505
FOUS55 KRIW 200546
PFMRIW
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE RIVERTON WY
1046 PM MST FRI DEC 19 2025
WYZ020-201100-
CASPER-NATRONA WY
42.91N 106.46W ELEV. 5530 FT
1046 PM MST FRI DEC 19 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 25 52 39
TEMP 43 31 25 23 35 39 32 27 26 28 32 34 45 51 47 44 45 44 45
DEWPT 30 25 21 20 18 13 11 12 14 18 23 26 29 31 33 32 32 30 29
RH 60 78 84 88 49 34 41 53 60 66 69 72 53 46 58 62 60 57 53
WIND DIR NW NE N SW W W W SW SW SW SW S SW SW SW SW SW SW SW
WIND SPD 25 14 5 3 9 16 9 10 10 11 11 11 14 19 19 20 21 23 24
WIND GUST 46 23 16 25 25 29 32 33 37 41 43
CLOUDS BK OV SC SC CL CL FW FW SC BK BK OV OV BK BK BK BK SC SC
POP 12HR 80 10 0 5 5
QPF 12HR 0.11 0 0 0 0
SNOW 12HR T 00-00 00-00 00-00 00-00
RAIN SHWRS L
SNOWSHWRS L C
WIND CHILL 20
MIN CHILL 18 18 24 16 16 23
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 36 60 39 59 36 54 34 51
TEMP 54 51 43 38 54 53 45 44 56 53 45 42 50 48 41 39 47 45
DEWPT 33 33 31 25 26 22 21 19 23 27 30 27 31 31 29 26 27 23
PWIND DIR SW SW SW SW SW SW SW SW SW
WIND CHAR WY BZ BZ BZ WY WY WY BZ BZ
AVG CLOUDS SC SC SC BK BK BK SC FW SC SC BK BK BK FW FW SC BK BK
POP 12HR 5 5 0 0 0 20 10 20 10
RAIN SHWRS S S S S
SNOWSHWRS S
WYZ017-201100-
RIVERTON-FREMONT WY
43.06N 108.46W ELEV. 5525 FT
1046 PM MST FRI DEC 19 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 23 47 33
TEMP 41 34 29 24 35 41 36 29 25 24 25 26 39 46 42 38 38 37 38
DEWPT 28 23 18 16 15 11 10 10 11 13 14 16 21 24 27 27 28 27 28
RH 59 64 63 71 43 29 33 44 55 62 62 65 48 42 55 64 67 67 67
WIND DIR W E N SW W W W SW W SW SW NW NW SW SW SW SW SW SW
WIND SPD 17 13 8 6 5 9 5 5 4 4 4 3 3 4 6 10 14 20 20
WIND GUST 20 17 26 33 31
CLOUDS SC FW FW FW CL CL FW FW SC BK BK SC SC SC SC SC SC SC BK
POP 12HR 40 0 10 40 40
QPF 12HR 0.01 0 0 0 0.03
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C C C C C C C
SNOWSHWRS C S S C
WIND CHILL 26
MIN CHILL 21 16 31 19 18 21 29 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 56 32 56 33 56 31 52 30 49
TEMP 50 50 40 33 48 50 42 37 50 50 43 36 45 46 39 35 43 43
DEWPT 33 30 28 24 30 26 23 20 26 27 28 24 27 27 27 24 26 21
PWIND DIR SW SW SW S S SW SW SW SW
WIND CHAR BZ GN GN GN BZ BZ GN GN GN
AVG CLOUDS BK BK BK SC BK BK SC SC SC BK OV BK SC FW SC BK BK BK
POP 12HR 30 10 5 0 20 40 20 30 20
RAIN SHWRS C S S C C S S C S S S
SNOWSHWRS S S S C S S S
WYZ018-201100-
LANDER-FREMONT WY
42.82N 108.73W ELEV. 5586 FT
1046 PM MST FRI DEC 19 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 25 48 35
TEMP 42 36 31 24 36 41 36 30 27 27 27 28 40 47 45 41 42 41 41
DEWPT 28 23 18 15 14 11 11 10 11 15 16 19 24 27 30 29 30 29 29
RH 57 59 58 68 40 29 35 42 50 60 63 68 52 45 55 62 62 62 62
WIND DIR W E W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 12 10 5 8 6 8 9 8 4 4 3 4 5 6 11 14 20 21 20
WIND GUST 23 18 16 19 31 34 35 35
CLOUDS SC FW FW FW CL CL FW SC SC BK BK BK SC SC BK BK BK BK BK
POP 12HR 60 5 20 60 60
QPF 12HR 0.01 0 0 0.08 0.17
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C C L L L L C C C
SNOWSHWRS S S 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 56 32 55 34 55 30 51 30 48
TEMP 49 50 40 34 48 50 42 39 49 49 40 34 44 45 39 35 42 42
DEWPT 33 31 28 23 29 25 21 20 27 28 28 23 28 28 27 24 26 22
PWIND DIR SW SW SW SW SW SW SW SW SW
WIND CHAR BZ GN GN GN GN BZ GN GN GN
AVG CLOUDS BK SC BK BK BK BK SC SC BK BK OV OV BK SC BK BK BK BK
POP 12HR 50 20 5 0 30 50 30 40 30
RAIN SHWRS C C S C C C C C C C C S
SNOWSHWRS S C S S S C S
WYZ028-201100-
ROCK SPRINGS-SWEETWATER WY
41.61N 109.07W ELEV. 6760 FT
1046 PM MST FRI DEC 19 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 39 26 46 33
TEMP 40 37 32 29 33 38 35 30 28 28 29 29 40 45 45 41 38 36 35
DEWPT 31 30 26 26 25 22 23 24 23 24 26 27 29 31 34 33 30 29 29
RH 70 75 78 88 72 52 61 78 81 85 88 92 64 58 65 73 73 75 78
WIND DIR W W W W W W W SW SW SW SW S SW W W S S S SW
WIND SPD 27 24 25 23 24 21 9 4 3 3 3 2 3 8 5 6 9 11 11
WIND GUST 44 36 37 33 35 34 17 11 17 12 16 18 18
CLOUDS BK OV OV OV SC SC FW SC SC BK BK BK BK OV OV OV BK BK BK
POP 12HR 50 20 10 20 20
QPF 12HR 0.02 0.01 0 0 0
SNOW 12HR 00-00 T 00-00 00-00 00-00
RAIN SHWRS S C C C C S S S
SNOWSHWRS C S C S
WIND CHILL 29 26 19 15 20 27
MIN CHILL 29 19 15 23 24 23 25 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 48 29 53 35 50 31 45 30 42
TEMP 45 45 35 30 47 47 41 38 47 46 39 34 41 41 36 33 38 36
DEWPT 33 34 30 23 27 21 19 19 24 28 29 28 32 31 29 27 28 25
PWIND DIR SW SW S S S SW SW SW W
WIND CHAR GN GN GN GN BZ BZ GN GN GN
AVG CLOUDS BK BK BK BK BK BK SC BK BK OV OV OV BK SC SC BK BK BK
POP 12HR 20 10 0 0 20 50 40 40 30
RAIN SHWRS S S S C C C C C C S
SNOWSHWRS S C C C C C C C
WYZ026-201100-
BIG PINEY-SUBLETTE WY
42.58N 110.11W ELEV. 6990 FT
1046 PM MST FRI DEC 19 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 42 28
TEMP 33 29 25 17 29 34 28 21 18 18 21 22 34 41 38 33 34 33 33
DEWPT 30 22 17 14 17 15 14 13 13 15 19 22 29 31 32 30 31 30 30
RH 89 75 71 88 60 45 55 71 80 88 92100 82 67 79 89 89 89 89
WIND DIR W W W NW W W NW NE N NE E N S SW W S S S SW
WIND SPD 14 13 14 10 11 10 6 3 0 1 1 0 3 6 9 13 17 16 14
WIND GUST 25 20 24 19 21 20 13 16 25 26 24 23
CLOUDS SC SC SC SC FW FW FW SC BK OV OV OV OV BK BK OV BK OV BK
POP 12HR 80 20 30 80 80
QPF 12HR 0.02 0 0 0.10 0.08
SNOW 12HR T 00-00 00-00 T 00-00
RAIN SHWRS D D D D D D L
SNOWSHWRS C S S S L L D S
WIND CHILL 22 18 13 5 23 22
MIN CHILL 22 13 5 21 16 18 21 22 22
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 46 22 47 21 44 21 41 19 39
TEMP 41 40 30 24 39 41 27 24 38 39 30 25 35 36 28 23 32 32
DEWPT 34 31 27 22 30 26 20 18 28 27 26 22 28 27 24 21 25 21
PWIND DIR SW S S SE S SW SW SW W
WIND CHAR GN LT LT LT GN GN GN GN GN
AVG CLOUDS BK BK BK BK OV BK SC BK BK OV OV OV BK BK SC BK OV BK
POP 12HR 70 20 10 0 40 60 40 40 30
RAIN SHWRS L C S S C L C
SNOWSHWRS S S S S S C C C C C C C
WYZ025-201100-
PINEDALE-SUBLETTE WY
42.80N 109.81W ELEV. 7086 FT
1046 PM MST FRI DEC 19 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 31 16 39 28
TEMP 32 25 19 15 26 30 24 17 17 18 23 25 34 38 37 33 33 32 33
DEWPT 30 22 17 14 15 14 13 12 13 18 21 25 29 31 33 32 32 32 32
RH 92 88 92 96 62 51 62 80 84100 92100 82 76 85 96 96100 96
WIND DIR W W NW NW NW NW NE NE NE NE E SE S S S S SE S S
WIND SPD 14 11 9 8 6 4 3 4 4 4 4 4 5 10 10 11 11 11 9
WIND GUST 21 23 14 13 12 17 18 23 24 25 25
CLOUDS BK SC SC SC SC FW FW FW BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 90 10 30 90 90
QPF 12HR 0.03 0 0 0.13 0.11
SNOW 12HR T 00-00 00-00 1 00-00
RAIN SHWRS D D D D D L
SNOWSHWRS C S S L L D D S S
WIND CHILL 14 8 4
MIN CHILL 22 8 4 20 10 10 18 29 24 23
WINTER WEATH Y 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 24 43 23 42 22 39 20 36
TEMP 40 38 29 25 39 39 27 25 40 39 29 25 35 36 27 23 33 30
DEWPT 34 31 27 24 29 25 21 20 28 29 26 23 27 28 25 22 24 20
PWIND DIR S S SE SE S S S S W
WIND CHAR GN GN LT LT GN GN GN GN GN
AVG CLOUDS OV OV OV OV OV OV BK BK OV OV OV OV OV BK SC OV OV OV
POP 12HR 70 30 10 0 40 60 40 40 40
RAIN SHWRS L L C S C L
SNOWSHWRS S L C S C L C C C C C C C
WYZ013-201100-
JACKSON-TETON WY
43.60N 110.73W ELEV. 6451 FT
1046 PM MST FRI DEC 19 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 30 19 40 33
TEMP 34 25 18 16 25 29 25 20 21 22 25 28 32 38 39 36 37 36 35
DEWPT 26 19 13 11 15 14 13 13 16 21 24 26 29 31 33 33 34 34 33
RH 72 78 80 80 65 53 60 74 81 96 96 92 88 76 79 89 89 92 92
WIND DIR W SW SW SW SW SW SW SW S S S S S S S S S SW SW
WIND SPD 20 14 12 9 11 12 11 11 10 9 8 6 6 9 12 17 19 18 19
WIND GUST 33 23 20 17 18 23 19 18 16 14 13 17 23 33 35 36 37
CLOUDS SC FW SC SC FW FW SC SC BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 50 30 60 100 100
QPF 12HR 0.04 0 0.03 0.35 0.41
SNOW 12HR T 00-00 T 2 00-00
RAIN SHWRS D D D D D D D
SNOWSHWRS C C C S S L L D D D S S
TSTMS
WIND CHILL 23 13 5 4 14 14 8 10 24
MIN CHILL 23 5 4 14 8 10 18 28 26 24
WINTER WEATH Y 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 43 28 42 23 39 26 38
TEMP 38 39 35 30 38 39 32 29 36 39 31 25 34 37 33 28 33 32
DEWPT 34 31 31 27 31 28 24 22 29 29 26 22 27 28 28 24 25 21
PWIND DIR SW S S S S SW S S SW
WIND CHAR BZ GN GN GN GN GN GN GN GN
AVG CLOUDS OV OV OV OV OV OV BK BK OV OV OV OV OV BK BK OV OV OV
POP 12HR 100 80 50 20 80 90 70 70 70
RAIN SHWRS D D D L C C S S C D D
SNOWSHWRS S S S S S S S C S S L L L L L L L
WYZ001-201100-
LAKE YELLOWSTONE-TETON WY
44.55N 110.42W ELEV. 7835 FT
1046 PM MST FRI DEC 19 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 13 33 28
TEMP 22 16 11 10 19 21 18 14 14 16 20 23 29 32 31 31 32 31 31
DEWPT 16 9 5 6 12 11 10 11 12 15 19 23 27 28 28 29 29 29 28
RH 77 73 76 83 74 65 70 88 92 96 96100 92 85 88 92 88 92 88
WIND DIR W W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD 10 11 4 5 6 8 6 6 4 4 3 4 5 6 6 6 8 9 10
WIND GUST 18 18 21 21 24 24 26 21 20 18 18 20 21 25 28 31 33 35
CLOUDS SC FW SC SC FW FW SC BK BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 20 10 30 90 100
QPF 12HR 0.02 0 0 0.26 0.40
SNOW 12HR T 00-00 00-00 3 4
SNOWSHWRS S S S L L D D D D D D D
TSTMS
WIND CHILL 11 3
MIN CHILL 11 0 0 9 4 8 16 24 24 22
WINTER STORM W 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 24 38 22 38 19 34 20 31
TEMP 34 32 29 25 35 35 26 24 35 34 27 23 30 30 26 23 28 27
DEWPT 32 27 25 23 31 27 20 19 29 27 23 19 25 23 22 19 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 BK SC SC BK OV OV OV OV OV BK OV OV OV
POP 12HR 90 60 50 10 60 60 40 50 50
SNOWSHWRS D L L L C C C L L C C C C C C C
WYZ003-201100-
CODY-PARK WY
44.52N 109.02W ELEV. 5102 FT
1046 PM MST FRI DEC 19 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 33
TEMP 28 27 23 22 34 37 31 25 25 26 28 28 40 44 39 36 38 39 39
DEWPT 21 17 13 12 12 12 11 11 10 12 14 17 23 26 27 26 27 27 27
RH 75 65 65 65 39 35 43 55 52 55 55 63 50 49 62 67 64 62 62
WIND DIR E SE SW W W W SW SW SW SW SW SW S SW SW SW SW SW SW
WIND SPD 10 5 5 9 10 9 9 11 8 5 4 3 1 3 6 8 8 8 8
WIND GUST 18 18 17 16
CLOUDS BK FW FW FW FW CL CL FW SC BK BK OV OV BK BK BK SC BK BK
POP 12HR 20 0 0 30 40
QPF 12HR 0.02 0 0 0 0
SNOW 12HR T 00-00 00-00 00-00 00-00
RAIN SHWRS S S C C C C C
SNOWSHWRS S S S
WIND CHILL 14
MIN CHILL 16 16 12 23 14 17 22 30
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 33 54 35 56 33 53 33 51
TEMP 48 46 39 35 48 47 41 40 51 49 41 37 47 46 39 38 47 43
DEWPT 32 30 25 23 31 30 23 21 27 29 25 21 25 25 24 21 23 21
PWIND DIR SW SW SW SW SW SW SW SW W
WIND CHAR GN GN LT GN GN GN GN GN GN
AVG CLOUDS BK BK BK BK BK SC FW SC SC BK BK BK SC FW SC SC BK SC
POP 12HR 30 10 5 0 10 20 10 10 10
RAIN SHWRS C S S
SNOWSHWRS S
WYZ004-201100-
GREYBULL-BIG HORN WY
44.52N 108.08W ELEV. 3939 FT
1046 PM MST FRI DEC 19 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 39 18 43 28
TEMP 33 28 24 21 30 38 33 25 21 20 20 20 32 42 39 34 33 32 32
DEWPT 21 18 16 15 17 16 16 15 13 13 12 14 18 23 27 28 28 28 29
RH 61 66 71 77 58 40 49 65 71 74 71 77 56 46 62 78 82 85 88
WIND DIR NW W W N SE S SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 19 6 3 0 3 5 5 4 4 6 5 3 3 5 8 10 13 13 12
WIND GUST 34 13 20 20
CLOUDS SC FW CL FW FW CL CL FW FW SC BK OV OV BK BK BK BK BK BK
POP 12HR 20 5 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 S
WIND CHILL 21
MIN CHILL 21 19 21 28 15 11 12 23 22
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 52 31 57 28 52 28 50
TEMP 43 45 35 29 43 48 37 33 48 52 40 32 42 46 36 31 41 45
DEWPT 35 35 30 26 33 32 26 23 29 30 29 26 29 28 28 26 28 26
PWIND DIR SE SE SE SE SE SE S SE S
WIND CHAR GN LT GN GN GN GN LT GN LT
AVG CLOUDS BK BK BK BK OV BK SC SC SC BK BK BK BK FW FW SC SC SC
POP 12HR 10 5 0 0 5 10 5 5 5
WYZ006-201100-
WORLAND-WASHAKIE WY
43.97N 107.95W ELEV. 4227 FT
1046 PM MST FRI DEC 19 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 40 17 44 26
TEMP 32 27 23 20 33 39 32 23 19 18 20 19 35 43 40 32 32 30 30
DEWPT 27 20 18 16 17 15 14 12 11 10 11 13 20 25 28 26 27 27 27
RH 81 74 81 84 51 37 47 62 70 70 67 77 54 49 62 78 81 88 88
WIND DIR NW SW SW N S E E SE SE SE SE S S SE S S SE S S
WIND SPD 14 9 5 0 3 4 4 3 3 4 4 3 3 3 4 6 9 11 11
WIND GUST 25 10
CLOUDS OV SC FW FW CL CL CL FW SC BK BK BK OV BK SC SC SC SC SC
POP 12HR 50 5 0 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS C
WIND CHILL 21
MIN CHILL 19 16 20 27 14 11 12 24 20
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 25 55 27 59 27 54 25 51
TEMP 46 46 35 26 46 49 37 31 51 53 41 32 45 47 35 30 42 45
DEWPT 35 32 28 22 31 29 24 20 28 29 27 24 28 28 26 24 26 23
PWIND DIR S S S SE S S S S SW
WIND CHAR GN LT LT GN GN GN GN GN LT
AVG CLOUDS SC BK BK SC BK BK FW SC SC BK BK BK SC FW FW SC SC BK
POP 12HR 10 0 0 0 5 10 5 10 5
WYZ005-201100-
HOT SPRINGS COUNTY AIRPORT-HOT SPRINGS WY
43.71N 108.39W ELEV. 4902 FT
1046 PM MST FRI DEC 19 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 38 20 45 28
TEMP 30 27 24 20 33 37 30 23 21 21 23 23 38 44 39 34 33 32 33
DEWPT 26 22 18 15 15 13 15 12 10 10 12 15 22 26 29 27 28 27 28
RH 85 81 77 81 47 37 53 62 62 62 62 71 52 49 67 75 82 81 82
WIND DIR NW SE SW SW SW W SW SW SW S S S S S S S S S SW
WIND SPD 12 6 3 3 3 6 4 5 4 4 3 3 4 8 6 9 10 11 10
WIND GUST 14
CLOUDS BK SC FW FW CL CL CL FW SC BK BK BK BK SC SC SC SC SC SC
POP 12HR 60 5 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 S C C C
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 53 26 53 28 56 27 51 27 50
TEMP 48 46 33 27 46 46 34 32 49 50 39 32 46 44 34 31 46 43
DEWPT 34 30 26 22 31 31 24 21 27 29 25 22 26 28 26 23 25 23
PWIND DIR SW SW S S S SW SW SW SW
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC BK SC BK SC FW SC SC BK BK BK SC FW FW BK SC BK
POP 12HR 30 10 0 0 10 30 20 20 10
RAIN SHWRS C S C S S S S S
SNOWSHWRS S S S S S
WYZ010-201100-
BUFFALO-JOHNSON WY
44.38N 106.72W ELEV. 4968 FT
1046 PM MST FRI DEC 19 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 35 21 45 33
TEMP 27 27 23 20 31 34 26 22 23 23 26 29 39 44 38 36 39 39 39
DEWPT 22 18 13 11 14 13 11 9 8 8 9 14 22 27 27 26 27 27 26
RH 81 68 65 67 49 41 52 57 52 52 48 53 50 51 64 67 62 62 59
WIND DIR NW NW W W W W SW SW SW SW SW SW S SW SW SW SW SW SW
WIND SPD 20 11 5 8 5 5 6 9 9 8 6 6 3 3 6 11 13 16 13
WIND GUST 29 25 21
CLOUDS BK SC FW FW FW CL FW FW FW SC BK BK BK BK BK SC BK SC BK
POP 12HR 50 5 0 0 0
QPF 12HR 0.03 0 0 0 0
SNOW 12HR T 00-00 00-00 00-00 00-00
RAIN SHWRS
SNOWSHWRS C
WIND CHILL 13
MIN CHILL 9 16 10 18 12 13 20 28 30
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 53 35 58 33 52 31 49
TEMP 47 43 38 34 47 44 42 40 53 50 44 38 47 43 39 37 47 38
DEWPT 33 32 27 22 30 29 23 19 26 29 26 22 25 27 23 21 24 21
PWIND DIR SW SW SW SW SW SW SW SW W
WIND CHAR GN GN GN GN BZ BZ GN GN GN
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC OV BK BK SC SC BK BK BK
POP 12HR 0 0 0 0 0 5 5 5 5
WYZ012-201100-
RENDEZVOUS MOUNTAIN-TETON WY
43.59N 110.89W ELEV. 10318 FT
1046 PM MST FRI DEC 19 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 11 4 23 21
TEMP 20 9 9 2 6 10 5 5 9 12 17 15 17 20 22 22 23 24 24
DEWPT 18 9 3 2 4 6 3 4 8 12 16 15 17 20 22 22 23 24 23
RH 92100 76100 91 83 91 95 96100 96100100100100100100100 96
WIND DIR W W W W SW SW SW SW SW SW SW SW SW SW W SW SW W SW
WIND SPD 23 26 23 17 14 14 12 17 18 17 16 14 12 10 16 26 31 29 31
WIND GUST 41 40 36 27 25 26 21 24 25 24 25 24 20 20 28 46 50 54 54
CLOUDS BK SC SC SC FW FW FW SC BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 50 40 70 100 100
QPF 12HR 0.17 0.02 0.13 0.87 0.86
SNOW 12HR 3 T 2 12 9
SNOWSHWRS C C C C C C S S L L D D D D D D D D D
TSTMS
OBVIS BS BS BS
WIND CHILL 3-13-11-18-12 -7-12-14-10 -5 2 0 4 9 8 5 5 7 6
MIN CHILL 3 -14 -18 -12 -14 -8 0 5 4 5
WINTER STORM W 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 25 18 23 13 21 15 19
TEMP 21 19 21 20 22 19 19 20 20 19 18 15 17 18 20 18 17 12
DEWPT 21 19 21 18 22 18 13 12 20 19 16 13 16 18 18 14 15 11
PWIND DIR SW SW SW S S SW SW SW SW
WIND CHAR BZ BZ GN BZ BZ BZ GN BZ BZ
AVG CLOUDS OV OV OV OV OV OV BK BK 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 L L C S C C D D L L D D D D L
WYZ023-201100-
AFTON-LINCOLN WY
42.71N 110.94W ELEV. 6201 FT
1046 PM MST FRI DEC 19 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 33 23 41 33
TEMP 33 28 24 16 25 32 28 25 24 25 28 30 35 39 40 38 38 36 35
DEWPT 31 26 20 16 22 22 21 20 23 25 28 30 35 38 40 38 38 36 35
RH 92 92 84100 88 66 75 81 96100100100100 96100100100100100
WIND DIR SE E W SW W W S S SE S S S S SW S S S S S
WIND SPD 8 8 5 2 3 5 3 5 4 3 2 3 2 4 6 11 10 9 8
WIND GUST 14 9 12 14 10 13 19 24 23 20 21
CLOUDS OV OV OV BK SC SC SC SC OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 80 30 70 100 100
QPF 12HR 0.04 0.01 0.04 0.29 0.34
SNOW 12HR T T T 00-00 00-00
RAIN SHWRS L D D D D D D D D D
SNOWSHWRS L C C L C C C C L L S
WINTER WEATH Y 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 29 46 30 45 24 41 25 39
TEMP 38 39 34 30 39 40 33 31 38 39 32 26 35 38 32 27 32 33
DEWPT 38 37 33 30 35 32 25 25 35 34 31 26 33 34 30 27 31 28
PWIND DIR S 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 OV BK OV BK OV OV OV OV BK BK OV OV OV
POP 12HR 100 70 40 20 80 90 80 80 70
RAIN SHWRS D D L C C S S C D D L D D L
SNOWSHWRS S S S L L D S L L L
WYZ004-201100-
POWELL-PARK WY
44.87N 108.79W ELEV. 5092 FT
1046 PM MST FRI DEC 19 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 21 37 30
TEMP 28 27 23 21 29 34 28 23 23 23 23 25 31 36 32 32 33 32 33
DEWPT 16 15 11 9 11 12 11 10 10 10 10 11 14 19 20 22 23 23 25
RH 60 60 59 59 46 39 48 57 57 57 57 55 49 50 61 66 66 69 72
WIND DIR N N SW SW SW SW S S S SE SE SE SE SE SE SE SE SE SE
WIND SPD 23 10 6 6 8 9 8 10 10 10 9 9 8 10 9 10 10 10 10
WIND GUST 37
CLOUDS SC FW CL CL CL CL CL FW FW BK BK OV OV BK BK BK BK BK BK
POP 12HR 10 0 0 10 30
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S S C C C
SNOWSHWRS S S S
WIND CHILL 13 12 12 12
MIN CHILL 11 15 12 20 11 11 13 24 24 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 44 29 45 32 50 30 47 30 46
TEMP 41 38 34 30 40 39 37 35 45 44 39 34 41 41 36 34 42 39
DEWPT 31 30 24 21 29 29 24 22 25 26 24 22 23 24 22 22 23 23
PWIND DIR SE S SE SE SE S S S SW
WIND CHAR GN GN GN GN BZ BZ GN GN GN
AVG CLOUDS BK BK BK BK OV SC SC SC SC BK BK BK SC FW FW SC BK SC
POP 12HR 30 10 5 0 10 20 10 10 10
RAIN SHWRS C S S
SNOWSHWRS S S
WYZ004-201100-
COWLEY-BIG HORN WY
44.91N 108.45W ELEV. 4090 FT
1046 PM MST FRI DEC 19 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 39 30
TEMP 31 29 26 20 30 35 30 25 22 22 23 23 33 38 37 34 34 33 33
DEWPT 22 16 17 15 18 17 17 15 14 13 13 14 18 23 27 26 28 28 30
RH 69 58 68 81 60 47 58 65 71 68 65 68 53 54 67 72 78 82 89
WIND DIR N NW W S S S S SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 10 13 4 3 3 4 5 5 6 6 5 4 3 4 5 8 10 10 9
WIND GUST 20 23 11 12 12 19 18
CLOUDS SC CL CL FW CL FW CL FW FW SC BK OV OV BK OV OV BK BK BK
POP 12HR 10 0 0 5 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
SNOWSHWRS
WIND CHILL 18
MIN CHILL 21 17 15 24 14 14 16 24 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 46 29 48 32 53 29 49 29 48
TEMP 42 41 34 30 42 43 37 35 46 49 40 32 42 44 36 32 42 42
DEWPT 36 34 29 26 34 33 29 26 30 30 30 26 30 28 27 26 30 27
PWIND DIR S E SE S SE S S S SW
WIND CHAR LT LT LT LT GN GN GN GN LT
AVG CLOUDS BK SC BK BK OV SC SC SC SC BK BK BK SC FW SC SC SC SC
POP 12HR 20 10 0 0 5 10 10 10 10
RAIN SHWRS S S
WYZ016-201100-
DUBOIS-FREMONT WY
43.55N 109.69W ELEV. 7291 FT
1046 PM MST FRI DEC 19 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 31 21 42 36
TEMP 34 27 22 19 26 30 25 22 22 24 28 30 38 41 40 39 39 38 38
DEWPT 23 15 11 8 9 8 7 7 9 15 20 23 25 27 28 29 29 29 29
RH 64 60 62 61 48 39 46 52 57 68 71 75 59 57 62 67 67 70 70
WIND DIR W NW W W W W W W W W W W W W W W W W W
WIND SPD 25 25 19 19 21 24 18 17 16 13 12 11 11 13 13 16 17 17 20
WIND GUST 41 37 29 27 34 36 29 25 23 18 20 24 25 29 33 31 41
CLOUDS SC FW FW FW FW CL FW FW BK BK BK BK BK BK BK BK BK BK BK
POP 12HR 50 10 40 90 90
QPF 12HR 0.02 0 0.01 0.15 0.29
SNOW 12HR T 00-00 T 1 00-00
RAIN SHWRS D D D D D D
SNOWSHWRS C S C C L L D S S S
TSTMS
WIND CHILL 21 12 7 3 12 16 11 8 8 12 17
MIN CHILL 21 7 3 11 8 10 19 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 43 30 46 31 45 27 41 28 39
TEMP 41 39 34 31 43 40 34 33 43 39 34 29 37 36 33 31 36 33
DEWPT 29 26 24 23 27 23 18 19 26 25 21 18 21 21 23 20 19 16
PWIND DIR W W SW SW SW SW W SW W
WIND CHAR BZ GN GN GN BZ BZ GN BZ BZ
AVG CLOUDS BK BK OV BK BK BK SC SC BK BK OV BK BK BK BK BK BK BK
POP 12HR 90 60 30 10 60 70 50 60 50
RAIN SHWRS D L L C C S L L
SNOWSHWRS S L L C C C S L C C C L L C C
TSTMS S
WYZ027-201100-
KEMMERER-LINCOLN WY
41.83N 110.56W ELEV. 7285 FT
1046 PM MST FRI DEC 19 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 25 42 34
TEMP 35 33 29 25 31 34 31 27 26 28 31 31 38 41 40 39 38 37 37
DEWPT 33 29 26 24 25 25 23 22 24 26 29 30 34 35 36 35 34 32 33
RH 92 85 88 96 78 69 72 81 92 92 92 96 85 79 85 85 85 82 85
WIND DIR W NW W W W W W W W SW S SW SW W W SW SW SW SW
WIND SPD 27 17 16 12 13 13 5 3 2 2 3 4 9 13 13 14 16 14 13
WIND GUST 35 26 28 24 26 24 13 21 28 28 28 28 26 26
CLOUDS OV OV BK BK SC SC SC SC BK BK OV OV OV BK OV OV OV OV BK
POP 12HR 70 50 40 60 60
QPF 12HR 0.07 0.02 0.03 0.10 0.09
SNOW 12HR T T T 00-00 00-00
RAIN SHWRS L L L L L L L C C C
SNOWSHWRS L C C C S S C C S S
WIND CHILL 22 22 17 14
MIN CHILL 21 17 14 22 22 26 26 29 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 43 29 48 30 45 28 41 27 38
TEMP 41 40 35 30 42 42 33 32 41 39 34 31 37 36 33 30 34 32
DEWPT 35 34 30 25 30 27 22 20 29 30 29 28 31 30 28 26 28 25
PWIND DIR SW SW SW S SW SW SW SW W
WIND CHAR GN GN LT LT GN GN GN GN GN
AVG CLOUDS BK BK BK OV OV BK BK BK BK OV OV OV BK SC SC BK BK BK
POP 12HR 50 20 5 0 40 70 50 50 50
RAIN SHWRS C C S S C L L S C
SNOWSHWRS S S S L C C C C C C
WYZ023-201100-
ALPINE-LINCOLN WY
43.18N 111.04W ELEV. 5634 FT
1046 PM MST FRI DEC 19 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 26 42 38
TEMP 36 31 23 20 27 32 29 27 27 28 31 32 34 40 41 41 42 40 40
DEWPT 33 26 22 20 22 21 21 22 26 28 31 32 34 37 39 41 41 39 39
RH 89 81 96100 81 63 72 81 96100100100100 89 92100 96 96 96
WIND DIR W SW SW SW SW SW S S SE SE SE SE S S S S S S S
WIND SPD 13 11 9 4 6 6 3 4 4 3 3 3 3 3 4 9 9 8 8
WIND GUST 23 18 12 14 17 10 10 10 10 11 13 21 21 19 25
CLOUDS OV SC BK BK FW FW SC SC OV OV OV OV OV OV OV OV OV OV OV
POP 12HR 50 30 70 100 100
QPF 12HR 0.03 0.01 0.06 0.45 0.65
SNOW 12HR 00-00 T 1 T 00-00
RAIN SHWRS S D D D D D D D D D
SNOWSHWRS C S C C S S S S L L D D S
TSTMS
WINTER WEATH Y 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 34 45 34 44 28 41 30 40
TEMP 38 42 38 35 40 43 37 36 36 43 36 31 34 41 37 33 34 35
DEWPT 38 39 37 34 37 35 31 29 34 36 33 30 32 34 34 31 31 28
PWIND DIR S S S SE SE S S S SW
WIND CHAR LT LT LT LT GN GN LT GN LT
AVG CLOUDS OV OV OV OV OV OV BK OV OV OV OV OV OV OV BK OV OV OV
POP 12HR 100 80 50 20 80 90 70 80 70
RAIN SHWRS D D D L C C S C D D L L D L
SNOWSHWRS S S S L L L S S L L
WYZ023-201100-
COKEVILLE-LINCOLN WY
42.05N 110.97W ELEV. 6270 FT
1046 PM MST FRI DEC 19 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 36 24 42 33
TEMP 37 32 28 22 30 35 32 26 25 26 29 31 36 40 40 38 37 36 35
DEWPT 33 30 25 22 27 27 26 25 25 26 29 31 36 38 38 37 36 35 34
RH 85 92 88100 88 72 78 96100100100100100 92 92 96 96 96 96
WIND DIR W NW W W W W W SE SE SE SE S SW SW S S S S S
WIND SPD 14 13 10 6 4 3 2 2 2 2 2 4 4 4 5 8 9 8 6
WIND GUST 25 20 19 10 11 12 17 19 17 14
CLOUDS OV OV OV OV SC SC SC BK BK OV OV OV OV OV OV OV OV OV OV
POP 12HR 80 60 50 90 80
QPF 12HR 0.03 0.02 0.04 0.21 0.31
SNOW 12HR 00-00 T T 00-00 00-00
RAIN SHWRS D C D D D D D D L L L
SNOWSHWRS D C L C C C 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 42 29 47 28 44 26 41 26 39
TEMP 39 40 33 29 40 42 33 32 40 40 33 29 37 38 33 28 34 33
DEWPT 39 37 32 27 34 31 25 24 34 34 31 29 35 33 31 27 32 26
PWIND DIR SW S S SE S SW S SW W
WIND CHAR LT LT LT LT GN GN LT LT LT
AVG CLOUDS OV OV OV OV OV OV BK BK BK OV OV OV BK SC SC BK OV OV
POP 12HR 70 30 20 5 60 80 60 60 60
RAIN SHWRS L L C S S S L D L L L L L S
SNOWSHWRS S S L L L L L L C
WYZ028-201100-
GREEN RIVER-SWEETWATER WY
41.46N 109.49W ELEV. 7182 FT
1046 PM MST FRI DEC 19 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 49 36
TEMP 43 39 32 31 38 42 39 33 30 30 31 31 42 48 48 43 40 38 37
DEWPT 32 31 28 27 30 30 26 25 24 25 26 27 34 37 37 34 32 30 30
RH 65 73 85 85 73 62 59 72 78 81 81 85 73 65 65 70 73 73 75
WIND DIR W NW W W W W W SW S S SW S SW W W S S S S
WIND SPD 18 21 23 18 20 19 8 1 2 2 1 2 4 5 4 4 6 9 9
WIND GUST 32 33 31 27 31 31 14 13
CLOUDS BK OV OV OV SC SC SC SC SC BK BK BK BK OV OV OV BK BK BK
POP 12HR 50 30 10 30 20
QPF 12HR 0.04 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS S C C C C C S S S
SNOWSHWRS S C C C S S C
WIND CHILL 19 19
MIN CHILL 19 17 30 30 30 30 30
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 29 56 35 53 31 49 30 45
TEMP 48 48 38 31 48 50 42 38 50 48 40 34 43 44 38 33 41 39
DEWPT 37 37 31 23 31 25 20 19 28 32 30 27 36 33 30 26 32 29
PWIND DIR SW S S S S SW SW S W
WIND CHAR GN LT LT GN GN GN GN GN GN
AVG CLOUDS BK SC BK BK BK BK SC BK BK OV OV OV BK SC SC SC SC BK
POP 12HR 30 10 0 0 20 60 40 40 40
RAIN SHWRS S C S L C C C C C C S
SNOWSHWRS C C C C C C C
WYZ017-201100-
SHOSHONI-FREMONT WY
43.25N 108.12W ELEV. 4817 FT
1046 PM MST FRI DEC 19 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 43 22 48 33
TEMP 43 32 27 23 36 42 36 28 24 24 23 25 40 47 43 37 37 36 35
DEWPT 29 22 19 18 18 13 11 12 12 13 16 20 26 29 31 32 32 31 30
RH 57 66 71 81 47 30 35 50 60 62 74 81 57 49 62 82 82 82 82
WIND DIR N SE NE SW W W W SW S SE SE SE S SW S S S S S
WIND SPD 16 12 4 2 6 12 4 3 3 3 4 2 2 4 5 8 14 21 21
WIND GUST 28 19 23 12 23 29 28
CLOUDS BK FW FW FW CL CL CL FW SC BK BK BK SC SC SC SC BK SC SC
POP 12HR 50 5 5 20 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00 00-00 00-00
RAIN SHWRS C S S S S S S S
SNOWSHWRS C S
WIND CHILL 25 23
MIN CHILL 21 23 20 17 18 28 23
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 30 57 35 59 31 53 30 52
TEMP 49 49 37 31 48 51 40 37 53 53 43 34 45 47 38 34 45 46
DEWPT 37 34 30 26 33 30 24 21 27 30 30 26 30 30 29 27 30 25
PWIND DIR S S S S S SW SW S SW
WIND CHAR BZ GN GN GN BZ BZ GN GN GN
AVG CLOUDS BK BK BK BK BK BK SC SC SC BK BK BK SC FW SC BK BK BK
POP 12HR 20 5 0 0 10 30 20 20 20
RAIN SHWRS S C S S S S S S
SNOWSHWRS S S S S S
WYZ005-201100-
THERMOPOLIS-HOT SPRINGS WY
43.66N 108.21W ELEV. 4592 FT
1046 PM MST FRI DEC 19 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 40 21 48 31
TEMP 34 28 24 20 34 39 33 25 22 23 23 23 39 47 42 36 36 35 35
DEWPT 27 23 19 16 16 14 15 12 11 10 13 16 23 28 30 28 29 29 29
RH 75 81 81 84 47 35 47 57 62 57 65 74 52 47 62 72 75 78 78
WIND DIR NW SE SW SW SW W SW S S S S S S S S S S S S
WIND SPD 10 6 2 2 4 6 4 6 5 6 4 4 5 9 9 13 16 16 13
WIND GUST 17 13
CLOUDS OV SC FW FW CL CL CL FW SC BK BK BK BK SC SC SC SC SC SC
POP 12HR 70 5 0 20 20
QPF 12HR 0.01 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 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 54 28 55 31 58 29 53 28 53
TEMP 48 48 35 29 47 49 37 33 51 53 41 33 46 47 36 32 46 46
DEWPT 35 32 29 24 33 31 26 21 29 31 28 24 28 28 28 25 26 24
PWIND DIR S S S S S S S S SW
WIND CHAR BZ GN GN GN BZ BZ GN GN GN
AVG CLOUDS SC SC SC BK BK BK FW SC SC BK BK BK SC FW FW BK SC SC
POP 12HR 20 5 0 0 10 30 20 20 10
RAIN SHWRS S S C S S S S S
SNOWSHWRS S 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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