Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 191848
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
1248 PM MDT Sat Sep 19 2026

MTZ235-192200-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
1248 PM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      60          51          62          50          70
Temp                      58 57 55 54 54 53 53 55 60 60 56 54 53 52 52 60 68 69
Dewpt                     58 57 52 53 53 52 53 55 56 56 53 53 52 52 52 54 53 55
RH                       100100 90 96 96 96100100 87 87 90 96 96100100 81 59 61
Wind dir                   N  N  N  N NW NW NW  N  N NE  E SE  S  S  S  S SE  E
Wind spd                  14 14 13 14 13 12 10  8  6  5  3  3  3  3  3  4  5  8
Wind gust                 25
Clouds                    OV OV OV OV OV OV OV OV B2 B2 B2 B2 OV OV B1 SC CL CL
PoP 12hr                    100         100          80          20           0
QPF 12hr                   0.44        0.83        0.22           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 D  D  D  D  L  D  C  L  C  S
Tstms                      C  S  S
Obvis                                       PF PF          PF PF PF PF
Flood                      A  A  A  A  A  A  A  A  A


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            49    77      54    79      54    81      54    80
Temp          55   49 69 75 60   54 71 76 61   55 73 78 61   54 72 76
Dewpt         49   45 53 52 47   46 50 52 48   46 50 51 45   43 49 51
PWind dir          SE    SW       E    SW       S    SW      SE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   FW SC FW FW   SC B1 SC FW   FW SC FW FW   FW SC SC
PoP 12hr            0     0       5    10       5     0       0     0

$$
MTZ065-192200-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
1248 PM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      59          43          66          42          74
Temp                      56 56 53 50 47 45 47 57 64 64 55 51 47 43 48 66 73 71
Dewpt                     49 48 47 47 47 45 45 46 44 43 43 44 43 41 41 46 41 41
RH                        77 74 80 89100100 93 67 48 46 64 77 86 93 77 48 31 34
Wind dir                   E  E  E  E  W NW SW  W  E  E  E  S SW  W SW  W NW NE
Wind spd                   6  6  5  2  2  3  5  3  3  4  3  2  3  4  4  2  3  6
Clouds                    OV OV OV B2 OV B2 B2 B1 B1 SC SC B1 B2 B2 FW CL CL CL
PoP 12hr                    100          60          20           5           0
QPF 12hr                   0.10        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 D  L  C  C  C  S
Tstms                      C
Obvis                                 PF PF
Flood                      A  A  A  A  A  A  A  A  A


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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    78      49    78      48    81      49    81
Temp          54   45 70 75 58   49 71 75 58   49 73 77 59   49 73 76
Dewpt         43   38 41 39 39   38 41 40 41   40 42 40 39   38 40 39
PWind dir           S     W       S     W      SW    SW       S    SW
Wind char          LT    LT      LT    LT      GN    GN      GN    LT
Avg clouds    FW   FW FW SC SC   SC B1 FW FW   FW FW FW FW   FW SC SC
PoP 12hr            0     0       5     5       5     0       0     5

$$
MTZ032-192200-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
1248 PM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      65          53          61          49          69
Temp                      62 62 59 57 56 55 54 57 59 59 56 54 52 51 53 63 66 68
Dewpt                     61 62 59 57 56 55 54 57 58 57 56 54 52 51 53 55 54 57
RH                        97100100100100100100100 96 93100100100100100 75 65 68
Wind dir                  NE NE NE NE  E NE  E  E  E  E  E  E  E  E SE SE SE SE
Wind spd                  13 13 13 11 11 11 11 12 11  9  8  6  5  5  8 11 10 11
Clouds                    OV OV OV OV OV OV OV OV OV OV OV B1 B2 B1 B1 B1 SC FW
PoP 12hr                     90         100         100          20           5
QPF 12hr                   0.51        0.53        0.17        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 D  D  L  L  D  D  L  L  L  S
Tstms                      C  C  S
Obvis                                                   PF PF PF PF
Flood                      A  A  A  A  A  A  A  A  A


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            50    77      53    78      53    82      56    83
Temp          55   50 68 75 59   54 71 76 59   53 75 79 63   56 76 79
Dewpt         52   50 55 55 55   54 56 56 55   51 52 51 49   49 51 50
PWind dir          SE    SE      SE    SE      SE     S      SE    SE
Wind char          GN    GN      GN    LT      LT    LT      GN    GN
Avg clouds    FW   FW FW FW FW   FW SC SC SC   FW SC CL FW   FW SC FW
PoP 12hr            0     0       5    10       5     5       0     0

$$
MTZ033-192200-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
1248 PM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      65          48          61          44          67
Temp                      63 61 56 54 54 51 53 58 59 56 52 50 50 48 52 64 66 62
Dewpt                     54 56 55 54 54 51 53 54 54 53 52 50 50 48 50 52 51 51
RH                        72 84 96100100100100 86 83 90100100100100 93 65 58 67
Wind dir                   E  E  E  E  E  E  E  E  E  E  E  E SE SE SE SE SE SE
Wind spd                  13 13 14 12 13 13 16 17 16 13 11  9  9  9 12 16 17 17
Wind gust                                      27 27 24
Clouds                    OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV B2 B1 B1 SC
PoP 12hr                     70          90          90          40           5
QPF 12hr                   0.08        0.27        0.26        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 L  L  L  L  D  L  D  D  C  C  S
Tstms
Flood                      A  A  A  A  A  A  A  A  A


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            44    73      48    79      50    83      52    84
Temp          50   45 67 70 55   52 73 73 57   53 78 78 60   55 78 78
Dewpt         49   45 52 52 52   52 54 55 54   52 51 49 50   50 51 50
PWind dir          SE    SE      SE    SE      SE     S      SE    SE
Wind char          BZ    BZ      BZ    GN      LT    LT      GN    BZ
Avg clouds    SC   SC SC FW FW   FW SC B1 B1   SC SC FW FW   FW SC FW
PoP 12hr            0     0       5    30      30     0       5     5
Rain shwrs                              C  C
Tstms                                   S  S

$$
WYZ199-192200-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
1248 PM MDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
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                      65          46          62          44          70
Temp                      62 60 53 51 50 48 51 57 59 58 52 50 48 46 51 63 67 68
Dewpt                     57 57 53 51 50 48 51 53 52 53 52 50 48 46 48 50 49 52
RH                        84 90100100100100100 86 78 83100100100100 89 62 52 57
Wind dir                  NW NW NW NW  W  W NW NW NW NW  W  N  N  N  N  E  E  E
Wind spd                   4  6  5  4  4  4  5  9  9  4  1  0  0  0  0  3  3  4
Clouds                    OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC FW FW FW
PoP 12hr                    100          80          80          60          10
QPF 12hr                   0.38        0.19        0.10        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 D  D  L  C  C  C  C  C  L  L  C
Tstms                      C  C  S                 S  S
Obvis                        PF PF PF PF PF PF           F  F  F  F
Flood                      A  A  A  A  A  A  A  A  A


Date               Tue 09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26
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            42    77      48    78      46    82      48    83
Temp          48   42 70 74 53   49 72 74 53   47 76 78 55   48 76 78
Dewpt         46   40 46 47 43   41 46 48 44   40 43 44 39   38 42 44
PWind dir           S     E       S    NW      SW    SE       S    SE
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   FW FW FW FW   SC B1 SC FW   FW FW CL FW   FW SC FW
PoP 12hr            0     0      10    20       5     5       0     0
Rain shwrs                           S  S

$$