Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 101148
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Point Forecast Matrices
National Weather Service Billings MT
548 AM MDT Wed Sep 10 2025

MTZ235-102200-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
548 AM MDT Wed Sep 10 2025

Date             Wed 09/10/25            Thu 09/11/25            Fri 09/12/25
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                      86          60          83          54          81
Temp             58 62 76 84 82 74 68 64 60 63 75 82 75 65 61 57 55 60 72 78 75
Dewpt            45 48 48 48 48 49 49 49 50 52 50 48 51 53 53 51 49 51 51 48 48
RH               62 60 37 29 31 41 51 58 69 67 41 31 43 65 75 80 80 72 48 35 38
Wind dir          W  W SE  E SE NW NW  W  W  W  W NW  W  W  W  W SW SW  W NE  E
Wind spd          4  3  3  5  6  4  5  6  8  6  6  6  9  6  5  5  5  4  5  5  8
Clouds           SC B1 B1 SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1
PoP 12hr                      5          20          50          30          30
QPF 12hr                      0           0        0.10        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S           S  S  C  C  C  C              C  C  C
Tstms                         S                    S  S                       S
Obvis             H


Date               Sat 09/13/25  Sun 09/14/25  Mon 09/15/25  Tue 09/16/25
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            55    74      54    76      53    79      54    75
Temp          62   56 67 70 61   55 69 73 61   55 69 75 63   56 66 71
Dewpt         51   50 53 52 51   49 51 48 49   47 49 48 49   49 52 52
PWind dir           N    NW       W     W      SW     W       N     N
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B1 B1 B2 B2   B2 B1 SC SC   SC SC SC B1   SC B1 B1
PoP 12hr           50    60      30    20      10    20      30    40
Rain shwrs     C    C  C  L  C    S  S  S             S  C    S  S  C
Tstms          S       S  S  S

$$
MTZ065-102200-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
548 AM MDT Wed Sep 10 2025

Date             Wed 09/10/25            Thu 09/11/25            Fri 09/12/25
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                      83          51          78          44          75
Temp             48 57 72 80 78 67 60 56 52 58 70 76 70 60 55 49 47 56 68 72 69
Dewpt            44 46 44 41 42 44 43 43 44 49 45 44 46 45 44 42 42 45 43 41 42
RH               86 67 37 25 28 43 53 62 74 72 41 32 42 58 66 77 83 66 40 33 37
Wind dir          W NW  E  E  E  E  E  W  W SW SW  W  S  S SW SW  W  W  W  W  W
Wind spd          3  3  4  6  9  5  5  5  5  6  8  9  9  6  8  6  5  6  6  8  8
Clouds           SC B1 B1 B2 B1 B2 B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 B1
PoP 12hr                     20          20          70          30          40
QPF 12hr                      0           0        0.13        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S           S  C  C  L  L  C  C              C  C  C
Tstms                      S                    S  S  S                 S  S  S


Date               Sat 09/13/25  Sun 09/14/25  Mon 09/15/25  Tue 09/16/25
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    72      44    74      44    76      45    73
Temp          54   47 65 66 54   46 67 70 55   46 68 70 56   47 64 65
Dewpt         44   44 45 45 45   43 43 41 43   41 41 42 44   44 46 46
PWind dir           W     W      SW    SW      SW    SW      SW    NW
Wind char          LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1   B1 B1 B2 B2   B1 SC B1 B1   SC SC B1 B1   B1 B1 B1
PoP 12hr           40    50      30    30      20    30      30    40
Rain shwrs     C    S  C  C  C          C  S          C  C    C  C  C
Tstms          S          S  S                        S  S          S

$$
MTZ032-102200-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
548 AM MDT Wed Sep 10 2025

Date             Wed 09/10/25            Thu 09/11/25            Fri 09/12/25
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                      90          60          89          56          84
Temp             60 68 82 88 88 77 70 66 62 68 82 88 85 72 66 60 57 64 76 82 80
Dewpt            49 54 55 53 54 58 58 56 56 57 56 54 55 57 57 57 56 58 55 52 51
RH               67 61 40 30 31 52 66 70 81 68 41 31 36 59 73 90 96 81 48 35 36
Wind dir         NE  E SE SE SE  E  E  E  E SE SW  W NW NW NW  W  W  W  W NW NE
Wind spd          8 10 12 11 10 10  9  6  5  5  6  6  9  8  6  5  5  5  5  5  6
Clouds           B1 FW SC SC SC B1 SC SC B1 SC SC SC B1 B1 SC SC SC FW SC SC B2
PoP 12hr                     20          20          10          30          20
QPF 12hr                      0           0           0        0.09           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S              S                    C  C              S  S  L
Tstms                            S                    S  S                    S
Obvis             H  H


Date               Sat 09/13/25  Sun 09/14/25  Mon 09/15/25  Tue 09/16/25
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            56    73      54    75      53    80      54    77
Temp          63   59 68 69 59   57 70 74 60   54 74 77 61   55 71 72
Dewpt         56   57 59 58 56   56 55 52 51   50 52 49 52   51 55 53
PWind dir          NE     N      SE     W       S    SW      NE    NE
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B2   B2 B2 SC SC   SC SC FW SC   SC SC SC
PoP 12hr           70    70      60    30      20    20      20    20
Rain shwrs     L    L  L  L  L    C  C  S  S    S        S    S  S  S
Tstms          S    C  S  S  S             S

$$
MTZ033-102200-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
548 AM MDT Wed Sep 10 2025

Date             Wed 09/10/25            Thu 09/11/25            Fri 09/12/25
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                      87          58          90          54          83
Temp             56 66 79 85 83 71 67 64 60 68 83 89 85 69 63 60 57 65 76 82 80
Dewpt            51 56 55 54 56 56 57 58 56 58 57 55 56 57 57 56 56 58 55 52 53
RH               83 70 44 35 40 59 70 81 87 70 41 32 37 66 81 87 96 78 48 35 39
Wind dir          E SE SE SE SE SE SE SE SE SE  S  S SE SE  S SW  W  W NW  N NE
Wind spd         12 17 20 21 21 19 17 13 12 13 13 13 11 10  6  5  5  6  9  8  9
Wind gust              31 32    29
Clouds           SC SC SC SC B1 SC B1 B1 B1 SC SC SC SC SC SC SC B1 SC SC SC B1
PoP 12hr                     20          20          10          30          10
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S              S                    S  S                    C
Tstms                            S                    S  S                    C
Obvis             H  H  H  H


Date               Sat 09/13/25  Sun 09/14/25  Mon 09/15/25  Tue 09/16/25
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            54    73      51    75      50    78      51    77
Temp          61   59 67 68 56   54 69 71 57   53 73 75 58   53 71 72
Dewpt         55   57 58 57 55   54 53 52 51   49 49 50 51   50 53 53
PWind dir          NE    NE       W    SW       S    SW       E     E
Wind char          LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    B1   B2 B2 B2 B2   B2 B2 B1 B1   SC SC FW SC   SC SC SC
PoP 12hr           70    70      60    30      20    10      20    20
Rain shwrs     C    L  L  L  L    C  C  S  S    S             S  S  S
Tstms          C    C  C  C  S          S  S

$$
WYZ199-102200-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
548 AM MDT Wed Sep 10 2025

Date             Wed 09/10/25            Thu 09/11/25            Fri 09/12/25
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                      87          54          85          49          81
Temp             52 61 77 85 84 68 62 58 54 63 79 83 80 62 57 52 50 60 74 77 74
Dewpt            45 47 47 47 46 48 46 43 44 46 45 47 46 50 49 45 45 47 49 49 50
RH               77 60 35 27 27 49 56 57 69 54 30 28 30 65 75 77 83 62 41 37 43
Wind dir          W NW  E  E  S  W SW  S SW SW NE  N  N  W  W SW SW  S  E  E NE
Wind spd          2  2  3  3  3  5  5  5  5  3  5  5  5  5  4  3  2  2  4  4  4
Clouds           B1 SC SC SC FW B1 SC SC B1 B1 SC SC SC SC SC SC SC SC B1 B1 B2
PoP 12hr                      5          10          20          20          40
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  S  S              C  C  L
Tstms                                                                      S  C


Date               Sat 09/13/25  Sun 09/14/25  Mon 09/15/25  Tue 09/16/25
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            48    70      45    75      46    80      48    75
Temp          56   50 65 66 52   48 69 71 54   47 73 75 55   49 69 70
Dewpt         50   49 53 51 49   46 47 45 44   41 44 46 44   43 48 49
PWind dir           W    NW       W    NW      SW    NW       W     N
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B2   B1 B1 SC SC   SC FW FW SC   SC B1 B1
PoP 12hr           70    70      40    20      10    20      30    40
Rain shwrs     L    C  L  L  C    S  S  S                C    S  C  C
Tstms          C    S     C  S

$$