Point Forecast Matrices
Issued by NWS Billings, MT

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Point Forecast Matrices
National Weather Service Billings MT
1257 AM MDT Sat Sep 5 2026

MTZ235-061000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
1257 AM MDT Sat Sep 5 2026

Date           09/04/26      Sat 09/05/26            Sun 09/06/26            Mon
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                      56          83          57          84          59
Temp                      62 58 62 72 81 81 73 66 62 58 62 72 82 82 73 66 62 60
Dewpt                     44 44 44 46 43 45 47 49 50 50 52 57 55 55 55 56 55 54
RH                        52 59 52 39 26 28 40 54 65 75 70 59 40 40 53 70 78 81
Wind dir                  NW NW  N NE NE NE NE  N NW  W  N NE  E  E NE  N NW  W
Wind spd                   4  4  5  6 10 13 11  8  6  4  4  8 11 12 11 11  8  8
Clouds                    SC SC CL CL CL FW FW FW FW SC FW FW B2 B2 OV B2 B2 B1
PoP 12hr                      0           0           0           0          70
QPF 12hr                      0           0           0           0        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        L  L  L  L  C
Tstms                                                             S  C  C  S  S


Date           09/07/26  Tue 09/08/26  Wed 09/09/26  Thu 09/10/26  Fri 09/11/26
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      52    74      49    79      53    84      55    79
Temp          71 73 59   53 64 72 57   51 69 78 61   55 76 82 63   57 72 76
Dewpt         56 44 43   41 43 40 44   44 45 39 41   42 43 39 43   45 47 45
PWind dir         W       W     W       N    SW       W    SW       W     W
Wind char        GN      BZ    BZ      LT    LT      LT    GN      LT    GN
Avg clouds    B1 B1 SC   SC SC FW FW   FW SC FW FW   SC B1 SC SC   SC B1 SC
PoP 12hr         50      20     5       0     0       0     0       5    10
Rain shwrs     C  C  S
Tstms          S  S

$$
MTZ065-061000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
1257 AM MDT Sat Sep 5 2026

Date           09/04/26      Sat 09/05/26            Sun 09/06/26            Mon
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                      48          81          47          82          49
Temp                      54 50 55 69 79 79 66 59 54 49 55 73 82 78 65 59 54 50
Dewpt                     41 43 42 42 38 40 43 44 45 45 44 50 44 46 49 50 50 49
RH                        61 77 61 37 23 25 43 57 71 86 66 44 26 32 56 72 86 96
Wind dir                   E SE  E  E  E SE  E  E  E  E  E  E SE SE  E SE  W SW
Wind spd                   9  3  4  6 10 14 13 11  5  3  5  8 13 12 10  6  4  4
Wind gust                             20                   19    23
Clouds                    FW FW CL CL FW FW FW FW FW SC FW FW SC B1 B2 B2 B2 B1
PoP 12hr                      0           0           0           0          60
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        S  S  L  L  C
Tstms                                                             S


Date           09/07/26  Tue 09/08/26  Wed 09/09/26  Thu 09/10/26  Fri 09/11/26
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          71      41    71      40    79      46    81      47    77
Temp          65 65 51   42 62 69 51   42 69 77 56   48 73 77 59   49 70 73
Dewpt         44 38 41   39 40 33 37   37 37 33 37   39 39 37 41   43 44 41
PWind dir        SW       W     W      SW     W      SW    SW      SW    SW
Wind char        BZ      WY    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1   SC SC FW FW   FW FW FW SC   SC SC SC SC   B1 SC SC
PoP 12hr         50      30     5       0     0       0     5      20    20
Rain shwrs     C  C  C                                              S  S  S
Tstms             S  S

$$
MTZ032-061000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
1257 AM MDT Sat Sep 5 2026

Date           09/04/26      Sat 09/05/26            Sun 09/06/26            Mon
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                      58          88          61          90          64
Temp                      63 59 64 78 86 86 75 70 65 62 67 79 88 88 77 71 67 64
Dewpt                     45 46 50 53 52 52 55 57 58 58 60 61 61 58 59 60 59 58
RH                        52 62 60 42 31 31 50 63 78 87 78 54 40 36 54 68 75 81
Wind dir                  NW  W NW NW NW  N  N NE  N  N  N  N NE NE  N NE  N  N
Wind spd                   8  6  6  9  9  8  8  6  5  5  5  5  6  8 12 12 10  9
Clouds                    FW FW FW CL CL CL FW FW FW B2 SC SC B1 B2 B2 B2 B2 B2
PoP 12hr                      0           0           0           5          50
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  C
Tstms                                                             S  S  S


Date           09/07/26  Tue 09/08/26  Wed 09/09/26  Thu 09/10/26  Fri 09/11/26
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          83      52    75      48    80      51    85      53    81
Temp          77 78 61   53 69 70 56   50 73 78 60   53 78 81 62   54 75 77
Dewpt         60 53 50   44 46 45 48   47 46 43 44   44 44 43 44   45 45 44
PWind dir        NW       W     W       W     W       S     W       W    NW
Wind char        GN      GN    WY      GN    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1   SC FW FW CL   FW SC FW FW   SC SC FW SC   SC SC FW
PoP 12hr         30      40     5       0     0       0     0       5     5
Rain shwrs     C  C  C    S
Tstms             S

$$
MTZ033-061000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
1257 AM MDT Sat Sep 5 2026

Date           09/04/26      Sat 09/05/26            Sun 09/06/26            Mon
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                      60          94          59          93          62
Temp                      66 61 70 85 92 91 75 70 65 61 69 85 91 88 75 72 68 63
Dewpt                     54 49 49 49 49 48 52 55 55 55 56 59 57 57 58 60 57 55
RH                        65 65 47 29 23 23 45 59 70 81 63 41 32 35 55 66 68 75
Wind dir                   S  W  W  W  W  W  N  E  E  E SE SE SE NE  E SE SE SE
Wind spd                   6  4  4  6  8  8  6  6  4  5  8  9 12 14 18 16 13 11
Wind gust                                                     23
Clouds                    FW FW CL CL CL FW FW FW FW B1 SC SC B1 B2 B2 B2 B2 B2
PoP 12hr                      0           0           5          30          60
QPF 12hr                      0           0           0        0.01        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S     L  L  L  L  C
Tstms                                                       S     S  S


Date           09/07/26  Tue 09/08/26  Wed 09/09/26  Thu 09/10/26  Fri 09/11/26
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          86      50    77      44    81      48    86      50    83
Temp          82 80 61   51 72 69 54   48 74 75 57   53 80 80 61   55 78 76
Dewpt         59 53 50   43 43 42 45   45 42 39 42   41 40 38 42   41 41 40
PWind dir        SW       W     W      NW     W       S    SW       S     W
Wind char        GN      GN    WY      GN    GN      LT    GN      LT    GN
Avg clouds    B1 SC SC   SC FW SC FW   FW SC FW SC   SC SC FW SC   SC SC FW
PoP 12hr         30      30     5       0     0       5     5       5     5
Rain shwrs     C     C
Tstms                S

$$
WYZ199-061000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
1257 AM MDT Sat Sep 5 2026

Date           09/04/26      Sat 09/05/26            Sun 09/06/26            Mon
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                      54          87          54          88          58
Temp                      59 54 63 79 85 85 68 62 57 54 64 79 86 85 71 66 61 58
Dewpt                     37 39 40 40 41 42 45 46 45 43 45 49 48 48 48 49 51 53
RH                        44 57 43 25 21 22 43 56 64 66 50 35 27 28 44 54 70 83
Wind dir                  NW  W NW  N NW  N  W SW  W SW  N NE  N  N  W SW  W  W
Wind spd                  10  2  1  4  4  5  2  1  1  1  1  3  4  4  5  4  6  5
Clouds                    CL FW CL CL FW CL FW CL FW SC FW FW B1 OV OV B2 B2 B1
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C


Date           09/07/26  Tue 09/08/26  Wed 09/09/26  Thu 09/10/26  Fri 09/11/26
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          81      45    75      43    79      47    84      49    81
Temp          77 76 54   45 70 71 51   44 73 76 55   48 79 80 56   50 76 77
Dewpt         52 46 41   38 37 36 39   37 39 39 39   37 37 38 40   41 41 42
PWind dir        NW       W    NW       W    NE      SW    NW       W    NW
Wind char        LT      GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 FW   FW FW CL CL   FW SC FW FW   SC SC FW SC   SC SC FW
PoP 12hr         30      10     0       0     0       0     0       5     5
Rain shwrs        C
Tstms             S

$$