921
FOUS55 KBYZ 160111
PFMBYZ
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BILLINGS MT
711 PM MDT FRI MAY 15 2026
MTZ235-161000-
BILLINGS-YELLOWSTONE MT
45.81N 108.53W ELEV. 3648 FT
711 PM MDT FRI MAY 15 2026
DATE 05/15/26 SAT 05/16/26 SUN 05/17/26 MON
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 45 71 41 53 35
TEMP 61 55 48 46 55 65 69 67 56 47 45 43 45 50 52 50 45 41 39 38
DEWPT 24 24 23 25 25 27 28 31 37 37 37 33 31 31 30 31 30 30 31 30
RH 24 30 37 43 31 24 21 26 49 68 73 67 58 48 43 48 55 65 73 73
WIND DIR N NE N N NE E SW NW NW NW NW NW NW NW N N N N N N
WIND SPD 5 8 5 4 6 8 6 11 20 19 18 18 19 16 19 20 20 16 14 14
CLOUDS SC SC SC B1 B1 SC B2 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 OV
POP 12HR 0 0 60 40 40
QPF 12HR 0 0 0.02 0.04 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L C C C C C C C C L
SNOWSHWRS C C L
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 46 32 61 38 68 43 73 47 73
TEMP 42 42 38 35 53 59 45 40 63 66 51 45 67 71 56 48 68 70
DEWPT 31 29 30 30 29 27 30 30 31 31 34 34 34 33 36 37 37 35
PWIND DIR N N W SE W W W NW W
WIND CHAR GN LT LT LT GN LT GN LT GN
AVG CLOUDS B2 B2 B1 SC SC SC B1 B1 SC FW SC SC B1 SC SC SC SC SC
POP 12HR 60 40 10 5 10 10 10 10 20
RAIN SHWRS L C C S S
SNOWSHWRS L
TSTMS S
MTZ065-161000-
LIVINGSTON-PARK MT
45.70N 110.47W ELEV. 4656 FT
711 PM MDT FRI MAY 15 2026
DATE 05/15/26 SAT 05/16/26 SUN 05/17/26 MON
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 39 62 31 46 27
TEMP 56 50 44 40 51 58 59 53 43 38 35 33 36 42 45 42 38 34 31 28
DEWPT 20 23 23 22 24 26 31 38 36 33 31 29 25 28 29 28 28 28 27 24
RH 24 34 43 48 34 29 34 57 76 82 85 85 64 57 53 57 67 78 85 85
WIND DIR NW W SW NE E W W W W W W W W W NW NW N W W W
WIND SPD 4 3 2 3 4 8 10 14 17 13 13 14 18 14 14 14 11 8 8 6
CLOUDS B1 B2 B1 B1 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 60 90 80 60
QPF 12HR 0 0.08 0.25 0.10 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L D L S S S D D L L
SNOWSHWRS S L L L L D D L L C C L
TSTMS S S
WIND CHILL 25
MIN CHILL 30 23 22 27 21
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 45 26 57 32 63 37 69 41 70
TEMP 39 39 32 29 50 55 41 36 58 61 47 40 64 67 52 44 65 68
DEWPT 26 25 27 24 25 24 28 27 28 30 32 30 30 31 34 32 31 32
PWIND DIR NW SW W SW W SW W SW W
WIND CHAR GN LT LT LT GN GN GN GN GN
AVG CLOUDS B2 B2 SC SC B1 B1 B1 B1 SC SC B1 SC B1 SC B1 SC SC SC
POP 12HR 60 20 10 10 20 10 20 20 20
RAIN SHWRS L S S S S S S S
SNOWSHWRS L L S
TSTMS S S S S
MTZ032-161000-
MILES CITY-CUSTER MT
46.42N 105.90W ELEV. 2628 FT
711 PM MDT FRI MAY 15 2026
DATE 05/15/26 SAT 05/16/26 SUN 05/17/26 MON
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 42 76 45 58 35
TEMP 57 50 45 43 55 68 74 74 63 56 50 46 49 55 57 52 46 42 38 36
DEWPT 25 27 28 28 28 30 31 33 37 42 43 41 40 40 38 38 37 37 35 33
RH 29 41 51 55 35 24 20 22 38 59 77 83 71 57 49 59 71 82 89 89
WIND DIR NW NW W SW E E SE E NE N N NW W NW NW NW NW NW N N
WIND SPD 6 4 3 2 4 9 8 10 16 16 18 19 20 19 20 20 19 17 16 14
CLOUDS FW FW B1 B1 SC SC B1 OV OV B2 B2 B2 B1 B1 B1 B2 OV OV OV OV
POP 12HR 0 5 20 10 40
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C C L
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 47 33 58 35 67 41 72 46 72
TEMP 43 43 38 35 50 56 42 37 62 65 49 43 67 69 54 48 69 70
DEWPT 36 34 35 34 32 30 32 32 35 35 38 38 38 36 40 41 41 39
PWIND DIR N N NW E S E SW SE NW
WIND CHAR BZ GN LT LT GN LT LT GN GN
AVG CLOUDS OV B2 B2 B1 SC SC SC SC B1 SC SC SC SC SC SC B1 B1 SC
POP 12HR 60 50 20 0 10 5 10 10 20
RAIN SHWRS L L C C S S
MTZ033-161000-
BAKER-FALLON MT
46.38N 104.24W ELEV. 2969 FT
711 PM MDT FRI MAY 15 2026
DATE 05/15/26 SAT 05/16/26 SUN 05/17/26 MON
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 38 76 43 59 31
TEMP 54 46 42 39 57 70 74 74 62 55 49 44 50 56 58 54 45 40 36 32
DEWPT 22 26 26 25 24 27 29 32 36 41 42 42 41 40 39 37 38 37 33 30
RH 28 45 53 57 28 20 19 21 38 59 77 93 71 55 49 52 76 89 89 92
WIND DIR NW W N N SE SE SE SE E SE SE S W W NW NW NW NW NW NW
WIND SPD 10 2 0 0 5 11 16 20 26 26 21 14 19 19 19 19 18 16 14 16
WIND GUST 36 37
CLOUDS SC FW B1 SC SC B1 B1 B2 B2 OV OV OV B2 B2 B1 B1 OV OV OV OV
POP 12HR 0 0 60 50 20
QPF 12HR 0 0 0.01 0.07 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C S S S S L
SNOWSHWRS L
WIND CHILL 21
MIN CHILL 21
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 43 29 53 32 64 39 69 43 70
TEMP 39 41 36 31 46 52 38 34 60 62 45 41 66 67 50 44 67 69
DEWPT 32 32 34 31 29 26 29 29 32 32 36 37 37 34 39 40 39 36
PWIND DIR N NW NW E S S SW SE W
WIND CHAR BZ GN GN LT GN LT LT GN GN
AVG CLOUDS OV B2 B2 B2 B2 SC SC SC SC SC B1 SC B1 SC SC SC B1 SC
POP 12HR 70 70 40 0 10 10 10 10 20
RAIN SHWRS L L L C C S
SNOWSHWRS L C C
WYZ199-161000-
SHERIDAN-SHERIDAN WY
44.80N 106.96W ELEV. 4019 FT
711 PM MDT FRI MAY 15 2026
DATE 05/15/26 SAT 05/16/26 SUN 05/17/26 MON
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 36 73 37 52 29
TEMP 50 45 39 37 51 67 71 70 58 50 43 39 42 49 51 49 43 39 34 30
DEWPT 29 28 25 25 27 29 28 30 35 36 36 35 33 33 32 32 33 32 31 30
RH 44 51 57 61 39 24 20 22 42 58 76 85 70 54 48 52 67 76 89100
WIND DIR W S E N SE N N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 3 3 2 0 2 4 3 8 12 25 25 25 26 23 21 19 19 19 20 19
WIND GUST 36 36 36 37 33
CLOUDS FW B1 SC B1 B1 B1 B1 OV OV B2 B2 B2 B1 B1 B1 B2 OV OV OV OV
POP 12HR 0 0 20 50 80
QPF 12HR 0 0 0 0.08 0.18
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C C C L L D D D
SNOWSHWRS D D D
WIND CHILL 27 22 17
MIN CHILL 27 26 29 17
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 41 26 54 30 63 35 68 39 72
TEMP 36 38 32 28 48 53 37 31 60 61 43 36 64 66 47 40 68 69
DEWPT 31 29 29 26 30 29 29 27 31 32 33 32 35 35 35 34 37 36
PWIND DIR NW W NW S NW SW N SW NW
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS OV B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR 80 50 30 5 20 10 20 10 30
RAIN SHWRS D L C C S S C
SNOWSHWRS D L C
TSTMS S S S S
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