Point Forecast Matrices
Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
259 PM MDT SUN MAY 24 2015

MTZ012-251115-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
259 PM MDT SUN MAY 24 2015

DATE           05/24/15      MON 05/25/15            TUE 05/26/15            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                      44          70          48          69          48
TEMP          63 64 57 51 48 44 58 65 69 69 62 55 53 48 58 63 69 67 60 56 53 48
DEWPT         44 44 45 45 43 43 50 48 45 47 52 49 50 46 53 56 50 48 55 53 53 48
RH            50 48 64 80 83 96 75 54 42 45 70 80 89 93 83 78 51 50 84 90100100
WIND DIR       E  E  E SE SW SW SW SE SE  E  E SW SW  W  W NW  N  E  E  E  E  W
WIND SPD      10  9  5  3  4  5  5  3  5  5  4  3  6  3  6  3  3  4  4  1  1  5
CLOUDS        B1 B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2
POP 12HR                     20          10          30          60          60
QPF 12HR                      0           0        0.05        0.13        0.16
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  S                       C  C  C  C  L  L  L  L  L  L  C  C  C
TSTMS          S  S                       C  C              S  S  S  S


DATE           05/27/15  THU 05/28/15  FRI 05/29/15  SAT 05/30/15  SUN 05/31/15
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      46    67      46    65      46    76      53    74
TEMP          58 62 51   47 64 65 53   46 62 64 54   47 73 72 58   54 73 70
DEWPT         54 53 48   46 56 49 49   45 52 41 45   45 53 40 50   49 50 44
PWIND DIR         W      NW    NW      NE    NE      SE     S      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      GN    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC B1
POP 12HR         50      50    40      40    30      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          S  S          S  S          S

$$
MTZ010-251115-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
259 PM MDT SUN MAY 24 2015

DATE           05/24/15      MON 05/25/15            TUE 05/26/15            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          71          44          68          45
TEMP          65 67 57 51 42 41 59 66 70 70 60 54 48 44 56 62 67 67 59 54 48 45
DEWPT         43 39 39 41 39 38 48 43 47 42 47 48 46 42 52 50 61 47 55 52 47 44
RH            45 36 51 68 89 89 67 43 44 36 62 80 93 93 86 65 81 49 87 93 96 96
WIND DIR       E  E SE SW  W  W  W SE SE  S  W  W  W  W NW  N NE NE NE NW NW NW
WIND SPD       6  8  5  3  5  2  2  6  6  5  8  4  5  4  8  3  5  3  3  2  2  6
CLOUDS        SC SC SC FW FW FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     20          10          30          60          60
QPF 12HR                      0           0        0.05        0.12        0.17
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  S                       C  C  C  C  L  L  C  C  L  L  C  C  C
TSTMS          S  S                       C  C              C  C  S  S


DATE           05/27/15  THU 05/28/15  FRI 05/29/15  SAT 05/30/15  SUN 05/31/15
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          64      42    68      40    65      44    74      50    75
TEMP          60 64 51   43 65 66 53   40 58 65 53   45 71 72 57   50 69 73
DEWPT         54 52 49   41 50 45 47   38 41 39 45   42 50 40 45   45 49 44
PWIND DIR         N       W    NW       N     E      SE     S      SW     W
WIND CHAR        LT      LT    LT      LT    LT      GN    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   B2 B2 B1 B1   SC SC SC SC   SC SC B1
POP 12HR         60      40    40      40    30      30    20      20    10
RAIN SHWRS     C  L  C    C  C  C  C    C  C  C  C    S  S  S  S
TSTMS             S  S          S  S          S  S          S  S

$$
MTZ014-251115-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
259 PM MDT SUN MAY 24 2015

DATE           05/24/15      MON 05/25/15            TUE 05/26/15            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                      45          72          49          71          49
TEMP          65 64 61 51 48 45 55 67 71 70 63 54 50 50 55 66 71 64 60 55 51 49
DEWPT         44 47 43 42 40 41 47 44 45 44 45 42 42 44 50 45 54 48 50 48 47 46
RH            46 54 51 71 74 86 74 43 39 39 52 64 74 80 83 47 55 56 69 77 86 89
WIND DIR       N  N  N  W  W SW  N SE  E NW SW SW SW  S  W  N NE  N  N  W  W  W
WIND SPD       6  8  4  3  3  3  2  2  2  3  5  3  3  2  4  2  2  3  3  3  3  3
CLOUDS        B1 B1 B1 SC SC SC SC SC SC B1 B1 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     20          20          40          60          60
QPF 12HR                   0.01        0.01        0.07        0.10        0.17
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  S  S              S  S  C  C  C  C  C  C  L  L  L  L  C  C  C
TSTMS          S  S                 S  S  C  C              S  S  S  S


DATE           05/27/15  THU 05/28/15  FRI 05/29/15  SAT 05/30/15  SUN 05/31/15
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      47    68      47    70      47    78      48    79
TEMP          62 61 52   47 63 67 53   48 65 70 57   48 76 74 59   49 76 75
DEWPT         47 51 47   43 47 50 45   43 44 43 43   42 48 42 47   41 49 46
PWIND DIR         W      NW     W       N    NE       E     S      SW     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   SC SC SC SC   SC SC B1
POP 12HR         60      50    40      40    30      30    20      20    20
RAIN SHWRS     C  L  C    C  C  C  C    C  C  C  C    S  S  S  S    S  S  S
TSTMS             S  S          S  S          S  S          S  S          S

$$
MTZ055-251115-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
259 PM MDT SUN MAY 24 2015

DATE           05/24/15      MON 05/25/15            TUE 05/26/15            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          67          44          67          45
TEMP          58 59 53 45 43 39 49 60 65 66 58 50 47 44 54 64 67 62 57 50 50 45
DEWPT         46 45 46 40 40 37 43 42 44 43 46 42 42 41 47 48 51 46 50 43 47 43
RH            64 60 77 82 89 92 80 51 46 43 64 74 83 89 77 56 56 56 77 77 89 93
WIND DIR      NE  E  E SE SE SE  S  W NW  E SE SE  S  S  S SW  W SE SE  S  S SW
WIND SPD       4  5  5  3  2  3  2  2  3  3  3  3  4  2  4  3  3  0  0  2  2  3
CLOUDS        B2 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     50          20          30          60          60
QPF 12HR                   0.04        0.02        0.06        0.11        0.18
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     L  C  C  S  S  S  S  S  S  C  C  C  C  C  C  L  L  L  L  C  C  C
TSTMS          L  C                 S  S  C  C              S  S  S  S


DATE           05/27/15  THU 05/28/15  FRI 05/29/15  SAT 05/30/15  SUN 05/31/15
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          65      42    64      42    66      43    74      47    76
TEMP          63 64 48   43 59 63 48   43 61 65 48   45 71 70 55   48 73 72
DEWPT         51 50 42   41 47 48 41   40 45 43 40   41 45 40 45   43 49 49
PWIND DIR        SW       W     W      NE     E       E     S       S    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B1 B1   B2 B2 B2 B2   B1 B1 B1 B1   SC SC SC SC   SC SC SC
POP 12HR         40      40    40      40    30      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          S  S          S  S          S

$$
MTZ055-251115-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
259 PM MDT SUN MAY 24 2015

DATE           05/24/15      MON 05/25/15            TUE 05/26/15            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                      33          61          37          59          36
TEMP          55 55 48 40 35 34 43 58 61 59 48 41 40 37 47 56 59 56 50 41 39 36
DEWPT         40 38 42 39 34 34 41 41 40 38 39 40 39 37 45 48 40 43 43 40 39 36
RH            57 53 80 96 96100 93 53 46 45 71 96 96100 93 74 49 62 77 96100100
WIND DIR       N NE NE NE NE NE  E  W  W SW  S  S  S  S  S SW SW SW SW  S  S  S
WIND SPD      11  6  5  3  3  3  2  4  5  5  6  4  3  4  8  8  8  6  6  3  3  4
CLOUDS        B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2
POP 12HR                     30          40          50          60          60
QPF 12HR                   0.02        0.05        0.08        0.13        0.19
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     C  C  S        S  S  C  C  C  C  C  C  C  C  L  L  L  L  C  C  C
TSTMS          C  C                 C  C  C  C              S  S  S  S


DATE           05/27/15  THU 05/28/15  FRI 05/29/15  SAT 05/30/15  SUN 05/31/15
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          58      34    60      35    64      36    66      35    68
TEMP          55 53 40   35 57 57 42   36 60 62 45   37 62 63 45   36 64 65
DEWPT         42 38 38   34 40 34 38   34 45 39 42   36 40 38 42   35 48 43
PWIND DIR        SW       S    SW       N    NE       E     S      SW     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B1 B2   B1 B1 B1 B1   B1 B1 B1 B1   SC SC B1 B1   SC SC SC
POP 12HR         40      50    40      40    30      30    20      20    20
RAIN SHWRS     C  C  C    C  C  C  C    C  C  C  C    S  S  S  S          S
TSTMS             S  S          S  S          S  S          S  S          S

$$
MTZ008-251115-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
259 PM MDT SUN MAY 24 2015

DATE           05/24/15      MON 05/25/15            TUE 05/26/15            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                      40          67          44          65          44
TEMP          59 61 53 47 43 40 50 60 65 66 58 52 49 44 53 63 64 63 56 51 47 44
DEWPT         42 42 43 41 39 37 41 39 39 42 45 43 43 41 48 45 46 45 50 45 43 41
RH            53 49 69 79 86 89 71 46 38 42 62 71 80 89 83 52 52 52 80 80 86 89
WIND DIR       N  N NE NE  S SE SW NW NW NW  N  N  S  S SW SW  W  N  N SW SW SW
WIND SPD      12 11  9  2  4  3  4  2  3  4  4  2  2  2  4  4  4  1  1  2  2  4
CLOUDS        B1 B1 B1 SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC
POP 12HR                     30          30          50          60          60
QPF 12HR                   0.02        0.03        0.08        0.11        0.13
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     C  C  S        S  S  C  C  C  C  C  C  C  C  L  L  L  L  C  C  C
TSTMS          C  C                 C  C  C  C              S  S  S  S


DATE           05/27/15  THU 05/28/15  FRI 05/29/15  SAT 05/30/15  SUN 05/31/15
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          65      41    65      43    69      45    74      49    76
TEMP          63 63 48   42 61 64 50   44 63 68 52   46 69 72 56   50 74 73
DEWPT         45 45 40   39 43 44 42   42 41 41 43   41 42 41 45   43 48 44
PWIND DIR        SW      NW    NW       N    NE       E     S      SW     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC B1 B1   B1 B1 B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC B1
POP 12HR         40      40    40      40    30      30    20      20    30
RAIN SHWRS     C  C  C    C  C  C  C    S  S  C  C    S  S  S  S    S  S  C
TSTMS             S  S          S  S          S  S          S  S          S

$$
MTZ011-251115-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
259 PM MDT SUN MAY 24 2015

DATE           05/24/15      MON 05/25/15            TUE 05/26/15            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                      43          74          46          75          47
TEMP          71 71 61 52 47 43 59 71 73 73 64 57 52 46 60 72 74 74 64 56 52 47
DEWPT         39 43 42 41 40 39 48 49 45 48 49 49 47 43 54 52 53 51 53 48 47 44
RH            31 36 49 66 76 86 67 46 37 41 58 75 83 89 81 49 48 44 67 74 83 89
WIND DIR       E  E  E SE  E  E SE SE SE SE SE SE SE SE  S SE SE  E  E SE SE NE
WIND SPD      11  9  5  3  3  3  2  5  8  8  6  5  4  3  4  5  5  5  5  3  3  2
CLOUDS        B1 B2 B2 SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B2
POP 12HR                     20          10          20          30          30
QPF 12HR                      0           0        0.02        0.05        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  S                       S  S  S  S  C  C  C  C  C  C  C  C  C
TSTMS          S  S                       S  S              C  C  S  S


DATE           05/27/15  THU 05/28/15  FRI 05/29/15  SAT 05/30/15  SUN 05/31/15
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          70      47    73      43    69      44    80      51    81
TEMP          70 68 55   48 70 71 55   43 63 68 54   45 74 78 60   52 77 79
DEWPT         55 53 50   46 49 47 44   39 40 43 43   41 49 47 48   48 51 49
PWIND DIR         E      NW    NW      NE     E      SE    SE       S    SW
WIND CHAR        LT      LT    LT      GN    GN      GN    GN      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B1 B1   B1 B1 SC SC   FW FW SC SC   SC SC SC
POP 12HR         50      40    30      30    20      20    20      20    10
RAIN SHWRS     C  C  C    C  C  C  C    S  S  S  S          S  S
TSTMS             S  S          S  S          S  S          S  S

$$
MTZ051-251115-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
259 PM MDT SUN MAY 24 2015

DATE           05/24/15      MON 05/25/15            TUE 05/26/15            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                      43          65          46          67          47
TEMP          60 61 56 48 46 44 57 63 65 62 57 50 50 46 59 64 67 64 58 49 52 47
DEWPT         45 46 47 43 42 41 46 46 47 46 47 45 46 42 50 48 49 48 49 43 48 43
RH            58 58 72 83 86 89 67 54 52 56 69 83 86 86 72 56 52 56 72 80 86 86
WIND DIR      NE  E  E  S  S SW  S  E SE SE  E  S  S SW  W  N NE  E  E  S  S SW
WIND SPD       6  5  3  3  3  4  2  3  5  4  5  6  5  4  4  3  5  4  4  3  3  3
CLOUDS        B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     30          30          20          40          50
QPF 12HR                   0.03        0.05        0.04        0.09        0.14
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     C  C  C  S  S  C  C  C  C  S  S  S  S  C  C  C  C  C  C  C  C  L
TSTMS          C  C                 C  C  S  S              C  C  S  S


DATE           05/27/15  THU 05/28/15  FRI 05/29/15  SAT 05/30/15  SUN 05/31/15
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          60      45    64      44    64      47    75      52    76
TEMP          56 59 47   47 62 62 49   45 60 63 52   48 72 72 60   53 73 73
DEWPT         50 50 44   45 52 50 44   41 47 46 45   42 52 48 51   46 52 50
PWIND DIR         W      NW    NW       N     E      SE     S      SW     W
WIND CHAR        LT      LT    LT      LT    LT      GN    GN      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   SC SC SC SC   SC SC B1
POP 12HR         60      50    50      50    30      30    20      20    20
RAIN SHWRS     L  L  C    C  C  C  C    C  C  C  C    S  S  S  S          S
TSTMS             S  S          S  S          S  S          S  S          S

$$



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