451
FOUS55 KRIW 170646
PFMRIW
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE RIVERTON WY
1246 AM MDT FRI APR 17 2026
WYZ020-181000-
CASPER-NATRONA WY
42.91N 106.46W ELEV. 5530 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 22 39 17 51 26
TEMP 28 25 27 31 37 36 27 23 18 21 32 40 48 50 37 33 29 27
DEWPT 24 20 20 14 18 25 19 17 13 14 19 18 18 16 19 17 14 11
RH 85 81 74 49 46 64 71 77 80 74 58 41 30 25 48 51 53 50
WIND DIR NW NW NW NW NW NW W SW W W SW W W W SW SW SW SW
WIND SPD 10 10 12 13 17 12 8 6 9 9 13 18 18 13 10 12 11 11
WIND GUST 19 20 26 19 20 26 27 20 18
CLOUDS OV OV OV BK SC SC BK SC SC FW FW CL CL CL FW FW CL CL
POP 12HR 70 60 10 0 0
QPF 12HR 0.15 0.03 0.01 0 0
SNOW 12HR 2 T 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS C L C S
TSTMS
WIND CHILL 16 7
MIN CHILL 14 15 12 24 15 7 10 24 17
WINTER WEATH Y Y Y
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 34 74 39 78 43 75 38 60
TEMP 54 63 39 37 67 71 47 42 71 75 52 46 68 67 47 42 54 55
DEWPT 21 19 20 18 27 23 28 26 30 24 30 30 25 23 28 27 28 26
PWIND DIR SW SW SW SW SW S SW SW W
WIND CHAR GN GN BZ GN GN GN BZ BZ WY
AVG CLOUDS FW CL FW SC SC FW FW FW CL FW SC SC SC SC BK BK BK BK
POP 12HR 0 0 0 0 5 5 20 30 40
RAIN SHWRS S C C C C
TSTMS S
WYZ017-181000-
RIVERTON-FREMONT WY
43.06N 108.46W ELEV. 5525 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 26 43 21 57 28
TEMP 29 28 31 39 41 40 34 30 26 22 32 46 54 57 45 39 32 29
DEWPT 14 15 10 9 11 20 16 17 13 9 10 10 9 11 13 14 12 10
RH 53 58 41 28 29 44 47 58 57 57 39 23 16 16 27 35 43 44
WIND DIR N NW NW NW N N NE SW W W SW S S SW W SW SW SW
WIND SPD 18 13 14 10 12 13 9 6 6 6 5 6 9 11 10 9 6 5
WIND GUST 25 20 23 19 20 16
CLOUDS BK BK SC SC SC SC SC SC FW FW CL CL CL FW FW FW FW CL
POP 12HR 20 30 20 0 0
QPF 12HR 0.01 0.01 0 0 0
SNOW 12HR T T 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS S S S S
TSTMS
WIND CHILL 17 17 20
MIN CHILL 19 16 15 23 14 16 23
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 37 76 42 79 45 73 41 60
TEMP 57 67 47 38 66 72 53 44 71 76 57 47 68 66 49 42 55 56
DEWPT 14 15 19 16 21 18 23 24 25 20 24 25 22 21 26 26 25 24
PWIND DIR S SW W W SW SW SW SW W
WIND CHAR LT GN GN GN GN GN BZ BZ BZ
AVG CLOUDS FW FW SC SC SC SC SC FW FW FW SC FW FW FW SC SC SC SC
POP 12HR 0 0 0 0 0 5 10 30 30
RAIN SHWRS S C C C
WYZ018-181000-
LANDER-FREMONT WY
42.82N 108.73W ELEV. 5586 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 22 45 20 57 29
TEMP 30 25 28 38 43 41 34 29 25 21 31 45 54 56 45 40 34 30
DEWPT 12 12 9 5 9 19 14 12 8 6 9 8 10 10 13 12 10 9
RH 46 57 44 25 24 41 43 48 48 52 39 21 17 16 27 31 36 41
WIND DIR N W NW NW N NW W SW SW SW SW E S W SW SW SW SW
WIND SPD 8 6 10 11 10 11 6 4 4 5 2 5 9 9 6 6 5 5
WIND GUST 16 17
CLOUDS OV BK BK SC SC OV SC FW FW CL CL CL CL FW SC SC FW FW
POP 12HR 50 30 20 0 0
QPF 12HR 0.03 0.03 0.02 0 0
SNOW 12HR T T T 00-00 00-00
RAIN SHWRS
SNOWSHWRS C S C S
TSTMS
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 75 43 78 45 72 38 60
TEMP 56 67 49 40 65 72 54 45 70 75 57 47 65 65 49 40 54 55
DEWPT 14 15 16 16 20 20 24 25 26 23 24 24 22 20 23 23 25 23
PWIND DIR S SW SW W SW SW SW SW W
WIND CHAR LT LT LT GN GN GN BZ GN GN
AVG CLOUDS FW FW SC SC SC SC SC FW FW FW SC FW FW FW SC SC BK SC
POP 12HR 0 0 0 0 5 5 20 30 40
RAIN SHWRS S C C C C
SNOWSHWRS C
WYZ028-181000-
ROCK SPRINGS-SWEETWATER WY
41.61N 109.07W ELEV. 6760 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 20 39 19 51 22
TEMP 23 21 24 31 37 37 31 26 22 19 27 39 48 50 39 31 25 23
DEWPT 8 9 8 0 4 13 9 14 11 10 8 6 4 1 11 11 11 9
RH 52 59 50 26 24 37 39 60 62 67 44 25 16 13 31 43 55 54
WIND DIR W W NW NW NW W NW W W W W W W W SW S S S
WIND SPD 16 17 20 16 16 18 12 10 10 5 8 10 10 9 5 5 4 3
WIND GUST 23 26 31 24 24 27 19 18 19 16
CLOUDS OV SC SC SC SC BK SC FW FW CL CL CL FW SC FW FW FW FW
POP 12HR 10 20 10 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS
TSTMS
WIND CHILL 10 7 9 20 11
MIN CHILL 10 7 5 24 16 9 11 25 17
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 33 69 39 71 43 65 34 55
TEMP 53 62 41 33 64 68 49 40 66 69 52 43 59 56 42 35 50 53
DEWPT 8 7 13 14 15 17 24 25 23 19 22 23 18 20 23 24 21 17
PWIND DIR SW S SW SW S S S W W
WIND CHAR LT LT GN GN GN GN BZ BZ BZ
AVG CLOUDS FW FW SC SC SC SC SC CL FW FW SC FW FW FW BK SC SC SC
POP 12HR 0 0 0 0 0 5 20 20 30
RAIN SHWRS S S C
SNOWSHWRS S S C
TSTMS S
WYZ026-181000-
BIG PINEY-SUBLETTE WY
42.58N 110.11W ELEV. 6990 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 13 39 12 52 18
TEMP 18 16 23 33 37 35 26 21 17 14 24 41 50 51 37 27 22 19
DEWPT 7 7 4 1 4 14 8 12 9 7 7 7 6 6 9 10 10 8
RH 61 67 43 25 24 41 46 68 70 73 47 24 16 16 31 48 59 61
WIND DIR NW NW NW NW NW NW NW NW NW NW W SW SW W W NW N N
WIND SPD 13 13 17 18 19 20 12 8 4 2 2 4 8 10 5 3 2 2
WIND GUST 20 26 27 29 31 19 16
CLOUDS SC SC FW SC SC SC FW FW FW CL CL FW FW FW FW FW FW CL
POP 12HR 0 20 10 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
SNOWSHWRS S
WIND CHILL 4 2 9 22 24 15
MIN CHILL 6 2 0 24 11 6 13 23 19
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 26 69 31 71 33 61 28 53
TEMP 52 62 37 27 62 65 42 33 65 67 46 35 56 54 37 30 48 49
DEWPT 11 11 17 14 18 19 24 23 23 22 26 24 22 22 23 22 22 21
PWIND DIR SE NW SW W SE SW SW W W
WIND CHAR LT LT GN GN GN GN GN GN GN
AVG CLOUDS FW FW SC SC FW SC SC FW FW FW SC SC SC SC BK BK SC SC
POP 12HR 0 0 0 0 0 5 20 20 30
RAIN SHWRS S S S C
SNOWSHWRS S S C C
TSTMS S S
WYZ025-181000-
PINEDALE-SUBLETTE WY
42.80N 109.81W ELEV. 7086 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 15 36 15 49 21
TEMP 19 17 22 33 36 33 24 20 17 16 25 39 47 48 35 27 23 22
DEWPT 11 9 7 3 4 15 10 13 11 10 11 8 6 8 13 14 13 11
RH 70 70 52 27 25 47 54 74 77 77 55 27 18 19 40 57 65 62
WIND DIR NW NW NW NW NW NW NW NW NW NW W W W W N NE NE N
WIND SPD 13 13 18 17 18 21 10 8 5 2 3 6 9 8 3 2 2 2
WIND GUST 20 27 26 27 33 13 16 14
CLOUDS SC SC FW FW SC SC SC FW FW FW CL CL FW FW FW FW CL FW
POP 12HR 5 10 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
SNOWSHWRS
WIND CHILL 6 3 7 22 21
MIN CHILL 9 1 0 21 10 8 15 27 21
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 59 29 66 34 67 35 59 30 50
TEMP 52 57 36 30 61 63 42 36 64 64 44 37 57 52 35 32 48 47
DEWPT 12 13 20 17 21 20 27 26 24 22 28 26 22 22 26 25 23 21
PWIND DIR SW NE S N SE S S W W
WIND CHAR LT LT GN LT GN GN BZ GN GN
AVG CLOUDS FW FW SC SC SC SC SC FW FW FW SC SC SC SC BK BK BK BK
POP 12HR 0 0 0 0 5 5 20 20 40
RAIN SHWRS S S C
SNOWSHWRS S S C C
TSTMS S
WYZ013-181000-
JACKSON-TETON WY
43.60N 110.73W ELEV. 6451 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 15 36 15 48 21
TEMP 19 16 21 31 34 34 27 23 18 15 24 38 45 47 35 29 24 21
DEWPT 10 9 10 7 9 17 13 15 11 9 12 14 14 16 16 15 12 11
RH 67 73 62 36 35 49 55 71 73 77 60 37 28 28 45 55 60 65
WIND DIR E SE SW W W W S S S NE SW SW SW SW S SE SE E
WIND SPD 5 5 8 10 12 12 8 4 3 2 3 5 6 6 4 4 4 5
WIND GUST 19 19 13 14
CLOUDS BK SC SC SC SC SC SC SC FW CL CL FW FW SC FW FW CL FW
POP 12HR 20 40 30 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
SNOWSHWRS S C C S
TSTMS S S
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 59 30 65 35 67 37 58 31 49
TEMP 49 58 39 31 58 62 43 37 60 63 46 38 51 50 38 33 43 46
DEWPT 16 22 22 20 26 27 28 28 28 27 30 30 29 28 28 28 27 24
PWIND DIR S SE S S S SE SW SW SW
WIND CHAR LT LT LT LT GN LT GN GN GN
AVG CLOUDS FW SC SC SC SC FW SC FW FW FW SC SC SC SC BK BK BK BK
POP 12HR 0 0 0 5 5 20 40 50 50
RAIN SHWRS S S C C C C C
SNOWSHWRS C C C C
TSTMS S S
WYZ001-181000-
LAKE YELLOWSTONE-TETON WY
44.55N 110.42W ELEV. 7835 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 8 28 7 39 15
TEMP 12 10 14 24 26 26 19 14 11 8 17 32 37 39 27 20 17 15
DEWPT 6 5 7 7 9 18 13 10 7 4 10 13 13 15 16 13 12 10
RH 76 80 73 47 48 71 77 84 83 83 73 45 37 37 63 74 80 80
WIND DIR NW W W W W W W NW W N SW SW SW SW SW N N N
WIND SPD 5 4 6 10 11 11 6 4 3 0 1 4 5 4 1 0 0 0
WIND GUST 9 14 18 18 10
CLOUDS SC SC SC BK BK BK SC SC SC SC FW CL FW SC FW FW FW FW
POP 12HR 10 60 40 0 0
QPF 12HR 0 0.03 0.02 0 0
SNOW 12HR 00-00 T T 00-00 00-00
SNOWSHWRS C L C
TSTMS S S
WIND CHILL 15 15
MIN CHILL 5 0 1 14 6 2 9 30 20 15
WINTER STORM W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 56 29 58 31 51 28 42
TEMP 42 49 29 24 51 53 34 30 54 56 37 33 46 45 32 29 38 40
DEWPT 16 20 22 17 24 25 26 24 26 27 28 27 26 26 27 26 22 22
PWIND DIR SW S SW S S S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC FW SC FW FW FW SC SC SC SC BK BK BK BK
POP 12HR 0 0 0 5 5 10 50 60 60
RAIN SHWRS S C L
SNOWSHWRS S C L C L L
WYZ003-181000-
CODY-PARK WY
44.52N 109.02W ELEV. 5102 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 22 43 23 57 32
TEMP 25 24 30 40 41 37 32 30 26 24 34 47 55 56 45 39 35 33
DEWPT 14 11 9 13 16 23 19 19 15 12 11 11 13 17 16 17 14 12
RH 62 57 41 33 36 56 58 63 62 60 38 23 18 21 31 40 41 41
WIND DIR W W W N NW N W W SW W W W W W SW SW SW SW
WIND SPD 8 6 12 13 13 12 5 3 9 6 5 9 12 13 10 10 10 10
WIND GUST 19 20 20 19 13 14 18 20 24 19 19 19 18
CLOUDS SC SC SC SC BK OV BK SC FW FW CL CL CL FW SC FW FW FW
POP 12HR 10 30 30 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
SNOWSHWRS S C C S
TSTMS S S
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 42 75 45 79 48 72 41 58
TEMP 60 66 48 43 69 72 54 47 74 76 56 50 69 64 49 44 54 52
DEWPT 15 19 23 19 21 20 27 26 23 23 28 28 25 29 30 29 26 27
PWIND DIR SW SW SW W SW SW SW W NW
WIND CHAR GN GN GN GN GN GN BZ BZ BZ
AVG CLOUDS FW FW SC BK SC SC SC SC SC FW SC SC SC SC SC BK BK BK
POP 12HR 0 0 0 0 5 5 20 40 50
RAIN SHWRS S C C C C
SNOWSHWRS C
TSTMS S
WYZ004-181000-
GREYBULL-BIG HORN WY
44.52N 108.08W ELEV. 3939 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 26 49 24 58 28
TEMP 31 27 31 41 45 45 38 34 28 25 31 45 55 58 47 39 32 29
DEWPT 22 18 17 11 15 26 22 27 22 21 21 20 16 13 18 19 18 17
RH 69 68 56 29 29 47 52 75 78 84 66 36 21 17 31 44 56 60
WIND DIR NW NW NW NW NW N NW NW NW E S SE SE SE E SE SE SE
WIND SPD 13 10 13 17 18 16 10 8 3 2 3 5 8 9 6 4 3 3
WIND GUST 20 26 27 24 17 17
CLOUDS BK SC SC SC SC SC SC BK SC SC FW CL CL CL FW FW FW CL
POP 12HR 20 20 20 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS S
TSTMS S
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 37 78 43 83 48 80 41 64
TEMP 57 69 47 37 66 76 55 44 73 80 59 48 72 73 52 43 56 59
DEWPT 19 14 23 21 24 22 28 28 30 25 30 29 29 28 33 31 31 27
PWIND DIR SE SE SE E S SE S W NW
WIND CHAR LT LT LT LT LT GN GN BZ BZ
AVG CLOUDS CL FW FW SC SC FW SC SC FW FW SC SC SC FW SC BK BK SC
POP 12HR 0 0 0 0 0 5 20 40 50
RAIN SHWRS S C C C C
WYZ006-181000-
WORLAND-WASHAKIE WY
43.97N 107.95W ELEV. 4227 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 24 48 20 58 24
TEMP 29 27 30 41 44 43 35 31 27 23 30 46 55 58 43 35 29 25
DEWPT 19 16 13 9 11 26 21 25 22 18 19 17 12 12 17 18 16 13
RH 66 63 49 26 26 51 56 78 81 81 63 31 18 16 35 49 58 60
WIND DIR NW NW NW NW NW NW W NW W S SE S SE E E SE SE SE
WIND SPD 13 11 13 13 14 13 9 8 4 2 2 3 5 8 5 2 2 3
WIND GUST 20 20 23 20 10 14 14
CLOUDS BK SC SC SC SC BK BK BK SC SC CL CL CL CL FW FW FW CL
POP 12HR 30 20 40 0 0
QPF 12HR 0.05 0 0.01 0 0
SNOW 12HR T 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS S S C S S
TSTMS
WIND CHILL 18 19
MIN CHILL 21 16 14 24 18 21 21
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 34 80 39 84 43 80 39 65
TEMP 58 70 44 35 70 77 52 42 75 81 57 46 72 72 49 42 57 59
DEWPT 16 13 21 18 25 18 26 26 29 22 28 27 25 23 31 29 29 26
PWIND DIR SE SE SE W S S S W NW
WIND CHAR LT LT LT LT GN GN GN BZ BZ
AVG CLOUDS FW FW FW SC SC FW SC SC CL FW SC SC SC FW SC BK SC SC
POP 12HR 0 0 0 0 5 5 20 40 50
RAIN SHWRS S C C C C
TSTMS S
WYZ005-181000-
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY
43.71N 108.39W ELEV. 4902 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 22 45 18 56 25
TEMP 27 24 30 39 41 39 33 29 24 22 30 45 54 56 43 37 30 26
DEWPT 19 14 14 13 17 27 23 23 18 15 15 16 16 17 18 17 14 10
RH 71 65 51 34 37 62 66 78 77 74 53 31 22 21 36 44 51 50
WIND DIR NW NW N N N NW NW W W W S S SE E SE W W SW
WIND SPD 11 10 10 12 14 10 5 4 5 3 3 5 9 9 5 4 4 3
WIND GUST 19 23 13 16 16
CLOUDS BK BK SC SC BK BK BK SC FW FW CL CL CL FW FW SC FW FW
POP 12HR 50 40 40 0 0
QPF 12HR 0.06 0.02 0.04 0 0
SNOW 12HR 1 00-00 T 00-00 00-00
RAIN SHWRS
SNOWSHWRS C C
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 36 76 41 79 44 75 39 62
TEMP 57 67 46 37 68 74 53 43 73 77 56 46 71 68 48 42 56 56
DEWPT 17 18 21 18 24 23 26 26 28 24 28 28 25 25 30 30 31 29
PWIND DIR S S SW W SW SW S W NW
WIND CHAR LT LT GN GN GN GN GN BZ BZ
AVG CLOUDS FW FW SC SC SC SC SC FW FW CL SC FW SC FW SC SC BK SC
POP 12HR 0 0 0 0 5 5 20 40 50
RAIN SHWRS S C C C C
WYZ010-181000-
BUFFALO-JOHNSON WY
44.38N 106.72W ELEV. 4968 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 23 40 22 51 30
TEMP 25 24 29 34 38 36 29 28 26 23 33 42 48 50 38 35 34 31
DEWPT 18 17 16 14 16 24 18 17 15 12 15 19 18 20 19 16 14 11
RH 74 74 58 43 40 61 63 63 62 62 47 39 30 30 46 45 43 43
WIND DIR NW NW N N N N W W W SW W NW NW NW SW SW W W
WIND SPD 9 10 19 24 24 17 9 6 6 6 6 11 10 6 6 8 8 9
WIND GUST 29 36 36 26 20 19 13
CLOUDS BK OV SC SC SC BK BK SC SC FW FW FW CL CL FW FW FW FW
POP 12HR 40 50 30 5 0
QPF 12HR 0.01 0.01 0.01 0 0
SNOW 12HR T T T 00-00 00-00
RAIN SHWRS
SNOWSHWRS C C C
TSTMS S
WIND CHILL 16 22 27
MIN CHILL 15 14 12 24 20 15 18 28 23
WINTER WEATH Y
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 39 73 44 77 47 74 40 59
TEMP 57 61 44 41 68 70 51 47 73 74 55 50 70 68 49 43 52 52
DEWPT 20 21 21 18 27 28 28 26 30 28 29 28 29 28 30 29 29 28
PWIND DIR S SW NW W SW SW SW W NW
WIND CHAR LT LT LT LT GN GN BZ BZ BZ
AVG CLOUDS CL CL FW SC SC FW FW FW FW FW FW SC SC SC SC BK BK BK
POP 12HR 0 0 0 0 0 5 20 40 50
RAIN SHWRS S C C C C
SNOWSHWRS C
TSTMS S S
WYZ012-181000-
RENDEZVOUS MOUNTAIN-TETON WY
43.59N 110.89W ELEV. 10318 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 -1 12 2 23 10
TEMP 1 0 2 6 8 9 6 5 4 2 8 15 19 22 15 13 12 10
DEWPT 1 0 1 3 5 6 4 4 3 -1 3 6 10 12 8 6 3 2
RH 100100 95 87 87 87 91 95 95 87 79 67 67 65 73 73 66 69
WIND DIR NW NW NW NW W W W W W NW W W W SW SW S S S
WIND SPD 11 12 13 14 13 17 12 10 11 8 9 11 10 11 10 10 10 11
WIND GUST 19 20 23 20 26 19 19 20 20
CLOUDS SC SC SC SC SC SC SC SC FW CL CL CL FW FW FW FW CL CL
POP 12HR 30 50 40 0 0
QPF 12HR 0.01 0.09 0.04 0 0
SNOW 12HR T 1 1 00-00 00-00
SNOWSHWRS S S C C C C
TSTMS S S
WIND CHILL -16-18-16-12 -8 -9-10-10-12-12 -5 2 7 10 2 0 -1 -5
MIN CHILL -11 -18 -18 -10 -10 -12 -9 4 0 -5
WINTER STORM W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 34 19 41 24 43 24 33 18 24
TEMP 26 33 22 20 33 36 28 26 37 38 29 27 28 24 21 20 19 21
DEWPT 9 19 12 9 19 22 18 18 21 22 20 20 21 21 20 18 19 18
PWIND DIR SW W W S S S SW SW W
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW SC SC SC FW FW FW FW FW SC SC SC SC BK BK BK BK
POP 12HR 0 0 5 5 10 20 60 60 70
RAIN SHWRS S S L
SNOWSHWRS S C L L L L L
TSTMS S S
WYZ023-181000-
AFTON-LINCOLN WY
42.71N 110.94W ELEV. 6201 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 15 39 16 51 23
TEMP 19 17 20 31 37 38 29 24 19 18 24 39 49 50 37 30 26 24
DEWPT 16 13 14 9 13 22 17 19 15 14 13 14 16 16 20 19 16 13
RH 88 84 77 39 37 52 60 81 84 84 62 35 26 25 50 63 65 62
WIND DIR N NW N NW NW NW N SE SE N SW W W W SE SE SE SE
WIND SPD 6 5 6 9 11 11 5 4 3 0 1 2 2 3 2 2 2 2
CLOUDS OV BK SC SC BK BK SC SC FW FW FW FW FW SC FW FW FW FW
POP 12HR 50 30 10 0 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00 00-00 00-00
SNOWSHWRS S S
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 33 68 38 69 38 60 31 51
TEMP 53 62 39 34 61 65 44 40 62 66 48 38 52 51 36 32 44 48
DEWPT 19 23 25 22 29 29 31 30 31 29 34 30 32 31 31 31 31 29
PWIND DIR S SE S S S S SW W W
WIND CHAR LT LT LT LT GN LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC FW FW SC SC BK SC SC BK OV BK BK
POP 12HR 0 0 5 5 10 20 50 50 60
RAIN SHWRS S S C C C C L L
SNOWSHWRS C C C L L
TSTMS S S
WYZ004-181000-
POWELL-PARK WY
44.87N 108.79W ELEV. 5092 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 22 43 25 54 31
TEMP 26 24 30 39 42 38 32 29 27 25 33 44 52 53 44 38 33 32
DEWPT 14 12 10 10 13 22 19 19 17 14 15 13 12 13 16 16 14 15
RH 60 60 42 30 30 52 58 66 65 62 47 28 20 20 32 40 45 49
WIND DIR NW W NW NW NW N N NW W SW SE SE SE SE S S S S
WIND SPD 13 10 14 21 20 21 14 10 9 5 9 12 11 13 10 10 9 9
WIND GUST 23 33 31 33 23 19 19 20
CLOUDS SC SC SC SC BK BK SC SC SC FW CL CL CL CL FW CL CL CL
POP 12HR 5 20 30 0 0
QPF 12HR 0 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
SNOWSHWRS S S
TSTMS S
WIND CHILL 14 19 27
MIN CHILL 10 9 14 27 20 18 20 31 23
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 42 71 45 77 49 73 42 57
TEMP 56 64 47 42 65 69 53 47 70 74 56 50 68 63 50 45 53 51
DEWPT 14 15 20 19 22 19 26 24 25 22 27 28 25 29 30 29 28 26
PWIND DIR SE S SE SW SE SW SE W NW
WIND CHAR GN GN GN GN GN GN BZ BZ BZ
AVG CLOUDS CL FW FW SC SC SC FW SC FW FW SC SC SC SC SC BK BK BK
POP 12HR 0 0 0 0 0 5 30 40 50
RAIN SHWRS C C C C C
SNOWSHWRS C
TSTMS S
WYZ004-181000-
COWLEY-BIG HORN WY
44.91N 108.45W ELEV. 4090 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 25 47 25 57 31
TEMP 28 25 32 42 45 43 37 32 28 26 32 46 55 57 46 40 34 31
DEWPT 18 17 17 14 17 27 24 26 23 22 22 21 18 18 20 20 19 18
RH 66 71 53 31 32 53 59 78 81 85 66 37 23 21 35 44 54 58
WIND DIR NW NW NW NW NW NW NW W W E SE S SE SE SE SE SE SE
WIND SPD 9 6 14 18 19 14 10 8 4 2 5 9 11 11 5 5 5 4
WIND GUST 23 27 29 23 17 17 20 19 12
CLOUDS SC SC BK FW SC BK SC SC SC SC FW CL CL CL FW CL CL CL
POP 12HR 10 20 20 0 0
QPF 12HR 0 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS S
TSTMS S
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 77 45 81 49 78 41 62
TEMP 57 68 48 41 66 75 55 46 73 78 58 51 71 70 52 44 55 58
DEWPT 21 19 22 22 26 24 29 28 30 27 31 30 32 32 33 32 34 31
PWIND DIR SE SE SE N SE SE S W NW
WIND CHAR GN LT LT LT GN GN GN BZ BZ
AVG CLOUDS CL FW FW SC SC SC FW FW FW FW SC SC SC SC SC BK BK BK
POP 12HR 0 0 0 0 0 5 30 40 50
RAIN SHWRS C C C C C
SNOWSHWRS C
TSTMS S S
WYZ016-181000-
DUBOIS-FREMONT WY
43.55N 109.69W ELEV. 7291 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 17 35 20 48 26
TEMP 19 18 23 32 35 32 25 23 22 20 28 41 46 47 35 30 28 26
DEWPT 5 6 6 4 7 13 8 11 11 9 8 7 8 12 13 13 10 8
RH 54 59 47 30 30 45 48 59 62 62 42 24 21 24 40 49 46 46
WIND DIR W W W NW W W W W W W W W W W W W W W
WIND SPD 13 13 17 19 19 19 12 11 11 11 13 18 18 16 11 10 10 10
WIND GUST 20 26 29 29 29 19 18 23 27 27 27 19 18
CLOUDS SC SC SC SC SC SC FW FW FW CL CL CL CL FW FW FW FW FW
POP 12HR 10 40 20 5 0
QPF 12HR 0 0.02 0.01 0 0
SNOW 12HR 00-00 T T 00-00 00-00
SNOWSHWRS S C S
TSTMS S
WIND CHILL 6 4 9 20 24 20 14 12 10 8 17
MIN CHILL 8 3 2 20 12 8 9 21 16
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 59 35 64 38 66 40 60 35 50
TEMP 54 57 38 36 61 61 43 40 63 63 46 41 57 52 40 37 48 46
DEWPT 13 19 19 17 21 22 25 25 24 24 28 27 23 24 25 25 22 21
PWIND DIR W W W SW SW SW SW W W
WIND CHAR GN GN GN GN GN GN BZ BZ BZ
AVG CLOUDS FW FW SC SC SC FW FW FW FW FW SC SC FW SC SC SC BK SC
POP 12HR 0 0 5 5 10 20 40 50 60
RAIN SHWRS S S S C C C L
SNOWSHWRS C C C C L
WYZ027-181000-
KEMMERER-LINCOLN WY
41.83N 110.56W ELEV. 7285 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 15 38 16 49 24
TEMP 18 17 21 31 35 36 27 23 20 18 26 39 47 49 38 31 26 24
DEWPT 11 11 9 5 9 18 12 14 11 10 9 9 9 11 13 15 12 12
RH 73 77 59 32 33 47 53 68 67 70 48 28 21 21 35 51 55 60
WIND DIR W W NW NW NW W W W W W W W W W NW W NW N
WIND SPD 12 12 18 17 18 19 11 8 6 3 3 6 10 6 2 1 1 1
WIND GUST 19 27 26 27 29 14 17 14
CLOUDS SC FW FW FW SC FW FW FW CL CL CL CL FW FW FW FW CL FW
POP 12HR 10 20 30 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
SNOWSHWRS S C
WIND CHILL 5 4 6 20 24 25
MIN CHILL 5 4 2 21 14 9 12 31 24
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 32 66 37 68 38 58 31 51
TEMP 51 61 41 33 61 64 46 39 64 65 49 40 53 50 37 33 46 47
DEWPT 12 14 19 17 22 23 28 27 25 25 28 25 25 24 25 26 25 23
PWIND DIR S SW SW SW S SW SW W W
WIND CHAR LT LT GN LT GN GN GN GN GN
AVG CLOUDS FW FW SC SC SC SC SC CL FW FW SC SC FW SC SC SC SC SC
POP 12HR 0 0 0 0 5 5 30 20 30
RAIN SHWRS S C S C
SNOWSHWRS S C S S C C
TSTMS S S
WYZ023-181000-
ALPINE-LINCOLN WY
43.18N 111.04W ELEV. 5634 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 20 39 20 51 25
TEMP 23 21 24 32 37 39 32 28 24 22 27 40 49 51 40 33 28 26
DEWPT 18 16 16 11 14 22 18 22 19 18 16 17 19 19 21 21 19 18
RH 81 81 71 41 38 50 56 78 81 84 63 39 30 28 46 61 68 71
WIND DIR NW NW NW NW NW NW NW S E E S SW SW SW SE SE E E
WIND SPD 4 4 5 8 10 9 5 2 2 2 2 4 5 4 2 2 3 3
WIND GUST 11 12 11
CLOUDS SC SC SC SC BK SC SC SC FW CL CL FW FW SC FW FW CL FW
POP 12HR 20 30 10 0 0
QPF 12HR 0 0.01 0 0 0
SNOW 12HR 00-00 T 00-00 00-00 00-00
SNOWSHWRS S S
TSTMS S S
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 34 68 40 70 42 60 36 50
TEMP 53 63 43 35 62 67 48 43 63 68 51 44 53 52 42 38 44 49
DEWPT 21 25 29 26 32 30 34 33 33 29 35 35 33 32 34 34 33 29
PWIND DIR S SE S S SE SE SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC FW FW FW SC BK SC SC BK OV BK BK
POP 12HR 0 0 5 5 10 20 60 50 60
RAIN SHWRS S S C L C C L L
SNOWSHWRS C L L
TSTMS S S
WYZ023-181000-
COKEVILLE-LINCOLN WY
42.05N 110.97W ELEV. 6270 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 14 38 13 50 20
TEMP 18 16 20 32 36 36 27 22 19 16 23 39 48 50 37 29 24 21
DEWPT 14 12 11 8 11 21 15 17 15 12 11 12 14 16 18 18 16 12
RH 84 84 67 36 35 54 60 81 84 84 59 32 25 25 46 63 71 68
WIND DIR NW NW NW NW NW NW W SW S S S SW W W N E E E
WIND SPD 9 9 11 13 14 13 6 3 3 2 2 4 4 3 2 2 2 2
WIND GUST 20 23 20
CLOUDS SC FW CL FW SC SC SC FW FW CL CL FW SC FW FW FW CL CL
POP 12HR 20 20 10 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
SNOWSHWRS S
WIND CHILL 7 4 8
MIN CHILL 12 4 3 26 17 12 14 29 21
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 31 67 36 69 37 58 30 51
TEMP 53 62 38 32 62 65 45 38 64 66 48 39 51 51 36 32 44 49
DEWPT 17 20 23 20 28 27 30 29 29 28 32 28 29 29 29 28 29 27
PWIND DIR S SE S S S S SW W W
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS FW FW SC SC SC SC SC CL FW FW SC SC FW SC BK BK SC BK
POP 12HR 0 0 0 0 5 10 40 30 50
RAIN SHWRS C C C C C C
SNOWSHWRS C C C
TSTMS S S
WYZ028-181000-
GREEN RIVER-SWEETWATER WY
41.46N 109.49W ELEV. 7182 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 21 43 20 54 24
TEMP 24 22 26 36 40 40 34 29 24 20 28 43 51 54 42 33 27 24
DEWPT 9 9 10 6 9 14 10 14 10 9 8 10 9 7 11 11 10 9
RH 52 57 50 28 27 34 36 53 54 62 42 25 18 15 28 39 48 52
WIND DIR W W W NW W W W W W W W W SW SW S S S S
WIND SPD 13 13 17 13 16 16 13 9 8 2 4 9 9 6 3 4 2 2
WIND GUST 20 26 20 24 24 20 16
CLOUDS BK FW SC SC SC SC SC FW CL CL CL CL FW SC FW FW CL FW
POP 12HR 10 20 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS
TSTMS
WIND CHILL 12 9 13
MIN CHILL 15 9 8 28 19 13 20 29 24
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 34 72 40 74 44 67 36 57
TEMP 56 66 44 34 66 70 51 42 69 71 55 44 62 57 43 37 53 55
DEWPT 12 12 14 14 20 23 25 25 27 24 22 23 24 25 23 24 26 23
PWIND DIR SW S SW S S S S W W
WIND CHAR LT LT LT GN GN GN BZ BZ GN
AVG CLOUDS FW FW SC SC SC SC SC CL FW FW SC SC FW FW BK SC SC SC
POP 12HR 0 0 0 0 5 5 20 20 30
RAIN SHWRS S S S C
SNOWSHWRS S S
TSTMS S S
WYZ017-181000-
SHOSHONI-FREMONT WY
43.25N 108.12W ELEV. 4817 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 26 46 22 57 26
TEMP 30 28 32 39 43 42 36 31 26 23 31 44 54 57 46 38 32 27
DEWPT 20 17 15 12 16 27 23 23 19 17 17 15 14 15 16 16 15 15
RH 66 63 49 32 33 55 59 72 74 77 56 30 20 19 29 40 49 60
WIND DIR N NW NW NW N N NW W W SW SW SW S SW SW SW S S
WIND SPD 20 11 12 11 11 12 8 4 4 3 4 5 6 9 6 5 5 4
WIND GUST 28 19 19 13 16
CLOUDS BK BK SC SC BK BK BK SC FW FW CL CL CL FW FW FW FW FW
POP 12HR 30 30 20 0 0
QPF 12HR 0.05 0.03 0.01 0 0
SNOW 12HR 1 T 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS S S S S
TSTMS
WIND CHILL 17
MIN CHILL 21 17 17 26 18 20 22
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 36 77 42 80 47 77 41 63
TEMP 56 68 48 37 65 75 53 43 73 78 59 48 71 69 50 43 56 59
DEWPT 18 17 21 20 24 23 26 28 30 25 26 30 25 24 30 31 32 28
PWIND DIR S S SW SW S S S SW NW
WIND CHAR LT LT LT GN GN GN BZ BZ GN
AVG CLOUDS FW FW FW SC SC FW SC FW CL CL SC FW SC FW SC BK SC SC
POP 12HR 0 0 0 0 0 5 20 30 40
RAIN SHWRS S S C C C
WYZ005-181000-
THERMOPOLIS-HOT SPRINGS WY
43.66N 108.21W ELEV. 4592 FT
1246 AM MDT FRI APR 17 2026
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 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 25 47 20 58 26
TEMP 28 27 31 40 43 42 36 31 27 22 32 46 55 58 45 38 32 27
DEWPT 19 16 15 13 17 28 24 25 21 17 18 16 16 15 19 18 16 13
RH 68 63 51 33 35 57 61 78 78 81 56 29 21 18 35 44 51 55
WIND DIR NW NW N N N NW W SW SW SW S S S E SE SW SW SW
WIND SPD 12 11 12 13 12 11 6 4 5 2 3 5 8 9 5 4 3 3
WIND GUST 19 20 19 12 16
CLOUDS OV BK SC SC SC BK BK SC FW FW CL CL CL FW FW FW FW FW
POP 12HR 50 30 40 0 0
QPF 12HR 0.08 0.01 0.05 0 0
SNOW 12HR 1 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS S S C
TSTMS
WIND CHILL 17 16
MIN CHILL 18 15 14 26 17 21 22
FREEZE W W W W W W W W W W
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 37 78 42 81 46 78 40 64
TEMP 58 69 47 38 69 76 54 44 74 79 59 48 71 70 51 42 57 59
DEWPT 18 17 21 19 25 23 27 27 29 25 29 29 26 25 32 31 32 29
PWIND DIR S S SW SW S S S W NW
WIND CHAR LT LT GN LT GN GN BZ BZ BZ
AVG CLOUDS FW FW FW SC SC FW SC FW CL CL SC FW SC FW SC BK BK SC
POP 12HR 0 0 0 0 5 5 20 40 50
RAIN SHWRS S C C C 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