Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 300729
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Point Forecast Matrices
National Weather Service Billings MT
128 AM MDT Tue Sep 30 2025

MTZ235-302200-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
128 AM MDT Tue Sep 30 2025

Date             Tue 09/30/25            Wed 10/01/25            Thu 10/02/25
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                      84          54          77          53          75
Temp          60 57 61 76 82 79 67 63 59 56 57 71 77 75 65 60 56 53 56 69 74 71
Dewpt         47 46 47 49 48 49 49 49 48 46 45 46 43 41 41 40 40 40 43 46 46 45
RH            62 67 60 39 31 35 52 60 67 69 64 41 30 29 41 47 55 61 62 44 37 39
Wind dir      SW SW SW SW SW  W NW SW SW SW SW  W SW SW SW SW SW  W  W  W NW  N
Wind spd       5  8  8 10 10  9  9  9  9  9  9 11  9  5  5  6  8  8  5  6  6  6
Clouds        FW B1 B2 SC FW B1 B2 SC SC SC SC FW FW FW SC SC SC SC SC SC B1 B1
PoP 12hr                     20          30           0           0          10
QPF 12hr                      0        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  S                                            C


Date               Fri 10/03/25  Sat 10/04/25  Sun 10/05/25  Mon 10/06/25
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            52    65      47    63      40    52      36    55
Temp          58   53 58 64 53   47 59 61 49   43 46 51 42   37 47 54
Dewpt         47   46 46 45 44   41 42 40 39   37 37 36 35   32 35 37
PWind dir           N     N      NW    NW       N     N       E    NW
Wind char          LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    B2   B2 OV B2 B1   B1 B1 B1 B2   B2 B2 B1 B2   B1 B1 SC
PoP 12hr           50    40      20    20      40    40      30    20
Rain shwrs     C    C  C  S  S       S  S  C    C  C  C  C    C  S  S

$$
MTZ065-302200-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
128 AM MDT Tue Sep 30 2025

Date             Tue 09/30/25            Wed 10/01/25            Thu 10/02/25
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                      74          45          72          45          70
Temp          53 51 56 70 74 70 60 56 51 47 52 67 71 69 59 54 50 46 51 64 69 65
Dewpt         45 44 44 46 43 40 41 42 43 41 41 41 38 36 38 40 40 41 43 43 41 43
RH            74 77 64 42 33 33 49 59 74 79 66 39 30 30 45 59 68 83 74 46 36 45
Wind dir       W  W  W SW SW SW SW  W  W  W SW SW SW SW SW SW SW SW SW  W  W  W
Wind spd      10 10 13 18 17 14 17 18 14 12 14 17 18 17 16 16 13 10 10 11 11  9
Wind gust              28 27    27 28 25          28    26
Clouds        B2 B1 SC B1 B1 B1 SC SC B1 FW FW SC SC SC SC SC SC B1 B1 B1 B1 B2
PoP 12hr                     20          20           5          20          40
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S                             S  S  C  C  C  C  L


Date               Fri 10/03/25  Sat 10/04/25  Sun 10/05/25  Mon 10/06/25
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            42    60      37    61      32    49      26    53
Temp          51   43 54 59 46   38 56 57 42   33 43 48 34   27 45 50
Dewpt         44   42 44 39 39   36 38 32 36   32 32 32 30   27 32 31
PWind dir           W    NW       W     W       W    NE       E    SE
Wind char          LT    LT      GN    GN      GN    GN      LT    LT
Avg clouds    B2   OV B2 B1 SC   SC SC B1 B2   B2 B2 B1 B1   B1 SC SC
PoP 12hr           70    50      20    20      40    40      40    20
Rain shwrs     L    L  C  C  S    S     S  C    C  C  C  C    C  S  S
Snowshwrs                                                     C  S

$$
MTZ032-302200-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
128 AM MDT Tue Sep 30 2025

Date             Tue 09/30/25            Wed 10/01/25            Thu 10/02/25
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          55          81          52          81
Temp          61 57 62 79 85 83 72 66 62 57 61 76 81 77 66 60 56 52 59 75 80 77
Dewpt         50 48 48 49 47 48 48 51 52 50 50 49 44 41 42 42 41 41 42 43 42 42
RH            67 72 60 35 27 30 42 58 70 77 67 39 27 28 42 51 57 66 53 32 26 29
Wind dir      SE SE  S SW SW NW NW  W  W  W  W  W  W  W  S SE  S SW  W  W NW  N
Wind spd       5  5  5  5  4  3  4  9  8  6  6  9  8  5  3  4  4  4  5  6  6  6
Clouds        FW FW CL FW B1 SC SC B2 B1 SC SC CL CL FW FW FW FW FW FW FW FW FW
PoP 12hr                     10          20           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  S
Tstms                            S  S


Date               Fri 10/03/25  Sat 10/04/25  Sun 10/05/25  Mon 10/06/25
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            52    71      47    67      42    58      35    57
Temp          60   53 66 68 53   47 64 62 51   43 54 55 43   35 53 55
Dewpt         43   45 45 43 44   42 46 43 40   37 37 32 32   31 34 33
PWind dir           N    NE      NE    NW      NW    NW      NW     W
Wind char          LT    GN      LT    LT      GN    GN      GN    LT
Avg clouds    SC   B2 B2 B2 B1   B1 B1 B1 B2   B1 B1 B1 B2   B1 B1 SC
PoP 12hr           30    20      20    20      30    20      20    10
Rain shwrs          C  S     S    S     S  C    C  S     S    S

$$
MTZ033-302200-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
128 AM MDT Tue Sep 30 2025

Date             Tue 09/30/25            Wed 10/01/25            Thu 10/02/25
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          52          80          50          81
Temp          60 57 64 80 86 82 67 61 58 56 60 74 79 76 60 55 53 51 61 77 81 77
Dewpt         52 48 51 49 46 47 48 47 48 48 50 49 45 44 43 43 43 42 45 43 40 41
RH            75 72 63 34 25 29 50 60 69 74 69 41 30 32 53 64 69 71 56 30 23 28
Wind dir      SE SE SE  S  S  S SE  S  W  W  W  W  W  W  S  S  S  S SW  W NW NW
Wind spd      11 12 13 17 14 10  5  4  8 10 10 11 10  5  3  4  5  6  8 11 10  8
Clouds        FW FW CL CL FW SC FW SC SC SC SC FW CL CL FW FW FW FW CL CL FW FW
PoP 12hr                      5          20           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S
Tstms                                  S


Date               Fri 10/03/25  Sat 10/04/25  Sun 10/05/25  Mon 10/06/25
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    73      44    67      39    58      32    57
Temp          56   49 69 68 50   45 64 62 47   40 53 56 39   33 53 54
Dewpt         41   41 45 44 44   41 45 43 42   35 36 33 31   28 32 31
PWind dir           N    NE      NE    SW      NW    NW      NW     W
Wind char          GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC   B1 B2 B2 B1   B1 B1 B1 B2   B2 B1 B1 B1   B1 SC SC
PoP 12hr           20    10      20    10      30    20      20    10
Rain shwrs          S        S    S        C    C  S          S

$$
WYZ199-302200-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
128 AM MDT Tue Sep 30 2025

Date             Tue 09/30/25            Wed 10/01/25            Thu 10/02/25
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          47          77          45          80
Temp          52 50 59 79 82 77 61 56 51 49 56 73 76 74 58 53 48 46 56 74 79 74
Dewpt         44 43 44 45 44 47 47 48 46 44 42 42 41 42 40 38 37 37 39 41 40 41
RH            74 77 57 30 26 35 60 74 83 83 59 33 28 32 51 57 65 71 53 30 25 30
Wind dir       S SW  S  E SE  S  W  W  W  W SW  N  W NE SW SW SW SW  W NE NE NE
Wind spd       5  4  3  2  3  2  6  8  5  4  3  3  3  2  4  4  4  3  2  3  4  3
Clouds        CL FW SC SC SC B1 B1 SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC
PoP 12hr                     20          30           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  S                                            S
Tstms                         S


Date               Fri 10/03/25  Sat 10/04/25  Sun 10/05/25  Mon 10/06/25
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    70      40    63      33    51      29    54
Temp          52   44 64 64 47   41 59 57 42   34 47 47 35   30 48 50
Dewpt         41   40 43 43 42   41 43 43 40   34 38 35 34   30 36 36
PWind dir          NW    NW       W    NW      NW    NW       W    NE
Wind char          LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC   B1 B1 B1 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B1 B1
PoP 12hr           30    30      30    30      40    40      40    30
Rain shwrs     S    C  C  C  C    S  S  C  C    C  C  C  C    C  C  S
Snowshwrs                                                     C  C

$$