Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 141451
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
851 AM MDT Mon Sep 14 2026

MTZ235-142200-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
851 AM MDT Mon Sep 14 2026

Date             Mon 09/14/26            Tue 09/15/26            Wed 09/16/26
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          43          73          47          69
Temp                53 62 67 69 61 54 48 44 49 59 68 72 63 57 50 47 50 58 65 69
Dewpt               44 36 33 34 38 39 40 40 42 41 41 40 39 39 39 40 42 44 44 45
RH                  71 38 28 27 42 57 74 86 77 51 37 31 41 51 66 76 74 59 46 42
Wind dir             W  W  W NW NW  W SW  E  E  E  E  E NE NE  N NW NW  N NE NE
Wind spd            14 28 34 29 17  6  4  3  6 12 14 13 13 11  8  9  6  8 11 12
Wind gust           25 40 48 41                   25 24
Clouds              SC FW FW CL FW FW FW SC FW FW FW SC SC FW FW SC FW FW FW FW
PoP 12hr                     20           0           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S


Date               Thu 09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26
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            47    77      53    75      51    74      50    76
Temp          55   47 63 76 61   54 67 72 58   52 65 72 57   50 67 75
Dewpt         43   44 47 47 49   49 52 50 51   50 52 48 46   44 45 41
PWind dir          NE     S       N     N      NE    NW      SE     W
Wind char          GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   FW SC SC B1   B1 B1 B1 B2   B1 B1 SC B1   SC SC FW
PoP 12hr            0     5      40    50      60    30      30    10
Rain shwrs                   C    C  C  C  L    C  C  S  C    S
Tstms                                   S  S             S

$$
MTZ065-142200-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
851 AM MDT Mon Sep 14 2026

Date             Mon 09/14/26            Tue 09/15/26            Wed 09/16/26
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                      64          35          71          40          71
Temp                50 57 63 64 51 44 39 37 45 59 69 70 57 50 44 40 48 61 70 68
Dewpt               40 33 33 33 32 32 32 32 33 36 35 34 32 34 34 33 36 41 40 38
RH                  68 40 32 31 48 62 76 82 62 42 28 26 38 54 68 76 63 48 33 33
Wind dir             W  W  W  W  W  W NW SE  E  E  E  E  E  E  N  W NW NE  E  E
Wind spd            27 37 37 29 10  5  4  2  4  8 14 17 13  6  2  2  3  4 12 18
Wind gust           39 51 52 41                18 27 27
Clouds              SC SC SC FW FW FW SC SC SC FW SC FW FW FW SC SC SC FW FW FW
PoP 12hr                     20           0           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S


Date               Thu 09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26
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            41    78      46    73      44    72      43    75
Temp          50   42 69 73 56   48 66 69 53   44 65 69 52   43 67 72
Dewpt         39   38 45 43 45   45 47 43 45   43 43 38 38   36 37 31
PWind dir           E    SW       S    NW      SE     W      SW     W
Wind char          GN    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW   FW SC SC B1   B1 B1 B1 B1   B1 B1 B1 SC   SC SC FW
PoP 12hr            0    20      50    50      40    30      20    10
Rain shwrs                S  C    C  C  C  C    S  C  C  S
Tstms                     S  S          S  S          S  S

$$
MTZ032-142200-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
851 AM MDT Mon Sep 14 2026

Date             Mon 09/14/26            Tue 09/15/26            Wed 09/16/26
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          44          71          50          74
Temp                55 67 69 70 62 56 49 45 50 60 63 70 61 57 54 51 56 65 66 72
Dewpt               46 39 34 39 45 46 45 45 44 43 42 40 40 39 41 43 44 45 48 48
RH                  72 36 27 32 54 69 86100 80 53 46 33 46 51 61 74 64 48 52 42
Wind dir             W  W  W  W NW  W  W  W  N  E  E  E  E  E  E NE NE  N  N  N
Wind spd            21 26 33 32 23 11  8  3  2  4  8 12 14 13 12  9  9 13 14 12
Wind gust           33 36 47 44
Clouds              SC FW SC FW SC FW FW SC FW FW FW FW SC FW SC SC FW FW FW FW
PoP 12hr                     20           5           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S
Tstms
High Wind               W  W  W


Date               Thu 09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26
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            45    79      53    78      50    74      47    76
Temp          54   46 68 78 62   55 70 72 58   51 67 70 55   48 68 73
Dewpt         46   45 50 51 53   54 56 54 54   51 54 51 50   48 49 46
PWind dir          NE    SE       E     N      NE     E       E    NW
Wind char          LT    LT      GN    GN      GN    LT      GN    GN
Avg clouds    FW   FW SC FW SC   B1 B1 B2 B2   B2 B1 B1 B1   SC SC SC
PoP 12hr            0     5      30    60      60    50      30    20
Rain shwrs                        C  C  L  L    L  C  C  C    S  S
Tstms                                   S  S             S

$$
MTZ033-142200-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
851 AM MDT Mon Sep 14 2026

Date             Mon 09/14/26            Tue 09/15/26            Wed 09/16/26
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          41          70          46          78
Temp                56 65 69 66 54 48 45 43 51 62 66 68 57 53 51 47 58 72 76 71
Dewpt               47 38 32 33 39 41 41 43 43 40 39 38 37 39 40 41 45 48 50 47
RH                  72 37 25 29 57 77 86100 74 44 37 33 47 59 66 79 62 42 40 42
Wind dir             W  W  W  W  W  W  W  W NW NW  E  E  E  E  E SE SE  S  N  N
Wind spd            26 29 34 35 29 17 11  8  8  4  4 11 16 17 18 16 13 11 14 16
Wind gust           36 43 49 52 46 32 28          14
Clouds              B2 CL FW FW SC FW SC B1 B1 FW FW FW SC SC SC SC FW FW FW FW
PoP 12hr                     30           5           0          20           5
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C                                      S  S
Tstms
High Wind               W  W  W


Date               Thu 09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26
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            43    78      50    78      47    73      45    76
Temp          51   44 71 74 59   54 73 72 56   50 67 67 53   47 70 71
Dewpt         46   44 50 52 54   54 56 53 52   50 51 49 48   47 47 45
PWind dir          NE    SE      SE     E       E    SE      SE     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW   SC SC SC B1   B1 B1 B2 B2   B2 B2 B1 B1   SC SC SC
PoP 12hr            0    20      40    60      60    60      40    30
Rain shwrs                S  C    C  C  L  L    L  L  C  C    S  S  C
Tstms                        S          S  S             S

$$
WYZ199-142200-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
851 AM MDT Mon Sep 14 2026

Date             Mon 09/14/26            Tue 09/15/26            Wed 09/16/26
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                      72          36          74          42          72
Temp                57 66 71 72 56 46 40 38 48 65 67 73 58 51 46 43 54 65 66 70
Dewpt               44 34 28 30 34 33 32 34 35 37 36 35 38 37 36 36 38 41 42 43
RH                  62 30 20 21 43 60 73 85 60 35 32 25 47 59 68 76 54 41 42 38
Wind dir            NW NW NW NW NW NW  W  S SE SE SE SE SE  S SW  W NW NW  N  N
Wind spd            24 17 23 24 20 11  2  1  6 16 14 10  6  3  2  3 16 18 11  6
Wind gust                    35             17
Clouds              FW CL FW CL FW FW FW SC FW FW SC B1 SC SC SC FW FW FW FW FW
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs
Tstms


Date               Thu 09/17/26  Fri 09/18/26  Sat 09/19/26  Sun 09/20/26
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            41    78      47    75      43    72      40    75
Temp          50   42 70 76 55   49 71 70 51   44 68 69 49   41 71 72
Dewpt         42   40 48 48 48   47 52 51 50   44 50 47 42   38 41 39
PWind dir          SW     E       W     N       W     N       W    NW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   SC SC SC SC   B1 B1 B2 B1   B1 B1 B1 SC   SC SC FW
PoP 12hr            5    20      20    60      50    50      20    10
Rain shwrs                S  S    S  C  L  C    S  C  C  S    S
Tstms                                   S  S          S  S

$$