Point Forecast Matrices
Issued by NWS Billings, MT

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600
FOUS55 KBYZ 150648
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
1248 AM MDT Tue Sep 15 2026

MTZ235-161000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
1248 AM MDT Tue Sep 15 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          68          45          66          47
Temp                      47 44 48 60 66 67 60 54 50 46 49 60 65 64 57 53 49 47
Dewpt                     42 41 42 43 40 39 40 40 41 41 41 42 40 43 43 45 44 45
RH                        83 89 80 53 38 36 47 59 71 83 74 51 40 46 59 74 83 93
Wind dir                  SW SW  E  E  E  E NE NE NW  W NW  N NE NE NE NE NE  N
Wind spd                   6  3  3 11 13 14 12 11  8  8  6 10 13 13 10  9  6  4
Clouds                    FW B1 CL FW FW FW SC FW CL FW FW FW FW FW FW 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          73      54    73      51    71      49    75      49    79
Temp          61 73 60   54 69 68 56   51 65 69 55   50 68 73 56   50 70 76
Dewpt         45 47 51   50 50 49 50   48 49 45 45   44 46 42 42   41 43 40
PWind dir         E       N     W      NW    NW      SE    SW       E    SW
Wind char        LT      LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC B1   SC B1 B1 B2   B1 B1 SC SC   FW SC FW FW   FW SC FW
PoP 12hr          5      20    50      60    30      20     5       5     0
Rain shwrs           S       S  C  L    C  C  S  S
Tstms                S          S

$$
MTZ065-161000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
1248 AM MDT Tue Sep 15 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          70          42
Temp                      39 36 45 58 67 65 54 48 44 41 48 60 68 66 55 50 46 43
Dewpt                     35 33 34 37 36 34 35 36 36 35 35 39 37 39 39 41 41 40
RH                        85 89 65 45 32 31 48 63 73 79 60 46 32 37 55 71 83 89
Wind dir                  NW NW  E  E  E  E  E  E  N  W NW NE  E  E  E  E  E SW
Wind spd                   4  2  3 10 14 18 14  9  4  4  3  5 17 21 26 17  6  2
Wind gust                                                  17 31 33 40
Clouds                    SC FW CL CL FW SC SC FW SC FW FW FW FW FW FW FW 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          75      47    71      44    72      44    76      45    79
Temp          66 69 55   48 65 65 51   45 65 68 52   45 69 72 54   45 71 74
Dewpt         47 48 48   44 46 43 44   42 42 36 37   36 38 32 34   34 35 32
PWind dir         S       S     W       W     W      SW     W      SE     W
Wind char        LT      LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC B2   SC B1 B2 B1   B1 B1 SC FW   FW FW CL CL   FW FW FW
PoP 12hr         20      50    70      40    30      10     5       5     0
Rain shwrs        S  C    S  C  L  C    C  C  S
Tstms             S  S          S

$$
MTZ032-161000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
1248 AM MDT Tue Sep 15 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          67          50          70          46
Temp                      48 45 49 58 62 66 57 55 53 50 56 67 67 65 56 51 46 46
Dewpt                     46 45 46 44 40 41 40 40 42 43 45 47 46 47 47 46 45 46
RH                        93100 89 59 44 40 53 57 66 77 66 49 47 52 72 83 96100
Wind dir                   W  W NW  N  E  E  E NE NE NE NW NW  N  N NE NE  E  E
Wind spd                  10  6  4  1  5 11 14 14 12  8  8 16 16 12  9  8  6  6
Wind gust                                               18
Clouds                    FW B1 FW FW FW FW SC SC FW FW CL CL FW FW FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                     PF PF


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          75      56    75      51    70      47    74      47    80
Temp          65 74 62   56 70 71 57   52 65 67 53   47 68 71 54   47 72 76
Dewpt         49 54 56   55 58 55 56   52 52 49 49   47 48 46 45   44 46 45
PWind dir         E       E     W      NW    NW       E    SE      SE    SE
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    GN
Avg clouds    SC SC B1   B1 B1 B1 B2   B2 B1 B1 B1   SC SC FW FW   FW FW CL
PoP 12hr         10      30    50      60    50      30    20       0     0
Rain shwrs                C  C  C  L    L  C  C  C    S  S
Tstms                           S  C             S

$$
MTZ033-161000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
1248 AM MDT Tue Sep 15 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          68          45          77          41
Temp                      44 43 49 58 63 63 53 51 48 46 57 73 75 68 55 49 44 42
Dewpt                     44 43 43 38 36 38 38 40 40 41 45 49 48 49 47 47 44 42
RH                       100100 80 47 36 39 57 66 74 83 64 43 38 51 74 93100100
Wind dir                   W  W NW NW  N  E  E  E  E SE  S  W  N  N  N NE  E  E
Wind spd                  13 10 11  9  4 10 14 17 19 16 14 12 17 17 13  9  6  8
Wind gust                                               25
Clouds                    SC SC B1 CL CL FW B1 FW SC FW CL CL FW FW FW FW SC B1
PoP 12hr                      0           0           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
Obvis                     PF PF


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          73      51    77      47    71      42    75      43    79
Temp          65 67 58   53 71 68 55   52 65 63 50   47 68 68 51   47 72 72
Dewpt         48 54 54   52 58 55 54   52 51 48 48   46 46 44 45   44 44 43
PWind dir        SE      SE     S      NW    NW       E    SE      SE    SE
Wind char        GN      BZ    GN      GN    GN      LT    LT      LT    GN
Avg clouds    B1 B1 B2   B2 B2 B2 B2   B2 B2 B1 B1   SC SC FW FW   FW FW CL
PoP 12hr         20      50    60      70    50      40    10      10     5
Rain shwrs     S  S  S    C  C  L  L    L  C  C  C    C
Tstms                S       S  C  C    S        S

$$
WYZ199-161000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
1248 AM MDT Tue Sep 15 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          70          41
Temp                      40 38 48 62 67 67 56 50 46 45 54 66 68 65 52 46 43 42
Dewpt                     36 36 36 35 35 35 38 38 38 38 36 35 36 41 43 41 41 42
RH                        85 92 63 36 30 30 51 63 73 76 50 32 31 41 71 83 93100
Wind dir                   W SW SE SE SE  E SE  S  W  W NW NW  N  N  W  N  N  N
Wind spd                   6  4  3 12 16 13  9  5  4  4 11 14 11  6  1  0  0  0
Clouds                    CL FW FW CL SC B1 SC FW FW FW 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          77      50    75      44    70      42    75      42    79
Temp          70 73 56   51 72 67 50   45 68 66 47   43 72 71 49   43 74 74
Dewpt         46 50 50   48 50 49 47   44 45 43 41   38 40 38 36   34 37 36
PWind dir         E       S    NW      NW    NW       W    NE       S     E
Wind char        LT      LT    LT      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC B1   B1 B1 B2 B2   B1 B1 B1 SC   FW SC FW FW   FW FW FW
PoP 12hr         10      20    60      60    40      20    10       5    10
Rain shwrs           S       S  L  L    C  C  C  S
Tstms                S          S  S

$$