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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 PM MDT TUE SEP 1 2015

MTZ012-021100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
400 PM MDT TUE SEP 1 2015

DATE           09/01/15      WED 09/02/15            THU 09/03/15            FRI
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                      54          81          49          65          48
TEMP             82 70 62 56 54 60 73 80 78 64 57 54 50 53 61 66 63 46 46 45 44
DEWPT            36 39 39 40 40 41 40 38 39 39 40 40 38 42 42 37 41 40 41 39 36
RH               19 32 43 55 59 49 30 22 25 40 53 59 63 66 49 34 44 79 83 79 73
WIND DIR          W NE  S SW SW  W  W  W NW NW  N  N  N  N  N  N  N  N  N  N NE
WIND SPD          8  4  3  6  6  6  6 14 13 10  6  8  8  8  5  5  9  9  6  6  8
CLOUDS           SC SC CL CL SC SC B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 OV OV B1 B1 B1
POP 12HR                      0           5          30          50          50
QPF 12HR                      0           0        0.02        0.04        0.14
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                      C  C  S  S  C  C  C  C  C  C  C


DATE           09/04/15  SAT 09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15
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          65      42    54      39    62      40    70      43    76
TEMP          54 56 42   43 51 55 39   43 60 63 42   43 62 69 50   49 73 80
DEWPT         43 41 39   40 42 37 35   37 37 34 27   32 33 27 32   34 40 37
PWIND DIR        NE       N     N       N    NW       W    SW      SW    SW
WIND CHAR        LT      GN    LT      GN    LT      GN    GN      LT    GN
AVG CLOUDS    B1 B2 B2   OV OV B2 B2   B1 B1 SC SC   SC SC FW FW   FW FW FW
POP 12HR         40      60    60      60    60      40    20      10    10
RAIN SHWRS     C  C  C    L  L  L  L    L  L  C  C    S  S
TSTMS             C  C          L  L

$$
MTZ010-021100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
400 PM MDT TUE SEP 1 2015

DATE           09/01/15      WED 09/02/15            THU 09/03/15            FRI
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          72          44          62          42
TEMP             75 64 58 52 52 58 68 72 67 58 52 48 44 46 54 60 55 48 47 43 40
DEWPT            31 33 36 40 36 39 39 37 37 38 39 39 41 37 37 37 38 43 40 39 39
RH               20 31 44 63 54 49 34 28 33 47 61 71 89 71 52 42 53 83 76 86 96
WIND DIR         SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W  S  S SE SE NE
WIND SPD         13  6  6  6  9 14 19 21 18 14  9  8  8  8  5  5  6  6  4  4  4
CLOUDS           FW FW SC SC B1 B1 B1 B1 B1 B1 OV OV OV OV SC SC B1 B1 B2 B2 B2
POP 12HR                      0           5          60          80          40
QPF 12HR                      0           0        0.10        0.09        0.10
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                S  S  L  L  D  D  C  C  C  C  C  C  C


DATE           09/04/15  SAT 09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15
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      40    53      38    62      43    67      42    73
TEMP          50 46 44   39 51 53 42   40 60 62 45   43 66 67 50   43 71 76
DEWPT         42 39 38   39 38 41 34   40 42 29 31   38 32 28 33   35 36 32
PWIND DIR        NE       N     N       N    NW       W     W      SW    SW
WIND CHAR        LT      GN    GN      GN    GN      GN    GN      LT    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   SC SC SC SC   SC SC FW FW   FW FW FW
POP 12HR         60      60    60      60    40      40    20      10    10
RAIN SHWRS     C  L  L    L  L  L  L    C  C  C  C    S  S
TSTMS             L  L          L  L

$$
MTZ014-021100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
400 PM MDT TUE SEP 1 2015

DATE           09/01/15      WED 09/02/15            THU 09/03/15            FRI
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          82          48          68          44
TEMP             81 71 62 55 50 57 72 81 80 67 58 51 48 54 64 69 64 49 50 46 42
DEWPT            37 40 39 39 39 43 44 41 39 44 42 41 40 44 41 38 39 35 39 38 35
RH               21 32 43 55 66 59 37 24 23 43 55 68 74 69 43 32 40 58 66 73 76
WIND DIR         SE SW SW  S SW  W  W NW NW NW NW NW  N  N  N  N  N  N  N  N  N
WIND SPD          4  4  3  2  2  3  6  8 10 10  5  6  5  5  8  8 11 11  5  5  3
CLOUDS           FW FW CL CL FW FW B1 B1 B2 B2 SC SC B2 B2 B2 B2 OV OV B1 B1 B1
POP 12HR                      0          10          20          30          50
QPF 12HR                      0           0        0.01        0.06        0.10
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                      S  S  S  S  C  C  C  C  C  C  C


DATE           09/04/15  SAT 09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15
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          65      41    57      39    64      39    72      42    79
TEMP          55 57 47   42 54 61 47   41 60 66 45   39 62 73 54   47 70 81
DEWPT         37 35 32   35 39 36 33   34 35 32 28   31 37 32 35   38 44 37
PWIND DIR         N       N     N       N    NW       W    SW      SW     S
WIND CHAR        LT      GN    LT      GN    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B2 B2   OV OV OV OV   B1 B1 SC SC   SC SC FW FW   SC SC SC
POP 12HR         40      70    60      60    60      40    20      10    10
RAIN SHWRS     C  C  C    L  L  C  C    L  L  C  C    S  S
TSTMS             C  C          C  C

$$
MTZ055-021100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
400 PM MDT TUE SEP 1 2015

DATE           09/01/15      WED 09/02/15            THU 09/03/15            FRI
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                      48          85          45          73          44
TEMP             81 67 59 53 49 59 75 84 83 65 58 52 47 52 68 76 72 54 50 45 44
DEWPT            33 36 39 39 41 46 41 36 34 38 40 40 40 41 41 40 35 43 39 38 39
RH               18 32 47 59 74 62 29 18 17 37 51 63 76 66 37 27 26 66 66 76 82
WIND DIR          S  S  S SE  S  S SW SW SW SW  S  S  S  S  W  W  N  N  E  E  E
WIND SPD          6  9  6  5  5  5 14 21 16 10  3  2  2  2  5  5  5  5  6  6  5
CLOUDS           FW FW CL CL FW FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                      0           5           5          20          30
QPF 12HR                      0           0           0        0.03        0.03
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S  S  S  C  C  C
TSTMS                                                       S  S


DATE           09/04/15  SAT 09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15
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          70      43    60      43    62      37    71      39    78
TEMP          61 64 50   43 57 63 49   43 57 66 47   39 63 72 54   44 70 78
DEWPT         43 34 46   41 45 41 44   38 39 35 35   34 37 31 40   38 43 37
PWIND DIR        SE       E     E      NE     W      SW    SW       S     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         30      30    50      50    50      40    20      10    10
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    S  S
TSTMS             C  C          C  C

$$
MTZ055-021100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
400 PM MDT TUE SEP 1 2015

DATE           09/01/15      WED 09/02/15            THU 09/03/15            FRI
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          76          39          71          34
TEMP             73 60 49 44 39 54 68 76 73 60 49 41 37 53 66 71 65 53 44 36 33
DEWPT            28 33 35 39 38 39 38 33 30 32 35 36 36 38 38 30 29 32 34 33 32
RH               19 36 58 82 96 57 33 21 20 35 58 82 96 57 36 22 26 44 68 89 96
WIND DIR         SW  S  S  S  S  S SW SW SW SW  S  S  S  S SW SW SW SW SE SE  S
WIND SPD         10  4  4  4  5 12 16 20 16 12  6  5 10 10 16 16 13 13  5  5  5
CLOUDS           SC SC FW FW FW FW SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1
POP 12HR                      5           5           5          10          20
QPF 12HR                      0           0           0        0.01           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                              S  S


DATE           09/04/15  SAT 09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15
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          66      31    65      30    57      24    67      23    71
TEMP          61 62 42   34 61 60 38   30 57 56 38   23 61 62 39   25 66 68
DEWPT         38 29 35   33 37 30 32   30 34 27 32   23 32 28 34   24 36 35
PWIND DIR         S      SE    SE       S    SW      SW    SW       S     S
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    40      40    30      30    10      10     5
RAIN SHWRS        S  S    S  S  C  C    C  C  C  C
TSTMS             S  S          C  C

$$
MTZ008-021100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
400 PM MDT TUE SEP 1 2015

DATE           09/01/15      WED 09/02/15            THU 09/03/15            FRI
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                      48          83          46          70          43
TEMP             79 64 57 51 49 57 73 81 79 61 55 51 46 52 69 74 71 56 52 45 42
DEWPT            31 37 36 36 39 41 38 34 31 35 36 37 37 40 38 32 34 41 41 38 37
RH               17 37 45 56 68 55 28 18 17 38 49 59 71 63 32 21 26 57 66 76 82
WIND DIR         SW  S  S  S  S SW SW SW SW SW SE SE NE NE SW SW NW NW  N  N  N
WIND SPD         12 11  9  9  9 11 18 25 19 11  3  2  1  1  3  3  6  6  5  5  2
WIND GUST                             35
CLOUDS           FW FW CL CL FW FW SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR                      0           5           5          30          40
QPF 12HR                      0           0        0.01        0.03        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  C  C  C  C  C  C  C
TSTMS                                                       S  S


DATE           09/04/15  SAT 09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15
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          67      39    59      38    62      36    71      39    77
TEMP          56 61 49   40 54 62 47   39 55 64 49   36 64 74 54   44 71 78
DEWPT         41 30 42   37 37 37 40   34 31 26 33   30 31 28 38   36 38 34
PWIND DIR         E       E     E       N    SW      SW    SW      SW     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   SC SC SC SC   SC SC FW FW   SC SC SC
POP 12HR         40      40    50      50    50      30    10       5    10
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C
TSTMS             C  C          C  C

$$
MTZ011-021100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
400 PM MDT TUE SEP 1 2015

DATE           09/01/15      WED 09/02/15            THU 09/03/15            FRI
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          83          50          70          48
TEMP             81 66 59 53 50 59 74 80 81 67 59 54 50 55 64 71 69 61 52 46 47
DEWPT            42 49 46 45 43 48 42 43 43 48 45 44 43 43 39 37 38 45 43 41 42
RH               25 54 62 74 77 67 32 27 26 50 60 69 77 64 40 29 32 56 71 83 83
WIND DIR         SW SE SE  E SW  W NW  W NW NW NW NW NW NW NW NW NW NW  N  N NE
WIND SPD          5  6  5  2  5  9 10  9 10 10  9 10 10 10  6  6  9  9  8  8  6
CLOUDS           SC SC FW FW SC SC SC SC B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR                      5           0          30          20          40
QPF 12HR                      0           0        0.01        0.02        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                      C  C        S  S  C  C  C  C  C


DATE           09/04/15  SAT 09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15
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          69      44    57      42    62      42    66      41    76
TEMP          59 62 47   45 53 59 46   43 58 62 45   42 61 68 51   43 72 78
DEWPT         40 46 42   43 42 47 42   41 42 43 39   38 38 35 38   37 44 38
PWIND DIR        NE      NE    NE      NE     N      NW     W      SW     S
WIND CHAR        GN      GN    GN      GN    GN      LT    GN      LT    LT
AVG CLOUDS    B2 B1 B1   B2 B2 B2 B2   B1 B1 B1 B1   SC SC FW FW   FW FW FW
POP 12HR         40      40    60      60    40      40    30      10    10
RAIN SHWRS     C  C  S    C  C  L  L    C  C  C  C    C  C
TSTMS             C  S          L  L

$$
MTZ051-021100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
400 PM MDT TUE SEP 1 2015

DATE           09/01/15      WED 09/02/15            THU 09/03/15            FRI
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          86          48          67          44
TEMP             79 65 61 61 56 69 81 84 82 63 57 49 47 54 64 69 66 53 46 42 43
DEWPT            38 44 40 40 38 44 37 37 38 44 44 42 40 40 40 39 34 37 41 38 37
RH               23 46 46 46 51 40 21 19 21 50 62 77 76 59 41 33 30 54 83 86 79
WIND DIR         NE SE SE  S  S SW SW  W NW  N NW NW NW NW  N  N  N  N  N  N  E
WIND SPD          2  8  8  9  8  6 10 11  8  6  6  6  9  9  8  8 10 10  5  5  4
CLOUDS           SC SC CL CL FW FW SC SC SC SC FW FW B1 B1 B1 B1 B1 B1 B2 B2 B2
POP 12HR                      0           5           5          10          20
QPF 12HR                      0           0           0           0        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                        S  S  S  S  C


DATE           09/04/15  SAT 09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15
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          68      42    54      40    58      36    65      39    72
TEMP          53 61 44   43 51 57 44   41 55 59 40   40 60 63 48   45 71 75
DEWPT         42 39 42   40 46 42 42   39 38 40 35   33 34 29 37   36 40 38
PWIND DIR         E      NE    NE       N    NW       W     W       W    SW
WIND CHAR        LT      LT    LT      GN    LT      GN    GN      LT    LT
AVG CLOUDS    B2 B1 B1   B1 B1 B2 B2   B1 B1 SC SC   SC SC FW FW   FW FW FW
POP 12HR         30      50    50      50    50      40    20      10    10
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    S  S
TSTMS             C  C          C  C

$$


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