Point Forecast Matrices
Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
309 AM MDT MON MAY 4 2015

MTZ012-042300-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
309 AM MDT MON MAY 4 2015

DATE             MON 05/04/15            TUE 05/05/15            WED 05/06/15
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                      76          46          75          45          61
TEMP             36 51 66 75 75 62 55 50 46 62 72 74 69 59 54 51 45 53 56 60 59
DEWPT            28 32 39 34 29 33 36 37 36 44 38 41 48 51 48 46 40 42 40 32 31
RH               72 48 37 22 18 33 49 61 68 52 29 30 47 75 80 83 82 66 55 35 34
WIND DIR          S SW SE SE  S SE  S SW SW  W  N SW  W NW NW  W NW NW NW  N NE
WIND SPD          6  6  6  6  6  8  8  8  5  5  4 14 13 12 10 10 10 13 12 11 13
CLOUDS           CL CL FW FW SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 SC SC SC
POP 12HR                     10          10          30          60          10
QPF 12HR                      0           0        0.05        0.28           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                S  S  C  C  L  L  C  C              S
TSTMS                                           C  C  L  L


DATE               THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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            37    50      34    50      34    53      34    60
TEMP          48   37 44 50 39   34 47 49 39   34 44 53 38   35 53 60
DEWPT         36   32 33 24 27   28 39 28 34   31 28 27 32   31 31 25
PWIND DIR          NE     N      NE    NE       E    NE       E     E
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    LT
AVG CLOUDS    SC   B2 B2 B2 B2   OV OV OV OV   OV OV B2 B2   B2 B2 B2
POP 12HR           40    30      20    20      30    30      30    30
RAIN SHWRS     S    C  C  S  S    S  S  S  S    C  C  C  C    C  C  S

$$
MTZ010-042300-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
309 AM MDT MON MAY 4 2015

DATE             MON 05/04/15            TUE 05/05/15            WED 05/06/15
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                      73          39          70          36          57
TEMP             32 46 62 70 72 59 52 42 41 58 67 70 66 54 50 40 36 48 53 57 54
DEWPT            20 27 28 23 23 23 24 31 34 42 36 35 35 35 34 32 29 35 30 27 25
RH               61 47 27 17 16 25 33 65 76 55 32 27 32 48 54 73 75 60 41 31 32
WIND DIR          E SE SE  S SW SW SW  W  W  W NW SW  W  W  W NW NW NW NW  N  N
WIND SPD          4  5  9 10 12  9  8  8  8  5  6 14 14  9 11 13 14 18 16 16 13
CLOUDS           CL CL FW FW SC SC SC SC B1 B1 B2 B2 SC SC B1 B1 SC SC SC SC SC
POP 12HR                      5          10          30          40          10
QPF 12HR                      0           0        0.04        0.09           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                      C  C  C  C  S  S              S
TSTMS                                           C  C  C  C


DATE               THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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            30    49      29    49      30    53      32    58
TEMP          40   30 45 48 37   29 44 49 36   31 47 53 38   33 53 57
DEWPT         28   23 26 20 24   25 27 26 24   27 22 23 31   27 27 25
PWIND DIR          NE     N      NE     E       E     E       E    SE
WIND CHAR          GN    GN      GN    GN      GN    LT      LT    GN
AVG CLOUDS    SC   B2 B2 B2 B2   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B1
POP 12HR           30    20      20    20      30    30      30    20
RAIN SHWRS     S    C  S  S  S    S  S  S  S    C  C  C  C    S  S  S
SNOWSHWRS              S  S                        C

$$
MTZ014-042300-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
309 AM MDT MON MAY 4 2015

DATE             MON 05/04/15            TUE 05/05/15            WED 05/06/15
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                      77          44          76          42          63
TEMP             43 51 66 75 76 67 55 50 44 53 71 75 71 61 52 46 42 50 56 63 59
DEWPT            27 31 34 30 25 30 34 35 36 42 39 42 47 44 41 39 36 39 31 24 28
RH               53 46 30 19 15 25 45 56 73 66 31 31 42 53 66 76 79 66 38 22 30
WIND DIR         SE  E SE SE SE SW  S  S  S SW  W  W  W NW  W  W  W  W  N  N  N
WIND SPD          5  4  6  6  5  4  4  4  5  4  8 16 13 10  9 11  8  6  6  9 11
CLOUDS           FW FW SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR                     10          10          30          60          10
QPF 12HR                      0           0        0.04        0.19           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                S  S  C  C  L  L  C  C              C
TSTMS                                           C  C  L  L


DATE               THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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            39    53      37    52      38    55      33    62
TEMP          47   39 45 53 43   37 49 52 45   38 48 55 42   33 54 62
DEWPT         31   33 30 27 30   32 28 34 38   33 33 29 29   27 31 31
PWIND DIR           N    NE      NE    NE       N     N      NE    NE
WIND CHAR          GN    GN      GN    GN      GN    LT      LT    LT
AVG CLOUDS    B1   OV OV OV OV   B2 B2 B2 B2   OV OV OV OV   B2 B2 B2
POP 12HR           40    40      40    20      30    30      30    30
RAIN SHWRS     C    C  C  C  C    S  S  S  S    C  C  C  C    C  C  S

$$
MTZ055-042300-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
309 AM MDT MON MAY 4 2015

DATE             MON 05/04/15            TUE 05/05/15            WED 05/06/15
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                      73          42          73          42          61
TEMP             37 50 66 71 72 59 50 44 43 53 70 72 69 57 47 47 42 52 56 61 57
DEWPT            28 37 39 37 33 40 41 39 39 43 40 41 47 50 41 45 40 46 37 37 39
RH               70 61 37 29 24 49 71 82 86 69 33 33 45 77 79 93 93 80 49 41 51
WIND DIR         SE SE  W NW  E  E SE  E SE  S  W  S SW  W  W  W NW NW NW NW NE
WIND SPD          6  4  3  5  4  9  9  8  6  3  4 11  9  9  6  6  9 10  9  9  6
CLOUDS           FW FW B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR                     20          10          40          60          40
QPF 12HR                      0           0        0.06        0.20        0.04
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  S              S  S  C  C  L  L  C  C  S  S  C  C  C
TSTMS                   S  S                    C  C  L  L


DATE               THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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            39    51      34    49      34    49      30    57
TEMP          43   39 46 50 36   35 45 48 36   35 43 49 37   31 52 56
DEWPT         36   36 36 33 30   32 27 38 34   31 32 31 34   27 34 34
PWIND DIR          NE    NE       E     E      NE     N       E    NE
WIND CHAR          LT    GN      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1   B2 B2 OV OV   B2 B2 B1 B1   OV OV B2 B2   B2 B2 B2
POP 12HR           50    50      40    30      30    30      30    30
RAIN SHWRS     C    C  C  C  C    S  S  C  C    C  C  C  C    C  C  C

$$
MTZ055-042300-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
309 AM MDT MON MAY 4 2015

DATE             MON 05/04/15            TUE 05/05/15            WED 05/06/15
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                      67          33          66          32          60
TEMP             27 40 60 66 64 55 43 35 34 44 63 65 65 49 42 33 34 42 57 59 55
DEWPT            26 36 34 28 32 31 35 32 33 40 37 39 42 36 35 29 33 38 40 34 34
RH               96 85 37 24 30 40 73 89 96 86 38 38 43 61 76 85 96 86 53 39 45
WIND DIR          E  S SW SW NW  E  E  E SE  S SW SW SW  W  W  N NW NW  W SW  N
WIND SPD          5  4 10 10  9  5  6  5  4  5  8 10 10  8  4  5  6  5  6  9  5
CLOUDS           SC SC SC SC B1 B1 SC SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B2
POP 12HR                     30          20          40          40          40
QPF 12HR                   0.04           0        0.07        0.14        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  C  S  S        S  S  C  C  C  C  C  C  S  S  C  C  C
TSTMS                   C  C  S  S              C  C  C  C


DATE               THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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            33    56      29    54      28    52      27    56
TEMP          43   34 54 51 38   29 48 53 35   29 47 51 35   28 50 55
DEWPT         37   33 43 38 37   28 40 36 29   28 29 36 29   27 32 33
PWIND DIR          NE     E      NE    NE      NE     N       N     N
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR           50    60      60    60      60    40      40    30
RAIN SHWRS     C    C  C  L  L    C  C  L  L    C  C  C  C    C  C  C
SNOWSHWRS                                       C  C          C  C

$$
MTZ008-042300-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
309 AM MDT MON MAY 4 2015

DATE             MON 05/04/15            TUE 05/05/15            WED 05/06/15
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                      73          44          71          42          59
TEMP             39 51 64 72 70 62 53 50 44 55 69 69 67 57 52 46 42 49 54 59 54
DEWPT            27 34 30 22 23 26 32 31 36 38 35 43 46 48 45 42 37 42 30 36 37
RH               62 52 28 15 17 25 44 48 73 53 28 39 47 72 77 86 82 77 40 42 52
WIND DIR          S SW SW  W NW NE SW  S  S SW  W  W  W NE NW NW  N NE  N  N NE
WIND SPD          5  5  5  8  5  6  4  6  5  5  5 11 11  9  5  5  5  6  6  9 10
CLOUDS           SC SC B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     20          20          40          40          40
QPF 12HR                      0           0        0.10        0.13        0.04
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  S  S  S        C  C  C  C  C  C  C  C        C  C  C
TSTMS                   S  S  S  S              C  C  C  C


DATE               THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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            40    50      35    49      35    50      32    58
TEMP          47   40 43 50 39   35 45 49 41   35 44 50 39   33 52 57
DEWPT         40   34 30 33 31   32 26 34 37   30 26 25 32   29 25 30
PWIND DIR          NE    NE      NE    NE      NE     N       N     N
WIND CHAR          GN    GN      GN    GN      GN    LT      LT    LT
AVG CLOUDS    B2   B2 B2 B2 B2   OV OV B2 B2   OV OV B2 B2   B2 B2 B2
POP 12HR           50    50      40    40      40    30      30    30
RAIN SHWRS     C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C

$$
MTZ011-042300-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
309 AM MDT MON MAY 4 2015

DATE             MON 05/04/15            TUE 05/05/15            WED 05/06/15
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                      77          40          80          44          62
TEMP             41 54 70 75 76 62 56 47 40 55 74 79 77 65 58 52 44 51 59 62 61
DEWPT            29 33 40 38 37 42 42 38 36 42 44 43 45 48 49 46 39 40 41 40 34
RH               62 45 33 26 24 48 59 71 85 61 34 28 32 54 72 80 82 66 51 44 36
WIND DIR          E  E SE SE  S SE SE SE  E  E SE SE  E NW  W  W  W NW NW NW  N
WIND SPD         11 12 13 13 11 13 16 10  8  8 13 14 11  8 11 13 14 18 20 21 16
CLOUDS           FW FW FW FW FW FW FW FW SC SC B1 B1 B2 B2 OV OV B2 B2 SC SC SC
POP 12HR                      5          10          20          60          10
QPF 12HR                      0           0           0        0.21           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                      S  S  L  L  C  C              S
TSTMS                                           S  S  L  L


DATE               THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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    55      33    54      32    55      33    63
TEMP          45   34 49 55 41   33 50 53 39   32 46 55 39   34 55 62
DEWPT         35   29 32 29 29   28 28 27 27   29 30 29 27   29 31 30
PWIND DIR           N     N      NE    NE       E     E       E     E
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC   SC SC B1 B1   B2 B2 B2 B2   B2 B2 B1 B1   B2 B2 B1
POP 12HR           30    20      20    20      30    30      30    30
RAIN SHWRS     S    C  S  S  S    S  S  S  S    C  C  C  C    C  C  S

$$
MTZ051-042300-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
309 AM MDT MON MAY 4 2015

DATE             MON 05/04/15            TUE 05/05/15            WED 05/06/15
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                      74          46          76          45          60
TEMP             40 57 69 73 72 57 52 48 47 63 74 75 73 59 52 48 45 54 56 59 59
DEWPT            30 39 39 40 40 42 43 41 40 48 41 43 49 48 48 44 42 47 37 43 35
RH               67 51 33 30 31 57 71 77 76 58 30 32 43 67 86 86 89 77 49 55 40
WIND DIR         SE SE  S SE SE SE SE  S  S SE SE SE SE SE  W NW NW NW NW NW  N
WIND SPD         10  9 11 10 12 12 11  9 10  9 11 12 10  8 11 17 16 19 20 19 14
CLOUDS           FW FW SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 SC
POP 12HR                     10          20          30          60          20
QPF 12HR                      0           0        0.03        0.27           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                    S  S        S  S  C  C  L  L  L  L  S  S        C
TSTMS                         S  S              C  C  L  L


DATE               THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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            36    50      32    48      31    48      32    59
TEMP          44   36 42 50 38   32 43 48 34   32 42 48 37   33 52 58
DEWPT         36   30 28 28 32   29 29 34 32   30 32 36 33   29 31 32
PWIND DIR           N     N      NE     E       E    NE       E    SE
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    LT
AVG CLOUDS    SC   B1 B1 B2 B2   B2 B2 OV OV   OV OV B2 B2   B2 B2 B2
POP 12HR           30    40      40    30      40    40      40    40
RAIN SHWRS     C    C  C  C  C    S  S  C  C    C  C  C  C    C  C  C
SNOWSHWRS                                                        C

$$



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