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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
306 PM MDT WED MAY 6 2015

MTZ012-071100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
306 PM MDT WED MAY 6 2015

DATE           05/06/15      THU 05/07/15            FRI 05/08/15            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                      34          52          34          53          32
TEMP             58 49 45 39 34 38 45 51 51 45 40 36 34 43 50 52 52 44 39 35 32
DEWPT            25 27 31 30 28 27 34 24 26 28 29 27 27 29 38 26 31 30 31 28 28
RH               28 42 58 70 78 64 65 34 37 51 64 69 75 57 63 36 44 57 73 75 85
WIND DIR         NE NE NE NE  N  N  N NE  E  E  E  E NE NE NE NE NE NE  E  E NE
WIND SPD         13 11 13 11  8  8  8  6  9  8  6  5  6  6 14 14 14 14  8  8  6
CLOUDS           SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     10          10           5          20          20
QPF 12HR                      0           0           0        0.02        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                            S  S  S  S  S  S  S  S


DATE           05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15  WED 05/13/15
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          55      33    59      34    65      38    66      40    69
TEMP          50 55 40   34 55 58 41   35 58 64 45   39 62 65 48   41 64 67
DEWPT         26 26 34   31 35 22 29   28 30 28 36   31 34 28 35   32 36 29
PWIND DIR        NE       E     E       E    SE       E    SE       E    SE
WIND CHAR        GN      GN    LT      GN    LT      GN    LT      GN    LT
AVG CLOUDS    B2 B1 B1   SC SC SC SC   SC SC SC SC   B1 SC B1 B1   B1 B1 B1
POP 12HR         10      10    10      10    20      20    10      20    30
RAIN SHWRS                                    S  S                  S  S  C

$$
MTZ010-071100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
306 PM MDT WED MAY 6 2015

DATE           05/06/15      THU 05/07/15            FRI 05/08/15            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                      29          53          28          54          29
TEMP             55 44 38 33 29 36 45 51 52 43 36 32 28 39 48 54 52 43 39 31 29
DEWPT            25 25 26 25 24 27 24 20 19 20 21 23 22 27 25 26 22 22 26 23 23
RH               31 47 62 72 81 69 43 29 27 39 54 69 78 62 40 34 31 43 59 72 78
WIND DIR          N NE  N  N  N  N  N NE  E  E  E  E NE NE NE NE NE NE NE NE  E
WIND SPD         13 12 13 10  9 10  8  5  5  6  5  5  6  6 12 12 13 13  8  8  4
CLOUDS           SC SC B1 B1 SC SC SC SC SC SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR                     10           5          10          20          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S


DATE           05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15  WED 05/13/15
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          56      29    59      31    63      33    63      35    67
TEMP          52 56 40   29 54 58 42   31 56 62 44   34 57 62 46   36 62 64
DEWPT         24 19 20   25 27 22 26   25 27 26 27   28 27 25 32   30 33 27
PWIND DIR         E       E    SE      SE    SE      SE    SE      SE    SE
WIND CHAR        LT      GN    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC B1
POP 12HR         10      10     5      10    10      10    10      20    30
RAIN SHWRS                                                          S  S  C

$$
MTZ014-071100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
306 PM MDT WED MAY 6 2015

DATE           05/06/15      THU 05/07/15            FRI 05/08/15            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                      39          54          35          56          34
TEMP             62 56 50 45 39 41 46 53 53 49 43 39 35 42 52 56 53 46 41 37 34
DEWPT            25 27 27 28 29 29 28 25 28 30 30 28 28 30 31 31 30 28 33 28 29
RH               24 32 41 51 67 62 49 33 38 48 60 64 75 62 44 38 41 49 73 70 82
WIND DIR          N  N  N  N  N  N  N  N NE  N  N  N  N  N NE NE NE NE NE NE  N
WIND SPD         13 11  8 11 10 11  9  8  5  5  4  3  3  3 11 11 12 12  5  5  6
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     30          40          20          30          30
QPF 12HR                   0.01        0.03           0        0.04        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  S  C  C  C  C  S  S        S  S  C  C  C  C  C  C  C  C  S
SNOWSHWRS                                                                     S


DATE           05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15  WED 05/13/15
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          55      35    59      34    65      38    68      40    70
TEMP          51 54 42   36 55 58 44   34 55 65 47   39 61 68 52   40 64 69
DEWPT         28 27 37   33 34 25 31   28 29 28 33   33 34 31 39   34 40 31
PWIND DIR         N      NE    NE       E    SE       E    SE       E    SE
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         30      30    20      10    20      20    20      20    20
RAIN SHWRS     S  C  C    S  S                S  S    S  S  S  S    S  S  S
SNOWSHWRS      S

$$
MTZ055-071100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
306 PM MDT WED MAY 6 2015

DATE           05/06/15      THU 05/07/15            FRI 05/08/15            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                      37          51          32          52          36
TEMP             57 49 45 42 38 38 43 50 49 42 37 34 32 40 47 52 50 39 40 36 36
DEWPT            36 36 35 34 33 32 32 30 31 31 29 29 28 33 30 31 35 32 33 31 32
RH               45 61 68 73 82 79 65 46 50 65 72 82 85 76 51 44 56 76 76 82 85
WIND DIR         NE  E  E NE NE NE NE  E  E  E  E  E  E  E  E  E  E  E NE NE NE
WIND SPD          9 11  8  5  6  5  9 11  8  8  6  9  9  9 10 10 10 10  8  8  6
CLOUDS           B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2
POP 12HR                     40          60          20          40          40
QPF 12HR                   0.04        0.09           0        0.06        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        C  C  C  C  L  L  C  C  S  S  S  S  C  C  C  C  C  C  C  C  C
SNOWSHWRS                                             C  C


DATE           05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15  WED 05/13/15
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          48      33    52      29    58      34    62      37    70
TEMP          47 48 41   33 49 50 38   29 50 57 42   35 56 62 48   38 65 67
DEWPT         29 31 39   28 31 27 32   25 31 34 35   32 37 35 40   34 41 38
PWIND DIR        NE       E    NE       E     E       E    SE       E    SE
WIND CHAR        GN      GN    LT      LT    LT      LT    LT      GN    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         40      30    30      20    20      20    20      20    30
RAIN SHWRS     C  C  C    C  C          S  S  S  S    S  S  S  S    S  S  C
SNOWSHWRS                                  S

$$
MTZ055-071100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
306 PM MDT WED MAY 6 2015

DATE           05/06/15      THU 05/07/15            FRI 05/08/15            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                      31          51          28          52          28
TEMP             56 48 39 32 32 36 45 50 49 43 35 31 28 38 48 52 49 44 35 31 28
DEWPT            35 33 35 30 32 35 39 38 35 37 32 29 27 35 40 38 39 39 32 29 27
RH               45 56 85 92100 96 79 63 58 79 89 92 96 89 74 59 68 82 89 92 96
WIND DIR         NE NE  E NE NE NE NE NE NE NE NE NE NE NE  N  N NE NE NE NE NE
WIND SPD          8  8  8  8  8  8  8  9  8  8  6  8  8  8  8  8  9  9  9  9  9
CLOUDS           B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                     60          70          30          60          50
QPF 12HR                   0.15        0.20        0.05        0.14        0.18
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        C  C  L  L  L  L  L  L  C  C  C  C        L  L  C  C  C  C
SNOWSHWRS                                             C  C              C  C  C
TSTMS             S  S              S  S  S  S              S  S


DATE           05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15  WED 05/13/15
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          51      27    52      27    58      28    61      28    60
TEMP          44 46 35   27 47 50 34   28 52 56 37   29 53 60 40   28 53 59
DEWPT         32 28 30   26 28 27 30   26 29 28 31   27 30 27 34   26 29 28
PWIND DIR        NE      NE     N      NE     S       S     S       S     S
WIND CHAR        GN      GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B2 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         50      30    30      20    30      30    30      30    20
RAIN SHWRS        C  C                        C  C    C  C  C  C    S  S  S
SNOWSHWRS      C  C  C    C  C          S  S
TSTMS                                         S  S          S  S

$$
MTZ008-071100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
306 PM MDT WED MAY 6 2015

DATE           05/06/15      THU 05/07/15            FRI 05/08/15            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                      37          49          33          53          36
TEMP             53 46 45 42 38 37 42 48 48 46 38 35 33 40 46 53 50 43 40 36 37
DEWPT            28 35 35 34 33 33 32 33 30 37 30 30 29 32 27 30 34 33 34 31 34
RH               38 65 68 73 82 85 67 56 49 71 73 82 85 73 47 41 54 67 79 82 89
WIND DIR         NE NE NE NE  N  N NE  N NE NE  N  N  N  N NE NE NE NE NE NE  N
WIND SPD         11 12 10 11 11 14 13 12  9  9  5  4  6  6 12 12 12 12  9  9 10
CLOUDS           OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     70          70          20          30          30
QPF 12HR                   0.19        0.16        0.02        0.05        0.03
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  L  L  L  L  L  C  C  S  S  S  S        C  C  C  C  C  C  C
SNOWSHWRS                                             C  C                    C
TSTMS             S  S


DATE           05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15  WED 05/13/15
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          51      34    54      33    61      38    65      38    67
TEMP          45 50 41   34 50 53 41   33 51 61 45   39 58 65 51   38 64 65
DEWPT         25 28 35   30 30 25 32   30 26 32 37   35 33 32 39   33 34 32
PWIND DIR        NE      NE    NE      NE    SE      SE     S      SE    SE
WIND CHAR        GN      GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         30      20    20      20    20      20    20      20    30
RAIN SHWRS     C  S  S    S  S          S     S  S    S  S  S  S    S  S  C
SNOWSHWRS      C          S  S             S

$$
MTZ011-071100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
306 PM MDT WED MAY 6 2015

DATE           05/06/15      THU 05/07/15            FRI 05/08/15            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                      30          56          31          57          29
TEMP             59 50 41 34 30 40 49 54 55 48 40 35 31 44 53 57 55 47 38 34 29
DEWPT            33 34 31 27 25 29 29 28 24 29 29 28 26 31 29 27 25 28 27 27 24
RH               37 54 67 75 81 64 46 36 30 47 64 75 81 60 39 31 31 47 64 75 81
WIND DIR          N  N  N NW NW NW NW NW  N NE  E  E  E  E  E  E  E  E  E  E  E
WIND SPD         17 11 10  8  8  9 10  8  5  5  8  8 10 10 11 11 11 11  9  9  8
CLOUDS           FW FW SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 B2 B2 B1 B1 SC SC SC
POP 12HR                      5           0           0          20           5
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S


DATE           05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15  WED 05/13/15
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          59      32    62      32    66      35    68      35    69
TEMP          54 59 41   33 57 60 42   33 59 65 45   36 63 66 47   36 64 67
DEWPT         26 24 27   28 27 25 27   28 27 33 31   31 33 35 35   31 34 35
PWIND DIR         E       E    SE      SE    SE      SE    SE      SE     E
WIND CHAR        GN      GN    GN      GN    GN      BZ    BZ      BZ    GN
AVG CLOUDS    SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         10      10    10      10    10      10    10      20    20
RAIN SHWRS                                                          S  S  S

$$
MTZ051-071100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
306 PM MDT WED MAY 6 2015

DATE           05/06/15      THU 05/07/15            FRI 05/08/15            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                      32          50          34          51          32
TEMP             56 47 41 35 32 37 44 47 50 44 37 35 34 43 48 51 49 43 38 36 32
DEWPT            31 31 31 30 27 27 26 27 26 31 28 27 27 29 31 29 31 32 32 29 28
RH               38 53 67 82 81 67 49 45 39 60 70 72 75 57 51 42 50 65 79 75 85
WIND DIR          N  N  N NW NW NW NW NW  N  N  E SE  E  E  E  E  E  E  E  E  E
WIND SPD         13  8  6  5  8 11 10 11  5  4  5  8  8  8 11 11 12 12  6  6  6
CLOUDS           B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     10          10          10          40          30
QPF 12HR                      0           0           0        0.06        0.08
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                            S  S  C  C  C  C  C  C  C
SNOWSHWRS                                             S  S                    C


DATE           05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15  WED 05/13/15
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          48      32    54      31    59      35    62      38    64
TEMP          43 48 37   33 50 53 37   32 51 58 40   37 58 61 45   39 59 63
DEWPT         26 30 33   29 29 25 29   25 26 37 31   30 33 33 36   32 34 36
PWIND DIR         E       E    SE      SE     S      SE    SE      SE    SE
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B1 B1   B1 B1 SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         40      30    20      10    10      10    10      20    30
RAIN SHWRS     C  C  C    S  S                                      S  S  C
SNOWSHWRS      C

$$



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