Point Forecast Matrices
Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
330 PM MDT TUE MAY 5 2015

MTZ012-061100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
330 PM MDT TUE MAY 5 2015

DATE           05/05/15      WED 05/06/15            THU 05/07/15            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                      41          59          33          54          35
TEMP             68 55 52 47 41 50 54 58 57 48 42 37 33 39 45 52 53 45 40 39 35
DEWPT            43 39 40 35 33 34 24 19 24 27 29 28 27 26 32 22 23 26 27 30 29
RH               40 55 63 63 73 54 31 22 28 44 60 70 78 59 60 31 31 47 59 70 78
WIND DIR         NW NW NW  W  W NW NW NW  N NE NE  N  N  N  N NE  E  E  E  E  E
WIND SPD         16 17 10  9 11 13 12 11 13 14 13 11  9  9  9  9 10 10  6  6  3
CLOUDS           OV OV OV OV SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     70           5          10          10          10
QPF 12HR                   0.16           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  L  C  C                                                  S
TSTMS             L  L


DATE           05/08/15  SAT 05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15
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      32    56      33    60      35    63      39    65
TEMP          53 50 38   32 49 55 40   34 54 59 43   36 58 62 47   39 58 64
DEWPT         30 27 33   29 35 21 32   29 29 22 32   29 31 24 32   32 38 23
PWIND DIR         E       E    NE       E    SE       E    SE       E     E
WIND CHAR        GN      GN    GN      GN    LT      GN    GN      GN    GN
AVG CLOUDS    B1 B2 B2   B2 B2 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         20      20    20      20    20      20    20      20    20
RAIN SHWRS     S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MTZ010-061100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
330 PM MDT TUE MAY 5 2015

DATE           05/05/15      WED 05/06/15            THU 05/07/15            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                      33          55          28          55          31
TEMP             66 52 45 37 34 47 52 55 53 43 37 31 28 36 47 54 54 46 39 35 31
DEWPT            29 27 24 24 26 30 24 22 22 23 25 24 23 25 25 22 20 24 22 26 25
RH               25 38 43 59 72 51 33 27 29 45 61 75 81 64 42 28 26 42 50 69 78
WIND DIR          W  W  W  W  W NW NW  N  N NE  N  N  N  N  N NE  E  E  E  E  E
WIND SPD         21 19 19 18 14 18 16 13 14 16 16 13 12 11 10  8  8  8  5  5  3
CLOUDS           B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC B1
POP 12HR                     20           5          10          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  S                                                        S
TSTMS             S  S


DATE           05/08/15  SAT 05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15
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    57      31    60      31    61      34    62
TEMP          49 49 35   28 50 56 39   32 53 59 41   31 56 60 45   34 56 61
DEWPT         27 23 22   24 25 22 27   27 26 24 31   23 26 21 23   27 33 20
PWIND DIR        NE      NE    NE      SE     S      SE     E      SE    SE
WIND CHAR        GN      GN    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B2 B2   B2 B2 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         20      20    20      20    20      20    20      20    20
RAIN SHWRS     S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MTZ014-061100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
330 PM MDT TUE MAY 5 2015

DATE           05/05/15      WED 05/06/15            THU 05/07/15            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                      40          63          37          57          36
TEMP             67 61 51 46 40 45 54 58 63 54 45 39 37 40 47 56 55 51 43 40 36
DEWPT            41 37 34 30 31 24 24 22 19 22 23 25 27 28 26 24 24 29 29 29 31
RH               39 41 52 53 70 43 31 25 18 28 41 57 67 62 43 29 30 42 57 64 82
WIND DIR          W  W  W  W  W NW NW NW  N  N  N  N  N  N  N  N  N  N NE NE  N
WIND SPD         14 16 12 13 11 12 10  9 12 10 11 13 12 11 11 11  9  9  4  4  4
CLOUDS           B2 B2 OV OV B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     60          10          20          30          20
QPF 12HR                   0.12           0        0.02        0.04        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  L  C  C                    S  S  C  C  S  S  S  S  S  S  C
TSTMS             L  L


DATE           05/08/15  SAT 05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15
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          57      34    57      34    61      35    65      38    68
TEMP          54 55 40   34 50 57 44   34 51 61 45   35 58 64 48   38 59 68
DEWPT         30 33 35   31 32 22 31   30 24 23 29   29 33 22 36   31 31 25
PWIND DIR        NE      NE     N       E    SE       E    SE      NE     E
WIND CHAR        LT      GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B2 B2 B1
POP 12HR         30      30    30      30    20      20    20      30    30
RAIN SHWRS     C  C  C    C  C  C  C    S  S  S  S    S  S  S  S    C  C  S

$$
MTZ055-061100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
330 PM MDT TUE MAY 5 2015

DATE           05/05/15      WED 05/06/15            THU 05/07/15            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                      40          60          36          54          33
TEMP             66 54 49 43 40 44 52 57 60 50 43 36 38 42 47 54 52 45 40 35 34
DEWPT            45 45 43 38 36 37 31 34 32 35 32 30 33 33 30 29 29 32 32 30 30
RH               47 71 80 82 85 76 44 42 35 56 65 79 82 70 51 38 41 60 73 82 85
WIND DIR          W NW  W  W NW NW NW NW NE NE NE NE NE NE NE  E  E  E  E  E  E
WIND SPD         12 12 10 10 11 10 11 11 10  9  9  8  6 10 11 13 11 11  6  6  8
CLOUDS           OV OV OV OV B2 B2 B1 B1 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                     70          20          30          40          30
QPF 12HR                   0.20        0.01        0.07        0.08        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  L  C  C  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS             L  L


DATE           05/08/15  SAT 05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15
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      33    49      30    51      29    60      33    65
TEMP          49 47 36   34 44 48 34   31 46 51 39   29 53 59 43   34 59 64
DEWPT         31 33 33   30 27 28 31   27 32 29 35   24 35 31 37   30 38 30
PWIND DIR         E       E    NE       E    NE       E    SE       E     E
WIND CHAR        GN      GN    LT      GN    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         40      40    40      30    30      20    30      30    30
RAIN SHWRS     C  C  C    C  C  C  C    C  C  S  S    S  S  C  C    C  C  S

$$
MTZ055-061100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
330 PM MDT TUE MAY 5 2015

DATE           05/05/15      WED 05/06/15            THU 05/07/15            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                      32          58          30          54          28
TEMP             62 49 40 32 34 40 52 58 55 46 39 31 31 39 47 54 52 46 36 30 29
DEWPT            36 37 35 30 33 36 39 35 30 31 34 28 29 33 37 35 35 34 31 28 28
RH               38 63 82 92 96 85 61 42 38 55 82 88 92 79 68 48 52 63 82 92 96
WIND DIR          W  W  S NE  N  N NW NW NE NE NE NE NE  E SE NE NE NE  E  E  E
WIND SPD          8  6  2  4  5  5  5  9 10 10  9  6  9  9  6 12  8  8  5  5  4
CLOUDS           OV OV B2 B2 OV OV B2 B2 B1 B1 B1 B1 B2 B2 OV OV B2 B2 B2 B2 B2
POP 12HR                     60          50          40          60          40
QPF 12HR                   0.15        0.07        0.15        0.23        0.14
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  L  C  C  C  C  C  C  C  C  C  C  L  L  L  L  C  C  C  C  C
SNOWSHWRS                                                                     C
TSTMS             L  L              S  S  S  S              S  S  S  S


DATE           05/08/15  SAT 05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15
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      28    50      27    53      25    58      28    62
TEMP          50 50 37   28 45 49 33   28 47 52 36   26 52 57 38   29 55 61
DEWPT         40 38 34   28 35 33 28   26 27 31 31   25 28 23 32   27 35 29
PWIND DIR        NE      NE    NE      NE     N       E     S       S     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1   B1 B1 B2 B2   B1 B1 B1
POP 12HR         50      50    50      30    20      30    30      30    30
RAIN SHWRS     C  C  C    C  C  C  C                  C  C  C  C    S  S  C
SNOWSHWRS      C          C  C          S  S          C  C

$$
MTZ008-061100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
330 PM MDT TUE MAY 5 2015

DATE           05/05/15      WED 05/06/15            THU 05/07/15            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          60          38          55          34
TEMP             63 54 50 47 40 40 50 58 59 52 45 42 38 40 46 55 50 47 40 39 34
DEWPT            40 43 42 38 34 34 32 34 27 34 34 31 32 29 31 29 32 31 31 31 30
RH               43 66 74 71 79 79 50 40 29 50 65 65 79 64 55 37 50 53 70 73 85
WIND DIR          N  N NE NE NE  N  N  N NE NE NE  N  N  N NE NE NE NE  N  N  N
WIND SPD          9 11  8  4  8 10 11 12 13 16 10  9 11 14 16 17 10 10  8  8  6
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                     60          30          50          50          30
QPF 12HR                   0.10        0.03        0.12        0.13        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  L  C  C  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS             L  L              S  S                    S  S


DATE           05/08/15  SAT 05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15
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      35    52      31    53      32    61      36    67
TEMP          49 52 40   35 46 52 39   31 46 53 40   33 55 60 46   37 61 66
DEWPT         29 33 34   30 32 24 33   27 24 22 35   26 25 20 32   28 29 25
PWIND DIR        NE      NE     N       N     N      NE    SE      NE    SE
WIND CHAR        GN      GN    GN      GN    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         40      30    30      20    20      20    30      30    20
RAIN SHWRS     C  C  C    C  C  S  S    S  S  S  S    S  S  C  C    S  S  S

$$
MTZ011-061100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
330 PM MDT TUE MAY 5 2015

DATE           05/05/15      WED 05/06/15            THU 05/07/15            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                      43          62          31          57          33
TEMP             77 63 57 49 43 48 58 62 60 51 41 35 31 41 49 56 56 49 41 36 34
DEWPT            40 47 48 40 37 39 35 31 30 32 31 29 26 29 26 25 24 23 28 29 29
RH               26 56 72 71 79 71 42 31 32 48 67 78 81 62 40 30 29 36 59 75 82
WIND DIR          S NW NW  W  W  W NW NW NW  N  N NW NW NW NW NW  N  N  E  E  E
WIND SPD         10 12 17 17 13 19 19 21 19 16 13 12 11 12 13 12  6  6  6  6  8
CLOUDS           B2 B2 OV OV B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
POP 12HR                     70          10           5           5           5
QPF 12HR                   0.14           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        L  L  L  L                                                  S
TSTMS             L  L


DATE           05/08/15  SAT 05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15
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          57      30    60      34    62      33    65      35    66
TEMP          54 55 40   30 54 59 43   34 56 61 44   34 60 63 46   35 60 65
DEWPT         30 26 28   26 28 28 33   28 31 27 32   27 30 29 30   28 34 31
PWIND DIR         E       E     E      SE    SE      SE    SE       E    SE
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    BZ
AVG CLOUDS    B1 B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    20      20    20      20    20      20    20
RAIN SHWRS     S  S       S  S  S  S    S  S  S  S          S  S    S  S  S

$$
MTZ051-061100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
330 PM MDT TUE MAY 5 2015

DATE           05/05/15      WED 05/06/15            THU 05/07/15            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                      42          58          31          53          34
TEMP             66 52 48 43 42 46 53 55 58 47 41 35 31 38 45 52 52 45 40 37 34
DEWPT            47 47 43 37 34 30 26 28 29 32 30 28 26 25 23 25 24 29 31 29 28
RH               50 83 83 79 73 53 35 35 33 56 65 75 81 59 41 35 33 53 70 72 78
WIND DIR          E NW NW NW NW NW NW NW  N NW  N NW NW NW NW  N  N  N SE SE  E
WIND SPD         10 11 13 16 17 16 18 17 14 10  9  8 10 11 12 11  6  6  5  5  5
CLOUDS           OV OV OV OV OV OV B1 B1 SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     80          20          10          10          20
QPF 12HR                   0.31        0.02           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        O  O  L  L  S  S                                S  S  S  S  C
TSTMS             O  O


DATE           05/08/15  SAT 05/09/15  SUN 05/10/15  MON 05/11/15  TUE 05/12/15
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          50      31    52      32    56      35    61      36    63
TEMP          49 48 37   31 44 52 37   33 49 56 40   36 55 60 42   37 57 62
DEWPT         29 29 32   27 29 28 33   28 29 29 33   28 29 32 31   32 34 34
PWIND DIR         E       E    NE      SE    SE      SE    SE      SE    SE
WIND CHAR        GN      GN    GN      GN    LT      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B1 B1   B1 B1 B1 B1   SC SC B1 B1   B1 B1 B1
POP 12HR         30      40    40      30    30      20    20      20    20
RAIN SHWRS     C  C  C    C  C  C  C    C  C  S  S    S  S  S  S    S  S  S

$$


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