Point Forecast Matrices
Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
258 PM MDT FRI MAY 24 2013

MTZ012-251100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
258 PM MDT FRI MAY 24 2013

DATE           05/24/13      SAT 05/25/13            SUN 05/26/13            MON
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          69          42          71          47
TEMP          64 64 53 46 43 41 53 64 69 67 58 50 46 43 55 65 71 70 62 55 50 47
DEWPT         29 26 30 34 33 33 36 34 34 34 36 39 38 37 42 41 40 41 44 45 44 43
RH            27 23 41 63 67 73 52 32 27 29 44 66 73 79 61 41 32 35 52 69 80 86
WIND DIR      SW SW  W  W  W SW  W SW  E  S NE  E  W NW NW  E  E NW NW  W  W  W
WIND SPD      16 13  9  6  4  5  4  4  4  3  3  2  4  2  2  4  4  5  5  5  5  5
CLOUDS        B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR                     10          10          20          40          40
QPF 12HR                      0           0           0        0.03        0.07
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S                                S  S        C  C  C  C  C  C  C
TSTMS          S                                            S  S  C  C


DATE           05/27/13  TUE 05/28/13  WED 05/29/13  THU 05/30/13  FRI 05/31/13
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    70      47    67      44    61      42    64
TEMP          63 65 52   47 65 68 55   47 63 65 51   44 58 60 50   42 61 63
DEWPT         42 41 44   43 42 44 45   42 45 47 44   41 43 45 43   38 45 44
PWIND DIR         W       W    SW      SW    SW      SE    NW       W     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      GN    GN
AVG CLOUDS    B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B2 B2 B2 B2   B1 B1 B1
POP 12HR         40      30    30      20    40      40    40      40    30
RAIN SHWRS     C  C  C    C  C  S  S    S  S  C  C    C  C  C  C    C  C  C
TSTMS             C  C          S  S          C  C          C  C          C

$$
MTZ010-251100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
258 PM MDT FRI MAY 24 2013

DATE           05/24/13      SAT 05/25/13            SUN 05/26/13            MON
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          66          40          70          44
TEMP          61 59 49 43 39 35 52 60 65 65 55 47 43 40 55 63 69 69 60 52 47 44
DEWPT         26 24 29 30 31 30 30 27 24 25 30 32 33 33 38 35 32 33 37 37 38 38
RH            26 26 46 60 73 82 43 28 21 22 38 56 67 76 53 35 25 26 42 56 71 79
WIND DIR      SW SW SW SW SW SW  W SW SW SW  W  W  W  W  W  S  S  W  W  W  W  W
WIND SPD      20 16 13 10  9 10 12 11  9 10  5  6  6  4  4  5  5 10 10  8  8  9
CLOUDS        B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR                     10           5          10          30          40
QPF 12HR                      0           0           0        0.02        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  C  C  C  C  C  C  C
TSTMS                                                       S  S  C  C


DATE           05/27/13  TUE 05/28/13  WED 05/29/13  THU 05/30/13  FRI 05/31/13
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      45    70      46    66      43    62      43    64
TEMP          61 65 52   45 63 69 54   46 60 66 50   44 56 61 50   43 59 63
DEWPT         39 36 38   38 43 38 40   40 41 37 38   37 42 42 39   38 40 36
PWIND DIR         W       W    SW      SW    SW      SW    NW      NW     W
WIND CHAR        GN      LT    LT      LT    LT      LT    GN      GN    GN
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B2 B2 B2 B2   B1 B1 B1
POP 12HR         40      30    30      30    40      40    40      40    30
RAIN SHWRS     C  C  C    C  C  S  S    C  C  C  C    C  C  C  C    C  C  C
TSTMS             C  C          S  S          C  C          C  C          C

$$
MTZ014-251100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
258 PM MDT FRI MAY 24 2013

DATE           05/24/13      SAT 05/25/13            SUN 05/26/13            MON
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          70          43          71          46
TEMP          62 63 55 48 44 41 50 61 67 69 60 52 46 43 52 64 69 70 62 54 49 46
DEWPT         25 23 27 30 32 33 34 32 29 31 36 37 37 35 38 39 37 38 41 42 42 40
RH            24 21 34 49 62 73 54 33 24 24 41 56 71 73 59 40 31 31 46 64 77 79
WIND DIR      SW  W NW  W  W  W NW  S  N NW  N  W  W NW NW NE NE NW NW NW NW  W
WIND SPD      12  5  5  4  1  3  3  3  2  4  4  3  4  3  3  2  2  9  9  6  6  4
CLOUDS        B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1
POP 12HR                     10          10          20          40          40
QPF 12HR                      0           0        0.01        0.02        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S                          S  S  S  S        C  C  C  C  C  C  C
TSTMS          S                          S  S              S  S  C  C


DATE           05/27/13  TUE 05/28/13  WED 05/29/13  THU 05/30/13  FRI 05/31/13
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      45    71      47    66      45    62      42    64
TEMP          61 67 52   45 63 71 54   47 62 65 50   45 59 60 49   42 59 64
DEWPT         43 37 42   39 43 39 44   41 45 41 41   40 39 36 40   37 40 38
PWIND DIR         W       W     S       W    SW       S    NW       W     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      GN    GN
AVG CLOUDS    B1 B2 B2   B1 B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B1
POP 12HR         50      50    40      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             C  C          C  C          C  C          C  C          C

$$
MTZ055-251100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
258 PM MDT FRI MAY 24 2013

DATE           05/24/13      SAT 05/25/13            SUN 05/26/13            MON
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          72          40          72          43
TEMP          63 66 57 46 40 36 54 66 71 71 62 50 44 40 56 68 71 70 61 51 46 43
DEWPT         25 20 20 29 30 29 27 27 28 31 32 38 36 35 36 35 37 39 40 42 39 38
RH            23 17 23 51 67 75 35 23 20 23 32 63 73 82 47 29 29 32 46 71 76 82
WIND DIR      SW SW  S  S SW  S NW  W  W  W NE NE SE  S  S SW SW SW SW  W  W SW
WIND SPD      14 12  5  2  2  2  3  2  2  3  4  2  3  2  2  3  3  4  4  4  4  5
CLOUDS        SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                      5          10          20          40          40
QPF 12HR                      0           0        0.01        0.03        0.05
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                S  S  S  S        C  C  C  C  C  C  C
TSTMS                                     S  S              S  S  C  C


DATE           05/27/13  TUE 05/28/13  WED 05/29/13  THU 05/30/13  FRI 05/31/13
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      41    71      45    66      42    62      40    64
TEMP          64 65 49   42 66 70 52   45 64 64 49   42 60 61 47   40 59 63
DEWPT         38 40 43   38 39 41 45   39 45 43 42   39 41 42 40   36 40 40
PWIND DIR        SW      SW     S      SE    SW      SE     S       W     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      GN    GN
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B1   B1 B1 B2 B2   B2 B2 B1 B1   B1 B1 B1
POP 12HR         40      20    20      20    30      30    30      30    20
RAIN SHWRS     C  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S
TSTMS             S  S          S  S          S  S          S  S          S

$$
MTZ055-251100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
258 PM MDT FRI MAY 24 2013

DATE           05/24/13      SAT 05/25/13            SUN 05/26/13            MON
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          66          35          64          38
TEMP          58 58 50 40 36 34 48 62 66 64 54 44 38 36 48 61 64 62 54 46 41 39
DEWPT         21 15 17 13 25 20 21 19 19 18 28 27 31 29 28 29 27 27 32 32 32 31
RH            23 18 27 33 64 56 34 19 16 17 36 51 76 75 46 29 24 26 43 58 70 73
WIND DIR      SW SW SW  S  S SE  S SW SW SW SW  S SE  S  S SW SW SW SW  S  S  S
WIND SPD      18 13  9  4  3  5  6 10 13 12  8  3  3  6  6 12 12 10 10  4  4  6
CLOUDS        SC SC SC SC SC SC SC B1 B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2
POP 12HR                      5          20          10          30          40
QPF 12HR                      0        0.01           0        0.03        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                          S  S                    C  C  C  C  C  C  C
TSTMS                               S  S                    S  S  C  C


DATE           05/27/13  TUE 05/28/13  WED 05/29/13  THU 05/30/13  FRI 05/31/13
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      36    63      39    58      36    56      35    56
TEMP          57 58 44   36 61 61 46   39 56 56 44   36 52 55 43   35 54 55
DEWPT         36 37 39   33 31 40 39   35 36 40 36   33 32 35 35   31 28 33
PWIND DIR        SW       S    SE       S     S       S    SW       W    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   B2 B2 B2 B2   B1 B1 B1 B1   B1 B1 B1
POP 12HR         30      20    30      40    40      40    30      30    20
RAIN SHWRS     C  C  S    S  S  C  C    C  C  C  C    C  C  C  C    C  C  S
TSTMS             C  S          C  C          C  C          C  C          S

$$
MTZ008-251100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
258 PM MDT FRI MAY 24 2013

DATE           05/24/13      SAT 05/25/13            SUN 05/26/13            MON
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          69          40          68          41
TEMP          61 61 53 44 40 37 51 62 69 68 58 48 43 40 53 62 67 66 57 49 44 42
DEWPT         21 18 22 26 26 26 25 21 23 25 29 34 33 32 33 31 31 33 38 40 37 37
RH            21 19 29 49 57 64 36 20 17 20 33 58 67 73 46 31 26 29 49 71 76 82
WIND DIR      SW SW SW SW SW SW  N  S  W  W  N  N  W NW NW SW SW SW SW  W  W SW
WIND SPD      18 13  6  2  1  2  2  3  5  6  4  3  3  1  1  5  5  9  9  4  4  5
CLOUDS        B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B2
POP 12HR                      5          20          20          40          40
QPF 12HR                      0           0        0.01        0.03        0.04
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                          S  S  S  S              C  C  C  C  S  S  S
TSTMS                               S  S  S  S              S  S  C  C


DATE           05/27/13  TUE 05/28/13  WED 05/29/13  THU 05/30/13  FRI 05/31/13
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    68      44    62      40    60      39    61
TEMP          61 62 47   41 63 67 50   45 61 59 45   40 58 58 43   40 57 59
DEWPT         37 38 40   36 38 39 42   39 43 41 38   38 38 33 35   34 35 37
PWIND DIR        SW      SW     S      SW    SW      SW    SW       W    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   B2 B2 B2 B2   B1 B1 B1 B1   B1 B1 B1
POP 12HR         20      30    30      20    20      20    20      20    20
RAIN SHWRS     S  S  S    C  C  S  S    S  S  S  S    S  S  S  S    S  S  S
TSTMS             S  S          S  S          S  S          S  S          S

$$
MTZ011-251100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
258 PM MDT FRI MAY 24 2013

DATE           05/24/13      SAT 05/25/13            SUN 05/26/13            MON
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          45          75          49
TEMP          67 68 58 50 46 43 58 69 73 72 63 54 48 45 59 69 74 74 65 57 52 49
DEWPT         32 27 34 36 36 35 37 33 32 33 38 41 40 39 44 43 40 41 44 46 45 45
RH            27 21 40 58 68 73 45 26 22 24 39 61 74 79 57 39 29 30 46 67 77 86
WIND DIR      SW SW SW SW  W  W NW  W  S SW  E  E SE NE NE SE SE  S  S SW SW  W
WIND SPD      18 13  6  5  5  5  6  6  1  3  4  4  3  3  3  4  4  2  2  5  5  4
CLOUDS        SC B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                      5          10          20          40          40
QPF 12HR                      0           0        0.01        0.03        0.07
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


DATE           05/27/13  TUE 05/28/13  WED 05/29/13  THU 05/30/13  FRI 05/31/13
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          72      49    75      49    73      48    68      47    69
TEMP          69 71 55   50 70 73 57   49 70 70 55   48 65 66 52   47 66 67
DEWPT         47 44 49   45 45 41 48   42 45 41 51   46 48 48 45   41 44 42
PWIND DIR         W      NW     W      SE    SE       E     N      NW    NW
WIND CHAR        LT      LT    LT      LT    LT      GN    GN      LT    GN
AVG CLOUDS    B1 B1 B1   B1 B1 SC SC   B1 B1 B1 B1   B2 B2 B2 B2   B1 B1 B1
POP 12HR         50      30    30      20    40      40    40      40    40
RAIN SHWRS     C  C  C    C  C  S  S    S  S  C  C    C  C  C  C    C  C  C
TSTMS             C  C          S  S          C  C          C  C          C

$$
MTZ051-251100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
258 PM MDT FRI MAY 24 2013

DATE           05/24/13      SAT 05/25/13            SUN 05/26/13            MON
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          68          44          68          47
TEMP          62 63 53 45 41 40 55 63 67 68 59 50 46 44 58 64 67 66 59 52 49 47
DEWPT         29 26 31 34 34 33 34 35 36 37 39 40 41 40 44 43 43 43 44 44 45 44
RH            28 24 43 65 76 76 45 35 32 32 47 68 83 86 59 46 42 43 57 74 86 89
WIND DIR      SW SW  S  S  W NW  N NE NE  E  E  N  W NW NW  E  E NE NE SW SW SW
WIND SPD      16 11  2  5  3  4  9  5  6  4  6  3  3  3  3  5  5  6  6  5  5  3
CLOUDS        SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2
POP 12HR                     10          10          30          60          40
QPF 12HR                      0           0        0.03        0.07        0.13
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                      C  C  S  S  L  L  C  C  C  C  C
TSTMS                                                       S  S  C  C


DATE           05/27/13  TUE 05/28/13  WED 05/29/13  THU 05/30/13  FRI 05/31/13
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      46    68      47    65      47    60      43    62
TEMP          61 63 50   47 62 67 52   47 62 64 51   47 57 59 49   44 58 61
DEWPT         45 44 46   45 48 47 46   43 50 48 47   46 45 46 44   39 44 43
PWIND DIR         W       W     W      SE     W      SE     N      NW     W
WIND CHAR        LT      LT    LT      LT    LT      LT    GN      GN    BZ
AVG CLOUDS    B2 B2 B2   B1 B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1
POP 12HR         50      30    30      20    50      50    50      50    40
RAIN SHWRS     C  C  C    C  C  S  S    S  S  C  C    C  C  C  C    C  C  C
TSTMS             C  C          S  S          C  C          C  C          C

$$



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