TSTMS S
WYZ023-161000-
ALPINE-LINCOLN WY
43.18N 111.04W ELEV. 5634 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 37 20 39 19
TEMP 44 41 36 31 32 35 35 29 27 23 21 25 33 37 38 33 29 24 20
DEWPT 38 37 33 25 22 17 13 16 20 17 16 16 15 13 13 17 19 18 15
RH 79 85 89 78 66 47 40 58 74 77 81 68 47 37 35 51 66 77 81
WIND DIR S SW NW W W W W NW NW NW NW NW NW NW NW W SW S SE
WIND SPD 11 10 11 9 8 12 12 9 6 5 4 5 8 10 9 5 2 2 2
WIND GUST 19 19
CLOUDS BK OV OV OV OV BK BK BK BK SC FW SC SC SC SC SC SC FW CL
POP 12HR 70 90 50 60 10
QPF 12HR 0.04 0.06 0.03 0.01 0
SNOW 12HR 00-00 1 0 T 00-00
RAIN
RAIN SHWRS C L
SNOWSHWRS L D D S C C S C C L L
TSTMS S S
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 52 25 62 34 67 37 68 40 59
TEMP 41 49 33 28 54 61 43 35 60 66 48 39 62 66 49 42 53 55
DEWPT 18 18 22 21 22 24 28 27 28 27 33 32 32 31 36 37 34 34
PWIND DIR SW S SE SE S S S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS CL CL FW FW CL FW SC SC SC FW SC SC FW FW SC SC SC BK
POP 12HR 0 0 0 0 0 0 20 30 50
RAIN SHWRS S C S C C
WYZ023-161000-
COKEVILLE-LINCOLN WY
42.05N 110.97W ELEV. 6270 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 29 41 15 39 13
TEMP 40 38 34 33 35 36 33 25 21 18 16 21 33 37 37 28 23 19 14
DEWPT 34 35 32 30 24 20 14 9 11 13 12 11 11 12 13 15 16 14 11
RH 79 89 92 89 64 52 45 50 65 80 84 65 39 35 37 58 74 80 88
WIND DIR S S S W NW NW W W NW NW NW NW NW NW NW W W SW S
WIND SPD 11 10 9 11 14 18 16 11 9 10 5 9 11 14 13 6 2 2 2
WIND GUST 23 27 24 23 20
CLOUDS SC SC SC OV OV BK BK SC FW SC FW FW SC SC SC SC FW CL CL
POP 12HR 50 70 10 30 5
QPF 12HR 0.01 0.03 0 0 0
SNOW 12HR 00-00 T 00-00 00-00 00-00
RAIN
RAIN SHWRS C C C
SNOWSHWRS C C C S S C C
TSTMS S S S
WIND CHILL 22 14 6
MIN CHILL 27 21 22 11 6 10 26 20 14
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 50 21 61 30 67 33 67 34 58
TEMP 40 46 28 23 53 59 37 31 60 64 43 35 62 64 44 36 54 54
DEWPT 14 16 19 16 20 19 23 21 25 25 29 27 28 27 33 30 30 29
PWIND DIR W NE S S S S S S SW
WIND CHAR LT LT LT LT GN LT GN GN GN
AVG CLOUDS CL FW FW CL CL FW SC SC FW FW FW FW CL FW SC SC SC SC
POP 12HR 0 0 0 0 0 0 10 10 30
RAIN SHWRS C C
SNOWSHWRS C
TSTMS S
WYZ028-161000-
GREEN RIVER-SWEETWATER WY
41.46N 109.49W ELEV. 7182 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 57 22 42 20
TEMP 47 43 39 44 53 49 38 33 29 25 22 26 36 40 40 34 29 23 20
DEWPT 23 27 27 28 29 30 21 13 9 7 8 10 10 11 9 9 11 10 9
RH 38 53 62 53 39 48 50 43 42 46 54 50 33 30 27 35 46 57 62
WIND DIR SW W W W W W NW NW W W W NW NW W W W W W W
WIND SPD 13 11 10 13 20 23 23 20 14 13 13 16 14 17 16 13 8 4 2
WIND GUST 20 20 31 34 34 31 23 20 20 24 23 26 24 20
CLOUDS BK BK SC SC OV OV OV OV BK OV SC FW SC SC SC SC FW FW CL
POP 12HR 10 60 40 30 10
QPF 12HR 0 0.11 0.01 0 0
SNOW 12HR 00-00 00-00 T 00-00 00-00
RAIN SHWRS C
SNOWSHWRS L C C S S C C S S
TSTMS S S
WIND CHILL 27 21 18 13 9 13
MIN CHILL 30 27 18 9 12 29 21 16
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 54 25 64 34 71 39 72 40 66
TEMP 43 49 33 26 56 63 44 35 64 69 49 39 66 69 50 42 62 62
DEWPT 12 11 14 11 15 15 16 16 23 22 23 23 25 24 24 26 26 26
PWIND DIR W S S S S S S S SW
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS CL CL FW CL CL FW SC SC FW FW FW FW CL FW FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 5 10
RAIN SHWRS S
TSTMS S
WYZ017-161000-
SHOSHONI-FREMONT WY
43.25N 108.12W ELEV. 4817 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 43 64 27 45 20
TEMP 51 47 44 51 60 59 51 40 34 30 27 32 39 43 43 37 31 26 21
DEWPT 26 28 30 30 30 26 21 18 20 17 18 17 14 11 14 17 19 18 15
RH 37 47 57 44 32 28 30 41 56 58 68 53 35 27 30 44 61 71 77
WIND DIR S S S SW W W NW NW N N N N N N N N W W SW
WIND SPD 18 20 18 20 20 25 23 18 13 13 10 11 10 9 10 6 4 4 4
WIND GUST 27 31 27 31 31 37 34 27 20 20
CLOUDS SC FW FW SC SC BK OV OV OV BK BK SC SC SC BK BK SC FW FW
POP 12HR 5 50 50 60 20
QPF 12HR 0 0.01 0.02 0.03 0
SNOW 12HR 00-00 00-00 T T 00-00
RAIN SHWRS S S C C
SNOWSHWRS C C C C L L C C S S
TSTMS S S
WIND CHILL 19
MIN CHILL 25 17 20 26 15
WINTER WEATH Y Y Y Y Y
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 27 68 35 75 40 78 43 73
TEMP 45 49 35 29 56 66 47 37 65 72 52 42 70 75 56 45 67 70
DEWPT 15 16 18 17 22 19 21 23 26 23 27 29 29 24 29 32 31 26
PWIND DIR SW S S SW SW SW S S SW
WIND CHAR LT LT LT GN LT GN GN GN GN
AVG CLOUDS CL CL CL FW FW CL FW SC SC FW FW FW FW CL FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 10 20
RAIN SHWRS S
TSTMS S
WYZ005-161000-
THERMOPOLIS-HOT SPRINGS WY
43.66N 108.21W ELEV. 4592 FT
1131 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 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 59 25 47 21
TEMP 50 45 41 49 56 55 49 39 34 30 26 31 40 45 45 37 32 26 22
DEWPT 28 28 27 28 30 28 21 19 21 19 16 15 13 10 13 18 22 19 16
RH 42 51 57 44 37 35 33 44 58 63 65 51 33 23 27 46 66 74 77
WIND DIR S S S W NW NW NW NW NW NW NW N N N N N W W SW
WIND SPD 16 16 14 14 16 19 17 17 13 10 10 12 13 13 11 8 4 3 2
WIND GUST 24 24 23 23 24 29 26 26 20 19 20 20
CLOUDS SC FW SC SC SC BK BK OV OV BK SC SC SC SC BK BK SC FW FW
POP 12HR 5 50 50 60 40
QPF 12HR 0 0.02 0.02 0.03 0.01
SNOW 12HR 00-00 00-00 T T 00-00
RAIN SHWRS S S C C
SNOWSHWRS C C C C L L L L C C
TSTMS S
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 58 28 70 36 76 42 80 44 74
TEMP 46 51 35 29 59 68 47 37 68 74 53 44 72 77 56 47 69 69
DEWPT 16 16 19 16 19 18 21 21 26 24 27 27 30 25 32 30 30 29
PWIND DIR SW S S SE S SW S S SW
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS FW CL FW FW FW CL FW SC SC FW FW FW FW CL SC SC SC SC
POP 12HR 0 0 0 0 0 0 5 10 30
RAIN SHWRS S C
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT
DAY 1 THROUGH DAY 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP(F).............................AIR TEMPERATURE
DEWPT(F)............................DEW POINT TEMPERATURE
RH(%)...............................RELATIVE HUMIDITY
WIND DIR(8 POINT COMPASS)...........WIND DIRECTION
WIND SPD(MPH).......................WIND SPEED
CLOUDS(CAT).........................CLOUD COVER CATEGORY
CL.....CLEAR/SUNNY.......................0% TO =< 10%
FW.....MOSTLY CLEAR/MOSTLY SUNNY......> 10% TO =< 30%
SC.....PARTLY CLOUDY/PARTLY SUNNY.....> 30% TO =< 60%
BK.....MOSTLY CLOUDY..................> 60% TO =< 80%
OV.....CLOUDY.........................> 80% TO =< 100%
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
QPF 12HR(IN.).......................AMOUNT OF LIQUID PRECIPITATION
SNOW 12HR(MIN-MAX - IN.)............RANGE OF SNOWFALL
WEATHER...
TYPE...
RAIN...........RAIN
RAIN SHWRS.....RAIN SHOWERS
SPRINKLES......SPRINKLES
TSTMS..........THUNDERSTORMS
DRIZZLE........DRIZZLE
SNOW...........SNOW
SNOWSHWRS......SNOW SHOWERS
FLURRIES.......SNOW FLURRIES
SLEET..........SLEET
FRZG RAIN......FREEZING RAIN
FRZG DRZL......FREEZING DRIZZLE
COVERAGE...
IS.............ISOLATED
SC.............SCATTERED
NM.............NUMEROUS
O..............OCCASIONAL
S..............SLIGHT CHANCE
C..............CHANCE
L..............LIKELY
WD.............WIDESPREAD
D..............DEFINITE
AR.............AREAS
PA.............PATCHY
OBVIS...............................OBSTRUCTION TO VISIBILITY
F.......FOG
PF......PATCHY FOG
F+......DENSE FOG
PF+.....PATCHY DENSE FOG
H.......HAZE
BS......BLOWING SNOW
K.......SMOKE
BD......BLOWING DUST
VA......VOLCANIC ASH
DAY 4 THROUGH DAY 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP(F).............................AIR TEMPERATURE
DEWPT(F)............................DEW POINT TEMPERATURE
PWIND DIR(8 POINT COMPASS)..........PREDOMINANT WIND DIRECTION IN 12HR PERIOD
WIND CHAR(MAX SUSTAINED IN 12HR)....WIND CHARACTERISTIC
LT.....LIGHT; < 8 MPH
GN.....GENTLE; 8 - 14 MPH
BZ.....BREEZY; 15 - 22 MPH
WY.....WINDY; 23 - 30 MPH
VW.....VERY WINDY; 31 - 39 MPH
SD.....STRONG/DAMAGING; >= 40 MPH
AVG CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
WEATHER...
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page