Point Forecast Matrices
Issued by NWS Billings, MT

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Point Forecast Matrices
National Weather Service Billings MT
402 PM MDT Mon Aug 18 2025

MTZ235-191000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
402 PM MDT Mon Aug 18 2025

Date           08/18/25      Tue 08/19/25            Wed 08/20/25            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                      64         101          67         101          66
Temp             89 81 74 68 64 73 91 99 99 87 78 70 67 78 94101 97 85 75 69 66
Dewpt            52 52 52 51 48 50 49 40 37 41 42 40 38 46 45 43 45 48 51 50 50
RH               28 37 46 54 56 44 24 13 12 20 28 33 34 32 19 14 17 28 43 51 56
Wind dir          S  E NE NW SW SW SW  S SE  E SE SW SW SW  W NW  N  N  N NW NW
Wind spd          6  5  5  4  5  8  5  5  6  6  5  8  9  9  8  9 10  8  6  6  8
Clouds           B1 SC FW FW FW CL CL CL FW FW FW FW FW FW FW SC SC SC SC SC SC
PoP 12hr                     20           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S
Tstms             S
Heat                             Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date           08/21/25  Fri 08/22/25  Sat 08/23/25  Sun 08/24/25  Mon 08/25/25
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          85      59    81      57    84      57    87      59    88
Temp          80 83 68   59 73 80 66   57 75 83 67   57 76 86 69   59 80 87
Dewpt         53 53 50   46 50 48 43   42 49 47 45   43 50 49 48   46 51 49
PWind dir         N      NE    NE      NE    NE      NE    NE      NE     N
Wind char        GN      GN    GN      GN    LT      GN    LT      GN    LT
Avg clouds    SC FW FW   FW FW FW FW   FW FW FW SC   SC SC FW SC   SC SC SC
PoP 12hr         10      10    10       5     0       5     5      10    10

$$
MTZ065-191000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
402 PM MDT Mon Aug 18 2025

Date           08/18/25      Tue 08/19/25            Wed 08/20/25            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                      56          98          59          96          56
Temp             88 74 66 59 56 71 90 98 97 80 71 64 59 75 93 96 92 77 68 61 56
Dewpt            43 47 45 43 41 43 38 32 31 36 33 32 32 39 39 38 42 45 46 45 44
RH               21 38 47 55 57 36 16 10 10 20 25 30 36 27 15 13 18 32 45 56 64
Wind dir         NE  E  S  W NW  W SW  W SE  E  S SW  W  W  W  W  W  N  W  W  W
Wind spd          8  6  5  6  6  8 10  8  8  8  9 10 10 10 12 13 11  9  5  5  5
Clouds           SC SC FW FW FW CL FW FW FW FW FW FW FW FW SC SC SC B1 SC SC FW
PoP 12hr                     20           0           0           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S
Tstms             S


Date           08/21/25  Fri 08/22/25  Sat 08/23/25  Sun 08/24/25  Mon 08/25/25
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          86      51    82      49    85      51    88      54    87
Temp          79 84 62   51 74 80 61   49 75 83 62   51 79 86 64   54 81 86
Dewpt         48 47 48   47 49 46 46   44 45 41 45   42 45 43 46   45 45 42
PWind dir         N       E     E       E     E       E     E      SE     W
Wind char        LT      GN    GN      GN    LT      GN    LT      GN    LT
Avg clouds    FW FW FW   FW FW FW FW   FW FW FW SC   SC FW SC SC   SC SC SC
PoP 12hr         10      10    10       5     0       5    10      20    20
Rain shwrs                                                     S          S
Tstms                                                          S          S

$$
MTZ032-191000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
402 PM MDT Mon Aug 18 2025

Date           08/18/25      Tue 08/19/25            Wed 08/20/25            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                      67         102          73         103          70
Temp             91 81 74 71 67 78 94101101 87 81 77 73 84 96102101 87 79 74 70
Dewpt            54 55 56 56 56 58 56 48 48 51 55 53 52 56 53 48 50 51 54 55 55
RH               29 41 53 59 68 50 28 17 17 29 41 43 48 38 24 16 18 29 42 51 59
Wind dir          E NE  E SE  E SE SE SE SE SE SE SE SE  S SW  W NW  N  N  N  N
Wind spd          4  5  5  4  5  6  9  8  9 11 11 10  9 10 10 10 10  9  8  9 10
Wind gust                                   21 23
Clouds           CL FW FW FW FW CL CL FW FW FW FW FW FW FW FW FW FW B1 B1 SC SC
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat                             Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date           08/21/25  Fri 08/22/25  Sat 08/23/25  Sun 08/24/25  Mon 08/25/25
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          87      59    80      54    80      55    83      58    85
Temp          83 85 67   59 75 79 62   54 73 79 63   55 75 82 65   58 78 84
Dewpt         57 54 51   50 49 45 41   42 47 46 44   44 50 48 50   50 57 54
PWind dir         N       N     N      NE     E       E     E       E    SE
Wind char        GN      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    SC FW SC   SC SC FW FW   FW FW FW FW   SC FW FW FW   SC FW FW
PoP 12hr         10      20    10      10     0       5     5      10     5
Rain shwrs           S    S
Tstms                S

$$
MTZ033-191000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
402 PM MDT Mon Aug 18 2025

Date           08/18/25      Tue 08/19/25            Wed 08/20/25            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                      64          97          69         101          66
Temp             88 75 69 66 64 79 92 96 94 80 76 73 69 82 94101 97 80 73 69 66
Dewpt            57 58 58 57 56 60 55 52 54 57 57 56 55 58 54 51 51 54 52 53 55
RH               35 55 68 73 75 52 29 23 26 45 52 55 61 44 26 19 21 41 48 57 68
Wind dir         NW  E SE SE SE SE SE SE SE SE SE SE  S  S  S  S  S SE SE  N  N
Wind spd          5  5  5  5  6  8 12 14 17 14 14 13 13 16 18 16 13 10  9  8  9
Wind gust                                   27 26 24 24 26 28 26
Clouds           CL FW FW FW FW CL CL CL FW FW FW FW FW CL CL FW FW SC SC SC SC
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat                             Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date           08/21/25  Fri 08/22/25  Sat 08/23/25  Sun 08/24/25  Mon 08/25/25
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          85      54    78      50    76      49    78      51    80
Temp          82 83 61   54 74 76 58   50 70 74 54   49 70 76 58   51 73 79
Dewpt         56 55 50   48 49 45 43   41 45 44 42   41 47 47 46   45 52 53
PWind dir         N       N     N      NE     E       E    SE      SE    SE
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC FW FW   SC SC FW FW   FW FW CL FW   FW FW FW FW   SC SC FW
PoP 12hr         10      20    10      10     0       5     0      10     5
Rain shwrs           S    S

$$
WYZ199-191000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
402 PM MDT Mon Aug 18 2025

Date           08/18/25      Tue 08/19/25            Wed 08/20/25            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          97          64         100          63
Temp             88 73 68 64 61 76 91 96 95 78 72 68 64 81 97100 96 79 73 67 63
Dewpt            50 48 45 44 43 47 44 42 40 42 40 42 42 48 43 44 42 45 44 46 47
RH               27 41 43 48 51 36 20 16 15 28 31 39 45 32 16 15 16 30 35 47 56
Wind dir          E SE  S  S SW  E  E SE SE  S  S  S  S  S SE NE  N  W  W  W  W
Wind spd          5  5  5  5  4  2  6  5  5  8 10  9  6  3  4  5  5  5  6  8  8
Clouds           FW FW FW FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC SC SC SC
PoP 12hr                     20           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S
Tstms             S
Heat                             Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date           08/21/25  Fri 08/22/25  Sat 08/23/25  Sun 08/24/25  Mon 08/25/25
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          85      54    80      53    82      53    85      55    85
Temp          80 83 62   54 74 79 61   53 74 81 61   53 78 83 62   55 78 84
Dewpt         54 57 55   53 57 56 52   50 54 54 50   49 54 54 52   50 54 54
PWind dir         N       W     E       E     E      SE     E      SE    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW B1   SC SC SC SC   SC FW FW SC   SC SC FW SC   SC SC SC
PoP 12hr         20      30    20      20    10       5    20      20    20
Rain shwrs        S  C    S  S  S  S                        S  S          S
Tstms                C          S                           S  S          S

$$