Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 121936
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
136 PM MDT Sat Sep 12 2026

MTZ235-131000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
136 PM MDT Sat Sep 12 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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                      46          77          50          68          44
Temp          66 64 58 54 50 48 50 63 75 76 65 58 55 51 54 64 68 65 57 51 46 44
Dewpt         42 43 44 44 42 42 43 44 42 46 47 47 46 44 42 38 34 37 41 42 41 41
RH            42 46 59 69 74 80 77 50 31 34 52 67 72 77 64 38 28 35 55 71 83 89
Wind dir      NE NE NE NE NE NE  E  E  E NE NW NW  W  W  W  W NW NW  N  W SW  S
Wind spd       8 11 12 13 12 10  9 10 10  6  9 13 13 14 14 31 28 23 11  4  4  3
Wind gust                                                  43 40 35
Clouds        SC B1 OV B1 B1 SC SC FW SC SC SC B1 B1 SC FW FW CL CL FW FW FW FW
PoP 12hr                      0           0          30           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C


Date           09/15/26  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26  Sat 09/19/26
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          70      47    68      46    75      50    77      50    79
Temp          62 69 54   47 61 66 51   46 66 72 55   50 69 74 56   50 71 77
Dewpt         42 40 42   43 46 44 44   43 45 41 43   42 45 42 42   41 44 41
PWind dir        SE      NE     N      NE    SW      NE    NW      NE     S
Wind char        LT      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   SC B1 SC FW   FW FW FW FW   SC SC SC FW   SC SC FW
PoP 12hr          0       0     0       0     0      20    20      20    20
Rain shwrs                                            S  S  S       S  S

$$
MTZ065-131000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
136 PM MDT Sat Sep 12 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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          75          42          65          36
Temp          67 66 57 51 47 43 47 61 73 72 59 52 47 43 47 58 65 63 51 46 40 37
Dewpt         41 40 43 44 44 43 41 41 36 32 32 40 43 42 38 35 34 33 34 36 34 33
RH            39 38 59 77 89100 79 48 26 23 36 63 86 96 71 42 31 32 52 68 79 85
Wind dir       E  E  E  E  E  E  E  E SE SW  W  W  W  W  W  W  W  W  W  W SW SW
Wind spd       8 14 19 20 18 18 20 14 14 19 17 17 17 19 24 31 31 23  8  5  4  2
Wind gust           31 35 31 29 32    26 31 28 27 27    37 43 43 34
Clouds        B1 B1 B2 B2 B1 SC SC SC FW FW SC B1 B1 B1 FW FW FW FW FW FW FW FW
PoP 12hr                      0           0          50          10           0
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C
Obvis                     PF PF


Date           09/15/26  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26  Sat 09/19/26
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          69      41    68      40    75      44    76      45    79
Temp          62 67 49   41 61 65 48   42 67 72 52   45 69 73 53   45 71 76
Dewpt         37 33 37   38 40 36 39   38 37 32 36   36 36 33 36   36 36 34
PWind dir        NE       E    SE      SE     W       S     W      SE     W
Wind char        LT      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC   SC SC SC FW   FW FW FW FW   SC SC SC FW   SC SC FW
PoP 12hr          0       0     5       5     5      20    20      20    10
Rain shwrs                                       S    S  S  S  S
Tstms                                                       S

$$
MTZ032-131000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
136 PM MDT Sat Sep 12 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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                      46          74          52          69          44
Temp          61 62 55 51 49 46 53 68 73 72 64 61 57 53 55 66 68 64 56 50 45 44
Dewpt         38 41 43 42 41 41 42 41 41 46 49 54 53 49 45 40 35 40 44 44 44 44
RH            42 46 64 71 74 83 66 37 31 39 58 78 86 86 69 38 29 41 64 80 96100
Wind dir       E NE NE NE NE NE  E  E SE SE SE SE NW NW  W  W  W NW NW NW  W SW
Wind spd       5  9  8  8 10  9 13 19 21 20 18 13 14 18 19 25 31 27 19  9  5  4
Wind gust                                                  35 43 39
Clouds        OV B1 B2 OV B1 SC FW SC SC SC SC B1 B1 SC FW FW FW FW FW FW FW FW
PoP 12hr                      0           0          50          10           0
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C
Tstms                                           S  S


Date           09/15/26  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26  Sat 09/19/26
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          70      48    71      45    76      48    77      48    79
Temp          63 68 53   48 67 67 51   45 70 73 55   49 71 73 55   49 73 76
Dewpt         44 41 42   45 48 45 46   45 47 44 45   46 47 44 44   44 46 44
PWind dir         S       E    NE      NE    SE       E     N      NE    SE
Wind char        LT      GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   SC B1 SC FW   FW FW FW FW   FW SC SC FW   FW FW FW
PoP 12hr          0      20     5       5     0      20    20      20    20
Rain shwrs                S                           S  S  S  S    S  S  S

$$
MTZ033-131000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
136 PM MDT Sat Sep 12 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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                      41          71          49          70          39
Temp          63 61 54 49 46 43 52 67 71 66 58 56 54 52 57 67 69 64 54 48 43 40
Dewpt         38 39 41 41 40 39 39 38 39 44 45 50 53 51 48 39 35 38 42 43 42 40
RH            39 44 61 74 79 86 61 34 31 45 62 80 96 96 72 36 28 38 64 83 96100
Wind dir      NW NE  E  E  E  E  E SE SE SE SE SE  S  W  W  W  W  W NW NW  W  W
Wind spd       4  5  5  5  8 10 17 21 26 27 27 21 20 18 21 27 33 31 27 18 10  6
Wind gust                          33 37 42 40 33       33 41 47 47 41
Clouds        OV B2 B2 B2 B2 SC FW SC SC SC SC B1 B2 B2 SC FW FW FW FW FW FW FW
PoP 12hr                      0           0          40          20           0
QPF 12hr                      0           0        0.05        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  S  S
Tstms                                           S  S


Date           09/15/26  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26  Sat 09/19/26
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          70      43    73      41    76      45    78      45    79
Temp          64 67 51   46 69 67 49   44 71 71 53   48 73 72 53   48 74 74
Dewpt         42 39 41   43 47 46 46   44 45 43 46   45 45 42 44   43 44 43
PWind dir        SW       E     E       E    SE      SE     E       E    SE
Wind char        LT      GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    CL FW FW   SC B1 SC SC   FW SC FW FW   FW SC SC SC   SC FW FW
PoP 12hr          0      20    20       5    10      10    20      20    20
Rain shwrs                S  S                           S  S  S    S     S

$$
WYZ199-131000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
136 PM MDT Sat Sep 12 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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                      41          82          45          70          39
Temp          70 69 55 48 43 41 50 72 81 80 64 57 53 46 52 65 70 66 52 45 41 39
Dewpt         38 42 44 45 43 41 43 44 40 43 47 48 46 45 42 35 31 34 37 38 38 38
RH            31 37 66 89100100 77 37 23 27 54 72 77 96 69 33 23 30 56 76 89 96
Wind dir      NE NE NE  N NW  N  E SE SE SE  S  W NW NW NW NW NW NW NW  W SW  S
Wind spd       5  5  4  4  3  3  5 16 11  9 10  6 16 20 18 19 19 23 10  3  1  1
Wind gust                             21
Clouds        SC SC B1 B1 SC SC SC FW FW FW FW B1 B1 SC FW CL CL CL FW FW FW FW
PoP 12hr                      0           5          30           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C


Date           09/15/26  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26  Sat 09/19/26
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          72      40    69      41    75      43    75      43    78
Temp          66 71 48   41 64 66 46   42 69 72 50   44 71 72 48   44 73 75
Dewpt         38 38 39   39 43 43 43   41 43 42 41   39 41 40 40   37 40 39
PWind dir        SE       S    NW       W     E       W    NW       W     E
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    FW CL FW   FW SC FW FW   SC SC FW SC   SC B1 B1 SC   FW SC SC
PoP 12hr          0       0     5      10    10      30    30      20    20
Rain shwrs                                       S    C  C  C  S          S

$$