Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 142358
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
558 PM MDT Mon Sep 14 2026

MTZ235-151000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
558 PM MDT Mon Sep 14 2026

Date           09/14/26      Tue 09/15/26            Wed 09/16/26            Thu
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                      43          69          45          67          47
Temp             63 56 51 46 44 49 59 67 68 62 55 50 46 50 60 67 65 59 54 50 47
Dewpt            35 39 41 41 41 42 43 40 40 40 39 39 39 41 44 45 45 45 46 45 45
RH               35 53 68 83 89 77 55 37 36 44 55 66 76 71 55 45 48 60 74 83 93
Wind dir         NW NW  W SW SW  E  E  E  E NE  N NW  W NW  N NE NE NE NE NE  W
Wind spd         29 17  6  5  5  3 11 13 13 12  9  8  8  6  8 11 13 10  8  4  3
Wind gust        41
Clouds           SC FW FW SC B1 FW FW FW SC FW FW FW SC FW FW FW FW SC FW SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
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          76      55    74      53    71      51    73      49    76
Temp          65 75 62   56 69 69 57   53 65 68 56   51 67 70 55   49 68 74
Dewpt         50 49 50   51 53 53 53   51 52 48 46   44 46 42 42   41 44 41
PWind dir         S       N    NW      NW    NW      NW     W      NE    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC   B1 B2 B1 B2   B1 B2 B1 B1   SC SC SC FW   SC SC FW
PoP 12hr          5      30    50      70    40      30     5       0     0
Rain shwrs           S    C  C  C  L    C  C  C  C
Tstms                           S  S             S

$$
MTZ065-151000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
558 PM MDT Mon Sep 14 2026

Date           09/14/26      Tue 09/15/26            Wed 09/16/26            Thu
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                      35          69          40          71          42
Temp             55 46 42 38 36 46 58 67 66 54 49 44 40 50 61 71 67 55 49 44 43
Dewpt            31 32 34 34 33 34 36 34 35 34 36 35 33 36 41 42 41 40 41 39 40
RH               40 58 73 85 89 63 44 29 32 46 61 70 76 58 48 35 39 57 74 82 89
Wind dir          W  W  W NW  N  E  E  E  E  E  E  W  W  W  N  E  E  E  E SE SW
Wind spd         29 10  5  4  3  4 13 16 17 12  8  2  5  2  4 13 19 23 11  4  2
Wind gust        41                         23                   31 36
Clouds           SC FW FW SC FW CL CL FW B1 SC SC SC SC FW FW FW FW SC SC SC SC
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
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          78      49    73      45    70      44    74      44    77
Temp          69 73 57   50 67 67 52   46 64 66 51   46 67 70 52   44 68 73
Dewpt         47 46 48   47 49 45 47   44 44 37 38   38 38 32 34   34 35 32
PWind dir         S       S     W      SW     W      SW     W       S     W
Wind char        LT      LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    SC SC B1   B1 SC B2 B1   B1 B1 B1 SC   SC SC FW FW   SC FW FW
PoP 12hr         30      40    70      50    40      20     5       5     5
Rain shwrs        C  C    S  S  L  C    C  C  C  S
Tstms             S  S          C  C          S  S

$$
MTZ032-151000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
558 PM MDT Mon Sep 14 2026

Date           09/14/26      Tue 09/15/26            Wed 09/16/26            Thu
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          68          50          71          46
Temp             61 55 50 46 45 49 58 62 68 61 57 55 51 59 69 71 70 60 54 48 46
Dewpt            36 43 44 44 45 46 43 39 43 43 41 43 43 48 50 51 52 51 50 47 46
RH               39 64 80 93100 89 57 43 40 51 55 64 74 67 51 49 53 72 86 96100
Wind dir          W NW  W  W  W NW NE  E  E  E  E  E NE  N NW  N  N NE NE  E  E
Wind spd         34 23 11  9  6  6  3  5 12 14 14 11  8  6 13 16 13  8  6  5  5
Wind gust        48
Clouds           SC B1 FW FW SC CL FW FW B1 SC FW SC FW FW FW FW CL FW FW SC SC
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                     PF PF
High Wind         W


Date           09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
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          78      57    76      54    70      49    72      48    76
Temp          67 77 62   57 71 71 58   54 65 67 54   50 67 69 53   48 69 73
Dewpt         51 54 57   57 59 57 57   54 55 52 51   49 50 47 46   45 47 45
PWind dir        SE       E     N       N    NW      NE     W       E    SE
Wind char        LT      GN    LT      GN    GN      LT    LT      LT    LT
Avg clouds    SC SC SC   B2 B1 B1 B2   B2 B2 B1 B1   SC SC SC FW   FW SC FW
PoP 12hr          5      20    50      70    50      40    20       5     5
Rain shwrs                S  C  C  L    L  C  C  C    S  S  S
Tstms                     S     S  C    S     S  S

$$
MTZ033-151000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
558 PM MDT Mon Sep 14 2026

Date           09/14/26      Tue 09/15/26            Wed 09/16/26            Thu
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          69          48          78          43
Temp             60 50 47 44 43 49 59 64 67 55 51 48 48 60 75 77 69 55 48 44 44
Dewpt            32 39 43 43 43 43 38 34 44 40 39 40 43 49 52 51 50 47 46 44 44
RH               35 66 86 96100 80 45 32 43 57 63 74 83 67 45 40 51 74 93100100
Wind dir          W  W  W  W  W NW NW  N  E  E  E SE SE SE  W NW  N  N NE  E  E
Wind spd         36 32 18 12  9 12  9  4 11 16 18 18 16 16 11 14 17 12  6  5  6
Wind gust        52 47
Clouds           SC B1 FW SC SC SC CL FW B1 SC FW B1 SC FW CL FW FW FW FW SC B1
PoP 12hr                      0           0          10           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                     PF PF
High Wind         W


Date           09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
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          77      53    78      50    71      46    73      44    76
Temp          69 72 61   57 73 69 56   52 65 63 52   49 67 66 51   46 69 69
Dewpt         52 54 57   57 59 57 56   52 54 51 50   49 48 46 46   45 45 43
PWind dir        SE      SE    SE      NE     W       S    NW      SE    SE
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC SC B1   B1 B2 B2 B2   B2 B2 B2 B1   SC B1 SC SC   FW SC FW
PoP 12hr         10      40    60      70    60      50    20      10     5
Rain shwrs           C    C  S  L  L    L  L  L  C    S  S  S
Tstms                S    S     S  C    S  S  C  C    S     S

$$
WYZ199-151000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
558 PM MDT Mon Sep 14 2026

Date           09/14/26      Tue 09/15/26            Wed 09/16/26            Thu
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                      37          71          44          71          43
Temp             63 51 44 39 37 48 63 68 69 57 50 47 45 60 70 71 67 54 48 45 44
Dewpt            30 34 35 36 35 36 35 34 38 37 36 37 37 42 44 43 44 44 42 42 43
RH               29 52 70 89 92 63 35 28 32 47 58 68 73 51 39 36 43 69 80 89 96
Wind dir         NW NW NW  W SW  E SE SE  E SE SW SW  W NW NW  N  N  W  N  N  N
Wind spd         27 20 11  5  5  3 13 14 11  6  4  3  5 10 16 11  6  1  0  0  0
Wind gust        39 33
Clouds           FW FW FW FW FW FW CL SC SC SC FW FW SC FW FW FW FW SC SC SC B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
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          79      51    76      46    72      43    73      41    78
Temp          71 74 57   53 73 69 52   47 68 67 49   45 71 69 48   42 72 73
Dewpt         49 50 50   49 52 51 51   47 49 45 43   39 41 39 37   35 38 37
PWind dir        SE      SW    NW      NW    NW       W    NW      SW     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1   B1 B1 B2 B2   B1 B1 B1 B1   SC SC SC FW   SC SC FW
PoP 12hr         10      20    60      60    50      40    20       5     5
Rain shwrs           S    S  C  L  L    C  C  C  C          S
Tstms                S          S  S          S  S

$$