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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 AM MDT THU MAY 23 2013

MTZ012-232300-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
337 AM MDT THU MAY 23 2013

DATE             THU 05/23/13            FRI 05/24/13            SAT 05/25/13
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                      59          42          63          40          66
TEMP             46 50 55 58 58 51 46 44 42 53 61 63 62 53 46 43 40 52 61 65 65
DEWPT            43 45 44 45 46 47 46 44 41 40 34 33 32 33 36 37 36 39 37 36 36
RH               89 83 66 62 64 86100100 96 61 36 32 32 46 68 79 85 61 41 34 34
WIND DIR         SE SW SW  N  N  N NW SW SW SW SW SW  W  W  W  W  W  W  W  W  W
WIND SPD         12  8  4  6  8  6 10 18 19 19 19 20 12 12  9  9  6  6  9  9  6
CLOUDS           B2 B2 B2 B2 OV OV B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC B1 B1 B1
POP 12HR                     40          80          20          10          20
QPF 12HR                   0.05        0.31        0.01           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN                          D  D  D  D
RAIN SHWRS        C  C  C  C              S  S  S  S                    S  S  S
TSTMS                   C  C  S  S              S  S                    S  S  S


DATE               SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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            44    68      44    69      45    71      47    70
TEMP          50   44 63 68 53   45 64 68 53   46 66 70 54   47 65 67
DEWPT         39   37 38 37 38   37 40 41 43   42 43 43 46   43 45 41
PWIND DIR           W    SW      NW     W      SW    SW      SW    SW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1   B1 B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           20    30      40    40      30    30      20    40
RAIN SHWRS     S    S  S  C  C    C  C  C  C    C  C  S  S    S  S  C
TSTMS          S          C  C          C  C          S  S          C

$$
MTZ010-232300-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
337 AM MDT THU MAY 23 2013

DATE             THU 05/23/13            FRI 05/24/13            SAT 05/25/13
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                      53          40          59          37          62
TEMP             46 47 48 52 52 49 46 43 40 51 57 58 57 49 44 41 38 51 57 61 61
DEWPT            41 44 46 47 44 43 43 41 38 38 33 32 31 34 34 34 34 37 35 32 32
RH               83 89 93 83 74 80 89 93 92 61 40 37 37 56 68 76 85 59 43 33 33
WIND DIR          E NE SW  W NW NW NW  W  W  W  W SW  W  W NW NW  W  W SW SW SW
WIND SPD         10  4  6  6  8 11 10 18 19 17 20 21 16 16 13 13 11 11 14 14 11
CLOUDS           OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC B1 B1 B1
POP 12HR                    100          90          30          10          20
QPF 12HR                   0.12        0.35        0.02           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN              D  D        D  D  D  D
RAIN SHWRS              C  C              S  S  C  C                    S  S  S
TSTMS                   C  C                    S  S                    S  S  S


DATE               SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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            41    66      43    67      44    71      45    70
TEMP          47   42 59 65 49   43 61 67 51   44 63 70 53   45 63 69
DEWPT         33   32 34 31 34   34 36 34 37   38 40 37 42   40 43 39
PWIND DIR           W     W       W     W       W    SW       W    SW
WIND CHAR          GN    LT      GN    GN      LT    LT      LT    LT
AVG CLOUDS    B1   B1 B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           20    20      40    40      30    30      30    40
RAIN SHWRS     S    S  S  S  S    C  C  C  C    C  C  S  S    C  C  C
TSTMS          S          S  S          C  C          S  S          C

$$
MTZ014-232300-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
337 AM MDT THU MAY 23 2013

DATE             THU 05/23/13            FRI 05/24/13            SAT 05/25/13
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                      58          39          61          38          66
TEMP             41 45 54 57 56 50 45 42 39 46 55 60 61 53 46 41 38 48 58 64 65
DEWPT            37 37 40 41 38 41 40 38 36 36 32 27 24 27 29 31 32 34 32 31 31
RH               85 73 59 55 51 71 82 86 89 68 41 28 24 36 51 67 79 58 37 29 28
WIND DIR          W  W  W NW  N NW  W  W SW SW SW SW  W  W  W  W SW SW SW SW  W
WIND SPD          5  9  4  9  6  8  5 12 10  8 14 11  8  8  5  5  3  3  9  9  5
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B1
POP 12HR                     50          70          20          20          30
QPF 12HR                   0.05        0.11        0.01        0.01        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN
RAIN SHWRS        C  C  C  C  L  L  L  L  S  S  S  S  S  S              C  C  S
TSTMS                   C  C  C  C              S  S  S  S              S  S  S


DATE               SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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            43    69      46    71      46    72      48    70
TEMP          50   43 61 69 54   46 63 70 54   46 65 72 56   48 64 70
DEWPT         37   35 38 34 37   37 42 37 43   41 44 39 46   44 43 38
PWIND DIR           W     W      NW     W       W    SW       W    SW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1   B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1   B1 B1 B1
POP 12HR           20    40      40    50      50    40      40    40
RAIN SHWRS     S          C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS          S          C  C          C  C          C  C          C

$$
MTZ055-232300-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
337 AM MDT THU MAY 23 2013

DATE             THU 05/23/13            FRI 05/24/13            SAT 05/25/13
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                      60          38          63          38          68
TEMP             44 51 59 60 58 52 44 40 39 50 58 62 62 55 46 42 39 53 64 67 67
DEWPT            43 48 46 47 50 49 43 40 38 39 28 27 24 23 31 31 30 28 28 29 31
RH               96 89 62 62 75 89 96100 96 66 32 26 23 29 55 65 70 38 25 24 26
WIND DIR         SW  W NW  N NE  W  W  W SW SW SW SW SW SW  S  S  E  E SW SW  W
WIND SPD          4  6  3  8  5  6  8 10 10  8 13 14  9  9  4  4  2  2  8  8  8
CLOUDS           B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 SC SC SC SC B1 B1 B1
POP 12HR                     50          40          10           5          30
QPF 12HR                   0.05        0.06           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        C  C  C  C  C  C  C  C                                C  C
TSTMS                   C  C  C  C                                      S  S


DATE               SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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    70      43    71      42    71      44    68
TEMP          49   40 64 69 51   43 66 70 50   42 67 70 53   44 65 66
DEWPT         37   34 36 37 43   39 43 43 44   39 42 40 46   43 44 45
PWIND DIR          SW     S      SW    SW      SW     S      SW    SW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           10    20      20    20      20    20      20    20
RAIN SHWRS                S  S    S  S  S  S    S  S  S  S    S  S  S
TSTMS                     S  S          S  S          S  S          S

$$
MTZ055-232300-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
337 AM MDT THU MAY 23 2013

DATE             THU 05/23/13            FRI 05/24/13            SAT 05/25/13
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                      56          34          55          34          62
TEMP             37 45 54 56 55 48 40 36 34 42 51 55 54 47 40 36 34 46 57 61 60
DEWPT            35 39 38 35 34 34 33 30 30 30 24 21 19 20 17 23 19 21 22 22 19
RH               92 79 54 45 45 58 76 79 85 62 34 26 25 34 39 59 54 37 25 22 20
WIND DIR         SW SW SW  S  S SW  S SW  S SW SW SW SW SW  S  S SE SE SW SW SW
WIND SPD          5  8  5 12 11 11 10  9 10 12 18 17 12 12  6  6  6  6 14 14 12
CLOUDS           B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          30           5           5          10
QPF 12HR                   0.02        0.04           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  C  C  C  C  C
TSTMS                   C  C  C  C


DATE               SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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    63      37    64      38    66      38    59
TEMP          44   36 60 62 46   38 61 61 46   38 63 64 47   39 58 57
DEWPT         26   26 27 27 34   31 37 40 37   34 33 41 41   38 39 43
PWIND DIR           S     S       S     S       S     S       S     S
WIND CHAR          GN    GN      GN    LT      LT    LT      LT    LT
AVG CLOUDS    SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           10    30      30    30      30    30      30    30
RAIN SHWRS                C  C    C  C  C  C    S  S  C  C    C  C  C
TSTMS                     C  C          C  C          C  C          C

$$
MTZ008-232300-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
337 AM MDT THU MAY 23 2013

DATE             THU 05/23/13            FRI 05/24/13            SAT 05/25/13
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                      57          35          59          35          65
TEMP             38 45 55 57 55 49 42 39 35 44 53 58 59 52 44 39 35 49 59 64 64
DEWPT            34 35 36 37 36 34 34 32 31 30 21 19 17 21 25 25 25 26 25 25 28
RH               85 68 49 47 49 56 73 76 85 57 28 22 19 29 47 57 66 40 27 22 25
WIND DIR          W  N NE NE  N  W  W SW SW SW SW  S SW SW SW SW  S  S SW SW SW
WIND SPD          4  5  3  9  4  6  6  9  6 10 14 18 13 13  4  4  3  3 11 11  8
CLOUDS           B2 B2 B2 B2 B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC B1 B1 B2 B2 B1
POP 12HR                     70          60          10          10          20
QPF 12HR                   0.08        0.07           0           0        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN
RAIN SHWRS        L  L  L  L  C  C  L  L                                S  S  S
SNOW
SNOWSHWRS         L  L
TSTMS                   S  S  C  C                                      S  S  S


DATE               SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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    67      43    68      43    70      44    65
TEMP          48   40 61 66 50   43 64 67 51   44 66 68 51   45 63 62
DEWPT         32   31 32 35 41   39 39 38 43   39 40 37 45   44 39 38
PWIND DIR          SW     S      SW    SW      SW     S      SW     S
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1   B2 B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           20    20      20    20      30    30      20    20
RAIN SHWRS     S    S  S  S  S    S  S  S  S    C  C  S  S    S  S  S
TSTMS          S          S  S          S  S          S  S          S

$$
MTZ011-232300-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
337 AM MDT THU MAY 23 2013

DATE             THU 05/23/13            FRI 05/24/13            SAT 05/25/13
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                      69          49          66          46          70
TEMP             53 58 64 68 67 61 54 52 49 57 63 66 66 59 52 49 46 58 67 70 69
DEWPT            41 43 46 45 48 52 50 48 45 49 45 41 39 41 40 41 41 42 39 37 37
RH               64 57 52 43 50 72 86 86 86 75 52 40 37 51 63 74 83 55 36 30 31
WIND DIR          E  E SE SE  E  E  E  S SW SW SW SW SW SW  W  W SW SW  W  W SW
WIND SPD         23 20 27 17 19 10 12  5 11 19 17 16 12 12  5  5  4  4  5  5  4
WIND GUST              39
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC B1 B1 B1 B1 SC SC B1 B1 B1
POP 12HR                     40          90          60          20          30
QPF 12HR                   0.04        0.27        0.05        0.02        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN                          D  D  D  D
RAIN SHWRS        C  C  C  C              L  L  S  S  S  S  S  S        C  C  C
TSTMS                   C  C  S  S              S  S  S  S              C  C  C


DATE               SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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            46    73      47    74      47    76      49    75
TEMP          54   47 69 72 54   47 71 73 55   47 71 74 58   49 71 74
DEWPT         43   40 40 38 42   39 42 41 45   43 41 40 47   43 43 45
PWIND DIR           S    SE      SW     W       W    SW      SW     S
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           40    40      40    40      30    30      20    30
RAIN SHWRS     C    C  C  C  C    C  C  C  C    C  C  S  S    S  S  C
TSTMS          C          C  C          C  C          S  S          C

$$
MTZ051-232300-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
337 AM MDT THU MAY 23 2013

DATE             THU 05/23/13            FRI 05/24/13            SAT 05/25/13
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                      64          44          63          43          67
TEMP             48 53 57 63 62 56 49 45 44 53 60 63 63 56 47 45 43 56 62 66 66
DEWPT            43 48 51 51 49 50 47 45 42 43 38 36 34 35 37 39 38 39 39 39 38
RH               83 83 80 65 62 80 93100 93 69 44 36 34 45 68 79 82 53 43 37 36
WIND DIR          E SE SE  E NE NW NW  W  W  W  W  W SW SW SW SW  W  W  E  E  E
WIND SPD         21 13 18 12  8  1  8 11 14 13 18 14  8  8  8  8  4  4  4  4  5
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC B1 B1 B1
POP 12HR                     60          90          30          10          20
QPF 12HR                   0.07        0.27        0.03           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN                          D  D
RAIN SHWRS        C  C  L  L        L  L  C  C  S  S                    S  S  S
TSTMS                   C  C  S  S              S  S                    S  S  S


DATE               SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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            44    67      46    67      45    69      47    68
TEMP          50   45 62 67 51   47 63 66 50   46 65 69 53   48 63 67
DEWPT         41   39 43 40 43   43 47 45 46   44 45 41 47   44 47 44
PWIND DIR           S    SW      NW     W       W    SW      SW     W
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR           30    30      30    30      30    30      20    30
RAIN SHWRS     S    C  C  C  C    C  C  C  C    C  C  S  S    S  S  C
TSTMS          S          C  C          C  C          S  S          C

$$



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