Point Forecast Matrices
Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
321 AM MDT FRI AUG 28 2015

MTZ012-282300-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
321 AM MDT FRI AUG 28 2015

DATE             FRI 08/28/15            SAT 08/29/15            SUN 08/30/15
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                      90          62          91          58          77
TEMP             58 66 80 88 89 75 71 67 62 67 82 90 88 73 67 64 58 61 70 77 73
DEWPT            44 47 42 36 40 41 45 47 47 49 48 46 50 51 48 49 48 49 47 40 38
RH               59 50 26 16 18 29 39 49 58 52 31 22 27 46 50 58 69 65 44 26 28
WIND DIR         SW SW SW  S  S  S SW  W  S SE  S SW  W  W  W  W  W  W SW SW  W
WIND SPD         10 11 12 13 13 12  8  6  5  6 11 13 13 13  9  9  6  6 16 16 20
CLOUDS           FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR                      0           5          20          20          10
QPF 12HR                      0           0        0.01        0.02           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                      S  S        S  S
TSTMS                                           S  S        S  S        S  S
OBVIS             K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


DATE               MON 08/31/15  TUE 09/01/15  WED 09/02/15  THU 09/03/15
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            51    77      52    83      53    76      45    69
TEMP          54   52 68 77 57   54 74 82 60   54 73 72 50   46 63 68
DEWPT         39   41 43 36 40   40 42 37 39   40 41 32 31   34 31 30
PWIND DIR           W    SW      SW    SW       W    SW       W     W
WIND CHAR          GN    GN      GN    GN      GN    LT      GN    LT
AVG CLOUDS    SC   FW SC SC SC   SC SC SC SC   SC SC B1 B1   SC SC SC
POP 12HR           10    10      10     5      10    10      20    20
RAIN SHWRS                                                    S  S  S

$$
MTZ010-282300-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
321 AM MDT FRI AUG 28 2015

DATE             FRI 08/28/15            SAT 08/29/15            SUN 08/30/15
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          56          87          51          72
TEMP             55 64 80 86 86 75 66 60 56 65 78 83 86 67 61 55 51 57 67 72 64
DEWPT            45 44 35 33 33 36 40 46 46 47 44 43 42 48 45 43 43 40 36 34 36
RH               69 48 20 15 15 24 38 60 69 52 30 24 21 50 56 64 74 53 32 25 35
WIND DIR          W  W SW SW SW  W  W NW SW  S SE  S SW SW  W  W SW SW SW SW  W
WIND SPD         11 12 13 16 17 11 11  8  6  9 19 20 21 21 16 16 14 14 23 23 21
CLOUDS           FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 FW FW SC SC SC SC SC
POP 12HR                      5          10          10          10           5
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
TSTMS                                           S  S  S  S
OBVIS             K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


DATE               MON 08/31/15  TUE 09/01/15  WED 09/02/15  THU 09/03/15
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            49    70      49    77      48    69      42    66
TEMP          51   49 64 70 56   50 70 76 55   49 65 66 49   42 60 65
DEWPT         37   40 38 38 39   39 37 36 37   39 36 30 31   33 30 28
PWIND DIR           W    SW      SW    SW      SW    SW       W     W
WIND CHAR          BZ    BZ      BZ    BZ      GN    GN      BZ    LT
AVG CLOUDS    SC   FW SC SC SC   SC SC FW FW   SC SC SC SC   SC SC SC
POP 12HR           10    10      10    10      10    20      20    20
RAIN SHWRS                                            S  S    S  S  S

$$
MTZ014-282300-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
321 AM MDT FRI AUG 28 2015

DATE             FRI 08/28/15            SAT 08/29/15            SUN 08/30/15
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                      90          56          90          53          78
TEMP             52 60 76 88 88 78 69 60 56 61 75 90 85 76 65 56 53 57 69 77 76
DEWPT            43 47 49 44 41 43 44 43 44 48 50 47 47 48 47 46 45 49 47 40 38
RH               71 62 39 22 19 29 40 53 64 62 41 23 27 37 52 69 74 75 45 26 25
WIND DIR          S  E  E  S  S  S  S SE SE SE  S  S SW SW  W  W  W  W  W  W  W
WIND SPD          4  6  9 10 10  8  4  5  5  5 10 18  9  9  8  8  4  4 11 11 13
CLOUDS           FW FW SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR                      5          10          20          20          10
QPF 12HR                      0           0        0.07        0.02           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                S  S  S  S        S  S
TSTMS                                     S  S  S  S  S  S  S  S        S  S
OBVIS             K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


DATE               MON 08/31/15  TUE 09/01/15  WED 09/02/15  THU 09/03/15
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            46    78      47    83      49    76      43    70
TEMP          53   46 66 78 57   48 71 83 59   50 70 74 51   43 59 70
DEWPT         37   37 42 35 38   38 43 37 38   40 44 35 33   34 34 31
PWIND DIR           W    SW       W    SW      SW    SW       W    SW
WIND CHAR          GN    LT      LT    LT      LT    LT      GN    LT
AVG CLOUDS    SC   FW FW SC SC   SC SC SC SC   SC SC B1 B1   SC SC B1
POP 12HR           10    10      10    10      10    10      20    20
RAIN SHWRS                                                    S  S  S

$$
MTZ055-282300-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
321 AM MDT FRI AUG 28 2015

DATE             FRI 08/28/15            SAT 08/29/15            SUN 08/30/15
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                      88          54          91          53          79
TEMP             50 59 75 85 87 69 62 57 54 66 79 90 88 68 63 58 53 60 69 78 76
DEWPT            44 47 48 43 38 44 45 45 46 50 45 45 42 45 48 48 46 48 46 42 37
RH               80 64 38 23 18 40 54 64 74 56 30 21 20 43 58 69 77 64 44 28 24
WIND DIR          S  N  W SW  S SE SE SE SE  S  S SW SW SW  S  S SW SW SW SW  W
WIND SPD          5  3  5  6  9 10  8  9  9  8 14 26 16 16  5  5  3  3 14 14 10
WIND GUST                                         36
CLOUDS           SC SC SC SC B1 B1 SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC
POP 12HR                      5           5          20          10          20
QPF 12HR                      0           0        0.01           0        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                      S  S              S  S  S  S  S
TSTMS                                           S  S  S  S        S  S  S  S  S
OBVIS             K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


DATE               MON 08/31/15  TUE 09/01/15  WED 09/02/15  THU 09/03/15
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    78      46    82      48    78      43    71
TEMP          52   44 66 78 57   46 70 82 58   49 72 76 52   43 60 71
DEWPT         38   37 37 34 41   37 39 36 40   41 41 37 37   37 37 35
PWIND DIR           W     S      SW     S      SW     S       W    NW
WIND CHAR          LT    LT      LT    LT      GN    LT      LT    LT
AVG CLOUDS    SC   SC FW SC SC   FW FW SC SC   SC SC SC SC   SC SC B1
POP 12HR           20    10       5    10      10    10      10    20
RAIN SHWRS     S                                                    S
TSTMS          S

$$
MTZ055-282300-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
321 AM MDT FRI AUG 28 2015

DATE             FRI 08/28/15            SAT 08/29/15            SUN 08/30/15
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                      79          42          81          44          70
TEMP             37 54 71 79 76 62 51 46 43 57 74 81 77 60 51 46 45 56 65 70 65
DEWPT            36 45 45 39 39 40 41 42 42 42 41 41 41 44 44 44 45 45 39 34 28
RH               96 71 39 24 26 44 68 86 96 57 30 24 28 55 77 93100 66 38 26 25
WIND DIR          S SW SW SW SW  S SE SE SE  S  S SW SW SW  S  S  S  S SW SW SW
WIND SPD          4  4 10 12 10  6  6  5  8  6 17 21 12 12  6  6  9  9 17 17 14
CLOUDS           FW FW SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC
POP 12HR                      5           5          10          20          20
QPF 12HR                      0           0           0        0.01        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                            S  S        S  S  S  S  S
TSTMS                                           S  S  S  S        S  S  S  S  S
OBVIS             K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


DATE               MON 08/31/15  TUE 09/01/15  WED 09/02/15  THU 09/03/15
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            34    69      37    73      38    71      35    69
TEMP          43   34 62 67 46   38 67 70 47   39 67 67 46   36 64 66
DEWPT         31   32 34 32 33   36 40 35 38   37 42 36 38   35 40 35
PWIND DIR          SW     S      SW     S       S     S       S     S
WIND CHAR          GN    LT      LT    LT      GN    GN      GN    GN
AVG CLOUDS    SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR           20     5       5    10      10    10      10    10
RAIN SHWRS     S
TSTMS          S

$$
MTZ008-282300-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
321 AM MDT FRI AUG 28 2015

DATE             FRI 08/28/15            SAT 08/29/15            SUN 08/30/15
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          88          51          76
TEMP             49 58 76 86 84 66 61 57 55 62 78 88 83 65 59 54 51 54 68 76 72
DEWPT            42 46 44 39 39 43 43 45 46 47 44 42 40 43 43 45 45 46 41 31 30
RH               77 64 32 19 20 43 51 64 72 58 30 20 22 45 55 71 80 74 37 19 21
WIND DIR          S SW SW SW  S  S  S  S  S  S  S SW SW SW  S  S SW SW SW SW  W
WIND SPD          8  6  9 12 12 12  9  8  9  9 20 31 17 17  8  8  6  6 16 16 12
WIND GUST                                         43
CLOUDS           FW FW SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC
POP 12HR                      5          10          20          20          20
QPF 12HR                      0           0        0.01        0.01        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                S  S              S  S  S  S
TSTMS                                     S  S              S  S  S  S  S  S
OBVIS             K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


DATE               MON 08/31/15  TUE 09/01/15  WED 09/02/15  THU 09/03/15
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    76      45    80      47    74      41    70
TEMP          51   42 65 76 54   46 70 79 55   48 69 72 53   41 62 70
DEWPT         36   34 34 29 35   35 35 29 36   38 37 31 36   34 33 32
PWIND DIR          SW    SW      SW    SW      SW     S       W    SW
WIND CHAR          GN    LT      GN    LT      GN    GN      GN    LT
AVG CLOUDS    SC   FW FW SC SC   FW FW SC SC   SC SC B1 B1   SC SC B1
POP 12HR           10     5       5    10      10    10      10    20
RAIN SHWRS                                                          S

$$
MTZ011-282300-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
321 AM MDT FRI AUG 28 2015

DATE             FRI 08/28/15            SAT 08/29/15            SUN 08/30/15
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                      90          58          94          58          80
TEMP             57 65 82 87 89 71 69 65 58 66 83 90 93 73 69 61 58 62 73 77 79
DEWPT            50 51 48 46 41 51 52 54 50 50 48 51 51 61 55 53 52 46 46 46 42
RH               77 60 31 24 19 49 55 68 75 56 30 26 24 66 61 75 80 56 38 33 27
WIND DIR         SW SW SW SW  S SE  S SW  W  E  E SE  S  S  W  W  W  W  W  W  W
WIND SPD         12 14 13 12 10 10  9  8  5  4 12 13  9  9 12 12 11 11 13 13 18
CLOUDS           FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR                      0           5          10          30          10
QPF 12HR                      0           0           0        0.02           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                            C  C                    S
TSTMS                                                 C  C              S  S  S
OBVIS             K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


DATE               MON 08/31/15  TUE 09/01/15  WED 09/02/15  THU 09/03/15
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    79      50    84      52    79      45    71
TEMP          58   51 71 78 57   51 75 83 61   53 76 75 55   45 64 70
DEWPT         43   43 43 41 43   43 46 40 46   45 46 37 40   38 39 36
PWIND DIR           W    SW      SW    SW      SE    NW       W     W
WIND CHAR          GN    GN      GN    GN      LT    LT      GN    GN
AVG CLOUDS    SC   SC SC SC SC   SC SC FW FW   SC SC B1 B1   SC SC SC
POP 12HR           20    10      10    10      10    10      20    20
RAIN SHWRS     S                                              S  S  S
TSTMS          S

$$
MTZ051-282300-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
321 AM MDT FRI AUG 28 2015

DATE             FRI 08/28/15            SAT 08/29/15            SUN 08/30/15
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                      88          59          94          57          76
TEMP             57 69 81 87 86 71 68 63 59 76 90 94 90 75 69 59 57 62 71 75 73
DEWPT            46 45 41 35 40 44 45 46 43 49 45 43 45 50 49 50 49 45 51 55 44
RH               67 42 24 16 20 38 43 54 55 39 21 17 21 41 49 72 75 54 49 50 35
WIND DIR         SW  W  W SW  S SE  S  S SW  S  S  S  S  S  W  W NW NW  S  S NW
WIND SPD          9  8 10  8 10 12 12 12  8  8 12 19 17 17  9  9  6  6  6  6  8
CLOUDS           SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC
POP 12HR                      0           5           5          10          40
QPF 12HR                      0           0           0           0        0.10
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                        S  S  C  C  S
TSTMS                                                 S  S        S  S  C  C  S
OBVIS             K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K  K


DATE               MON 08/31/15  TUE 09/01/15  WED 09/02/15  THU 09/03/15
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    77      47    81      51    77      44    67
TEMP          52   48 69 76 54   49 75 79 59   52 75 71 50   45 62 65
DEWPT         43   41 42 38 40   39 37 40 40   36 37 35 34   35 33 34
PWIND DIR          NW    SW       W    SW      SW    SW      NW     W
WIND CHAR          LT    GN      LT    LT      LT    LT      GN    LT
AVG CLOUDS    SC   SC SC SC SC   FW FW SC SC   SC SC SC SC   SC SC SC
POP 12HR           20    10      10    10      10    10      10    20
RAIN SHWRS     S                                                    S
TSTMS          S

$$



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