Point Forecast Matrices
Issued by NWS Billings, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7
842
FOUS55 KBYZ 141030
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
429 AM MDT Fri Aug 14 2026

MTZ235-142200-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
429 AM MDT Fri Aug 14 2026

Date             Fri 08/14/26            Sat 08/15/26            Sun 08/16/26
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                      72          57          75          56          83
Temp             60 61 67 71 70 64 62 61 58 59 67 73 73 67 63 59 57 62 75 82 81
Dewpt            57 60 58 58 61 60 59 59 56 58 60 60 59 58 57 55 54 57 59 56 56
RH               90 97 73 63 73 87 90 93 93 96 78 64 62 73 81 87 90 84 58 41 42
Wind dir         NW NW  N NE NE NE  N  N NE NE  E  E  E  E SW NW SW SW SW  W  W
Wind spd          6  5  5  8  9  5  5  4  4  4  5  8  8  5  5  3  3  5  5  5  5
Clouds           OV OV B1 SC B2 B2 B2 B1 B2 B1 B1 SC B1 B2 B2 B1 SC FW FW FW B1
PoP 12hr                     40          60          30          40           5
QPF 12hr                      0        0.12        0.01        0.06           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S  S  S  L  C  C  S  S        S  C  C  C  C              C
Tstms                      S  S                    S  S  S                    S
Obvis            PF


Date               Mon 08/17/26  Tue 08/18/26  Wed 08/19/26  Thu 08/20/26
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            58    86      58    78      55    79      56    83
Temp          66   59 80 82 65   60 73 74 62   56 73 76 63   57 76 81
Dewpt         55   52 56 54 57   56 56 57 57   54 55 53 52   51 52 50
PWind dir          SW     W       W     W      NW    SW      NW     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B1 B1 SC B2   OV OV B1 B1   B1 B1 SC B1   B1 B1 SC
PoP 12hr           30    10      60    40      40    20      30    10
Rain shwrs     C             L    C  C  C  C          S  C
Tstms          S             S          S  S             S

$$
MTZ065-142200-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
429 AM MDT Fri Aug 14 2026

Date             Fri 08/14/26            Sat 08/15/26            Sun 08/16/26
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                      71          45          77          45          82
Temp             55 57 67 68 65 57 54 52 49 53 67 74 73 64 57 51 46 56 74 81 79
Dewpt            55 56 53 52 53 54 54 52 49 53 53 54 51 54 53 51 46 50 51 48 46
RH              100 96 61 57 65 90100100100100 61 50 46 70 86100100 80 44 32 31
Wind dir          E NW  N  S SW  S  N  N  E  E  E  E  E SW SW  W SW  W  W  W  W
Wind spd          2  4  5  8  4  4  2  2  1  2  3  3  4  4  3  3  4  5  5  8  6
Clouds           B2 B2 B1 B2 B2 B2 B1 B1 B1 SC B1 B1 B2 B2 B1 SC FW FW FW FW B1
PoP 12hr                     60          70          40          50          10
QPF 12hr                   0.11        0.35           0        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  L  L  C  S        S  C  C  C  C                    C
Tstms                S  C  C  C  S              S  C  C                       S
Obvis            PF             PF


Date               Mon 08/17/26  Tue 08/18/26  Wed 08/19/26  Thu 08/20/26
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            48    84      47    77      44    78      45    81
Temp          60   49 77 78 60   51 70 72 56   45 70 74 57   47 73 78
Dewpt         49   46 49 48 54   51 51 49 52   45 49 45 48   47 47 44
PWind dir          SW     W       W     W      SW     W      SW     W
Wind char          LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1   B1 B1 B1 B2   OV B2 B2 B2   B1 B1 B1 B1   B1 SC SC
PoP 12hr           30    20      80    60      60    30      20    20
Rain shwrs     C          S  D    C  C  L  L    S     C  S    S     S
Tstms          S          S  C          C  S          C  S          S

$$
MTZ032-142200-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
429 AM MDT Fri Aug 14 2026

Date             Fri 08/14/26            Sat 08/15/26            Sun 08/16/26
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                      75          55          76          53          84
Temp             64 64 70 74 73 66 62 59 57 60 68 73 75 66 61 56 54 61 75 81 83
Dewpt            61 63 64 63 63 61 60 58 57 57 59 60 58 56 55 53 53 54 60 60 58
RH               90 97 81 69 71 84 93 96100 90 73 64 55 70 81 90 96 78 60 49 43
Wind dir         NE  N NW NW NW NW  N NW NW NW NW  N  N NE  E  E  E SE SE  S NW
Wind spd          6  5  9 11 12  6  5  4  4  4  6  6  6  4  4  3  3  4  5  4  3
Clouds           B2 B1 B1 B2 B1 B1 SC SC B2 B1 SC SC FW SC SC SC B1 SC FW FW FW
PoP 12hr                     50           5          10          20          20
QPF 12hr                   0.06           0           0        0.02        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C                                S  S  S  S
Tstms                   S  S
Obvis            PF


Date               Mon 08/17/26  Tue 08/18/26  Wed 08/19/26  Thu 08/20/26
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            57    88      58    79      53    80      54    84
Temp          66   58 80 86 67   60 74 76 61   54 73 78 62   55 77 81
Dewpt         57   55 57 53 57   57 59 57 58   54 57 53 54   53 56 52
PWind dir           E     W       N     N      NE     N       E    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   SC B1 SC B1   B2 B2 B1 B1   SC B1 SC SC   SC B1 B1
PoP 12hr            5     5      40    40      40    20      20    20
Rain shwrs                   C    C  C  C  C    S  S  S  S    S  S  S
Tstms                        S          S  S             S          S

$$
MTZ033-142200-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
429 AM MDT Fri Aug 14 2026

Date             Fri 08/14/26            Sat 08/15/26            Sun 08/16/26
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                      75          52          76          49          82
Temp             64 68 72 73 71 63 60 56 53 60 69 73 71 62 57 54 50 63 75 79 80
Dewpt            62 63 63 61 60 59 58 56 53 55 56 56 53 52 52 51 48 51 55 55 54
RH               93 84 73 66 68 87 93100100 84 63 55 53 70 83 90 93 65 50 44 41
Wind dir         SE SE SW  W NW NW  W NW NW NW NW NW  N NE  E  N SE SE  S  S  S
Wind spd         11 11 10 13 12 10  8  9  8 10 12 11 10  5  3  0  2  6  5  5  6
Wind gust                                         21
Clouds           B2 B2 B2 B1 B1 B1 SC B1 OV B2 SC SC SC SC FW SC SC SC FW SC SC
PoP 12hr                     60          30           0           5          10
QPF 12hr                   0.07        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  C  L  C  C                                               S
Tstms                   S  C  S                                               S
Obvis                           PF


Date               Mon 08/17/26  Tue 08/18/26  Wed 08/19/26  Thu 08/20/26
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            53    88      54    79      50    79      50    83
Temp          63   55 83 83 64   58 74 73 58   53 72 74 58   54 77 77
Dewpt         56   52 53 50 55   55 57 54 56   53 55 50 53   52 52 49
PWind dir           S     W       N    NE       E     W      SE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW SC SC B1   B2 B2 B2 B1   B1 B1 SC SC   SC B1 SC
PoP 12hr           20    10      40    50      40    30      20    30
Rain shwrs     S             C    C  C  C  C    C  C  S  S    S     C
Tstms          S             S    S  S  C  C    S     S  S          S

$$
WYZ199-142200-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
429 AM MDT Fri Aug 14 2026

Date             Fri 08/14/26            Sat 08/15/26            Sun 08/16/26
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                      74          50          73          48          80
Temp             59 62 71 73 70 62 57 56 54 57 66 71 71 61 57 52 49 59 73 78 79
Dewpt            59 60 60 59 59 59 57 56 54 56 60 60 58 57 56 52 49 53 56 56 55
RH              100 93 68 62 68 90100100100 96 81 68 63 87 96100100 80 55 47 44
Wind dir         NW NW NW  N NW NW  W  N  N NE  E  E  E  S  S  N  N  N NE  N NE
Wind spd          8  9  9  8  6  3  1  0  0  2  3  3  3  2  1  0  0  0  2  3  3
Clouds           B2 B1 SC B1 B1 B1 B2 B1 B2 B1 B2 B1 B1 B1 SC FW SC FW FW FW FW
PoP 12hr                     30          50          70          40          10
QPF 12hr                   0.01        0.04        0.13        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  S  C  C  C  C     S  S  C  C  C  C
Tstms                   S  C  C  S           S  C  C  C  S
Obvis            PF             PF


Date               Mon 08/17/26  Tue 08/18/26  Wed 08/19/26  Thu 08/20/26
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    84      51    78      49    78      48    82
Temp          58   50 80 80 59   53 75 73 58   50 72 74 57   50 75 79
Dewpt         53   48 52 50 53   52 54 54 55   50 53 52 52   49 50 49
PWind dir          SW     N       W    NW       W    NE      SW     N
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   FW SC SC B1   B2 B2 B1 B1   SC B1 B1 SC   SC B1 SC
PoP 12hr           10    10      30    50      40    30      20    20
Rain shwrs                   C    C  C  C  C          C  S          S
Tstms                        S          C  S          S  S          S

$$