Point Forecast Matrices
Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
213 PM MDT SUN MAY 3 2015

MTZ012-041115-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
213 PM MDT SUN MAY 3 2015

DATE           05/03/15      MON 05/04/15            TUE 05/05/15            WED
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          45          76          43
TEMP          62 63 53 48 43 39 53 65 73 75 61 55 50 45 61 71 76 69 56 53 52 43
DEWPT         29 29 35 35 34 33 39 45 40 31 41 40 41 36 43 42 39 44 48 42 39 34
RH            28 27 50 60 70 79 59 48 30 20 48 57 71 70 51 35 26 40 74 66 61 70
WIND DIR      NE NE  E  E SE  S SW SE SE SE SE  S  S  S SW  W  W NW NW  W  W  W
WIND SPD       9  9 11  9  4  5  5  4  5  4  6  8  4  4  4  8  9 14 14  9  9  8
CLOUDS        SC FW FW FW FW FW FW FW FW SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1
POP 12HR                      5          10          10          30          50
QPF 12HR                      0           0           0        0.03        0.09
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                            S  S  C  C  C  C  C  C  S
TSTMS                                                       C  C  C  C


DATE           05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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      37    52      35    57      37    55      37    58
TEMP          57 61 46   37 48 51 39   35 47 57 44   38 54 53 43   37 51 58
DEWPT         30 29 31   28 36 27 30   31 34 27 33   31 33 32 37   33 38 28
PWIND DIR        NW      NE    NE       N    NE       E    NE       N     N
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    LT
AVG CLOUDS    B1 SC SC   B2 B2 B2 B2   OV OV OV OV   OV OV B2 B2   B2 B2 B2
POP 12HR         20      40    40      30    30      30    40      40    40
RAIN SHWRS     S  S  S    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S

$$
MTZ010-041115-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
213 PM MDT SUN MAY 3 2015

DATE           05/03/15      MON 05/04/15            TUE 05/05/15            WED
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          72          40          70          34
TEMP          58 59 48 43 35 32 45 62 68 72 59 52 43 41 54 66 70 64 54 49 42 34
DEWPT         22 23 25 25 27 27 33 32 29 26 29 28 36 32 38 37 36 32 31 27 27 26
RH            25 25 40 49 72 81 62 32 23 18 32 39 76 70 54 34 29 30 41 42 55 72
WIND DIR      SE  E  E SE SE  E SE SE  S SW  S SW  W  W SW  W  W  W  W  W  W  W
WIND SPD       8  8  9  9  4  4  5  9  9  9  5  5  5  6  3 11 16 18 18 10 10  9
CLOUDS        SC FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 B2 B2 SC SC B1 B1 SC
POP 12HR                      0           5          10          20          20
QPF 12HR                      0           0           0        0.01           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S  S  S
TSTMS                                                       S  S  S  S


DATE           05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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    53      32    54      34    57      34    56
TEMP          56 56 43   32 48 52 40   32 50 53 42   34 53 56 41   35 52 55
DEWPT         26 23 30   23 30 25 28   26 27 21 23   25 28 27 32   30 29 26
PWIND DIR         W       N     N       N     E       E    NE      NE     N
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      LT    LT
AVG CLOUDS    SC SC SC   B2 B2 B2 B2   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B1
POP 12HR         20      30    30      30    30      30    30      30    30
RAIN SHWRS        S  S    C  C  C  C    C  C  S  S    C  C  C  C    C  C  C
SNOWSHWRS                 C  C  C  C
TSTMS             S  S

$$
MTZ014-041115-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
213 PM MDT SUN MAY 3 2015

DATE           05/03/15      MON 05/04/15            TUE 05/05/15            WED
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          77          44          76          41
TEMP          68 69 59 50 45 39 48 66 73 77 65 56 50 44 55 70 76 70 64 54 46 41
DEWPT         24 22 27 29 30 30 41 42 37 30 38 39 38 37 45 37 38 41 38 38 30 31
RH            19 17 29 44 55 70 77 42 27 18 37 53 63 76 69 30 25 35 38 54 53 67
WIND DIR      NE  N  N SE SE SE  E SE SE SE  S  S SE  S  S  W  W  W  W  W  W  W
WIND SPD       6  5  5  2  2  3  3  5  6  4  4  3  3  3  3  9 13 13 13  8  8  6
CLOUDS        B1 FW FW FW FW FW FW SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR                     10          10          10          30          40
QPF 12HR                      0           0           0        0.03        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                            S  S  C  C  C  C  C  C  S
TSTMS                                                       C  C  C  C


DATE           05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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      41    53      36    56      37    56      37    58
TEMP          56 62 48   41 51 52 42   36 50 56 42   38 54 55 44   37 51 58
DEWPT         29 25 33   31 34 30 32   32 30 29 33   32 33 35 40   31 34 31
PWIND DIR        NW       N    NE       N    NE      NE     N       N    NW
WIND CHAR        LT      GN    GN      GN    GN      GN    GN      LT    LT
AVG CLOUDS    B2 B1 B1   OV OV OV OV   B2 B2 B2 B2   OV OV OV OV   B2 B2 B2
POP 12HR         30      40    40      40    30      30    40      40    30
RAIN SHWRS     S  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S

$$
MTZ055-041115-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
213 PM MDT SUN MAY 3 2015

DATE           05/03/15      MON 05/04/15            TUE 05/05/15            WED
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          73          42          73          41
TEMP          65 65 52 44 42 37 49 65 71 72 57 48 45 42 52 70 72 68 52 46 44 41
DEWPT         33 32 37 35 37 34 43 44 40 36 43 41 40 38 44 42 41 43 48 40 41 37
RH            30 29 56 70 82 89 80 46 32 27 59 77 82 86 74 36 33 40 86 79 89 85
WIND DIR       N NE  E  E  E SE  E  W NW  E  E SE SE SE  S  W  W NW NW NW NW  W
WIND SPD       5  5 10 10 10  6  3  2  3  3  8  6  5  4  2  5  5 10 10  8  8  6
CLOUDS        B1 B1 B1 SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2
POP 12HR                     10          20          10          30          50
QPF 12HR                      0        0.01           0        0.03        0.11
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                          S  S              S  S  C  C  C  C  C  C  C
TSTMS                               S  S                    C  C  C  C


DATE           05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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      41    52      34    53      34    54      33    57
TEMP          54 60 44   41 48 50 37   35 47 53 40   35 51 53 39   34 52 56
DEWPT         34 37 36   33 33 33 33   31 33 35 37   32 40 38 38   31 39 34
PWIND DIR        NW       E    NE      NE     E       E    NE       N    NW
WIND CHAR        LT      GN    GN      GN    LT      GN    LT      GN    GN
AVG CLOUDS    B2 B1 B1   B2 B2 OV OV   B2 B2 B1 B1   OV OV B2 B2   B2 B2 B2
POP 12HR         40      50    50      40    40      40    40      40    40
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S                                      S  S

$$
MTZ055-041115-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
213 PM MDT SUN MAY 3 2015

DATE           05/03/15      MON 05/04/15            TUE 05/05/15            WED
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                      27          68          34          68          32
TEMP          64 57 47 38 31 28 40 62 67 66 56 42 37 34 46 63 68 64 50 41 37 32
DEWPT         23 34 33 32 28 28 38 39 31 31 33 34 33 33 42 39 35 41 36 34 33 30
RH            21 42 58 79 88100 92 43 26 27 42 73 85 96 86 41 29 43 58 76 85 92
WIND DIR       W  W NE  E  E  E  S SW SW  W SE SE  E SE  S SW SW  W  W NE NE  N
WIND SPD      12  8  3  5  4  3  3  8  9  5  2  4  3  3  4  6 10  6  6  6  6  3
CLOUDS        B2 B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC B1 B1 B2 B2 B1 B1 B1
POP 12HR                     20          30          20          30          40
QPF 12HR                   0.02        0.02        0.01        0.03        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     C  S  S              C  C  S  S        S  S  C  C  C  C  C  C  C
TSTMS          C  S  S              C  C  S  S              C  C  C  C


DATE           05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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      35    55      30    53      28    53      28    52
TEMP          53 56 42   35 52 53 39   30 47 52 34   29 49 52 36   29 48 51
DEWPT         38 32 37   32 40 39 35   27 37 32 30   27 33 33 33   27 34 30
PWIND DIR        NW      SE     E      NE     E      NE    NW       N     N
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B1 B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         50      50    60      60    60      60    40      40    40
RAIN SHWRS     C  C  C    C  C  L  L    C  C  L  L    C  C  C  C    C  C  C
TSTMS             S  S          S  S                        S  S

$$
MTZ008-041115-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
213 PM MDT SUN MAY 3 2015

DATE           05/03/15      MON 05/04/15            TUE 05/05/15            WED
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                      38          74          43          71          40
TEMP          68 66 56 48 44 38 49 64 73 71 61 53 48 43 52 68 70 64 56 50 50 41
DEWPT         22 30 34 36 37 33 40 35 26 28 29 39 35 36 39 35 36 42 46 43 41 36
RH            17 26 43 63 76 82 71 34 17 20 29 59 60 76 61 29 29 45 69 77 71 82
WIND DIR       N  N NE  E  S  S SW SW SW SW  E  S  S  S SW SW  W  N  N  N  N NE
WIND SPD       8  6  6  3  4  4  4  3  5  3  4  4  5  4  4  9  9  9  9  9  9  6
CLOUDS        B1 B1 B1 FW FW SC SC B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     10          20          20          30          40
QPF 12HR                      0           0           0        0.04        0.07
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S                    S  S  S  S        C  C  C  C  C  C  C  C  C
TSTMS          S                    S  S  S  S              C  C  C  C


DATE           05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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          61      42    51      36    50      35    53      34    56
TEMP          54 55 51   42 45 51 41   36 41 50 40   36 51 52 41   34 51 56
DEWPT         36 38 42   35 32 33 36   29 26 30 36   31 33 34 37   30 32 31
PWIND DIR        NE       N    NE      NE    NE      NE     N       N     N
WIND CHAR        LT      GN    GN      GN    GN      GN    LT      GN    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   OV OV B2 B2   OV OV B2 B2   B2 B2 B2
POP 12HR         40      50    50      40    40      40    30      40    40
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S          S  S                        S  S

$$
MTZ011-041115-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
213 PM MDT SUN MAY 3 2015

DATE           05/03/15      MON 05/04/15            TUE 05/05/15            WED
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          76          41          79          42
TEMP          61 62 50 44 38 35 51 69 74 75 60 56 47 41 57 74 79 76 66 58 47 42
DEWPT         24 26 27 29 29 30 31 39 40 40 43 45 41 37 45 48 45 46 50 50 39 36
RH            24 25 41 55 70 82 46 33 29 28 53 66 79 85 64 40 30 34 56 75 74 79
WIND DIR      NE NE  E  E  E  E  E SE SE SE SE SE  E  E  E SE SE NW NW NW NW  W
WIND SPD       6  6  9 10 11 10 12 16 14 11 10 13  8  6  9 12 14 11 11 10 10 14
CLOUDS        SC FW FW FW FW SC SC FW FW SC SC FW FW SC SC B1 B1 B2 B2 OV OV B2
POP 12HR                      0           5          10          30          60
QPF 12HR                      0           0           0        0.02        0.13
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  C  C  L  L  C  C  C
TSTMS                                                       C  C  C  C


DATE           05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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      36    57      35    58      35    59      36    60
TEMP          62 64 49   36 52 56 44   35 53 57 43   36 57 57 43   37 55 59
DEWPT         40 32 39   28 33 28 30   30 26 24 31   30 35 32 36   33 37 32
PWIND DIR        NW       N     N       N     E       E     E       E    NE
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    LT
AVG CLOUDS    B2 SC SC   SC SC B1 B1   B2 B2 B2 B2   B2 B2 B1 B1   B2 B2 B2
POP 12HR         30      30    30      30    30      30    40      40    40
RAIN SHWRS     C     S    C  C  C  C    S  S  C  C    C  C  C  C    C  C  C
TSTMS                S

$$
MTZ051-041115-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
213 PM MDT SUN MAY 3 2015

DATE           05/03/15      MON 05/04/15            TUE 05/05/15            WED
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          73          45          75          42
TEMP          61 62 52 44 39 38 55 67 71 72 57 52 47 46 63 73 74 68 58 51 49 42
DEWPT         32 33 34 34 32 31 40 43 44 42 44 44 42 40 47 43 44 46 46 46 46 35
RH            33 33 50 68 76 76 57 42 38 34 62 74 83 79 56 34 34 45 64 83 89 76
WIND DIR       E  E  E SE SE SE SE SE SE SE SE SE SE  S SE  S SE  W  W NW NW NW
WIND SPD       8  8 11 10 12 10 10 11 10 11 12 10  6  6  9 10 11  8  8 12 12 16
CLOUDS        B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2
POP 12HR                      5          10          20          30          60
QPF 12HR                      0           0        0.01        0.04        0.19
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                S  S        S  S  C  C  L  L  C  C  C
TSTMS                                     S  S              C  C  C  C


DATE           05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15  SUN 05/10/15
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          61      39    49      33    53      36    52      35    53
TEMP          58 60 46   39 44 49 36   34 47 53 40   37 49 51 39   36 48 53
DEWPT         33 31 35   31 28 29 30   28 30 31 33   31 37 38 36   33 36 35
PWIND DIR        NW      NE     N       N     E       E    NE       N    NW
WIND CHAR        GN      GN    GN      GN    GN      LT    GN      GN    GN
AVG CLOUDS    B2 SC SC   B1 B1 B2 B2   B2 B2 OV OV   OV OV B2 B2   B2 B2 B2
POP 12HR         30      40    40      40    30      40    40      40    40
RAIN SHWRS     C  S  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S

$$


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