066
FOUS55 KCYS 171852
PFMCYS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHEYENNE WY
1251 PM MDT SUN MAY 17 2026
NEZ003-172200-
ALLIANCE-BOXBUTTE NE
42.05N 102.80W ELEV. 3960 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 69 32 43 27 59
TEMP 67 61 52 46 42 37 40 40 41 38 37 35 32 28 41 51 57 58
DEWPT 39 39 37 36 37 37 36 34 34 33 32 32 31 28 30 26 24 22
RH 36 44 56 68 82100 85 79 76 82 82 89 96100 65 37 28 25
WIND DIR N N N N N N NE NE N N N NW NW NW NW NW NW NW
WIND SPD 20 17 14 16 16 18 18 20 20 19 13 8 8 6 10 10 9 6
WIND GUST 31 28 31 31 29
CLOUDS B1 B2 B1 B2 B2 OV OV OV OV OV B2 B2 SC SC SC FW SC SC
POP 12HR 20 60 100 20 0
QPF 12HR 0.02 0.03 0.24 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C L L D D D S
TSTMS S S
WIND CHILL 39 34 27 31 30 32 28 28 28 25 21 35
MIN CHILL 39 27 24 28 27 21 25
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 31 63 36 69 37 75 39 81
TEMP 40 33 57 60 45 40 65 64 47 41 68 71 50 43 74 78
DEWPT 27 31 35 36 37 37 36 36 38 37 35 36 39 38 36 36
PWIND DIR S S S SW SE SW NW SW
WIND CHAR LT BZ GN GN GN GN GN GN
AVG CLOUDS FW SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW
POP 12HR 0 30 5 40 20 30 20 10
RAIN SHWRS C C C S S C S
TSTMS S S S S S
WYZ110-172200-
ARLINGTON-CARBON WY
41.59N 106.21W ELEV. 7707 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 55 28 32 19 37
TEMP 53 45 38 37 36 33 28 28 30 28 26 24 22 20 27 32 35 36
DEWPT 29 37 35 33 33 31 28 28 28 27 24 22 19 16 24 27 27 26
RH 39 73 89 85 89 92100100 92 96 92 92 88 84 88 81 72 67
WIND DIR NE E E E E E E E NE N N W W SW NW N N NW
WIND SPD 9 12 17 19 23 26 23 20 14 11 8 4 4 4 5 8 8 4
WIND GUST 34 39 34
CLOUDS OV B2 OV OV OV OV OV OV OV OV OV B1 B1 SC SC SC SC SC
POP 12HR 80 100 100 70 20
QPF 12HR 0.10 0.94 0.76 0.04 0
SNOW 12HR 00-00 3 10
RAIN SHWRS D D D S
SNOWSHWRS D D D D D D D L L C C S S
TSTMS C S S S S S S S
OBVIS BS BS BS BS
WIND CHILL 39 29 27 24 20 14 15 19 18 18 18 16 13 20 25 28
MIN CHILL 39 27 20 14 17 16 13 17 26
FREEZE A A A A A
WINTER STORM W W W W W W W W
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 22 46 29 52 34 58 39 64
TEMP 26 23 41 45 34 34 48 49 40 39 53 56 45 44 61 62
DEWPT 20 16 27 28 22 21 30 32 27 26 30 32 29 29 30 32
PWIND DIR SW W SW W SW W SW W
WIND CHAR LT LT GN GN GN BZ GN BZ
AVG CLOUDS SC FW FW FW FW SC SC FW SC SC SC SC SC FW FW FW
POP 12HR 5 0 0 30 10 20 10 5
RAIN SHWRS C S
TSTMS S S
WYZ106-172200-
BORDEAUX-PLATTE WY
41.95N 104.95W ELEV. 4862 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 63 34 38 28 50
TEMP 62 57 50 47 44 40 34 34 36 33 34 34 32 29 36 44 48 49
DEWPT 32 34 38 39 38 36 34 34 34 32 31 30 29 27 30 30 30 28
RH 32 42 63 74 79 85100100 92 96 89 85 88 92 79 57 49 44
WIND DIR N NE N N NE NE N N N N NW NW W W W W W SW
WIND SPD 14 10 10 12 14 16 16 18 17 16 11 8 6 8 6 5 5 6
CLOUDS B1 OV OV OV OV OV OV OV OV OV B2 SC SC FW SC SC SC SC
POP 12HR 70 100 100 40 5
QPF 12HR 0.09 0.64 0.57 0.01 0
SNOW 12HR 00-00 00-00 T
RAIN SHWRS L D D D D D D S D C S
SNOWSHWRS D D D D C S
TSTMS S
WIND CHILL 37 32 24 23 26 22 26 27 26 21 30
MIN CHILL 32 23 22 22 21 25
FREEZE A A A A
WINTER WEATH Y Y Y Y Y Y
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 33 62 39 64 43 70 45 76
TEMP 39 34 57 60 47 42 60 62 50 46 65 69 55 49 71 74
DEWPT 29 29 30 26 30 30 33 33 34 33 33 33 36 34 33 33
PWIND DIR SW SW SW NW W W SW W
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC SC FW FW SC SC SC SC SC B1 SC SC FW FW FW
POP 12HR 5 5 0 30 20 20 5 10
RAIN SHWRS C S S
TSTMS C S
NEZ021-172200-
BRIDGEPORT-MORRILL NE
41.66N 103.10W ELEV. 3666 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 70 36 44 29 59
TEMP 69 64 54 48 45 40 41 41 42 40 39 37 34 30 40 52 57 58
DEWPT 38 40 39 38 39 38 39 38 36 35 33 32 32 30 32 29 27 25
RH 32 41 57 68 79 92 92 89 79 82 79 82 92100 73 41 31 28
WIND DIR N N N N NE NE NE NE N N N NW NW NW NW NW NW NW
WIND SPD 17 14 12 12 12 13 16 18 18 19 13 6 5 5 6 6 5 4
WIND GUST 28
CLOUDS B1 B2 B1 B2 B2 OV OV OV OV OV B1 B1 SC SC FW FW SC SC
POP 12HR 40 70 90 20 0
QPF 12HR 0.03 0.06 0.23 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C C L L D D D S
TSTMS S
WIND CHILL 39 32 33 32 33 31 31 24
MIN CHILL 32 28 31 30 24 28
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 34 63 38 69 39 75 42 81
TEMP 42 36 58 62 47 40 65 66 48 42 69 73 52 44 75 78
DEWPT 29 34 38 38 38 39 39 37 39 39 38 37 39 39 38 37
PWIND DIR S S S W SE SW NW SW
WIND CHAR LT GN GN LT LT GN LT LT
AVG CLOUDS SC B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW
POP 12HR 5 30 10 40 20 30 10 10
RAIN SHWRS C C C S C
TSTMS C S S S
NEZ002-172200-
CHADRON-DAWES NE
42.84N 103.10W ELEV. 3369 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 67 35 44 31 61
TEMP 65 62 53 48 44 40 40 41 43 41 40 37 35 32 42 53 59 60
DEWPT 40 35 35 35 36 37 37 35 34 33 34 34 32 31 32 28 25 22
RH 40 36 50 60 73 89 89 79 70 73 79 89 89 96 67 38 27 23
WIND DIR N NE NE N NE N N N N N N W W W NW NW W W
WIND SPD 17 16 10 12 12 14 16 19 19 14 8 4 5 6 9 9 9 6
WIND GUST 19 19
CLOUDS B2 B2 B2 B1 OV OV OV OV OV OV B2 B1 FW SC SC SC SC FW
POP 12HR 20 70 100 40 0
QPF 12HR 0.01 0.03 0.27 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L D D D D C S
TSTMS
WIND CHILL 38 32 32 32 35 33 34 25 36
MIN CHILL 31 27 32 32 24 29
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 33 69 40 71 41 77 43 83
TEMP 41 35 63 66 49 43 66 68 49 44 71 75 52 45 75 81
DEWPT 28 30 35 33 37 37 36 35 38 37 36 35 39 38 38 35
PWIND DIR S S S NW SW W SE SW
WIND CHAR LT BZ BZ LT GN GN LT LT
AVG CLOUDS FW FW SC SC SC FW SC SC SC SC SC SC SC SC SC FW
POP 12HR 0 20 5 30 20 30 20 10
RAIN SHWRS S C S C S
TSTMS S S S S
WYZ118-172200-
CHEYENNE-LARAMIE WY
41.14N 104.79W ELEV. 6067 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 62 32 36 26 46
TEMP 59 52 45 43 39 35 32 32 34 32 31 30 28 26 32 40 44 45
DEWPT 31 36 38 37 36 35 32 32 30 29 27 26 26 25 26 26 26 27
RH 34 54 76 79 89100100100 85 88 85 85 92 96 78 57 49 49
WIND DIR NE NE NE NE NE NE NE NE N N N N NW NW NW NW NE S
WIND SPD 9 11 12 13 16 16 16 19 20 18 13 11 9 5 3 3 1 4
WIND GUST 29
CLOUDS B2 OV B2 OV OV OV OV OV OV OV B2 B1 SC FW SC SC B1 B1
POP 12HR 80 100 100 30 10
QPF 12HR 0.14 0.48 0.48 0.01 0
SNOW 12HR 00-00 00-00 2
RAIN SHWRS D D D D D D S S S
SNOWSHWRS D D D L C S
TSTMS C S S S
WIND CHILL 39 36 30 25 21 20 22 20 21 20 19 19
MIN CHILL 36 25 20 20 18 19 23
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 32 57 34 62 36 67 39 72
TEMP 37 33 51 54 43 39 58 58 45 40 62 64 49 43 69 70
DEWPT 30 33 32 30 33 32 30 32 32 32 30 32 33 33 31 33
PWIND DIR S SW SW NW W W W W
WIND CHAR LT GN LT LT LT GN LT LT
AVG CLOUDS B2 B1 B1 SC B1 B1 B1 SC SC SC SC SC B1 SC FW FW
POP 12HR 20 30 10 50 30 30 5 10
RAIN SHWRS S S C C C C
TSTMS C C C
WYZ101-172200-
DOUGLAS-CONVERSE WY
42.80N 105.39W ELEV. 4830 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 61 28 37 24 52
TEMP 59 55 47 42 37 32 32 34 36 35 34 32 27 25 35 45 50 51
DEWPT 30 28 31 33 34 32 32 31 31 30 30 29 27 25 30 29 27 24
RH 33 35 53 70 89100100 89 82 82 85 88100100 82 53 41 34
WIND DIR N N N N N N N N N N NW W W W W W W W
WIND SPD 14 16 16 17 17 17 18 19 17 13 10 6 4 3 4 6 9 8
CLOUDS SC OV OV OV OV OV OV OV OV OV OV B2 SC SC FW FW FW FW
POP 12HR 20 100 100 30 0
QPF 12HR 0.02 0.31 0.36 0.01 0
SNOW 12HR 00-00 00-00 2
RAIN SHWRS S L L L D S S L C
SNOWSHWRS S D D D L C
WIND CHILL 34 27 21 20 23 26 26 26 26
MIN CHILL 34 21 17 24 25 21 23
FREEZE A A A A
WINTER WEATH Y Y Y Y Y Y
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 25 64 32 64 34 70 36 77
TEMP 33 26 57 61 41 35 58 62 44 38 64 69 47 39 70 74
DEWPT 25 23 29 26 29 29 34 33 34 33 33 32 36 35 34 31
PWIND DIR SW W W NW SW W SE W
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS FW FW FW FW FW SC B1 SC SC SC B1 SC SC FW SC FW
POP 12HR 0 5 0 30 10 10 5 5
RAIN SHWRS C
TSTMS S
WYZ119-172200-
GUN BARREL-LARAMIE WY
41.43N 104.35W ELEV. 5597 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 62 31 36 25 49
TEMP 60 56 47 44 41 36 32 34 35 33 32 31 28 26 33 42 47 48
DEWPT 32 33 38 39 38 36 32 34 33 32 30 30 28 26 29 28 27 25
RH 35 42 71 82 89100100100 92 96 92 96100100 85 57 45 40
WIND DIR N NE N NE NE NE NE N N N N NW NW NW NW NW NW NW
WIND SPD 13 10 11 14 17 17 16 19 19 18 14 12 10 9 8 6 5 4
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 SC FW SC SC SC SC
POP 12HR 70 100 100 40 5
QPF 12HR 0.06 0.36 0.56 0.02 0
SNOW 12HR 00-00 00-00 1
RAIN SHWRS L D L D D D D S S C C
SNOWSHWRS S D D D C C
TSTMS S S S
WIND CHILL 37 32 26 21 23 24 22 22 21 19 17 26
MIN CHILL 37 26 21 21 20 17 20
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 32 59 37 63 39 69 42 74
TEMP 37 37 53 56 44 41 59 59 46 42 63 66 50 45 69 71
DEWPT 30 34 34 29 35 35 32 32 35 34 32 32 35 35 33 34
PWIND DIR SW SW SW NW W W W W
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW FW
POP 12HR 10 20 10 40 30 30 10 20
RAIN SHWRS S C C C S
TSTMS S C S S
NEZ054-172200-
KIMBALL-KIMBALL NE
41.19N 103.68W ELEV. 4717 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 67 33 40 27 54
TEMP 66 61 51 46 43 38 38 37 38 37 35 34 31 28 38 47 52 53
DEWPT 33 35 40 39 39 37 37 36 35 33 31 30 30 28 30 28 27 25
RH 29 38 66 76 86 96 96 96 89 85 85 85 96100 73 47 38 33
WIND DIR N N N NE NE NE NE NE N N N N NW NW NW NW NW N
WIND SPD 16 12 12 13 14 14 17 19 20 19 14 11 10 8 8 6 5 4
WIND GUST 27 23 25 25 28 32 34 33 27
CLOUDS B2 B2 B2 B2 OV OV OV OV OV OV B2 B1 SC FW FW FW SC SC
POP 12HR 60 90 100 20 0
QPF 12HR 0.08 0.16 0.34 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L D C L D D D D D S
SNOWSHWRS S D S
TSTMS S S S S
WIND CHILL 35 29 29 27 28 26 25 26 23 20 32
MIN CHILL 36 26 22 23 22 18 20
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 34 60 37 66 38 72 41 78
TEMP 41 36 55 58 45 41 62 63 47 43 66 69 51 45 73 75
DEWPT 30 35 37 35 38 39 36 35 37 37 35 34 37 37 36 35
PWIND DIR SW S S W W SW NW SW
WIND CHAR LT GN GN GN GN GN GN GN
AVG CLOUDS B1 B2 B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW
POP 12HR 20 40 20 40 30 30 10 10
RAIN SHWRS S S C S C C S C
TSTMS C S S S S
WYZ115-172200-
LARAMIE-ALBANY WY
41.31N 105.68W ELEV. 7163 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 57 28 35 20 40
TEMP 56 47 40 38 36 33 31 31 34 29 28 26 24 21 27 36 39 37
DEWPT 29 37 37 35 34 33 30 28 27 27 25 25 24 21 25 26 27 28
RH 35 68 89 89 92100 96 88 75 92 88 96100100 92 67 62 70
WIND DIR NE E E E E E E NE NE N N NW NW W W N N N
WIND SPD 11 13 14 17 18 18 19 21 18 13 10 4 4 2 2 5 6 5
WIND GUST 28 29 29 33
CLOUDS B2 B2 OV OV OV OV OV OV OV OV B2 B2 B1 B2 B1 SC B1 B1
POP 12HR 90 100 100 50 20
QPF 12HR 0.12 0.62 0.34 0.01 0
SNOW 12HR 00-00 T 4
RAIN SHWRS D D D D D
SNOWSHWRS S D D D D L C C S S S S
TSTMS C S S S
WIND CHILL 32 29 26 22 18 18 23 18 19 20
MIN CHILL 29 21 16 18 17 16 23 32
FREEZE A A A A
WINTER WEATH Y Y Y Y Y Y
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 24 52 29 57 32 62 35 68
TEMP 30 25 47 49 36 31 54 53 40 35 58 59 44 38 64 65
DEWPT 27 25 28 28 28 26 28 32 31 29 29 32 32 31 29 32
PWIND DIR S W SW W S W SW W
WIND CHAR LT LT LT LT LT GN GN GN
AVG CLOUDS B1 B1 SC SC SC SC SC SC SC SC B1 SC B1 FW FW FW
POP 12HR 10 5 5 30 20 20 5 10
RAIN SHWRS C S S
TSTMS C S
WYZ102-172200-
LUSK-NIOBRARA WY
42.76N 104.45W ELEV. 5034 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 58 28 35 24 51
TEMP 57 55 46 42 38 32 31 33 34 33 32 30 27 25 35 43 49 50
DEWPT 32 30 32 33 34 32 31 33 33 32 31 30 27 25 30 28 26 24
RH 38 38 58 70 85100100100 96 96 96100100100 82 55 40 36
WIND DIR N N N N N N N N N N NW NW NW NW NW NW W W
WIND SPD 18 16 13 12 12 13 16 17 17 16 13 6 5 5 8 9 8 6
WIND GUST 28 27
CLOUDS SC B2 B2 B2 OV OV OV OV OV OV OV B1 SC FW FW FW FW FW
POP 12HR 20 100 100 30 0
QPF 12HR 0 0.25 0.41 0.01 0
SNOW 12HR 00-00 00-00 2
RAIN SHWRS S C C C D D S S S S
SNOWSHWRS D D D D C
WIND CHILL 35 30 22 20 22 24 23 22 23 20 18 28
MIN CHILL 34 22 18 22 21 17 22
FREEZE W W A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 29 61 35 62 36 68 39 73
TEMP 35 30 56 59 42 37 58 60 44 39 62 66 46 41 68 71
DEWPT 25 27 31 27 31 31 35 33 34 32 34 33 36 34 35 33
PWIND DIR SW SW SW NW SW W SW SW
WIND CHAR LT GN LT LT LT GN LT LT
AVG CLOUDS FW FW FW FW SC SC SC SC SC SC SC SC SC FW SC FW
POP 12HR 0 5 5 30 20 20 10 10
RAIN SHWRS C S S
TSTMS S S
WYZ116-172200-
PUMPKIN VINE-ALBANY WY
41.05N 105.46W ELEV. 7999 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 54 27 32 19 38
TEMP 51 43 37 36 35 32 28 28 30 28 25 23 22 20 25 31 34 36
DEWPT 35 38 37 35 33 32 28 28 28 27 25 23 22 20 25 27 28 30
RH 54 82100 96 92100100100 92 96100100100100100 85 78 79
WIND DIR E E E E E E E E NE N N NW NW NW W E E SE
WIND SPD 11 12 13 17 20 20 20 23 18 14 12 4 4 2 2 5 5 4
WIND GUST 31 34
CLOUDS B2 B2 OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC B1 B2
POP 12HR 90 100 100 50 50
QPF 12HR 0.19 0.61 0.47 0.01 0.01
SNOW 12HR 00-00 1 5
RAIN SHWRS D D D D
SNOWSHWRS S D D D D D L C C S S C C C
TSTMS C S S S S
WIND CHILL 36 28 26 24 20 15 14 18 16 14 17 16 25
MIN CHILL 36 26 20 14 16 13 16 23 26
FREEZE A A A A
WINTER STORM W W W W W W W W
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 25 49 30 55 32 60 36 65
TEMP 29 26 42 45 35 33 50 50 38 36 54 56 43 40 60 61
DEWPT 27 26 29 30 28 25 28 32 30 28 29 32 31 29 29 32
PWIND DIR S W SW NW SW W SW W
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS B2 B1 B1 SC B1 SC SC SC SC SC SC SC B1 SC FW FW
POP 12HR 30 30 10 30 20 20 5 10
RAIN SHWRS C C S S
SNOWSHWRS C S
TSTMS C C S
WYZ109-172200-
RAWLINS-CARBON WY
41.80N 107.20W ELEV. 6769 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 59 27 33 18 37
TEMP 57 49 40 38 35 32 28 29 31 29 27 24 22 20 24 31 34 36
DEWPT 22 30 34 34 33 30 28 27 27 27 25 22 20 20 24 28 28 28
RH 25 48 79 85 92 92100 92 85 92 92 92 92100100 88 78 72
WIND DIR NW NE NE NE NE NE NE NE NE N N NW NW W S NW NW SW
WIND SPD 6 13 20 23 25 29 31 27 21 16 9 3 2 1 0 1 2 2
WIND GUST 32 35 39 46 46 40 32
CLOUDS OV B2 OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC FW
POP 12HR 60 100 100 40 5
QPF 12HR 0.04 0.71 0.68 0.02 0
SNOW 12HR 00-00 1 9
RAIN SHWRS L D D D S
SNOWSHWRS D D D D D L C C
TSTMS S S S
OBVIS BS BS BS BS
WIND CHILL 31 27 23 18 12 14 18 17 18
MIN CHILL 26 18 11 14 14 20 18 29
FREEZE A A A A A
WINTER STORM W W W W W W
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 19 49 29 57 34 63 38 69
TEMP 23 21 41 48 36 32 50 53 42 37 56 60 46 40 63 67
DEWPT 18 16 29 28 22 23 32 30 29 27 32 31 31 29 32 31
PWIND DIR S SW SW W SW W SW SW
WIND CHAR LT LT LT LT LT GN LT GN
AVG CLOUDS FW FW FW FW FW SC SC FW SC SC B1 SC SC SC FW FW
POP 12HR 0 0 0 20 10 10 5 5
RAIN SHWRS S
TSTMS S
NEZ019-172200-
SCOTTSBLUFF-SCOTTS BLUFF NE
41.87N 103.60W ELEV. 3883 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 69 36 43 30 58
TEMP 67 63 54 49 46 40 37 39 41 39 39 38 34 31 41 51 56 57
DEWPT 34 36 39 37 37 37 37 36 35 34 32 32 31 29 31 28 25 23
RH 29 36 57 63 71 89100 89 79 82 76 79 89 92 67 41 30 27
WIND DIR N N NE NE NE NE NE NE N N N NW NW NW NW NW W W
WIND SPD 16 14 13 11 14 16 17 18 18 17 12 6 6 5 6 5 5 5
WIND GUST 28
CLOUDS B1 B2 B2 B2 OV OV OV OV OV OV B2 B1 SC FW FW FW SC SC
POP 12HR 40 90 100 10 0
QPF 12HR 0.02 0.12 0.24 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C D D D D D
TSTMS
WIND CHILL 32 27 30 32 30 31 28 25
MIN CHILL 32 27 30 29 25 27
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 35 65 39 70 41 75 43 81
TEMP 42 36 59 62 48 41 65 66 49 43 69 73 53 45 75 79
DEWPT 28 32 36 34 38 37 36 36 38 37 35 35 39 37 36 36
PWIND DIR SW S S W SE SW NW SW
WIND CHAR LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 SC SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 5 30 5 40 20 20 10 10
RAIN SHWRS S C C S S
TSTMS C S S S
WYZ107-172200-
SIBLEY PEAK-PLATTE WY
42.44N 105.03W ELEV. 4731 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 60 32 36 28 51
TEMP 59 57 51 47 42 36 33 33 35 34 35 35 32 29 37 45 49 51
DEWPT 31 30 34 35 37 35 33 33 33 32 31 30 28 26 30 28 27 25
RH 34 35 52 63 82 96100100 92 92 85 82 85 88 75 51 42 36
WIND DIR N N N N N N N N N N NW NW NW W NW NW NW W
WIND SPD 16 13 12 14 14 14 17 18 19 17 12 6 4 2 2 4 4 4
WIND GUST 28
CLOUDS SC OV OV OV OV OV OV OV OV OV B2 B2 SC FW FW FW SC FW
POP 12HR 40 100 100 30 0
QPF 12HR 0.02 0.53 0.50 0.01 0
SNOW 12HR 00-00 00-00 1
RAIN SHWRS C L L D D D S S D S
SNOWSHWRS D D D D C
WIND CHILL 34 27 22 22 24 23 26 29
MIN CHILL 27 22 21 24 26 32
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 30 63 36 64 39 71 41 77
TEMP 37 31 57 61 46 39 59 62 49 43 64 69 52 44 70 75
DEWPT 28 26 29 26 30 30 34 34 34 33 33 33 36 35 34 33
PWIND DIR SW SW W NW SW W W SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC SC SC SC SC SC B1 SC SC FW SC FW
POP 12HR 0 5 0 30 20 20 5 10
RAIN SHWRS C S S
TSTMS C S
NEZ055-172200-
SIDNEY-CHEYENNE NE
41.10N 102.99W ELEV. 4090 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 71 36 43 28 57
TEMP 70 64 53 48 44 40 43 41 42 40 36 35 33 29 40 50 55 57
DEWPT 36 38 41 38 39 38 38 37 36 34 32 31 31 29 31 28 27 25
RH 29 38 64 68 82 92 82 85 79 79 85 85 92100 70 42 34 29
WIND DIR N N N N NE NE NE NE N N N N NW NW NW NW NW NW
WIND SPD 18 16 16 16 13 16 17 20 20 21 18 11 9 8 10 8 5 4
WIND GUST 31 33
CLOUDS SC B2 B1 B2 B2 OV OV OV OV OV B1 B1 SC FW FW FW SC SC
POP 12HR 60 80 100 20 0
QPF 12HR 0.06 0.06 0.20 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L D C L L L D L D S
TSTMS S S S
WIND CHILL 37 32 35 32 33 30 26 27 25 21 33
MIN CHILL 32 28 30 26 21 25
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 36 60 37 67 39 74 41 80
TEMP 43 38 55 59 46 40 63 64 48 43 68 70 52 44 74 77
DEWPT 29 35 38 37 37 39 39 36 38 39 38 37 39 39 38 36
PWIND DIR SW S S SW SW SW NW SW
WIND CHAR LT BZ GN GN GN GN LT GN
AVG CLOUDS B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 20 30 20 40 20 30 20 10
RAIN SHWRS S C C S C S S C S
TSTMS C S C S S S
WYZ113-172200-
SKYLINE-CARBON WY
41.13N 106.57W ELEV. 8041 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 55 31 37 20 41
TEMP 53 48 40 39 37 35 34 33 35 31 28 26 23 21 29 36 39 40
DEWPT 30 34 35 34 33 33 31 30 30 27 25 24 23 21 25 27 29 27
RH 41 58 82 82 85 92 89 89 82 85 88 92100100 85 69 67 59
WIND DIR SW NW NE E E E E E NE N NW NW N N N NW NW NW
WIND SPD 9 5 5 12 16 17 18 14 11 6 4 1 0 0 0 6 10 8
WIND GUST 28
CLOUDS OV B2 OV OV OV B2 OV OV OV OV OV B2 B2 B1 SC B1 B1 B1
POP 12HR 80 100 100 70 30
QPF 12HR 0.05 0.39 0.47 0.05 0
SNOW 12HR 00-00 00-00 3
RAIN SHWRS D L D D D D
SNOWSHWRS D D D D D L C S S S S C C
TSTMS C S S S S C S S S
WIND CHILL 31 28 25 23 23 27 24 30 32
MIN CHILL 31 25 20 23 23 21 24 30
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 21 51 27 57 31 61 34 67
TEMP 28 22 46 49 33 29 51 53 38 33 55 58 41 35 62 65
DEWPT 24 21 25 25 24 23 28 29 29 27 29 29 30 29 29 29
PWIND DIR SE W SW W S W S W
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS SC SC FW SC FW FW SC SC SC SC SC SC SC FW FW SC
POP 12HR 5 5 0 20 10 20 5 5
RAIN SHWRS S S
TSTMS S S
WYZ108-172200-
TORRINGTON-GOSHEN WY
42.06N 104.15W ELEV. 4105 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 67 36 42 30 58
TEMP 66 63 55 49 45 40 39 39 41 40 39 38 33 31 41 50 56 57
DEWPT 31 30 35 35 36 36 36 34 34 32 30 30 28 28 29 26 24 21
RH 27 29 47 58 70 85 89 82 76 73 70 73 82 88 62 39 29 24
WIND DIR N NE NE NE NE NE NE NE N N NW NW NW NW NW W W W
WIND SPD 16 13 12 12 14 14 14 17 16 16 11 9 8 5 6 6 6 8
CLOUDS B1 B2 B2 OV OV OV OV OV OV OV B2 SC SC FW FW FW FW SC
POP 12HR 50 90 100 30 0
QPF 12HR 0.01 0.20 0.36 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C C D D D D L C
SNOWSHWRS S
TSTMS
WIND CHILL 38 32 31 30 33 32 32 32 26 25
MIN CHILL 32 28 31 31 25 28
FREEZE A A A A
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 34 66 39 70 41 76 43 82
TEMP 41 35 61 64 47 40 65 67 49 44 70 74 53 45 75 80
DEWPT 27 30 31 25 34 33 32 32 36 34 32 31 38 36 33 32
PWIND DIR SW S S NW SE W E SW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC FW SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 0 10 5 30 20 20 10 5
RAIN SHWRS C S S
TSTMS S S
WYZ116-172200-
VEDAUWOO-ALBANY WY
41.15N 105.40W ELEV. 8160 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 53 27 31 19 37
TEMP 50 42 36 35 34 31 28 27 29 26 23 22 21 20 26 32 36 34
DEWPT 32 36 36 33 32 31 28 27 27 25 23 22 21 20 23 25 26 27
RH 50 79100 92 92100100100 92 96100100100100 88 75 67 75
WIND DIR E E E E E E E NE NE N N NW NW W W E E SE
WIND SPD 11 13 16 18 21 23 21 24 19 17 13 6 5 4 4 4 4 3
WIND GUST 32 34 33 35 29
CLOUDS B2 OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 B1 B2
POP 12HR 90 100 100 40 30
QPF 12HR 0.17 0.63 0.49 0.01 0
SNOW 12HR 00-00 2 6
RAIN SHWRS D D D D
SNOWSHWRS S D D D D D L C C S S C C S
TSTMS C S S S
WIND CHILL 35 26 24 22 18 14 12 16 13 11 14 13 13 20
MIN CHILL 35 24 18 12 13 11 13 16 30
FREEZE A A A A
WINTER STORM W W W W W W W W
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 25 48 30 53 32 58 36 63
TEMP 26 30 42 44 35 33 49 49 38 36 53 55 42 39 59 60
DEWPT 26 28 27 28 27 24 27 30 29 27 27 30 30 29 28 31
PWIND DIR S W SW W SW W SW W
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS B2 B1 B1 SC SC SC SC SC SC SC SC SC B1 FW FW FW
POP 12HR 20 30 5 30 20 20 5 10
RAIN SHWRS C C S S
SNOWSHWRS S C
TSTMS S C S
WYZ117-172200-
WHITAKER-LARAMIE WY
41.41N 104.87W ELEV. 6201 FT
1251 PM MDT SUN MAY 17 2026
DATE SUN 05/17/26 MON 05/18/26 TUE 05/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 59 29 34 23 45
TEMP 57 50 43 42 38 35 30 31 33 30 29 29 26 24 31 39 44 43
DEWPT 31 36 38 38 37 35 30 31 31 29 28 27 26 24 28 27 27 27
RH 37 58 82 86 96100100100 92 96 96 92100100 88 62 51 53
WIND DIR N NE NE NE NE NE NE NE N N N NW NW W NW NW NW SW
WIND SPD 11 10 11 14 17 17 17 20 19 18 14 11 9 8 5 5 4 5
WIND GUST 31 29
CLOUDS B2 OV OV OV OV OV OV OV OV OV OV B1 SC FW SC SC SC B1
POP 12HR 90 100 100 40 10
QPF 12HR 0.15 0.62 0.59 0.01 0
SNOW 12HR 00-00 00-00 4
RAIN SHWRS D D D D D S
SNOWSHWRS S D D D D C S
TSTMS S S S S
WIND CHILL 37 34 29 25 18 18 21 18 18 19 17 15 25
MIN CHILL 34 25 18 18 17 15 18 37
FREEZE A A A A
WINTER WEATH Y Y Y Y Y Y
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26 SAT 05/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 30 56 35 61 37 66 40 72
TEMP 34 35 50 53 42 39 56 57 45 42 61 63 49 44 67 69
DEWPT 29 32 30 29 32 31 30 32 33 32 30 33 33 33 31 33
PWIND DIR SW SW SW NW W W W W
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC SC SC B1 SC FW FW
POP 12HR 10 20 5 40 30 30 5 10
RAIN SHWRS S C C C
TSTMS S C C
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