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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
227 PM MDT SAT MAY 2 2015

MTZ012-031115-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
227 PM MDT SAT MAY 2 2015

DATE           05/02/15      SUN 05/03/15            MON 05/04/15            TUE
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                      35          65          39          75          45
TEMP          70 68 54 45 41 35 47 56 63 64 52 46 43 39 52 66 73 74 61 56 49 45
DEWPT         20 19 22 27 27 28 30 33 29 27 37 35 35 33 37 41 37 33 37 38 37 34
RH            15 15 28 49 57 75 51 42 27 24 56 65 73 79 56 40 27 22 41 51 63 65
WIND DIR      NW NW  N NE NE  N SE  E  E  E  E  E SE  S SW  S  S  S  S  S  S SW
WIND SPD      18 16  9  9  5  3  4  4  4  8  9  8  2  4  2  4  4  5  5  6  6  6
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      5           5           5          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                                    S


DATE           05/05/15  WED 05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15
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          73      40    61      37    46      35    56      36    60
TEMP          70 70 51   40 59 58 48   37 41 46 40   36 53 55 45   36 52 60
DEWPT         43 38 39   32 32 26 42   31 35 30 36   29 24 31 37   33 38 28
PWIND DIR         W      NW    NW       N     N       N     N      NE     N
WIND CHAR        LT      GN    GN      GN    GN      GN    LT      GN    GN
AVG CLOUDS    SC B1 B1   B1 B1 B1 B1   OV OV OV OV   B2 B2 B2 B2   B2 B2 B2
POP 12HR         40      40    30      30    30      30    20      20    20
RAIN SHWRS     S  C  C    S  S  C  C    C  C  C  C    S  S  S  S    S  S  S
TSTMS             S  S          S  S

$$
MTZ010-031115-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
227 PM MDT SAT MAY 2 2015

DATE           05/02/15      SUN 05/03/15            MON 05/04/15            TUE
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          61          33          72          39
TEMP          57 55 46 39 34 30 43 53 59 60 50 43 36 34 47 64 70 71 60 52 40 43
DEWPT         26 22 25 26 26 24 30 25 25 23 27 25 28 28 33 33 31 27 30 29 29 34
RH            30 27 43 59 72 78 60 33 27 24 41 49 72 78 58 31 23 19 32 41 64 70
WIND DIR      NW  N  N  N  W SW SE  S  S  E  E SE SE SE SE  S  S SW SW  W  W  W
WIND SPD      17 12 10  4  2  2  5  8  6  6  8  8  4  3  4  5  9  8  8  8  8 12
CLOUDS        SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR                     10           5           5          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                                    S


DATE           05/05/15  WED 05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15
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          67      34    58      33    46      30    54      32    59
TEMP          64 66 48   34 56 55 43   33 39 46 38   30 50 53 40   32 52 58
DEWPT         36 31 25   25 27 26 34   28 32 31 33   26 35 34 33   26 32 28
PWIND DIR         W       W    NW       N     N       N     N      NE     N
WIND CHAR        GN      GN    GN      GN    BZ      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B1   SC SC B1 B1   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B1
POP 12HR         20      20    30      40    40      30    30      20    20
RAIN SHWRS     S  S  S    S  S  C  C    C  C  C  C    C  C  S  S    S  S  S
SNOWSHWRS                               C  C  C  C
TSTMS             S  S          S  S

$$
MTZ014-031115-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
227 PM MDT SAT MAY 2 2015

DATE           05/02/15      SUN 05/03/15            MON 05/04/15            TUE
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                      36          70          39          75          44
TEMP          71 72 59 47 43 36 46 58 66 70 58 49 45 39 48 65 72 75 66 53 47 44
DEWPT         19 18 23 22 26 25 26 31 28 25 29 31 33 32 40 41 44 32 38 33 32 33
RH            14 13 25 37 51 64 45 36 24 18 33 50 62 76 74 41 37 21 36 46 56 65
WIND DIR      NW NW NW NW NW NW NW  N  N  N NW SW SE SE SE  S SW SW SW SE SE  S
WIND SPD      16 12  9  5  6  3  2  2  3  3  5  2  3  2  4  4  2  3  3  3  3  3
CLOUDS        B1 SC SC SC SC FW FW B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR                      5          10          10          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                                    C


DATE           05/05/15  WED 05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15
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          73      41    61      40    50      35    57      36    58
TEMP          67 71 51   41 59 60 52   40 44 50 45   35 53 56 45   36 49 58
DEWPT         34 35 36   33 29 33 38   33 32 29 33   30 24 33 34   32 33 34
PWIND DIR        SW      NW    NW      NE     N       N     N       N     N
WIND CHAR        LT      LT    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B1   B2 B2 B2 B2   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         30      30    30      40    40      30    20      20    20
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    S  S  S  S    S  S  S
TSTMS             S  S          S  S

$$
MTZ055-031115-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
227 PM MDT SAT MAY 2 2015

DATE           05/02/15      SUN 05/03/15            MON 05/04/15            TUE
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                      35          67          37          72          43
TEMP          71 67 56 46 40 35 46 60 65 66 51 43 40 37 49 65 69 71 58 48 43 45
DEWPT         31 29 39 35 34 28 34 36 36 34 40 37 35 34 42 42 42 36 43 41 39 40
RH            23 24 53 65 79 75 63 41 34 30 66 79 82 89 77 43 37 28 57 77 86 82
WIND DIR      NW NW  N NW SW SE  E  N  N  E  E SE  E SE SE SW  W SW SW SE SE  S
WIND SPD      11  9  5  3  3  3  4  1  3  2  8  5  9  4  3  2  3  3  3  6  6  5
CLOUDS        B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR                     10          10          10          20          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S                                            S  S              S
TSTMS                                                       S  S


DATE           05/05/15  WED 05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15
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          73      39    60      38    52      35    53      34    55
TEMP          69 67 47   40 58 58 46   38 49 47 40   35 51 52 41   34 49 55
DEWPT         42 48 41   36 37 40 41   36 37 33 36   32 34 33 39   30 40 37
PWIND DIR         S       W    NW      NE     N      NE    NE      NE    NE
WIND CHAR        LT      GN    LT      LT    LT      LT    LT      GN    LT
AVG CLOUDS    SC B1 B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         40      40    40      40    40      40    30      30    30
RAIN SHWRS     S  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S          S  S

$$
MTZ055-031115-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
227 PM MDT SAT MAY 2 2015

DATE           05/02/15      SUN 05/03/15            MON 05/04/15            TUE
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          66          29          67          31
TEMP          68 64 55 40 31 30 39 59 66 62 50 38 31 30 40 60 67 65 56 43 35 31
DEWPT         19 23 26 27 25 28 32 28 29 32 33 32 28 29 37 36 34 34 34 34 31 30
RH            15 21 32 59 78 92 76 30 25 32 52 79 88 96 89 41 29 31 43 70 85 96
WIND DIR       W  W  W  N NE NE SW SW SW NW SE  E NE SE  S SW SW SW SW SE SE SE
WIND SPD      17 10  3  4  3  3  2  6  6  5  3  3  4  3  3  8 10  4  4  4  4  5
CLOUDS        SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          30          20          20          20
QPF 12HR                   0.02        0.03        0.03           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  S  S              C  C  S  S              S  S  S  S  S  S  S
TSTMS                               C  C                    S  S


DATE           05/05/15  WED 05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15
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          68      31    60      30    55      29    55      28    55
TEMP          61 64 43   31 57 55 40   31 53 52 37   30 52 53 36   29 49 54
DEWPT         41 36 35   30 28 29 33   30 38 32 32   29 34 34 33   27 34 31
PWIND DIR         S      SW    NW       S    SE       N    NE      NE     S
WIND CHAR        LT      LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    SC B1 B1   B1 B1 B1 B1   B2 B2 B1 B1   B1 B1 B2 B2   B2 B2 B1
POP 12HR         30      30    30      30    40      40    40      40    40
RAIN SHWRS     S  C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S          S  S

$$
MTZ008-031115-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
227 PM MDT SAT MAY 2 2015

DATE           05/02/15      SUN 05/03/15            MON 05/04/15            TUE
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          69          40          72          43
TEMP          71 70 59 50 45 38 46 60 67 68 57 49 46 40 49 64 72 70 62 52 46 43
DEWPT         16 22 29 29 29 26 28 27 25 30 38 37 36 34 39 34 25 25 26 32 32 30
RH            12 16 32 44 53 62 49 28 20 24 49 63 68 79 68 32 17 18 25 46 58 60
WIND DIR       W NW  N  N  W  S NW  N  N  N NE  E SW  S SW SW  W NW NW  S  S  S
WIND SPD      17 11  8  2  2  3  2  2  5  4  4  1  2  2  3  3  6  3  3  5  5  6
CLOUDS        B1 B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 SC SC SC SC B1
POP 12HR                     10          20          10          20          20
QPF 12HR                      0        0.01           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S                    S  S                    S  S  S  S        C
TSTMS                               S  S                    S  S


DATE           05/05/15  WED 05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15
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      39    58      38    53      34    52      35    56
TEMP          66 64 48   39 57 54 48   38 50 50 47   34 52 50 42   35 50 56
DEWPT         35 42 39   35 34 39 40   34 32 28 37   30 31 34 37   28 29 33
PWIND DIR        SW       W     N      NE    NE      NE    NE      NE     N
WIND CHAR        GN      LT    LT      LT    LT      GN    GN      GN    LT
AVG CLOUDS    B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         40      40    40      40    40      30    40      40    30
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

$$
MTZ011-031115-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
227 PM MDT SAT MAY 2 2015

DATE           05/02/15      SUN 05/03/15            MON 05/04/15            TUE
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          64          35          76          43
TEMP          67 64 53 45 40 33 46 57 62 63 51 43 37 36 54 69 75 75 61 56 47 43
DEWPT         31 28 23 31 29 27 29 25 24 26 28 29 28 30 33 39 38 38 44 44 40 39
RH            26 25 31 58 64 78 51 29 23 24 41 57 70 79 45 33 26 26 53 64 76 86
WIND DIR       N  N  N  N NW NW  E  E SE NE  E  E  E  E SE SE SE SE SE SE SE SE
WIND SPD      17 12  9  5  2  3  4  3  3  4  8  9  8  9 10 12 14  8  8  8  8  6
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      5           5           5          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                                    S


DATE           05/05/15  WED 05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15
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          76      39    65      37    55      34    61      34    63
TEMP          72 72 55   39 62 62 48   37 51 54 41   35 55 60 43   35 56 62
DEWPT         48 44 48   32 35 30 40   34 38 38 35   32 35 31 38   31 38 29
PWIND DIR         S      NW    NW       N    NW       N    NE      NE    NE
WIND CHAR        LT      GN    GN      GN    GN      GN    LT      GN    GN
AVG CLOUDS    SC B1 B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   B2 B2 B1
POP 12HR         30      40    40      30    30      30    30      20    20
RAIN SHWRS     S  C  C    C  C  C  C    C  C  C  C    C  C  S  S    S  S  S
TSTMS             S  S          S  S

$$
MTZ051-031115-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
227 PM MDT SAT MAY 2 2015

DATE           05/02/15      SUN 05/03/15            MON 05/04/15            TUE
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          63          38          72          45
TEMP          71 68 52 44 37 34 47 56 61 62 49 44 40 39 56 66 71 71 57 53 47 46
DEWPT         30 31 35 34 28 28 29 31 32 33 34 34 32 33 41 42 43 42 45 44 41 38
RH            22 25 52 68 70 78 49 38 33 33 56 68 73 79 57 42 36 35 64 71 79 73
WIND DIR      NW NW  N NE  E SE SE SE  E  E  E SE SE SE SE SE SE SE SE  S  S  S
WIND SPD      18 12  8  5  3  3  8  6  6  8  9  9 11  8 10  9 11  8  8  9  9  8
CLOUDS        B1 SC SC B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     10           5           5          10          20
QPF 12HR                      0           0           0           0        0.04
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                        S  S  S  S  S


DATE           05/05/15  WED 05/06/15  THU 05/07/15  FRI 05/08/15  SAT 05/09/15
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          74      42    59      37    49      34    56      35    58
TEMP          73 67 51   42 57 57 46   37 44 49 40   34 51 55 41   36 52 57
DEWPT         44 44 43   38 36 34 42   33 34 37 34   31 33 32 37   31 38 38
PWIND DIR        SW       N    NW       N    NW      NW    SW      NE    NE
WIND CHAR        LT      GN    BZ      GN    GN      GN    LT      LT    GN
AVG CLOUDS    SC B1 B1   B2 B2 B1 B1   OV OV OV OV   B2 B2 B2 B2   B2 B2 B2
POP 12HR         40      40    40      40    40      40    30      20    30
RAIN SHWRS     S  C  C    C  C  C  C    C  C  C  C    C  C  S  S    S  S  C
TSTMS             S  S          S  S

$$


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