Point Forecast Matrices
Issued by NWS Billings, MT

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Point Forecast Matrices
National Weather Service Billings MT
304 PM MDT Mon Aug 10 2026

MTZ235-111000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
304 PM MDT Mon Aug 10 2026

Date           08/10/26      Tue 08/11/26            Wed 08/12/26            Thu
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                      62          93          62          84          60
Temp             86 78 73 65 62 70 85 91 91 81 72 68 64 67 79 83 81 74 69 63 61
Dewpt            45 46 49 49 49 48 45 39 40 44 44 46 48 51 54 53 53 55 56 56 56
RH               24 32 43 56 62 45 25 16 17 27 37 45 56 56 42 36 38 51 63 78 84
Wind dir          E  E  N NW  W NW NW  N NE NE NE  N NW  N NE NE NE NE NE NE NE
Wind spd          9  8  9  6  8  6  6  9 11 11  8  6  6  6 11 13 14 14 16 14 12
Wind gust                                   21
Clouds           FW FW FW FW FW FW CL CL FW FW SC B2 B2 B1 B1 B1 B2 OV OV OV OV
PoP 12hr                      0           0           0           5          50
QPF 12hr                      0           0           0           0        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  C
Tstms                                                             S  S  S
Obvis             K  K  K  K  K  K  K  K  K  K  K  K


Date           08/13/26  Fri 08/14/26  Sat 08/15/26  Sun 08/16/26  Mon 08/17/26
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          74      57    72      54    76      55    82      57    85
Temp          69 71 62   60 66 70 60   54 70 74 62   57 75 78 64   59 78 82
Dewpt         59 62 61   59 61 60 58   54 59 59 59   56 58 56 57   55 55 53
PWind dir        NE       N     N      NE     E      NE    SW      SW     W
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 OV   OV OV B1 B1   B2 B2 B1 B1   B1 B1 SC B1   SC B1 SC
PoP 12hr         60      90    60      50    30      40    20      30    10
Rain shwrs     C  L  D    D  L  C  C    C     C  C          S  C
Tstms             C  C          S  S          S  S          S  S

$$
MTZ065-111000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
304 PM MDT Mon Aug 10 2026

Date           08/10/26      Tue 08/11/26            Wed 08/12/26            Thu
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                      50          92          52          85          50
Temp             88 72 63 55 50 63 81 90 90 74 65 59 54 62 78 84 79 67 62 55 51
Dewpt            31 36 39 38 37 38 37 33 31 37 41 42 43 43 42 42 45 51 54 53 51
RH               13 27 41 53 61 39 21 13 12 26 41 53 66 50 28 23 30 56 75 93100
Wind dir         NW  N  W NW  W  W NW NW NW  E  E  N  W  W NE  E  E  E  E  E  E
Wind spd         14  6  3  6  6  6  8 13 10  5  4  2  2  3  4 10 17 20 14 11  9
Wind gust                             24                            32 27
Clouds           FW FW FW FW FW CL CL FW FW SC B2 B1 B1 SC B1 B1 B2 OV B2 B1 B2
PoP 12hr                      0           0           0          10          50
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  S  S  C
Tstms                                                             S
Obvis             K  K  K  K  K  K  K  K  K  K  K  K


Date           08/13/26  Fri 08/14/26  Sat 08/15/26  Sun 08/16/26  Mon 08/17/26
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          74      48    73      45    76      45    81      48    82
Temp          67 69 58   53 66 69 55   47 70 72 56   49 74 76 58   49 76 77
Dewpt         51 56 58   53 55 53 55   47 54 52 54   49 51 48 52   49 49 48
PWind dir         E      NE    NW       E    SW      SW     W      SW    SW
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 OV   OV B2 OV B2   B2 B1 B1 B1   B1 SC B1 B1   B1 SC B1
PoP 12hr         70      90    80      70    50      50    40      40    30
Rain shwrs     C  L  D    D  D  D  L    S  S  C  C          C  C          C
Tstms             C  C          C  C          C  S          C  S          C

$$
MTZ032-111000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
304 PM MDT Mon Aug 10 2026

Date           08/10/26      Tue 08/11/26            Wed 08/12/26            Thu
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                      61          93          61          84          58
Temp             87 76 70 63 61 69 85 91 91 79 71 64 61 67 79 82 80 71 66 61 59
Dewpt            52 52 54 56 59 60 59 50 49 50 52 54 56 58 58 57 56 57 57 56 57
RH               30 43 57 78 93 73 41 25 24 36 51 70 84 73 49 43 44 61 73 84 93
Wind dir         NE NE NE NE NE NW NW NW  N NE NE NE NE NE NE NE NE  E NE  E  E
Wind spd         11 11 10  8  5  4  6 10 11  9  6  6  8 10 12 13 16 16 13 12 13
Clouds           CL FW FW FW FW FW CL FW FW FW SC SC OV B1 B2 B2 B1 B2 B2 B2 OV
PoP 12hr                      0           0           0          50          60
QPF 12hr                      0           0           0        0.01        0.15
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  L  L  L
Tstms                                                       S  S  S  S  S  S  S
Obvis             K  K           K  K  K  K  K  K  K


Date           08/13/26  Fri 08/14/26  Sat 08/15/26  Sun 08/16/26  Mon 08/17/26
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          75      55    73      51    75      53    82      56    86
Temp          70 72 62   58 67 70 58   52 68 73 60   55 75 80 63   57 79 84
Dewpt         59 62 61   58 63 61 58   52 58 58 57   54 60 58 58   57 59 56
PWind dir         E       E     N       N    NE       E    SE       E     S
Wind char        GN      BZ    GN      GN    LT      LT    LT      LT    LT
Avg clouds    OV B2 OV   OV OV B2 B1   B1 B1 SC SC   SC B1 SC B1   SC SC SC
PoP 12hr         70      90    70      20    20      20    30      30    10
Rain shwrs     L  L  D    D  L  C  S    S  S          S  C  S  C    S
Tstms          S  C  C          S                     S     S  S

$$
MTZ033-111000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
304 PM MDT Mon Aug 10 2026

Date           08/10/26      Tue 08/11/26            Wed 08/12/26            Thu
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                      57          91          55          82          52
Temp             85 72 66 62 58 70 86 89 85 72 65 61 56 69 78 80 76 65 61 58 53
Dewpt            52 53 56 58 58 59 59 54 52 55 56 56 54 57 56 57 57 56 56 55 52
RH               32 51 70 87100 68 40 30 32 55 73 84 93 66 47 45 52 73 84 90 96
Wind dir          E  E  E  E  E SE SW NW  N  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd         12 12 11  9  6  8  8 10  9  8  6  4  4  9 12 12 14 14 12 12 12
Clouds           FW FW FW SC SC SC SC SC SC FW FW SC SC B1 B2 B2 B2 B2 B2 B2 OV
PoP 12hr                      5          20          20          60          60
QPF 12hr                      0           0           0        0.07        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S                 L  L  C  C  L  L  L
Tstms                                  S  S                 S  S  C  S  S  S  C
Obvis             K     K PF PF  K  K  K  K  K  K  K


Date           08/13/26  Fri 08/14/26  Sat 08/15/26  Sun 08/16/26  Mon 08/17/26
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          72      49    70      46    74      47    79      51    83
Temp          68 68 59   55 65 65 56   51 68 70 56   52 74 74 59   55 79 79
Dewpt         55 57 57   55 59 58 56   51 55 54 54   52 55 54 56   54 56 54
PWind dir         E      SE     S      NW    NW       E    SE      SE     S
Wind char        BZ      BZ    BZ      GN    LT      LT    LT      LT    LT
Avg clouds    OV OV B2   OV OV OV B1   B1 B1 SC SC   SC B1 B1 B1   SC SC SC
PoP 12hr         70      90    80      50    10      30    30      30    20
Rain shwrs     L  L  L    D  D  L  C    S             C  S  C  C    S  S  S
Tstms          C  C  C    C  C  C  S                  S     S  S          S

$$
WYZ199-111000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
304 PM MDT Mon Aug 10 2026

Date           08/10/26      Tue 08/11/26            Wed 08/12/26            Thu
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                      55          92          58          86          55
Temp             87 70 64 58 55 67 84 91 90 74 67 62 60 67 80 85 80 68 64 58 56
Dewpt            41 44 45 44 43 46 46 43 42 48 47 48 48 49 48 50 54 57 59 57 56
RH               20 39 50 59 64 47 27 19 19 40 49 60 64 52 33 30 41 68 84 96100
Wind dir          N  W SW NW  W NW  N  N  N  W SW  N  N NE  N  N  N  E NE  E  N
Wind spd         10  4  3  2  3 10 12 11  6  2  1  0  0  2  8  9  8  5  2  1  0
Clouds           CL FW FW FW FW FW CL CL FW SC SC SC SC B1 B2 B1 B1 B2 B2 B2 B2
PoP 12hr                      0           0           0          30          50
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  C  C  C
Tstms                                                       S  C  C  S
Obvis             K  K  K  K  K  K  K  K  K  K  K  K


Date           08/13/26  Fri 08/14/26  Sat 08/15/26  Sun 08/16/26  Mon 08/17/26
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          75      53    73      49    74      48    79      50    83
Temp          72 71 61   57 69 68 58   50 69 71 58   51 74 76 58   51 78 80
Dewpt         60 62 61   57 62 60 58   50 59 58 57   51 57 55 55   51 52 51
PWind dir         E       W    NW      NW     E      SE    NE      SW    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 OV OV   OV OV OV B2   B1 B1 B2 B1   SC SC B1 SC   SC SC SC
PoP 12hr         90      90    90      60    70      50    40      20    20
Rain shwrs     C  D  D    L  L  D  L    C  C  L  C          C  S          S
Tstms             C  C          C  C          C  C          C  S          S

$$