121
FOUS55 KRIW 202346
PFMRIW
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE RIVERTON WY
446 PM MST SAT DEC 20 2025
WYZ020-211100-
CASPER-NATRONA WY
42.91N 106.46W ELEV. 5530 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 54 45 58 34
TEMP 32 25 23 29 33 39 47 53 47 46 48 48 47 46 53 57 52 44 42 39 39
DEWPT 18 15 15 18 23 26 29 31 32 33 32 31 31 30 31 30 31 28 27 26 25
RH 56 65 71 63 66 59 49 43 56 60 54 51 53 53 43 35 44 53 55 59 57
WIND DIR W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 9 9 11 11 12 13 19 21 21 24 24 24 25 27 29 25 18 13 13 14 14
WIND GUST 19 19 21 31 33 35 39 40 41 44 44 43 36 28 24 21 23 26
CLOUDS CL SC SC SC SC BK BK SC SC SC SC SC SC SC SC SC SC BK SC SC OV
POP 12HR 0 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
WIND CHILL 12
MIN CHILL 24 12 14 25 31
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 60 40 60 40 57 35 52 26 46
TEMP 54 53 46 45 56 54 48 45 53 51 41 40 49 46 36 32 40 40
DEWPT 26 22 21 20 27 30 32 31 34 34 30 27 29 26 23 21 21 21
PWIND DIR SW SW SW SW SW SW SW SW SW
WIND CHAR BZ BZ WY WY WY BZ WY BZ GN
AVG CLOUDS BK BK BK BK SC FW SC BK SC BK BK BK SC SC SC FW FW FW
POP 12HR 0 0 0 10 20 30 10 10 10
RAIN SHWRS S S C S
SNOWSHWRS S
WYZ017-211100-
RIVERTON-FREMONT WY
43.06N 108.46W ELEV. 5525 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 48 37 61 31
TEMP 36 28 26 27 26 26 37 47 44 43 44 38 39 39 51 60 50 42 39 35 34
DEWPT 15 13 13 14 15 17 21 26 28 30 30 31 31 30 32 30 29 27 27 25 25
RH 42 53 57 57 62 68 52 43 53 60 57 76 73 70 48 32 44 55 62 66 69
WIND DIR SW W SW SW N NW NW SW S SW SW SW SW SW W W SW SW SW SW SW
WIND SPD 6 8 4 4 5 5 4 6 8 11 18 21 23 20 21 19 13 12 12 12 11
WIND GUST 18 31 35 34 32 37 35 21
CLOUDS CL SC SC FW FW FW FW SC SC CL SC SC SC SC SC SC SC SC SC SC BK
POP 12HR 5 30 30 20 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C C C C S S S S
SNOWSHWRS S
WIND CHILL 27 28
MIN CHILL 30 19 19 17 27 27 31 25
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 33 58 37 54 32 49 24 42
TEMP 47 51 42 37 51 53 48 42 48 48 41 37 45 44 35 29 37 37
DEWPT 29 24 23 23 28 28 32 30 31 28 27 25 26 21 20 19 20 18
PWIND DIR S S S S SW SW SW SW W
WIND CHAR GN GN BZ WY BZ BZ BZ GN GN
AVG CLOUDS BK BK OV BK SC SC BK BK SC SC BK BK BK SC SC FW FW FW
POP 12HR 0 0 10 40 30 40 20 10 5
RAIN SHWRS C C C C C C S
SNOWSHWRS S C S
WYZ018-211100-
LANDER-FREMONT WY
42.82N 108.73W ELEV. 5586 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 52 43 61 32
TEMP 37 28 27 26 25 24 37 50 46 46 44 47 47 46 52 60 49 42 40 38 37
DEWPT 11 12 13 15 17 19 24 29 30 31 32 32 31 31 31 30 29 27 27 25 24
RH 33 50 55 62 71 81 59 44 53 55 62 56 53 55 44 32 46 55 59 59 59
WIND DIR SW SW S SW E N NE W E SW SW SW SW SW SW W SW SW SW SW SW
WIND SPD 9 8 4 4 4 5 5 12 16 19 23 25 23 21 20 20 16 12 11 13 13
WIND GUST 25 34 35 37 39 34 33 33 39 27 24 20 21 21
CLOUDS FW SC BK SC SC SC FW FW SC FW SC SC SC SC SC SC SC SC SC BK BK
POP 12HR 10 50 50 40 20
QPF 12HR 0 0.07 0.11 0.02 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C C C C C C C C C C S S
SNOWSHWRS S
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 34 56 35 54 31 49 23 44
TEMP 49 50 42 39 49 51 45 40 47 48 39 36 44 43 33 28 38 38
DEWPT 29 23 22 21 27 28 31 28 32 29 27 24 27 23 19 17 20 19
PWIND DIR SW SW SW SW SW SW SW SW W
WIND CHAR GN GN GN BZ GN GN GN GN LT
AVG CLOUDS BK BK BK BK SC SC BK OV BK SC BK BK BK BK SC FW FW FW
POP 12HR 0 0 20 60 50 50 30 10 10
RAIN SHWRS S L L C C C C C S
SNOWSHWRS S S
WYZ028-211100-
ROCK SPRINGS-SWEETWATER WY
41.61N 109.07W ELEV. 6760 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 30 52 33 53 30
TEMP 36 32 32 33 33 36 47 51 45 44 46 41 38 34 46 52 46 39 35 32 31
DEWPT 23 23 25 25 25 28 30 31 33 32 30 29 29 29 29 28 31 29 27 24 23
RH 59 69 75 72 72 72 51 46 62 62 53 62 70 82 51 39 55 67 72 72 72
WIND DIR W SW SW SW S S S SW SW S S S SW SW SW W W S S S S
WIND SPD 11 4 3 3 4 5 6 12 9 10 11 12 11 11 12 13 6 4 6 9 8
WIND GUST 19 16 24 18 18 21 21 19 19 24 26
CLOUDS SC BK BK SC SC SC SC SC BK SC SC SC SC SC SC SC SC SC SC SC BK
POP 12HR 5 20 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 35 51 36 49 31 44 23 39
TEMP 46 48 42 37 47 48 43 38 45 45 38 33 41 40 31 26 33 34
DEWPT 25 21 19 20 26 30 32 32 34 33 31 28 29 27 25 22 23 21
PWIND DIR S S S S SW SW SW W W
WIND CHAR GN GN BZ BZ GN GN GN GN GN
AVG CLOUDS BK BK OV OV SC BK OV BK OV BK BK BK BK BK SC FW FW FW
POP 12HR 0 0 10 50 60 50 30 20 10
RAIN SHWRS C C L C C C C C
SNOWSHWRS S S C C C S
WYZ026-211100-
BIG PINEY-SUBLETTE WY
42.58N 110.11W ELEV. 6990 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 45 30 46 22
TEMP 30 22 22 23 24 26 37 44 39 35 34 32 32 31 39 45 40 32 29 27 26
DEWPT 15 17 17 20 21 24 31 33 33 33 32 32 31 31 33 31 30 27 26 24 24
RH 53 81 81 88 88 92 79 65 79 92 92100 96100 79 58 67 81 88 88 92
WIND DIR SW E NE NE NE SE S S S S SW SW SW SW W W SW SW S SE SE
WIND SPD 9 3 2 2 3 3 6 10 12 14 17 18 18 16 17 14 8 5 5 4 3
WIND GUST 24 26 28 28 28 28 27 29 27
CLOUDS SC BK BK BK BK OV BK BK SC SC SC BK SC BK BK BK BK BK BK BK BK
POP 12HR 30 80 60 40 20
QPF 12HR 0 0.10 0.04 0.03 0
SNOW 12HR 00-00 T 00-00 00-00 00-00
RAIN SHWRS D D L C C C C C C C S S
SNOWSHWRS S S L D S S S
WIND CHILL 23 20 20 20
MIN CHILL 21 17 18 20 31 22 19 20 23 20
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 22 47 26 44 21 40 13 35
TEMP 38 40 30 25 39 41 34 30 38 39 30 26 36 34 23 17 27 29
DEWPT 30 26 23 20 29 29 30 27 31 28 26 23 28 22 18 14 19 18
PWIND DIR SE S S S SW SW SW W NW
WIND CHAR LT LT GN GN GN GN GN GN LT
AVG CLOUDS BK BK OV BK SC BK OV BK SC SC BK BK OV SC SC SC SC FW
POP 12HR 0 0 30 70 50 50 40 10 10
RAIN SHWRS C L L C C C
SNOWSHWRS S S C C C C C C
WYZ025-211100-
PINEDALE-SUBLETTE WY
42.80N 109.81W ELEV. 7086 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 42 28 42 24
TEMP 28 20 21 22 24 28 35 41 38 35 33 29 31 32 38 41 37 32 30 28 27
DEWPT 15 15 15 19 23 27 31 32 33 34 33 29 31 32 33 30 30 29 28 27 26
RH 58 81 77 88 96 96 85 70 82 96100100100100 82 65 75 88 92 96 96
WIND DIR N E E E SE SE SE S S SE S S S SW W W S S SE SE SE
WIND SPD 3 3 4 4 5 6 9 11 10 11 11 10 10 10 8 6 5 5 8 6 6
WIND GUST 19 20 23 27 24 27 21 16 13
CLOUDS SC SC OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK OV OV OV OV
POP 12HR 30 90 70 60 30
QPF 12HR 0.01 0.14 0.07 0.04 0.01
SNOW 12HR 00-00 1 00-00 00-00 00-00
RAIN SHWRS D L L L L L L L C C C
SNOWSHWRS C C L D D L S C C
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 24 43 26 41 21 37 14 34
TEMP 39 37 29 26 40 40 33 30 38 37 28 24 34 32 22 17 29 28
DEWPT 30 26 24 22 28 30 30 29 30 28 26 23 26 23 19 14 18 18
PWIND DIR SE SE SE S SW SW SW W NW
WIND CHAR LT LT GN GN GN GN GN LT LT
AVG CLOUDS OV OV OV OV BK BK OV OV BK BK OV OV OV BK SC SC SC FW
POP 12HR 5 0 30 70 60 50 50 10 10
RAIN SHWRS C L L C L S
SNOWSHWRS S S S C L C C C C
WYZ013-211100-
JACKSON-TETON WY
43.60N 110.73W ELEV. 6451 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 41 33 41 30
TEMP 28 23 25 27 30 31 34 38 40 37 36 34 35 36 37 40 39 34 35 33 32
DEWPT 16 15 19 23 26 29 31 32 33 35 36 34 35 34 33 31 31 29 30 29 29
RH 60 71 78 85 85 92 89 79 76 92100100100 92 85 70 73 82 82 85 88
WIND DIR SW SW SW SW SW S S S S S S SW SW SW SW SW SW S S S S
WIND SPD 10 11 9 9 9 9 8 10 17 20 19 19 19 20 14 11 10 9 9 8 6
WIND GUST 18 18 16 16 14 21 32 36 35 34 34 33 26 21 17 16 14 13
CLOUDS FW SC BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 70 100 100 100 90
QPF 12HR 0.05 0.43 0.47 0.21 0.07
SNOW 12HR 1 2 00-00 00-00 00-00
RAIN SHWRS S D D D D D D D D D D D D D C
SNOWSHWRS C C L D D D S S S S D D D D C
WIND CHILL 12 26 25 23 24 25
MIN CHILL 18 12 17 22 28 25 23 25 30 27 26
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 29 44 29 41 26 38 19 36
TEMP 39 41 34 30 37 43 36 31 37 39 31 28 35 36 28 22 29 30
DEWPT 31 29 25 24 28 33 32 28 32 30 27 25 29 26 23 18 21 19
PWIND DIR S S S S SW SW SW SW SW
WIND CHAR LT GN GN GN GN GN GN GN LT
AVG CLOUDS OV OV OV BK OV BK OV OV OV BK OV OV OV BK OV BK BK FW
POP 12HR 50 10 80 100 80 80 80 50 30
RAIN SHWRS C S C D D D L D D
SNOWSHWRS C C S S L D D D D L C C C C
TSTMS S
WYZ001-211100-
LAKE YELLOWSTONE-TETON WY
44.55N 110.42W ELEV. 7835 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 37 31 37 25
TEMP 19 17 19 21 27 29 32 35 35 34 33 33 32 32 35 36 32 29 28 27 28
DEWPT 13 13 11 16 20 24 29 30 30 32 32 32 31 31 32 30 27 26 25 24 25
RH 77 84 70 81 74 81 88 82 82 92 96 96 96 96 89 79 81 88 88 88 88
WIND DIR W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 5 6 4 3 3 4 5 5 5 8 8 9 10 11 9 9 6 5 4 3 2
WIND GUST 19 26 19 16 16 18 19 21 24 29 33 33 35 32 25 25 25 23 19 16 16
CLOUDS FW SC SC BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 30 100 100 100 70
QPF 12HR 0.01 0.30 0.50 0.20 0.04
SNOW 12HR T 3 3 1 T
SNOWSHWRS C D D D D D D D D D D L L L L L L
WINTER STORM W W W W W W W W W W
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 38 23 39 24 35 21 31 13 29
TEMP 35 35 27 26 36 36 30 26 32 32 26 24 28 28 21 17 24 24
DEWPT 32 26 21 20 29 30 27 23 28 27 22 20 24 21 16 14 19 15
PWIND DIR SW S S SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS OV BK BK BK SC BK OV OV OV OV OV OV OV OV BK BK OV SC
POP 12HR 60 5 60 80 60 60 70 30 20
SNOWSHWRS L S L D L L L C L L L C S S
WYZ003-211100-
CODY-PARK WY
44.52N 109.02W ELEV. 5102 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 46 37 54 33
TEMP 32 25 23 25 27 26 37 45 39 38 44 47 44 43 52 52 46 39 37 37 37
DEWPT 12 13 11 13 15 18 23 27 27 28 29 31 31 31 31 30 29 26 24 24 25
RH 43 60 59 60 60 71 56 49 62 67 55 53 60 62 44 43 51 59 59 59 61
WIND DIR SW S S S S S S SE SE SW SW SW SW SW W W W W SW SW SW
WIND SPD 9 8 6 5 3 3 2 3 5 6 6 6 8 10 11 9 9 10 8 6 5
WIND GUST 16 20 21 17
CLOUDS FW SC SC SC BK BK OV BK SC SC SC SC SC BK SC SC SC SC SC SC BK
POP 12HR 0 30 40 30 10
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 S S
SNOWSHWRS S C
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 35 58 35 53 32 50 27 45
TEMP 48 48 42 39 51 52 44 40 48 47 38 36 46 43 35 32 39 38
DEWPT 31 29 23 23 28 30 28 25 28 27 25 23 25 23 19 17 18 19
PWIND DIR SW SW SW SW W SW W W W
WIND CHAR LT GN GN GN GN GN GN GN GN
AVG CLOUDS BK BK BK SC FW SC BK BK SC SC BK BK SC SC SC SC SC FW
POP 12HR 0 0 5 30 10 10 10 5 5
RAIN SHWRS C S
WYZ004-211100-
GREYBULL-BIG HORN WY
44.52N 108.08W ELEV. 3939 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 44 28 52 28
TEMP 33 25 23 22 22 23 32 42 41 36 34 34 31 30 42 51 47 38 34 31 30
DEWPT 18 17 16 14 14 16 20 27 30 31 31 32 31 30 34 34 34 30 28 26 26
RH 53 71 74 71 71 74 61 55 65 82 89 92100100 73 52 60 73 78 81 85
WIND DIR SE E SE SE SE S SE SE SE SE SE SE SE SE S S E SE SE SE SE
WIND SPD 4 3 3 4 4 3 4 4 3 6 10 12 10 6 5 4 4 2 3 5 5
WIND GUST 11 11
CLOUDS CL FW SC SC BK BK OV BK SC SC SC SC SC BK BK SC SC SC SC BK BK
POP 12HR 0 10 5 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 30 57 33 54 29 50 23 43
TEMP 42 48 38 32 48 54 46 38 45 49 37 32 42 45 32 27 34 38
DEWPT 31 31 26 25 30 31 32 31 34 32 29 27 30 26 23 20 23 22
PWIND DIR SE SE SE SE S SE S W S
WIND CHAR GN GN GN BZ GN GN LT LT LT
AVG CLOUDS BK BK BK BK FW SC BK BK SC FW SC BK SC FW SC SC SC FW
POP 12HR 0 0 0 10 10 10 5 5 5
WYZ006-211100-
WORLAND-WASHAKIE WY
43.97N 107.95W ELEV. 4227 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 49 30 58 25
TEMP 28 25 23 22 22 26 38 48 41 38 38 35 34 32 50 57 48 37 33 30 28
DEWPT 18 15 14 12 12 16 23 27 29 28 29 30 30 30 33 32 32 27 25 25 23
RH 66 65 68 65 65 65 54 44 62 67 70 82 85 92 52 38 54 67 72 81 81
WIND DIR S SE SE SE SE SE SE E S S S S S S SW W S S SE S SE
WIND SPD 1 3 4 4 4 4 4 4 4 5 10 11 11 9 9 10 5 4 5 6 6
WIND GUST 17 21
CLOUDS CL FW SC SC SC BK BK SC BK FW SC SC SC SC SC SC SC SC SC BK BK
POP 12HR 5 10 5 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 28 60 32 55 26 52 20 44
TEMP 45 49 38 32 51 54 45 37 47 49 38 30 45 46 31 24 37 38
DEWPT 30 27 23 22 29 29 32 29 33 30 29 25 27 24 20 18 22 20
PWIND DIR S S S S S S SW SW SW
WIND CHAR LT GN GN GN GN GN GN LT LT
AVG CLOUDS BK BK BK BK FW SC BK SC SC FW SC SC SC FW FW FW FW CL
POP 12HR 0 0 0 10 10 10 5 5 5
WYZ005-211100-
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY
43.71N 108.39W ELEV. 4902 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 48 32 59 27
TEMP 26 24 23 23 24 27 42 47 42 39 37 34 36 38 52 58 48 37 33 30 30
DEWPT 16 13 11 12 13 17 24 28 29 30 30 30 30 31 33 30 30 27 25 24 24
RH 65 62 59 62 62 65 48 47 60 70 75 85 79 76 48 34 49 67 72 78 78
WIND DIR W SW S S S S S S S S S S S SW SW W W SW SW SW SW
WIND SPD 3 4 4 4 4 4 8 10 8 9 10 10 10 11 21 19 9 6 4 5 4
WIND GUST 18 17 18 28 31 16
CLOUDS CL SC SC SC SC SC FW SC SC FW SC SC SC SC SC SC SC SC SC BK BK
POP 12HR 5 20 20 20 5
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
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 29 57 31 54 28 51 23 45
TEMP 46 47 36 33 49 51 42 36 48 47 35 32 47 45 33 27 40 38
DEWPT 31 29 23 22 29 30 31 27 33 30 28 23 27 25 20 18 20 22
PWIND DIR S S S S SW SW SW W SW
WIND CHAR LT GN GN BZ GN GN GN GN LT
AVG CLOUDS BK BK BK BK FW SC BK SC SC SC BK SC SC SC FW SC FW CL
POP 12HR 0 0 10 30 20 20 20 5 5
RAIN SHWRS C C S S S S S
SNOWSHWRS S S S
WYZ010-211100-
BUFFALO-JOHNSON WY
44.38N 106.72W ELEV. 4968 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 46 36 56 30
TEMP 26 23 25 26 29 33 42 44 36 39 42 40 40 48 55 53 40 37 37 35 35
DEWPT 17 11 9 9 11 16 24 30 29 29 29 30 30 30 32 33 31 29 27 24 22
RH 68 59 50 48 46 49 48 57 75 67 60 67 67 49 41 46 70 72 67 64 59
WIND DIR S S S S S S S SE SW SW W W SW W W NW W S SW SW SW
WIND SPD 8 9 8 8 8 8 4 5 6 8 10 12 14 14 11 9 4 4 5 5 6
WIND GUST 19 24 26 20 17
CLOUDS FW SC SC BK BK BK BK SC SC SC SC SC SC SC SC BK BK BK SC BK BK
POP 12HR 0 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 37 59 38 54 31 48 25 43
TEMP 49 48 44 42 52 52 49 43 50 45 38 36 45 41 35 31 38 33
DEWPT 30 30 23 22 28 29 30 27 30 30 25 21 23 24 20 16 19 19
PWIND DIR SW SW SW SW W SW SW W W
WIND CHAR LT GN BZ BZ GN GN GN GN GN
AVG CLOUDS BK BK BK BK SC FW BK BK SC SC BK BK BK SC SC SC SC FW
POP 12HR 0 0 0 5 10 5 5 10 5
WYZ012-211100-
RENDEZVOUS MOUNTAIN-TETON WY
43.59N 110.89W ELEV. 10318 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 11 27 24 26 19
TEMP 13 13 17 19 22 22 23 24 26 25 26 26 25 25 23 22 19 20 21 21 21
DEWPT 8 5 11 16 18 19 19 20 22 23 24 24 24 23 21 20 19 20 21 21 20
RH 80 70 77 88 84 88 84 84 85 92 92 92 96 92 92 92100100100100 96
WIND DIR W SW SW SW SW SW SW SW SW SW SW SW W SW W SW SW SW SW SW SW
WIND SPD 11 17 17 16 17 16 12 12 19 31 32 32 31 27 18 12 11 14 16 14 14
WIND GUST 21 25 23 25 25 21 27 39 48 49 49 50 47 32 24 20 23 23 23 24
CLOUDS SC SC OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 70 100 100 100 90
QPF 12HR 0.12 0.90 1.03 0.59 0.20
SNOW 12HR 2 11 10 6 2
SNOWSHWRS C C D D D D D D D D D D D D D D D D L
WIND CHILL -1 -4 1 4 8 8 11 12 12 8 9 9 8 9 9 10 7 6 7 8 8
MIN CHILL -1 -5 3 8 11 8 8 8 7 6 7
WINTER STORM W W W W W W W W W W
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 27 19 25 19 23 16 19 9 18
TEMP 23 21 20 20 22 22 23 21 20 20 19 18 17 15 14 12 13 11
DEWPT 22 19 15 15 21 22 23 21 20 20 18 17 17 15 12 9 11 10
PWIND DIR SW SW S SW SW SW SW SW W
WIND CHAR GN BZ BZ BZ BZ BZ BZ BZ GN
AVG CLOUDS OV BK OV BK BK OV OV OV OV OV OV OV OV BK BK BK BK FW
POP 12HR 60 20 80 100 90 90 90 60 40
SNOWSHWRS L S S S C D D D D D D D D D L C C C
TSTMS S
WYZ023-211100-
AFTON-LINCOLN WY
42.71N 110.94W ELEV. 6201 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 25 41 31 41 29
TEMP 32 26 28 30 31 33 35 38 38 35 34 33 33 34 35 40 39 36 35 33 31
DEWPT 22 23 25 28 30 32 35 38 38 35 34 33 33 34 35 37 36 34 34 31 30
RH 66 88 88 92 96 96100100100100100100100100100 89 89 92 96 92 96
WIND DIR S S S SE SE S S S S S S S SW SW SW SW S S S S SE
WIND SPD 4 4 3 4 3 4 5 8 10 11 11 10 9 6 3 2 3 5 5 3 3
WIND GUST 11 16 25 24 24 24 20 20 18 12 10 10 12
CLOUDS SC BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 70 100 100 90 80
QPF 12HR 0.02 0.32 0.32 0.18 0.06
SNOW 12HR T 00-00 00-00 00-00 00-00
RAIN SHWRS C D D D D L D D D D D D D D C C C
SNOWSHWRS C L C S S S S
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 30 46 31 43 26 40 19 39
TEMP 40 42 34 30 40 41 37 32 37 38 33 28 35 36 28 21 30 32
DEWPT 35 33 27 25 35 36 36 32 37 34 32 28 33 31 26 21 27 26
PWIND DIR S SE S S S S SW SW S
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS OV OV OV OV OV OV OV OV OV BK OV OV OV SC SC BK BK SC
POP 12HR 30 10 70 100 90 90 90 50 40
RAIN SHWRS C C L D D D D D D S
SNOWSHWRS S S S S D S D D C C C C
TSTMS S
WYZ004-211100-
POWELL-PARK WY
44.87N 108.79W ELEV. 5092 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 38 32 49 30
TEMP 27 25 25 26 26 26 32 37 35 35 37 35 34 33 43 46 40 34 33 32 32
DEWPT 16 13 12 12 12 12 15 20 23 25 26 27 27 27 31 31 30 25 23 22 22
RH 63 60 57 55 55 55 49 50 61 66 64 72 75 78 62 55 67 69 66 66 66
WIND DIR S S S SE S SE SE SE SE SE SE SE SE S SW W SW W S S SE
WIND SPD 9 9 10 10 11 10 10 9 5 8 10 11 10 8 6 6 5 6 6 8 8
WIND GUST 13
CLOUDS FW SC SC BK OV OV OV OV SC SC BK SC BK BK SC SC SC SC SC BK BK
POP 12HR 0 20 20 20 5
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
SNOWSHWRS S
WIND CHILL 15
MIN CHILL 18 15 14 15 26 28 26 25 27 25
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 32 51 34 48 29 47 27 41
TEMP 41 39 37 34 44 45 42 38 45 42 34 32 43 40 34 31 37 35
DEWPT 27 28 23 22 26 28 27 25 27 27 22 21 25 23 19 17 19 19
PWIND DIR SE SE SE S S SW SW NW S
WIND CHAR GN GN BZ BZ GN GN GN GN GN
AVG CLOUDS BK BK BK SC FW SC BK BK FW FW SC BK SC SC SC SC FW CL
POP 12HR 0 0 5 20 10 10 20 5 5
RAIN SHWRS S S S
SNOWSHWRS S S S
WYZ004-211100-
COWLEY-BIG HORN WY
44.91N 108.45W ELEV. 4090 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 41 31 45 29
TEMP 30 28 26 25 26 27 34 39 38 34 34 33 32 33 38 44 42 35 33 31 31
DEWPT 21 18 16 14 15 16 20 26 30 30 31 32 32 32 36 35 33 30 28 26 27
RH 69 66 65 62 62 63 56 59 73 85 89 96100 96 92 70 70 82 82 81 85
WIND DIR NE SE E E N N NE NE W S S SE SE S S S SE E SE SE SE
WIND SPD 3 4 4 5 5 4 3 3 3 3 6 8 6 5 3 3 3 3 4 4 4
WIND GUST 10
CLOUDS CL FW FW SC BK OV OV OV BK SC SC BK BK BK SC SC SC SC SC SC BK
POP 12HR 0 20 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 48 32 54 33 49 29 48 26 44
TEMP 41 43 37 34 46 50 44 37 45 45 35 32 42 42 33 29 38 38
DEWPT 32 33 28 26 30 32 32 31 34 32 28 27 31 28 23 22 25 23
PWIND DIR SE SE SE S S S SW N S
WIND CHAR LT LT GN GN GN LT LT GN LT
AVG CLOUDS BK BK BK SC FW SC BK BK SC FW SC SC SC SC SC SC FW CL
POP 12HR 0 0 0 20 10 10 20 10 5
RAIN SHWRS S S S
SNOWSHWRS S S
WYZ016-211100-
DUBOIS-FREMONT WY
43.55N 109.69W ELEV. 7291 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 45 37 44 32
TEMP 26 23 24 27 31 32 39 43 43 42 39 38 39 38 42 42 39 36 35 34 34
DEWPT 12 9 11 17 21 24 27 29 30 31 32 32 31 31 29 26 25 24 24 23 25
RH 55 54 57 65 66 72 62 57 60 65 76 79 73 76 60 53 57 61 64 64 69
WIND DIR W NW NW NW NW NW NW W W W W W W W W W W W W W W
WIND SPD 11 14 13 12 13 12 11 16 18 21 20 20 21 21 19 17 11 10 9 9 9
WIND GUST 19 23 21 20 21 29 33 36 33 33 35 36 31 28 19
CLOUDS FW SC SC SC BK BK BK SC SC SC BK BK BK BK BK BK BK BK BK BK BK
POP 12HR 40 90 90 90 70
QPF 12HR 0.01 0.12 0.26 0.09 0.05
SNOW 12HR T T 00-00 00-00 T
RAIN SHWRS S D D D D D D D D L L L L L S
SNOWSHWRS C C L D D S S S D L L L L L S
WIND CHILL 10 12 16 27
MIN CHILL 16 9 13 21 29 28 27 27 27
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 31 47 32 44 29 39 20 38
TEMP 44 41 35 33 44 42 39 35 41 39 33 31 38 34 28 24 32 30
DEWPT 27 24 21 21 26 28 27 25 27 24 22 21 22 19 17 14 14 14
PWIND DIR W W SW SW W W W W W
WIND CHAR GN GN BZ BZ BZ GN BZ BZ GN
AVG CLOUDS BK BK BK BK SC BK OV OV BK BK BK BK BK BK BK BK SC FW
POP 12HR 20 5 50 90 60 70 60 30 20
RAIN SHWRS S C D D
SNOWSHWRS S S S L L L L L C C S S S
WYZ027-211100-
KEMMERER-LINCOLN WY
41.83N 110.56W ELEV. 7285 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 44 33 44 29
TEMP 32 30 30 31 32 34 40 42 41 39 38 36 34 35 41 43 41 36 35 32 32
DEWPT 24 25 27 28 29 31 34 36 35 35 34 32 33 33 33 32 33 30 29 26 25
RH 72 81 88 88 88 89 79 79 79 85 85 85 96 92 73 65 73 79 78 78 75
WIND DIR NW W W SW SW SW SW SW SW SW SW SW SW SW W W W W SW SW SW
WIND SPD 6 3 2 2 3 3 10 19 17 18 19 19 19 19 19 16 8 4 3 3 3
WIND GUST 23 34 33 35 35 33 32 33 31 26 16
CLOUDS SC BK OV BK BK BK BK BK SC SC BK BK BK BK BK BK BK BK BK BK BK
POP 12HR 20 60 40 40 10
QPF 12HR 0 0.07 0.01 0.01 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C L C S S C C C C S
SNOWSHWRS S S C S C
WIND CHILL 25 23 24
MIN CHILL 25 26 29 30 28 23 24 31 29
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 49 29 48 31 45 29 40 20 36
TEMP 43 43 35 32 43 43 38 35 41 40 34 31 37 35 28 24 30 31
DEWPT 29 26 23 22 29 32 32 31 34 32 30 28 29 28 23 20 23 22
PWIND DIR SW S S SW SW SW W W W
WIND CHAR LT LT GN GN GN GN GN GN LT
AVG CLOUDS BK BK OV BK SC BK OV BK SC BK BK BK BK BK SC FW SC FW
POP 12HR 0 0 30 80 70 60 60 20 20
RAIN SHWRS C L D L L C S
SNOWSHWRS S S S L C L L C S S S
WYZ023-211100-
ALPINE-LINCOLN WY
43.18N 111.04W ELEV. 5634 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 27 41 33 41 34
TEMP 33 28 29 29 30 33 34 38 39 37 35 34 35 35 36 39 40 39 38 38 37
DEWPT 21 24 27 29 30 33 34 37 39 37 35 34 35 35 36 37 35 37 36 35 35
RH 61 85 92100100100100 96100100100100100100100 92 82 92 92 89 92
WIND DIR SW SE E SE SE SE S S S S S SW SW SW SW SW S S S S SE
WIND SPD 5 4 3 3 3 4 4 5 9 11 10 10 11 9 5 3 2 4 4 3 3
WIND GUST 10 11 12 17 21 23 21 21 21 20 14 11
CLOUDS SC BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 60 100 100 90 90
QPF 12HR 0.06 0.49 0.56 0.23 0.11
SNOW 12HR 1 1 00-00 00-00 00-00
RAIN SHWRS S D D D D D D D D D D D D L L C
SNOWSHWRS S L L D D S S S S S S
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 46 33 46 34 43 31 40 24 38
TEMP 41 44 38 35 39 45 41 36 37 42 36 34 36 38 33 27 30 34
DEWPT 37 34 31 30 34 38 38 35 36 36 34 32 34 31 30 25 27 26
PWIND DIR SE SE SE S S S SW SW S
WIND CHAR LT LT GN GN LT LT GN LT LT
AVG CLOUDS OV OV OV OV OV OV OV OV OV BK OV OV OV SC BK BK BK FW
POP 12HR 40 10 80 100 90 90 80 40 30
RAIN SHWRS C C D D D D D D D D
SNOWSHWRS S S D S D S S L C C C C
TSTMS S
WYZ023-211100-
COKEVILLE-LINCOLN WY
42.05N 110.97W ELEV. 6270 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 43 32 44 28
TEMP 34 29 29 29 30 33 37 42 40 37 35 33 33 34 39 43 41 36 35 31 30
DEWPT 26 26 27 29 30 32 37 39 38 37 35 33 33 34 38 37 36 34 32 29 28
RH 72 88 92100100 96100 89 92100100100100100 96 79 82 92 89 92 92
WIND DIR NE E SE SE S S SW SW SW S SW SW SW SW SW W SW S S SE SE
WIND SPD 4 2 2 3 3 4 5 5 8 9 11 9 9 9 6 4 3 3 4 4 3
WIND GUST 13 18 17 21 23 19 18 18 13 11
CLOUDS SC BK OV BK OV OV OV OV BK OV BK OV OV OV OV OV OV OV BK OV BK
POP 12HR 40 90 60 60 30
QPF 12HR 0 0.19 0.10 0.06 0.01
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS L L D L C C C C L L L C C
SNOWSHWRS C C L S S
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 48 29 47 31 45 27 41 20 37
TEMP 41 44 35 32 43 43 37 33 40 41 33 29 37 37 27 23 30 32
DEWPT 34 32 26 25 34 35 35 32 38 35 32 29 34 31 26 22 27 26
PWIND DIR S SE S S SW SW SW W W
WIND CHAR LT LT GN GN LT GN GN LT LT
AVG CLOUDS BK BK OV BK BK OV OV BK SC BK BK BK BK SC SC FW SC SC
POP 12HR 5 0 50 90 80 70 70 30 20
RAIN SHWRS C D D L D L L L S
SNOWSHWRS S S S S L L C S S S
WYZ028-211100-
GREEN RIVER-SWEETWATER WY
41.46N 109.49W ELEV. 7182 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 31 54 34 56 30
TEMP 38 34 34 32 34 35 49 52 48 45 44 39 37 35 50 55 49 41 37 33 32
DEWPT 26 26 26 25 25 28 34 37 35 33 31 29 29 28 33 34 34 30 28 24 24
RH 62 72 72 75 69 75 56 56 60 62 60 67 72 75 52 45 56 65 70 69 72
WIND DIR W SE SE SE S SE S SW SW S S S S S SW W W S S S SE
WIND SPD 8 1 2 2 3 4 6 9 8 9 11 10 9 10 11 13 6 4 6 6 5
WIND GUST 18 16 20 24
CLOUDS SC BK BK SC SC BK BK SC SC BK SC SC SC SC SC SC SC SC SC SC BK
POP 12HR 10 20 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 34 55 36 52 31 48 24 41
TEMP 49 50 42 37 49 50 43 39 47 47 39 35 44 42 33 27 36 37
DEWPT 31 25 20 20 31 32 32 31 37 35 30 29 33 29 25 22 27 26
PWIND DIR S S S S SW SW SW W W
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS BK OV OV OV SC BK OV BK BK BK BK SC BK BK SC FW FW FW
POP 12HR 0 0 10 60 60 50 40 20 10
RAIN SHWRS C L L L C C C C S
SNOWSHWRS S C C C S
WYZ017-211100-
SHOSHONI-FREMONT WY
43.25N 108.12W ELEV. 4817 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 25 48 34 57 31
TEMP 40 30 29 27 26 27 41 46 44 40 40 39 37 37 45 55 51 42 38 34 33
DEWPT 15 15 14 14 17 21 29 30 32 33 32 32 31 31 36 33 33 30 29 27 27
RH 36 53 53 57 68 78 62 53 62 76 73 76 79 79 70 43 50 62 70 75 78
WIND DIR W S SE E E SE SE W E S S SW S SW SW W SW SW S S SE
WIND SPD 6 4 3 4 4 4 4 5 6 9 18 19 20 20 19 19 11 6 8 10 11
WIND GUST 13 12 14 16 29 33 20 13
CLOUDS CL SC SC SC FW SC FW SC SC CL SC SC SC SC SC SC SC SC SC SC BK
POP 12HR 5 20 20 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S S
WIND CHILL 26 26
MIN CHILL 25 20 20 31 26 24 24
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 33 60 36 57 32 53 25 46
TEMP 47 51 40 35 53 55 47 41 49 51 40 35 46 47 34 28 39 40
DEWPT 33 27 23 23 29 33 34 33 36 33 31 28 30 25 23 21 23 22
PWIND DIR S S S S SW SW SW SW W
WIND CHAR GN GN BZ WY BZ BZ BZ GN LT
AVG CLOUDS BK BK BK BK SC SC BK BK SC SC BK SC SC SC FW FW FW CL
POP 12HR 0 0 5 30 30 30 20 5 5
RAIN SHWRS C C C C C C S
SNOWSHWRS S
WYZ005-211100-
THERMOPOLIS-HOT SPRINGS WY
43.66N 108.21W ELEV. 4592 FT
446 PM MST SAT DEC 20 2025
DATE SAT 12/20/25 SUN 12/21/25 MON 12/22/25 TUE
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 52 35 58 30
TEMP 32 26 25 25 23 25 41 50 47 41 39 37 36 36 49 57 50 39 35 33 32
DEWPT 19 14 12 12 13 17 26 30 31 31 31 31 31 31 34 32 32 28 27 26 26
RH 58 60 57 57 65 71 55 46 53 67 73 79 82 82 56 38 50 64 72 75 78
WIND DIR N SW S S S S S S S S S S S S SW W SW S S S S
WIND SPD 2 5 5 6 5 5 8 10 10 12 14 14 13 11 12 16 9 8 8 8 6
WIND GUST 17 19 25
CLOUDS CL FW SC SC SC SC SC SC SC FW SC SC SC SC SC FW SC SC SC BK BK
POP 12HR 5 20 20 10 5
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
DATE 12/23/25 WED 12/24/25 THU 12/25/25 FRI 12/26/25 SAT 12/27/25
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 59 34 56 30 53 24 47
TEMP 47 50 39 34 51 54 45 38 49 50 38 33 47 47 34 27 40 41
DEWPT 33 29 24 22 29 31 33 31 35 32 30 25 29 26 21 19 22 23
PWIND DIR S S S S SW S SW SW SW
WIND CHAR GN GN GN BZ GN GN GN GN LT
AVG CLOUDS BK BK BK BK FW SC BK SC SC SC BK SC SC SC FW FW FW CL
POP 12HR 0 0 5 30 20 20 20 5 5
RAIN SHWRS S C S S S S S
SNOWSHWRS 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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