638
FOUS55 KRIW 200716
PFMRIW
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE RIVERTON WY
1216 AM MST SAT DEC 20 2025
WYZ020-211100-
CASPER-NATRONA WY
42.91N 106.46W ELEV. 5530 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 40 24 53 39
TEMP 30 26 25 37 40 33 27 26 29 32 36 47 53 48 46 46 44 45
DEWPT 26 22 21 18 16 12 11 14 20 23 27 31 31 33 32 33 30 30
RH 85 85 84 46 37 41 50 60 69 69 69 53 43 56 58 60 57 55
WIND DIR NE NW W W W W SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 9 2 1 18 20 10 8 12 8 10 14 19 21 21 24 25 26 26
WIND GUST 28 32 17 20 24 21 29 34 32 36 40 41 42
CLOUDS BK SC FW CL CL CL FW SC BK SC BK OV BK BK SC SC SC SC
POP 12HR 70 5 0 5 0
QPF 12HR 0.08 0 0 0 0
SNOW 12HR 1 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS L
WIND CHILL 15
MIN CHILL 22 22 25 15 17 24
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 58 35 60 40 60 38 56 35 51
TEMP 54 51 42 38 54 53 45 45 57 54 46 45 52 49 42 41 47 43
DEWPT 32 31 30 22 27 23 20 19 23 28 31 30 32 32 30 27 27 25
PWIND DIR SW SW SW SW SW SW SW SW SW
WIND CHAR WY BZ BZ BZ WY WY WY BZ WY
AVG CLOUDS SC SC BK BK BK BK BK BK FW FW BK BK BK BK SC FW SC SC
POP 12HR 0 5 0 0 0 20 20 20 10
RAIN SHWRS S S S S S S
SNOWSHWRS S S S
WYZ017-211100-
RIVERTON-FREMONT WY
43.06N 108.46W ELEV. 5525 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 43 23 48 34
TEMP 32 27 25 37 41 35 29 26 25 26 26 39 47 43 40 40 38 38
DEWPT 24 20 18 15 10 11 12 11 11 15 16 23 26 29 28 29 29 28
RH 72 74 74 40 27 36 48 52 55 62 65 52 43 57 62 64 70 67
WIND DIR NE E E W W W W SW SW N NW NW SW SW SW SW SW SW
WIND SPD 5 4 1 6 14 4 2 3 2 3 5 5 9 10 13 13 16 14
WIND GUST 19 26 17 18 20 23 24 23
CLOUDS SC FW CL CL CL CL FW SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 20 0 0 30 40
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C C C C C
SNOWSHWRS S S C
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 56 31 56 35 57 35 54 32 49
TEMP 50 50 39 32 48 50 42 38 53 51 45 40 48 48 42 36 44 43
DEWPT 33 30 27 23 30 26 23 22 27 30 30 29 30 29 27 24 26 22
PWIND DIR SW SW SW S S S SW SW SW
WIND CHAR GN GN GN GN BZ BZ GN BZ GN
AVG CLOUDS BK SC BK SC BK BK SC SC SC BK BK BK BK BK SC SC BK BK
POP 12HR 30 10 5 5 20 30 30 30 20
RAIN SHWRS C S S C C C C C C S S
SNOWSHWRS S C S C C S S
WYZ018-211100-
LANDER-FREMONT WY
42.82N 108.73W ELEV. 5586 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 42 24 50 35
TEMP 32 28 27 39 42 36 30 27 27 28 28 41 49 46 44 43 42 40
DEWPT 27 18 15 19 16 14 11 10 11 18 19 26 29 30 31 30 29 29
RH 81 66 60 44 34 40 44 48 50 66 68 55 46 53 60 60 60 64
WIND DIR NE N N N N N E SE SE N SW W SW SW SW SW SW SW
WIND SPD 8 6 5 6 13 1 2 4 1 3 5 8 12 13 14 16 14 13
WIND GUST 19 26 24 24 25 25 23
CLOUDS BK FW FW CL CL CL FW SC FW SC SC SC SC SC SC BK SC BK
POP 12HR 20 5 5 60 60
QPF 12HR 0 0 0 0.07 0.15
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C L L L L C C C
SNOWSHWRS C C
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 54 31 55 34 56 34 54 30 48
TEMP 49 49 40 34 47 50 42 39 50 50 44 38 48 49 40 35 43 42
DEWPT 32 30 27 21 28 25 21 20 27 29 29 27 30 29 26 23 26 22
PWIND DIR SW SW SW SW SW SW SW SW SW
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS BK SC BK BK BK BK BK BK SC BK OV OV BK BK BK SC BK BK
POP 12HR 50 30 10 5 30 50 40 40 30
RAIN SHWRS C C C C C C C C C C C S
SNOWSHWRS S S S S C C S
WYZ028-211100-
ROCK SPRINGS-SWEETWATER WY
41.61N 109.07W ELEV. 6760 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 40 28 50 34
TEMP 38 34 33 36 40 36 32 30 30 31 30 44 49 46 42 40 38 36
DEWPT 33 29 30 29 26 26 25 25 23 24 26 31 33 33 32 31 28 30
RH 82 82 89 75 57 67 75 81 75 75 85 60 54 60 67 70 67 79
WIND DIR W W W W W NW SW SW S E S SW SW SW SW S S SW
WIND SPD 14 10 6 13 21 5 5 3 2 2 8 10 13 11 12 13 12 12
WIND GUST 33 21 21 31 16 19 23 19 19 20 19 19
CLOUDS SC OV OV BK SC SC SC SC SC SC BK BK OV BK BK BK BK BK
POP 12HR 30 30 0 20 10
QPF 12HR 0.02 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S S S
SNOWSHWRS C S
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 50 31 52 36 51 34 49 30 44
TEMP 45 44 36 31 45 46 41 39 47 46 40 36 44 44 37 33 40 39
DEWPT 31 33 29 24 27 23 20 20 24 28 31 30 33 32 29 26 27 27
PWIND DIR SW S S S S S SW SW SW
WIND CHAR GN GN GN GN BZ GN GN GN GN
AVG CLOUDS BK SC SC BK BK BK BK BK BK BK OV OV BK BK SC FW SC BK
POP 12HR 20 10 0 5 20 50 40 40 30
RAIN SHWRS S S C C C C C C
SNOWSHWRS S C C C C C C
WYZ026-211100-
BIG PINEY-SUBLETTE WY
42.58N 110.11W ELEV. 6990 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 16 35 17 43 29
TEMP 28 24 22 32 35 29 22 19 20 22 24 36 43 39 35 36 34 33
DEWPT 22 18 18 24 22 20 17 14 16 20 24 33 33 32 32 32 30 30
RH 78 77 84 72 59 69 81 80 84 92100 89 67 76 89 85 85 89
WIND DIR W NW NE NW W E SE E NE E SE S SW SW S SW SW SW
WIND SPD 10 8 3 10 13 3 4 4 3 2 4 8 13 12 13 13 13 11
WIND GUST 26 23 24 24 14 23 20 20 21 20 19
CLOUDS BK SC SC FW FW FW SC BK BK BK OV OV BK BK BK BK BK BK
POP 12HR 50 5 40 90 70
QPF 12HR 0.01 0 0 0.10 0.05
SNOW 12HR 00-00 00-00 00-00 T 00-00
RAIN SHWRS D D L L L L L
SNOWSHWRS C L L D S
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 45 23 46 22 45 24 44 20 39
TEMP 41 39 30 24 38 40 29 25 39 40 32 29 39 39 29 24 34 33
DEWPT 34 31 28 22 30 27 21 20 29 29 27 26 31 30 25 21 25 22
PWIND DIR SW S S S S S SW SW SW
WIND CHAR GN LT LT LT GN GN GN GN GN
AVG CLOUDS BK BK BK BK OV BK SC BK BK BK OV OV OV BK BK SC OV BK
POP 12HR 70 30 10 5 40 60 50 40 40
RAIN SHWRS L L C S S C C L S S S
SNOWSHWRS C S S S S L C C C C C C
WYZ025-211100-
PINEDALE-SUBLETTE WY
42.80N 109.81W ELEV. 7086 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 33 16 40 29
TEMP 24 20 20 28 31 26 20 20 21 24 28 35 40 38 34 34 32 33
DEWPT 20 15 17 22 22 19 15 15 17 23 27 31 31 34 33 33 32 31
RH 84 81 88 78 69 74 81 81 84 96 96 85 70 85 96 96100 92
WIND DIR W N NE NW NW SE E E E SE SE S S S S S S SW
WIND SPD 9 0 2 3 4 2 4 3 3 4 5 8 11 10 10 10 10 10
WIND GUST 21 11 12 18 16 19 19 19 20 19 20
CLOUDS OV BK SC SC FW FW SC BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 40 20 40 90 80
QPF 12HR 0.02 0 0.01 0.14 0.10
SNOW 12HR T 00-00 00-00 1 00-00
RAIN SHWRS S D D D L L D
SNOWSHWRS S C D D D D
WINTER WEATH Y
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 43 25 43 24 43 24 41 20 36
TEMP 40 37 30 26 38 37 28 26 40 38 31 29 38 35 28 24 32 30
DEWPT 34 32 29 25 29 27 22 21 28 30 29 26 29 29 25 21 24 22
PWIND DIR SW S SE SE SE S SW S SW
WIND CHAR GN LT LT GN GN GN GN GN GN
AVG CLOUDS OV OV OV OV OV BK SC BK OV OV OV OV OV OV BK SC OV BK
POP 12HR 80 40 20 10 50 60 50 40 40
RAIN SHWRS D L C C S S C L L
SNOWSHWRS S C C S S S L L C C C C C C
WYZ013-211100-
JACKSON-TETON WY
43.60N 110.73W ELEV. 6451 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 31 21 40 34
TEMP 26 20 20 29 31 26 23 24 25 28 29 33 38 39 37 38 36 36
DEWPT 20 14 14 19 21 19 17 18 21 25 28 31 32 34 33 35 34 34
RH 78 77 77 66 66 74 77 77 84 88 96 92 79 82 85 89 92 92
WIND DIR SW SW SW SW SW S SW SW SW SW S S S S SW SW SW SW
WIND SPD 6 8 8 12 10 10 6 9 8 8 9 10 13 13 16 16 16 14
WIND GUST 14 16 14 24 20 17 17 16 16 17 21 25 27 27 28 27
CLOUDS BK SC SC FW FW FW SC BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 30 20 60 100 100
QPF 12HR 0 0 0.05 0.43 0.41
SNOW 12HR 00-00 00-00 1 2 00-00
RAIN SHWRS D D D D D D D
SNOWSHWRS S S L D D D D S
TSTMS
WINTER WEATH Y
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 41 29 44 28 42 24 41 25 38
TEMP 38 39 35 31 39 40 31 30 37 38 32 30 36 38 32 28 33 34
DEWPT 34 30 31 28 32 28 24 23 30 28 27 26 30 29 27 24 27 24
PWIND DIR SW S S S S S SW S SW
WIND CHAR GN GN LT GN GN GN GN GN GN
AVG CLOUDS OV OV OV OV OV BK SC OV OV OV OV OV OV BK BK OV OV OV
POP 12HR 100 90 60 30 80 80 80 80 70
RAIN SHWRS D D D D L C S C L D D D S
SNOWSHWRS S S S S L S C L S S S L D D D L L
WYZ001-211100-
LAKE YELLOWSTONE-TETON WY
44.55N 110.42W ELEV. 7835 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 9 22 14 35 29
TEMP 15 12 12 21 22 18 16 17 19 24 25 30 33 34 31 33 31 32
DEWPT 9 6 8 13 12 13 13 14 17 20 24 29 30 31 30 31 30 29
RH 77 76 84 71 65 80 88 88 92 84 96 96 89 89 96 92 96 88
WIND DIR W W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 10 13 10 16 17 12 16 11 10 13 4 5 6 5 6 8 9 9
WIND GUST 20 29 26 27 29 33 36 29 27 31 17 19 21 23 25 27 28 29
CLOUDS FW SC SC FW FW SC BK BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 10 20 60 100 100
QPF 12HR 0 0 0.01 0.30 0.38
SNOW 12HR 00-00 00-00 T 4 3
SNOWSHWRS S L D D D D D D D D D
TSTMS
WIND CHILL 2 -3 -1 7 8 5 1 4 7
MIN CHILL -3 -3 5 1 6 15 26 24 23
WINTER STORM W
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 36 25 38 23 38 22 35 19 31
TEMP 34 33 29 27 34 35 27 26 35 33 28 25 32 31 26 25 29 27
DEWPT 32 27 25 23 30 28 21 19 29 27 24 21 29 26 23 20 24 20
PWIND DIR SW SW SW S S SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS OV OV OV OV OV OV SC BK BK OV BK OV OV OV BK BK OV OV
POP 12HR 90 70 50 10 60 60 60 50 50
SNOWSHWRS D L L L C C C L L L C L C C C C
WYZ003-211100-
CODY-PARK WY
44.52N 109.02W ELEV. 5102 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 38 23 45 34
TEMP 24 22 22 35 37 32 26 26 26 28 28 40 44 40 37 39 39 39
DEWPT 17 14 12 14 13 14 11 11 12 15 17 24 28 27 27 29 28 29
RH 74 71 65 41 37 47 52 52 55 58 63 52 53 59 67 67 64 67
WIND DIR S SW SW W W NE S SE S S S S SE S SW SW SW SW
WIND SPD 5 3 8 13 12 3 8 5 5 6 4 4 5 5 6 6 8 8
WIND GUST 14 24 24 14 14 13 14 16
CLOUDS SC FW FW FW CL FW FW SC BK BK BK OV BK BK SC SC BK BK
POP 12HR 20 0 0 30 40
QPF 12HR 0 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C C C C C
SNOWSHWRS C C
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 52 32 54 35 58 33 52 30 48
TEMP 50 45 37 34 47 46 40 40 53 51 42 39 47 46 38 36 43 41
DEWPT 31 29 24 22 30 28 22 21 27 27 24 23 27 27 23 21 23 22
PWIND DIR W SW SW SW SW SW W W W
WIND CHAR GN GN LT GN GN GN GN GN GN
AVG CLOUDS BK SC BK BK BK SC FW FW SC SC BK BK BK BK SC FW SC SC
POP 12HR 30 10 5 5 20 20 20 10 10
RAIN SHWRS C S S S S S
SNOWSHWRS S S
WYZ004-211100-
GREYBULL-BIG HORN WY
44.52N 108.08W ELEV. 3939 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 38 20 43 29
TEMP 29 25 24 31 38 34 27 24 23 23 23 34 43 41 36 34 33 32
DEWPT 18 17 17 17 16 18 14 12 9 12 13 20 24 29 29 29 29 29
RH 63 71 74 56 40 51 57 60 54 62 65 56 47 62 75 82 85 88
WIND DIR W S S SE SE SE SE E S SE SE SE SE SE SE SE SE SE
WIND SPD 6 4 2 3 4 5 3 3 3 3 5 5 6 6 8 10 10 9
WIND GUST 13
CLOUDS SC FW FW FW CL CL FW FW BK OV BK OV BK BK SC BK BK BK
POP 12HR 10 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 51 28 53 31 58 30 54 27 49
TEMP 44 45 35 29 43 48 37 34 49 53 41 34 43 48 36 31 38 43
DEWPT 35 34 29 26 32 32 26 24 30 31 30 28 31 31 28 26 27 27
PWIND DIR SE SE SE SE SE SE S SE S
WIND CHAR LT LT GN GN GN GN LT GN LT
AVG CLOUDS BK SC BK BK BK BK FW SC SC SC BK BK BK BK SC FW SC SC
POP 12HR 10 0 0 0 5 10 10 10 5
WYZ006-211100-
WORLAND-WASHAKIE WY
43.97N 107.95W ELEV. 4227 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 19 41 19 45 26
TEMP 28 24 24 35 41 32 25 21 21 23 21 36 45 40 33 32 31 31
DEWPT 21 17 16 18 15 13 10 7 6 11 14 23 26 28 27 27 27 27
RH 75 74 71 49 34 45 52 54 52 59 74 59 47 62 78 81 85 85
WIND DIR SW S SE SE N NE SE SE SE SE SE SE SE SE S SE S S
WIND SPD 6 4 3 2 1 1 9 9 9 8 5 4 5 5 6 9 10 9
WIND GUST 11
CLOUDS SC FW FW CL CL CL FW SC BK BK BK BK BK BK SC SC SC SC
POP 12HR 10 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 56 25 55 28 60 29 56 25 51
TEMP 48 47 34 27 45 48 37 33 51 53 41 35 46 48 37 31 43 43
DEWPT 35 32 27 21 30 28 24 19 27 30 28 26 30 31 26 23 27 25
PWIND DIR S SE S S S S SW S SW
WIND CHAR LT LT LT GN GN GN LT GN GN
AVG CLOUDS BK BK BK BK BK SC FW FW SC SC BK BK BK BK SC FW SC SC
POP 12HR 5 0 0 0 5 10 10 10 5
WYZ005-211100-
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY
43.71N 108.39W ELEV. 4902 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 19 39 19 46 29
TEMP 26 23 21 35 39 31 24 23 23 25 26 40 46 41 36 34 33 33
DEWPT 19 14 11 15 12 10 7 7 7 12 17 25 28 30 29 29 28 28
RH 74 68 65 43 32 41 47 50 50 57 68 55 49 65 75 82 82 82
WIND DIR S S W N W E S SE S S S S S S S S S S
WIND SPD 2 3 2 2 4 1 3 3 5 12 5 8 9 6 8 9 10 10
WIND GUST 10 17 10 13 20
CLOUDS SC FW CL CL CL CL FW SC BK SC BK BK SC SC SC SC SC SC
POP 12HR 30 0 0 20 20
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00 00-00 00-00
RAIN SHWRS S S S S S S S
SNOWSHWRS S
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 55 26 53 29 57 30 53 27 49
TEMP 50 47 33 28 45 46 35 33 51 51 39 33 47 47 35 31 44 42
DEWPT 34 31 25 22 31 30 24 21 28 30 26 26 29 29 26 23 25 24
PWIND DIR SW SW S S S SW SW S SW
WIND CHAR GN LT LT GN GN GN GN GN GN
AVG CLOUDS SC SC SC BK BK SC FW FW SC SC BK BK BK BK SC FW SC SC
POP 12HR 20 10 5 5 20 20 20 20 10
RAIN SHWRS S S S S S S S S S
SNOWSHWRS S S S S S
WYZ010-211100-
BUFFALO-JOHNSON WY
44.38N 106.72W ELEV. 4968 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 19 36 21 45 34
TEMP 24 23 23 32 34 28 24 25 25 27 31 40 44 38 37 40 39 40
DEWPT 16 16 15 16 13 13 7 7 6 10 15 24 30 28 27 28 27 27
RH 71 74 71 51 41 53 47 46 44 48 51 52 57 67 67 62 62 59
WIND DIR NW SW S NW N N SE S S S SW S S W SW SW SW SW
WIND SPD 2 5 5 1 6 0 4 8 8 5 9 6 6 8 10 10 12 12
WIND GUST 10 16 16 19 19
CLOUDS SC FW CL CL CL CL FW SC SC BK BK BK BK BK SC SC SC BK
POP 12HR 50 5 0 0 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 51 31 54 37 59 35 53 30 47
TEMP 48 42 37 33 47 45 42 42 54 52 46 41 48 45 38 34 43 40
DEWPT 32 32 27 21 30 29 23 20 27 30 27 24 27 29 23 20 22 24
PWIND DIR W SW SW SW SW SW W SW SW
WIND CHAR GN GN GN GN BZ BZ GN GN GN
AVG CLOUDS BK BK BK BK BK SC FW SC SC SC SC BK BK BK SC SC SC BK
POP 12HR 5 0 0 0 0 5 10 10 5
WYZ012-211100-
RENDEZVOUS MOUNTAIN-TETON WY
43.59N 110.89W ELEV. 10318 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 13 10 24 21
TEMP 13 12 11 12 13 12 11 14 17 21 17 19 21 23 23 24 24 24
DEWPT 9 8 7 8 7 6 6 11 16 16 17 18 20 23 23 24 24 24
RH 84 84 83 84 76 76 80 88 96 81100 96 96100100100100100
WIND DIR W W W W W W W SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 17 19 23 21 20 16 16 11 14 12 16 13 14 18 24 25 26 26
WIND GUST 27 28 31 33 32 27 25 21 29 25 24 24 26 31 37 40 41 41
CLOUDS BK BK BK SC SC SC SC BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 40 40 70 100 100
QPF 12HR 0.03 0.02 0.12 0.90 1.03
SNOW 12HR 1 T 2 12 11
SNOWSHWRS C C C C C L D D D D D D D D D
TSTMS
OBVIS BS BS
WIND CHILL -4 -6 -9 -7 -5 -5 -6 0 2 1 2 5 7 9 7 8 8 8
MIN CHILL -6 -10 -6 -6 1 2 6 7 8
WINTER STORM W
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 24 19 26 17 23 14 22 15 19
TEMP 21 19 21 20 22 20 18 19 21 18 19 18 20 19 18 17 18 13
DEWPT 21 19 21 19 21 19 13 12 20 18 17 17 20 19 18 16 18 13
PWIND DIR SW SW SW S SW SW SW SW SW
WIND CHAR BZ GN GN BZ BZ BZ GN BZ BZ
AVG CLOUDS OV OV OV OV OV BK SC OV OV OV OV OV OV BK BK OV OV OV
POP 12HR 100 90 60 30 80 90 80 80 80
SNOWSHWRS D D D D L C S C L D D D D D D D D D
WYZ023-211100-
AFTON-LINCOLN WY
42.71N 110.94W ELEV. 6201 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 34 23 42 34
TEMP 29 26 24 29 32 29 26 27 28 30 32 37 40 40 38 38 36 36
DEWPT 25 22 21 24 24 23 21 22 24 30 32 37 39 40 38 38 36 35
RH 85 85 88 81 72 78 81 81 85100100100 96100100100100 96
WIND DIR E S SE W SW SE S S S SE S S S S S SW SW SW
WIND SPD 5 4 5 3 2 6 6 8 9 9 4 5 9 8 9 8 6 6
WIND GUST 14 12 17 13 13 18 18 19 18 16 14
CLOUDS OV OV BK BK SC SC SC OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 30 50 50 100 100
QPF 12HR 0.01 0.01 0.02 0.32 0.34
SNOW 12HR T T T 00-00 00-00
RAIN SHWRS D D D D D D D D D
SNOWSHWRS C C S S C D
WINTER WEATH Y
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 43 29 45 29 44 26 43 25 39
TEMP 38 39 35 30 39 40 34 31 38 39 33 30 36 38 32 28 33 33
DEWPT 38 37 33 29 35 33 26 24 35 35 31 30 36 35 31 28 32 28
PWIND DIR SW S S SE S S S S SW
WIND CHAR LT LT LT LT GN LT LT LT LT
AVG CLOUDS OV OV OV OV OV BK SC OV OV OV OV OV OV OV BK BK OV OV
POP 12HR 100 80 40 20 80 90 80 80 80
RAIN SHWRS D D D L C C S S L D D D D D D S
SNOWSHWRS S S S S S S D D L D D
WYZ004-211100-
POWELL-PARK WY
44.87N 108.79W ELEV. 5092 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 35 23 37 31
TEMP 27 25 24 31 35 30 26 26 25 26 26 33 37 34 33 35 34 34
DEWPT 15 13 13 12 9 10 10 12 11 10 11 15 20 23 22 24 24 25
RH 60 60 62 45 33 42 50 55 55 50 52 47 50 64 63 64 66 69
WIND DIR N W SW W W W SW S SE SE SE SE SE SE S SE SE SE
WIND SPD 3 9 10 11 14 8 10 8 11 11 12 11 10 8 10 11 11 10
WIND GUST 19 23 18
CLOUDS SC FW FW CL CL CL FW SC BK OV BK OV BK BK BK BK BK BK
POP 12HR 5 0 0 20 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S S C C C
SNOWSHWRS S S S
WIND CHILL 14 13 14
MIN CHILL 16 12 22 16 13 13 27 25 26
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 45 30 44 32 51 32 46 28 44
TEMP 41 39 34 31 39 38 36 34 46 46 41 36 41 40 32 31 38 37
DEWPT 30 30 24 22 27 28 23 21 26 28 24 22 24 25 20 19 23 22
PWIND DIR S S SE SE SE S SW SW S
WIND CHAR GN GN GN GN BZ GN GN GN GN
AVG CLOUDS BK SC BK BK BK SC FW SC FW SC BK BK BK SC FW FW SC SC
POP 12HR 30 10 5 0 10 20 20 10 10
RAIN SHWRS C S S S S
SNOWSHWRS S S S
WYZ004-211100-
COWLEY-BIG HORN WY
44.91N 108.45W ELEV. 4090 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 19 36 22 40 30
TEMP 29 26 25 32 36 32 27 25 25 26 26 34 39 38 34 34 33 33
DEWPT 13 15 16 18 16 16 14 13 12 13 14 20 24 28 28 29 29 30
RH 51 62 68 56 43 51 57 60 57 57 60 56 54 67 78 82 85 89
WIND DIR NW SW NE SE S SE SE NE NE NE SE SE SE E SE SE SE SE
WIND SPD 13 4 2 5 5 6 3 3 3 3 5 5 5 4 5 5 5 5
WIND GUST 23 13 12
CLOUDS FW FW FW FW CL CL FW FW SC BK OV OV OV BK BK BK BK BK
POP 12HR 5 0 0 5 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S S
SNOWSHWRS
WIND CHILL 18
MIN CHILL 17 20 25 19 17 17 27 27
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 47 29 47 32 54 32 49 28 44
TEMP 42 41 34 30 40 43 36 34 48 50 41 34 43 44 35 31 39 39
DEWPT 37 35 30 26 33 33 28 25 32 32 29 28 31 30 27 26 28 26
PWIND DIR S SE SE SE SE S S S S
WIND CHAR LT LT LT GN GN GN LT GN LT
AVG CLOUDS BK SC BK BK OV SC FW SC FW SC BK BK BK SC SC FW SC SC
POP 12HR 20 5 0 0 10 10 20 10 10
RAIN SHWRS S S S
SNOWSHWRS S S
WYZ016-211100-
DUBOIS-FREMONT WY
43.55N 109.69W ELEV. 7291 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 18 30 21 43 36
TEMP 27 22 20 27 29 25 21 23 25 29 31 39 42 41 40 40 38 38
DEWPT 19 13 11 16 16 15 12 14 18 20 24 28 28 29 30 30 30 31
RH 71 68 67 63 58 65 68 68 74 69 75 64 57 62 67 67 73 76
WIND DIR NW NW NW W W NW NW NW NW NW W W W W W W W W
WIND SPD 12 12 13 21 20 13 13 14 13 8 12 13 18 17 18 19 20 20
WIND GUST 31 28 28 39 35 28 28 27 25 21 19 24 29 29 32 32 33 33
CLOUDS SC FW FW FW FW FW FW SC SC BK BK BK BK BK BK BK BK BK
POP 12HR 40 10 50 90 90
QPF 12HR 0.01 0 0.01 0.12 0.26
SNOW 12HR T 00-00 T T 00-00
RAIN SHWRS S D D D D D D
SNOWSHWRS C D D D S S S S S
TSTMS
WIND CHILL 16 10 7 13 16 13 8 10 13
MIN CHILL 10 7 13 8 11 19 31 28
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 44 30 45 31 45 29 43 27 39
TEMP 42 39 35 32 42 40 33 33 43 40 34 33 40 38 33 31 36 33
DEWPT 29 25 25 23 27 23 18 18 25 24 23 24 25 23 21 21 22 17
PWIND DIR W W W W SW SW W W W
WIND CHAR BZ GN GN GN GN GN GN GN BZ
AVG CLOUDS BK BK BK BK BK BK FW BK BK BK BK OV BK BK BK SC OV BK
POP 12HR 90 70 30 10 60 70 60 60 50
RAIN SHWRS D L L C C S C L L L
SNOWSHWRS S L L C C C S S L L L L L C C
WYZ027-211100-
KEMMERER-LINCOLN WY
41.83N 110.56W ELEV. 7285 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 35 27 44 35
TEMP 33 30 30 33 35 31 29 28 29 31 33 40 43 42 39 40 38 37
DEWPT 30 27 28 30 29 27 26 25 27 29 31 36 37 36 35 35 32 32
RH 89 88 92 89 78 85 88 88 92 92 92 85 79 79 85 82 79 82
WIND DIR W W W W W W W SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 17 12 9 16 18 8 3 2 4 5 9 13 19 17 18 18 17 16
WIND GUST 33 21 18 28 26 16 24 29 28 31 29 27 27
CLOUDS OV OV BK BK SC SC SC BK BK BK OV OV BK BK BK BK BK BK
POP 12HR 80 50 30 70 50
QPF 12HR 0.07 0.01 0 0.07 0.04
SNOW 12HR T T 00-00 00-00 00-00
RAIN SHWRS L L L C C C C L
SNOWSHWRS C C C S C L L
WIND CHILL 22 22 24
MIN CHILL 20 21 22 23 24 25 30 28
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 45 30 47 29 45 30 43 28 39
TEMP 42 41 35 31 42 42 34 32 42 39 34 33 39 39 35 31 35 33
DEWPT 35 33 29 24 30 28 23 21 30 32 30 29 34 31 29 26 29 25
PWIND DIR SW SW SW S SW SW SW SW SW
WIND CHAR BZ LT LT LT GN GN GN GN GN
AVG CLOUDS BK BK BK BK BK BK BK BK BK BK OV OV OV BK SC SC BK BK
POP 12HR 60 30 10 5 50 60 60 50 50
RAIN SHWRS L C C S S C L L L C S
SNOWSHWRS S S S S L C C C C C
WYZ023-211100-
ALPINE-LINCOLN WY
43.18N 111.04W ELEV. 5634 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 19 33 25 42 38
TEMP 28 26 25 29 33 30 27 28 29 31 35 36 39 41 41 42 41 40
DEWPT 22 19 19 21 23 24 22 21 26 31 35 36 38 40 40 41 41 40
RH 78 74 78 72 66 78 81 75 88100100100 96 96 96 96100100
WIND DIR SW SW SW W W N E E E E S S S S S S SW SW
WIND SPD 4 4 3 8 9 2 4 6 4 4 5 5 8 10 10 10 10 10
WIND GUST 14 11 18 18 12 13 18 18 19 19 19 19
CLOUDS BK BK BK SC SC SC SC OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 30 10 50 100 100
QPF 12HR 0.01 0 0.06 0.49 0.60
SNOW 12HR 00-00 00-00 1 00-00 00-00
RAIN SHWRS S S D D D D D D D
SNOWSHWRS S C D D D S S
TSTMS
WINTER WEATH Y
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 42 33 45 33 44 29 43 29 39
TEMP 39 42 39 34 40 43 37 35 36 43 37 35 38 41 36 33 33 38
DEWPT 39 38 37 33 37 34 30 29 34 36 35 33 37 35 34 31 31 31
PWIND DIR SW S SE SE S S S S SW
WIND CHAR LT LT LT LT GN LT LT GN LT
AVG CLOUDS OV OV OV OV OV BK SC OV OV OV OV OV OV BK BK OV OV OV
POP 12HR 100 90 50 20 80 80 80 80 80
RAIN SHWRS D D D L C C S L D D D D D D D
SNOWSHWRS S S S S D D D S D L
WYZ023-211100-
COKEVILLE-LINCOLN WY
42.05N 110.97W ELEV. 6270 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 37 25 43 33
TEMP 31 29 29 34 37 33 28 27 28 29 33 39 42 42 39 38 36 35
DEWPT 28 26 26 28 28 27 23 23 25 29 33 38 39 40 38 37 35 34
RH 88 88 88 78 70 78 81 85 88100100 96 89 93 96 96 96 96
WIND DIR NW N NW NW W E S S S NW S SW SW SW SW SW SW SW
WIND SPD 13 2 4 8 12 2 2 1 2 1 5 6 9 8 10 10 9 6
WIND GUST 27 11 11 14 19 13 18 17 18 18 16 14
CLOUDS OV OV OV BK SC SC BK OV BK BK OV OV OV OV OV OV OV OV
POP 12HR 70 40 40 90 80
QPF 12HR 0.02 0 0 0.19 0.16
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS D D D D D D L L D
SNOWSHWRS C C C S C S D
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 44 29 47 29 45 28 43 26 40
TEMP 40 41 35 30 40 43 34 31 41 40 34 32 39 40 33 30 35 34
DEWPT 38 37 33 27 35 32 25 24 34 34 32 31 36 34 30 28 32 29
PWIND DIR SW S S SE S S SW SW SW
WIND CHAR LT LT LT GN GN GN LT GN LT
AVG CLOUDS OV OV OV OV OV BK SC BK BK OV OV OV OV BK SC SC OV OV
POP 12HR 80 50 20 10 60 80 70 60 60
RAIN SHWRS D L C C S C L L D L L L L
SNOWSHWRS S S S L L L L L
WYZ028-211100-
GREEN RIVER-SWEETWATER WY
41.46N 109.49W ELEV. 7182 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 43 29 53 36
TEMP 38 34 33 39 43 40 34 32 31 32 33 47 52 48 44 41 38 38
DEWPT 33 30 30 32 30 30 27 27 24 26 28 37 39 37 33 31 29 30
RH 82 85 89 76 60 67 75 81 75 78 82 68 61 65 65 67 70 73
WIND DIR W W W W W NW SE SE S SE SE S SW SW S S S S
WIND SPD 17 10 5 11 20 9 2 4 4 4 5 8 10 10 10 10 10 9
WIND GUST 32 19 20 29 16 14 19
CLOUDS SC OV OV BK SC SC SC SC SC SC BK BK BK BK OV BK BK SC
POP 12HR 30 30 0 30 20
QPF 12HR 0.07 0.02 0 0 0
SNOW 12HR 00-00 T 00-00 00-00 00-00
RAIN SHWRS S S S C C S S S
SNOWSHWRS S C S
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 53 30 55 36 53 34 51 31 47
TEMP 48 47 37 31 47 49 42 39 50 49 41 36 47 47 38 34 43 41
DEWPT 36 35 29 23 33 26 21 20 28 31 32 30 36 34 29 26 30 29
PWIND DIR SW S S S S S SW SW SW
WIND CHAR GN LT GN GN GN GN GN GN GN
AVG CLOUDS SC SC SC BK BK BK OV OV SC BK OV OV BK BK SC FW SC BK
POP 12HR 20 10 5 5 20 50 40 40 30
RAIN SHWRS S S S C C C C C C S S
SNOWSHWRS S S S C C C C
WYZ017-211100-
SHOSHONI-FREMONT WY
43.25N 108.12W ELEV. 4817 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 44 24 49 34
TEMP 31 27 25 36 42 37 30 26 25 26 25 40 48 44 38 38 36 36
DEWPT 21 19 16 17 13 14 12 10 13 16 20 30 31 32 32 32 31 31
RH 66 71 68 45 30 38 46 50 60 65 81 67 51 62 79 79 82 82
WIND DIR S SE E W NW NW SW SE E E SE SE SW S S S S S
WIND SPD 3 5 3 9 21 8 3 4 6 9 5 6 10 10 13 14 16 14
WIND GUST 17 32 16 19 19 21 21
CLOUDS SC FW CL FW CL CL FW BK SC SC SC SC SC SC SC SC SC SC
POP 12HR 20 0 0 20 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S S S S S S
SNOWSHWRS S
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 57 30 56 35 58 34 56 32 52
TEMP 50 51 37 31 48 50 40 37 54 53 44 35 49 50 40 35 46 46
DEWPT 37 33 30 26 33 29 24 22 28 32 31 30 35 32 30 27 30 26
PWIND DIR SW S S S S SW SW S SW
WIND CHAR GN GN GN GN BZ BZ GN GN GN
AVG CLOUDS BK SC SC BK BK BK SC SC SC SC BK BK BK BK SC FW BK SC
POP 12HR 20 10 5 0 10 30 20 20 20
RAIN SHWRS S S C S S S S S S
SNOWSHWRS S S S S
WYZ005-211100-
THERMOPOLIS-HOT SPRINGS WY
43.66N 108.21W ELEV. 4592 FT
1216 AM MST SAT DEC 20 2025
DATE FRI 12/19/25 SAT 12/20/25 SUN 12/21/25 MON
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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 19 41 21 49 32
TEMP 27 23 21 34 41 35 27 25 24 25 26 41 49 44 38 38 36 35
DEWPT 20 14 11 13 13 13 8 7 7 12 17 26 29 31 30 30 28 30
RH 74 68 65 41 31 40 44 46 47 57 68 55 46 60 73 73 72 82
WIND DIR S S N N W SE S S S S S S S S S S S S
WIND SPD 4 5 1 3 5 2 6 10 8 5 5 8 9 8 10 10 11 10
WIND GUST 14 10 14
CLOUDS SC CL CL CL CL CL FW SC BK SC BK BK SC SC SC SC SC SC
POP 12HR 40 0 0 10 20
QPF 12HR 0.02 0 0 0 0
SNOW 12HR T 00-00 00-00 00-00 00-00
RAIN SHWRS S S S S S
SNOWSHWRS
DATE 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 57 28 55 32 59 31 55 29 51
TEMP 50 50 35 29 47 49 37 34 52 53 42 35 48 49 38 32 44 45
DEWPT 36 32 27 25 33 30 24 22 28 32 29 28 31 31 28 24 27 25
PWIND DIR SW S S S S S SW S SW
WIND CHAR GN LT GN GN BZ GN GN GN GN
AVG CLOUDS SC SC SC BK BK SC FW FW SC SC BK BK BK SC SC FW SC SC
POP 12HR 20 5 5 5 10 20 20 20 10
RAIN SHWRS S S S S S S S S
SNOWSHWRS S S S S
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT
DAY 1 THROUGH DAY 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP(F).............................AIR TEMPERATURE
DEWPT(F)............................DEW POINT TEMPERATURE
RH(%)...............................RELATIVE HUMIDITY
WIND DIR(8 POINT COMPASS)...........WIND DIRECTION
WIND SPD(MPH).......................WIND SPEED
CLOUDS(CAT).........................CLOUD COVER CATEGORY
CL.....CLEAR/SUNNY.......................0% TO =< 10%
FW.....MOSTLY CLEAR/MOSTLY SUNNY......> 10% TO =< 30%
SC.....PARTLY CLOUDY/PARTLY SUNNY.....> 30% TO =< 60%
BK.....MOSTLY CLOUDY..................> 60% TO =< 80%
OV.....CLOUDY.........................> 80% TO =< 100%
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
QPF 12HR(IN.).......................AMOUNT OF LIQUID PRECIPITATION
SNOW 12HR(MIN-MAX - IN.)............RANGE OF SNOWFALL
WEATHER...
TYPE...
RAIN...........RAIN
RAIN SHWRS.....RAIN SHOWERS
SPRINKLES......SPRINKLES
TSTMS..........THUNDERSTORMS
DRIZZLE........DRIZZLE
SNOW...........SNOW
SNOWSHWRS......SNOW SHOWERS
FLURRIES.......SNOW FLURRIES
SLEET..........SLEET
FRZG RAIN......FREEZING RAIN
FRZG DRZL......FREEZING DRIZZLE
COVERAGE...
IS.............ISOLATED
SC.............SCATTERED
NM.............NUMEROUS
O..............OCCASIONAL
S..............SLIGHT CHANCE
C..............CHANCE
L..............LIKELY
WD.............WIDESPREAD
D..............DEFINITE
AR.............AREAS
PA.............PATCHY
OBVIS...............................OBSTRUCTION TO VISIBILITY
F.......FOG
PF......PATCHY FOG
F+......DENSE FOG
PF+.....PATCHY DENSE FOG
H.......HAZE
BS......BLOWING SNOW
K.......SMOKE
BD......BLOWING DUST
VA......VOLCANIC ASH
DAY 4 THROUGH DAY 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP(F).............................AIR TEMPERATURE
DEWPT(F)............................DEW POINT TEMPERATURE
PWIND DIR(8 POINT COMPASS)..........PREDOMINANT WIND DIRECTION IN 12HR PERIOD
WIND CHAR(MAX SUSTAINED IN 12HR)....WIND CHARACTERISTIC
LT.....LIGHT; < 8 MPH
GN.....GENTLE; 8 - 14 MPH
BZ.....BREEZY; 15 - 22 MPH
WY.....WINDY; 23 - 30 MPH
VW.....VERY WINDY; 31 - 39 MPH
SD.....STRONG/DAMAGING; >= 40 MPH
AVG CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
WEATHER...
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS
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