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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
902 PM MDT WED SEP 2 2015

MTZ012-031100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
902 PM MDT WED SEP 2 2015

DATE           09/02/15      THU 09/03/15            FRI 09/04/15            SAT
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          66          46          60          44
TEMP                   58 56 50 53 61 65 61 50 47 48 46 47 53 60 54 50 44 45 44
DEWPT                  40 40 39 40 42 40 44 41 42 42 40 44 47 46 44 42 41 40 38
RH                     51 55 66 61 49 40 53 71 83 80 79 89 80 60 69 74 89 82 79
WIND DIR                N  N  N  N  N  N  N  N  N  N NE NE NE NE  N  N  N  N  N
WIND SPD                8  6 10 11  9  6  6  6  4  4  5  5 10 10 10 10  8  8  6
CLOUDS                 B1 B1 B2 B2 B2 B2 OV OV B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     20          60          70          60          60
QPF 12HR                   0.01        0.05        0.18        0.07        0.22
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  S  S  S  L  L  L  L  L  L  L  L  C  C  C  C  L  L  L
TSTMS                         S  S  S  S  S  S              C  C  C  C


DATE           09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15  WED 09/09/15
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          62      46    59      38    65      41    69      46    74
TEMP          53 55 47   46 50 59 40   41 60 64 45   43 64 68 51   47 68 73
DEWPT         45 43 44   38 46 39 35   33 36 34 34   34 37 32 37   36 38 35
PWIND DIR         N       N    NW       W     W      SW     S       W     W
WIND CHAR        LT      GN    GN      GN    GN      LT    GN      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   SC SC SC SC   FW FW SC SC   SC SC FW
POP 12HR         60      70    60      60    20      10    10      10    10
RAIN SHWRS     L  L  L    L  L  L  L    S  S
TSTMS             L  L

$$
MTZ010-031100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
902 PM MDT WED SEP 2 2015

DATE           09/02/15      THU 09/03/15            FRI 09/04/15            SAT
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                      45          59          42          53          42
TEMP                   54 50 45 47 51 58 54 52 48 50 44 42 49 52 47 45 43 46 44
DEWPT                  37 37 42 41 39 38 41 43 44 42 43 36 40 41 41 45 42 45 43
RH                     52 61 89 79 63 47 61 71 86 74 96 79 71 66 79100 96 96 96
WIND DIR                W NW  W SW  W SW  W  W  S  S NW NW  N  N  N  N  N  N  N
WIND SPD               10 10  8  8  5  8  5  5  4  4  4  4  8  8 13 13 11 11 10
CLOUDS                 OV OV OV OV SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     80          90          60          80          80
QPF 12HR                   0.10        0.11        0.14        0.15        0.49
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              D  D  D  D  C  C  L  L  C  C  C  C  D  D  D  D  D  D  D
TSTMS                         S  S  S  S  S  S              C  C  L  L


DATE           09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15  WED 09/09/15
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          54      43    57      39    63      41    69      44    73
TEMP          51 48 43   44 52 56 42   41 60 61 45   43 65 67 51   45 70 70
DEWPT         48 46 42   43 42 41 35   38 34 37 35   40 37 34 36   40 38 35
PWIND DIR         N       N    NW       W     W      SW    SW      SW    SW
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    LT
AVG CLOUDS    B2 B2 B2   B1 B1 SC SC   SC SC SC SC   FW FW SC SC   SC SC FW
POP 12HR         80      70    70      50    20      20    10      10    10
RAIN SHWRS     D  L  L    L  L  C  C    S  S  S  S
TSTMS             L  L

$$
MTZ014-031100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
902 PM MDT WED SEP 2 2015

DATE           09/02/15      THU 09/03/15            FRI 09/04/15            SAT
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          68          45          62          42
TEMP                   58 53 48 53 62 68 65 57 51 47 45 50 59 62 58 48 48 43 43
DEWPT                  39 40 39 40 42 39 41 42 44 42 40 42 46 42 45 40 42 38 37
RH                     49 61 71 61 48 34 41 57 77 83 82 74 62 48 62 74 80 82 79
WIND DIR                W NW NW  N  N NW  N  N  N  N  N  N  N  N  N  N  N  N  N
WIND SPD                8  6  6  9  6 11 10 10  5  5  4  4  8  8 11 11  8  8  8
CLOUDS                 SC SC B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     10          60          70          80          60
QPF 12HR                      0        0.05        0.12        0.09        0.17
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                    S  S  L  L  L  L  L  L  D  D  L  L  L  L  L  L  L
TSTMS                         S  S  S  S  S  S              C  C  C  C


DATE           09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15  WED 09/09/15
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          64      45    65      37    68      38    72      41    76
TEMP          59 61 49   45 57 65 46   38 60 67 49   39 64 71 51   42 65 76
DEWPT         41 39 38   39 44 34 30   30 37 33 36   32 37 33 35   34 39 36
PWIND DIR         N       N     W       W    SW      SW     S       W    SW
WIND CHAR        LT      GN    LT      GN    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 SC SC   SC SC SC SC   FW FW SC SC   SC SC SC
POP 12HR         70      90    70      50    20      10    10      10    10
RAIN SHWRS     L  L  D    L  L  C  C    S  S
TSTMS             L  L

$$
MTZ055-031100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
902 PM MDT WED SEP 2 2015

DATE           09/02/15      THU 09/03/15            FRI 09/04/15            SAT
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          77          45          72          45
TEMP                   58 52 48 56 68 76 73 58 51 48 45 48 62 71 69 58 53 47 45
DEWPT                  38 39 41 44 44 41 40 45 41 41 42 41 43 42 42 48 46 44 41
RH                     47 61 77 64 42 28 30 62 68 77 89 77 50 35 37 69 77 89 86
WIND DIR                S  S SE SW  W  W  W  W  N  N  E  E  E  E  E  E  E  E  E
WIND SPD                9  4  3  3  3  5  4  4  2  2  4  4  8  8  6  6  3  3  4
CLOUDS                 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                      5          20          40          40          40
QPF 12HR                      0        0.01        0.04        0.03        0.09
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                          S  S  C  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS                               S  S  S  S              C  C  C  C


DATE           09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15  WED 09/09/15
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          71      44    61      36    68      37    70      38    75
TEMP          64 65 51   44 50 61 45   37 60 67 48   37 61 70 50   38 64 74
DEWPT         42 37 41   40 39 33 34   32 37 33 39   32 38 35 36   32 38 35
PWIND DIR         E      SE    SW      SW    SW       S     S       S     S
WIND CHAR        LT      LT    GN      GN    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B1 B1   B1 B1 SC SC   SC SC SC SC   FW FW SC SC   FW FW SC
POP 12HR         50      50    60      40    20      10    10       5    10
RAIN SHWRS     C  C  C    C  C  C  C    S  S
TSTMS             C  C

$$
MTZ055-031100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
902 PM MDT WED SEP 2 2015

DATE           09/02/15      THU 09/03/15            FRI 09/04/15            SAT
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                      40          70          34          69          35
TEMP                   49 44 40 52 66 70 65 55 45 38 34 49 65 69 63 53 44 38 36
DEWPT                  36 39 39 40 40 35 30 33 37 36 34 38 33 30 25 33 35 35 34
RH                     61 82 96 63 38 27 27 43 73 92100 66 30 23 23 46 70 89 92
WIND DIR                S  S  S  S SW SW SW SW  E  E SE SE SW SW  S  S SE SE SE
WIND SPD                6  8  6 11 13 16  9  9  3  3  4  4 14 14 12 12  8  8  8
CLOUDS                 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                      5          10          20          20          40
QPF 12HR                      0           0        0.06           0        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                S  S  S  S  S  S  S  S  S  S  C  C  C
TSTMS                                     S  S              S  S  S  S


DATE           09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15  WED 09/09/15
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      32    54      22    63      22    66      23    70
TEMP          61 56 40   32 49 52 36   23 58 60 34   23 61 62 37   24 64 66
DEWPT         34 28 35   30 34 27 30   22 34 30 28   22 35 30 30   22 36 33
PWIND DIR         S       S    SW      SW     S       S     S       S     S
WIND CHAR        GN      GN    GN      GN    LT      LT    GN      GN    GN
AVG CLOUDS    B1 B1 B1   B1 B1 SC SC   SC SC SC SC   FW FW SC SC   SC SC SC
POP 12HR         40      40    40      30    20      10     5       5     5
RAIN SHWRS     C  C  C    C  C  C  C    S  S
TSTMS             C  C

$$
MTZ008-031100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
902 PM MDT WED SEP 2 2015

DATE           09/02/15      THU 09/03/15            FRI 09/04/15            SAT
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          74          43          68          43
TEMP                   54 50 48 53 68 73 71 58 50 45 43 46 60 67 66 59 51 46 43
DEWPT                  34 36 39 42 39 32 34 39 40 40 39 41 41 37 40 41 41 40 39
RH                     46 58 71 66 34 22 26 49 68 82 86 83 49 33 38 51 68 79 86
WIND DIR                S SE  S NW  W SW NW NW  N  N NE NE  E  E  S  S  N  N NE
WIND SPD               10  3  3  3  3  2  3  3  4  4  5  5  3  3  5  5 10 10  6
CLOUDS                 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                      5          40          40          50          50
QPF 12HR                      0        0.02        0.05        0.08        0.13
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                          C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS                               S  S  S  S              C  C  C  C


DATE           09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15  WED 09/09/15
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      39    61      34    67      35    72      38    75
TEMP          64 61 47   39 55 60 46   34 59 66 49   35 61 72 51   38 67 74
DEWPT         37 32 41   35 37 28 35   28 32 32 37   30 33 31 34   30 35 33
PWIND DIR         E      SW    SW      SW    SW      SW     S      SW     S
WIND CHAR        LT      LT    GN      GN    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 SC SC   SC SC FW FW   FW FW SC SC   SC SC SC
POP 12HR         60      60    60      40    20      10    10      10     5
RAIN SHWRS     C  L  L    L  L  C  C    S  S
TSTMS             C  C

$$
MTZ011-031100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
902 PM MDT WED SEP 2 2015

DATE           09/02/15      THU 09/03/15            FRI 09/04/15            SAT
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          49          67          49
TEMP                   61 57 50 55 66 72 69 59 53 52 49 53 61 67 64 59 54 54 49
DEWPT                  45 44 42 43 42 41 41 45 45 46 46 46 44 44 48 47 44 46 43
RH                     56 62 74 64 42 33 36 60 74 80 89 77 53 43 56 64 69 74 80
WIND DIR               NW NW NW NW NW NW NW NW NW NW  N  N NE NE  E  E  E  E NE
WIND SPD               10  8  8 13 11  9  8  8  8  8  5  5  9  9 12 12  9  9  9
CLOUDS                 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2
POP 12HR                     20          20          50          60          60
QPF 12HR                   0.01           0        0.07        0.07        0.15
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  S        S  S  C  C  C  C  L  L  C  C  C  C  L  L  L
TSTMS                               S  S  S  S              C  C  C  C


DATE           09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15  WED 09/09/15
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          62      48    57      38    64      40    69      42    73
TEMP          56 60 50   49 50 56 40   40 60 63 45   42 63 68 50   43 67 72
DEWPT         46 53 46   47 45 48 36   37 45 42 38   38 44 38 39   38 43 41
PWIND DIR         E      NE    NW       W     W      SW     S       S    NW
WIND CHAR        GN      GN    GN      GN    GN      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B1 B1   SC SC SC SC   FW FW SC SC   SC SC FW
POP 12HR         60      80    80      80    20      20    10      10    10
RAIN SHWRS     L  L  L    L  L  D  D    S  S  S  S
TSTMS             L  L

$$
MTZ051-031100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
902 PM MDT WED SEP 2 2015

DATE           09/02/15      THU 09/03/15            FRI 09/04/15            SAT
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          71          44          64          45
TEMP                   57 50 49 57 65 71 66 54 49 44 46 51 60 64 62 55 50 48 45
DEWPT                  40 38 40 41 41 40 38 39 43 42 44 47 45 50 43 43 47 46 42
RH                     53 63 71 55 41 32 36 57 80 93 93 86 58 60 50 64 89 93 89
WIND DIR               SW  W  W NW  N  N  N  N NW NW NW NW NE NE  E  E NE NE  N
WIND SPD                9  8  4 10  6  8  8  8  9  9  5  5  6  6 11 11  4  4  4
CLOUDS                 FW FW B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2
POP 12HR                      5          20          30          40          50
QPF 12HR                      0           0        0.02        0.02        0.10
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                          S  S  C  C  C  C  C  C  S  S  S  S  C  C  C
TSTMS                               S  S  S  S              S  S  C  C


DATE           09/05/15  SUN 09/06/15  MON 09/07/15  TUE 09/08/15  WED 09/09/15
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          63      46    56      34    63      37    67      41    70
TEMP          55 56 49   47 47 56 42   35 57 62 41   40 63 65 47   43 64 69
DEWPT         47 44 48   43 43 44 39   30 39 35 36   34 35 34 37   36 38 35
PWIND DIR        NE       N     W       W     W       W    SW      SW     W
WIND CHAR        LT      LT    GN      BZ    GN      LT    GN      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   SC SC SC SC   FW FW SC SC   SC SC FW
POP 12HR         50      60    60      50    20      20    20      10    10
RAIN SHWRS     C  C  C    L  L  C  C    S  S          S  S
TSTMS             C  C

$$



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