Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 151944
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
144 PM MDT Wed Oct 15 2025

MTZ235-161000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
144 PM MDT Wed Oct 15 2025

Date           10/15/25      Thu 10/16/25            Fri 10/17/25            Sat
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          48          42          62          37
Temp          45 46 44 43 43 44 42 43 46 47 46 45 43 42 44 56 62 57 49 46 42 38
Dewpt         41 41 41 41 41 41 42 43 44 39 38 33 32 30 30 35 34 36 36 35 32 29
RH            86 83 89 93 93 89100100 93 74 73 62 65 62 57 45 35 45 61 65 67 70
Wind dir      NE  N  N NW NW NW  W  W  W  W  W SW SW  W  W  W  W  W NW  W  W  W
Wind spd       5  5  4  5  6  8  9 11 10 10 12 13 18 19 19 20 20 13 10 11 13 13
Clouds        OV B2 OV B2 OV OV OV OV OV B2 B2 B1 FW SC SC SC SC B1 B2 B2 B1 SC
PoP 12hr                     80          90          20           5          40
QPF 12hr                   0.22        0.22        0.03           0        0.05
Snow 12hr                 00-00       00-00       00-00
Rain                          D  D  L  C  S
Rain shwrs     S  C  L  C  L                                      C  C  C  C


Date           10/18/25  Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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          56      39    67      41    54      32    54      36    56
Temp          49 51 39   39 59 59 47   42 49 50 39   33 46 50 40   36 50 56
Dewpt         30 29 25   26 34 37 33   30 34 32 27   24 30 33 29   27 35 36
PWind dir         W      SW    SW       W     W       W    SW       W     W
Wind char        GN      GN    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC FW FW   SC SC SC B1   B1 B1 B1 SC   SC SC SC SC   B1 B1 SC
PoP 12hr          5       0    20      50    40      20     5       5    10
Rain shwrs                      S  C    C  C  C  S

$$
MTZ065-161000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
144 PM MDT Wed Oct 15 2025

Date           10/15/25      Thu 10/16/25            Fri 10/17/25            Sat
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                      34          47          35          59          29
Temp          46 44 40 37 37 35 35 41 44 46 42 39 35 35 39 53 59 56 45 37 33 29
Dewpt         39 37 37 37 37 35 35 37 36 34 31 29 26 25 27 31 31 30 30 29 26 24
RH            76 76 89100100100100 85 73 63 65 67 69 66 62 43 34 37 55 72 75 81
Wind dir       E  E SW  W  W  W SW  W  W SW  W  W SW SW SW  W  W  W  W  W  W  W
Wind spd       5  4  3  5  5  9  9 12 17 14 16 20 21 21 21 20 21 18 18 17 14 13
Wind gust                                                           28 27
Clouds        B2 OV OV OV OV OV OV OV OV B1 SC FW SC SC SC SC SC B1 B2 B1 B1 B1
PoP 12hr                     60          70           5           5          50
QPF 12hr                   0.13        0.17           0           0        0.05
Snow 12hr                 00-00       00-00       00-00
Rain                          L  L  C
Rain shwrs     L  C  C  S  C                                      C  C  C  C
Snowshwrs                                                                  C
Obvis         PF PF PF
Wind chill                                     28 24 24 28
Min chill                    28    27          28    23    24          27    19


Date           10/18/25  Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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          54      34    63      31    49      25    53      29    53
Temp          46 52 36   34 58 56 39   31 42 46 31   25 46 50 35   29 47 53
Dewpt         26 27 24   25 35 36 28   24 28 27 23   20 28 30 25   24 30 31
PWind dir         W      SW    SW       W     W      SW    SW      SW     W
Wind char        GN      BZ    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC FW SC   SC SC B1 B2   B2 B1 B1 SC   SC SC SC SC   B1 B1 SC
PoP 12hr          0       0    40      70    50      20     5      10    10
Rain shwrs                      C  L    L  C  C  S
Snowshwrs                                  C     S

$$
MTZ032-161000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
144 PM MDT Wed Oct 15 2025

Date           10/15/25      Thu 10/16/25            Fri 10/17/25            Sat
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                      45          49          41          59          36
Temp          52 51 48 48 47 47 46 48 48 46 43 44 43 41 45 56 59 54 46 44 40 36
Dewpt         47 48 48 48 47 46 46 47 47 43 41 41 38 34 35 37 36 36 37 38 35 31
RH            83 89100100100 96100 96 96 89 93 89 82 76 68 49 42 50 71 79 82 82
Wind dir       E  E NE NE  N  N  N NW NW  W  W  W  W  W  W  W NW NW  W  W  W NW
Wind spd      10  9  9  6  8 10 10 11 13 13 14 13 14 14 20 26 26 18 12 11 13 13
Wind gust                                                  37 37
Clouds        OV OV OV OV OV OV OV OV OV OV OV OV B1 SC SC FW FW SC B1 B2 B1 B1
PoP 12hr                     80         100          80          10          30
QPF 12hr                   0.20        0.75        0.26           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain                          D  D  D  D  D  D  C  C
Rain shwrs     C  L  L  D  D                                      C  C  C  C
Tstms             S  S     S
Obvis               PF PF PF PF


Date           10/18/25  Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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          54      34    66      39    56      32    57      34    57
Temp          50 49 35   34 59 60 47   39 53 52 41   32 50 51 38   34 51 57
Dewpt         34 31 26   26 36 38 35   30 36 36 30   26 33 32 28   27 35 35
PWind dir        NW      SW    SW       W    NW       W     W      SW     W
Wind char        BZ      GN    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    SC FW FW   FW SC SC B1   B1 B1 SC SC   SC SC FW SC   B1 B1 SC
PoP 12hr          0       0     5      30    20      10     5       5     5
Rain shwrs                         C    C  S  S

$$
MTZ033-161000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
144 PM MDT Wed Oct 15 2025

Date           10/15/25      Thu 10/16/25            Fri 10/17/25            Sat
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          48          38          58          33
Temp          50 48 44 44 43 43 45 47 47 46 40 38 39 38 43 54 58 52 39 37 36 33
Dewpt         45 45 44 44 43 43 45 46 44 43 40 38 38 35 37 36 36 35 32 30 31 29
RH            83 89100100100100100 96 89 89100100 96 89 79 50 44 52 76 75 82 85
Wind dir       E SE  E  E NE  N NW NW NW  W  W  W  W  W  W  W  W  W  W  W  W NW
Wind spd      17 16 13  9  8  8 10 13 14 17 18 18 18 18 24 28 29 24 16 13 13 14
Wind gust                                            28    40 41
Clouds        B2 OV OV OV OV OV OV OV OV OV OV OV OV B1 SC SC SC SC B1 B2 B2 B1
PoP 12hr                     90          90          90          10          20
QPF 12hr                   0.26        0.77        0.27           0        0.06
Snow 12hr                 00-00       00-00       00-00
Rain                          D  D  D  D  D  D  L  L
Rain shwrs     C  L  C  C  D                                            S  S
Tstms             S  S
Obvis            PF PF PF PF PF


Date           10/18/25  Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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          53      29    65      35    56      30    56      31    56
Temp          47 46 30   31 58 56 40   35 53 51 35   30 52 50 35   31 52 56
Dewpt         30 27 22   22 32 34 31   29 36 34 28   26 32 30 28   25 34 33
PWind dir        NW       W     S      SW     W       W     W      SW     W
Wind char        BZ      GN    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC FW FW   FW FW FW SC   SC SC SC SC   SC SC FW SC   SC B1 SC
PoP 12hr          0       0     0      20    10      10     5       5     5
Rain shwrs                         S    S

$$
WYZ199-161000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
144 PM MDT Wed Oct 15 2025

Date           10/15/25      Thu 10/16/25            Fri 10/17/25            Sat
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                      39          47          32          62          34
Temp          46 45 41 41 40 40 42 45 47 46 40 38 34 32 41 59 61 56 44 39 37 34
Dewpt         38 41 41 40 39 40 42 43 43 42 38 38 34 31 35 37 35 35 31 31 31 28
RH            73 86100 96 96100100 93 86 86 92100100 96 79 44 38 45 60 73 79 78
Wind dir       N NW NW NW NW NW NW NW NW NW SW SW SW SW  W NW NW NW  W  W NW NW
Wind spd       5  5  6  5  6 10 11 14 13 10  6  5  8  9 10 17 19 12 10 10 10 11
Clouds        B2 B2 OV OV OV OV OV OV OV OV B2 B2 B1 SC FW SC SC B1 B1 B2 B2 B1
PoP 12hr                     90         100          50           5          60
QPF 12hr                   0.12        0.30        0.06           0        0.18
Snow 12hr                 00-00       00-00       00-00
Rain                          D  D  D  L  C  C  S  S
Rain shwrs     C  D  L  D  L                                      C  C  L  L
Tstms             S  S     S
Obvis            PF PF PF


Date           10/18/25  Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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          52      29    70      33    54      26    55      29    55
Temp          48 47 31   30 64 60 41   33 52 49 32   26 51 50 33   29 50 55
Dewpt         27 28 22   22 37 39 34   29 35 34 28   23 31 33 27   25 33 33
PWind dir        NW      SW     S       W    NW       W     S       W    NW
Wind char        GN      LT    LT      GN    GN      GN    LT      LT    LT
Avg clouds    SC FW FW   FW FW SC B1   B1 B1 B1 B1   SC FW FW SC   SC B1 SC
PoP 12hr         10       0     5      50    50      30    10      10    10
Rain shwrs                         C    C  C  C  C    S
Snowshwrs                                             S

$$