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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
302 PM MDT WED MAY 22 2013

MTZ012-231100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
302 PM MDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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          55          40          64          41
TEMP             64 54 48 44 41 47 52 55 54 49 45 43 40 52 60 63 63 54 47 44 42
DEWPT            48 49 44 43 37 40 41 43 45 46 43 42 36 40 38 39 37 35 35 36 34
RH               56 83 86 96 85 76 66 64 71 89 93 96 85 63 44 41 38 48 63 73 73
WIND DIR          E SE  E  E SW  W  W  N  N  N NW  W SW SW SW SW  W  W SW SW SW
WIND SPD         23 10  8  2  4  8  3  2  8  5  8 12 11 11 12 12  9  9  5  5  8
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     90          70          70          40          40
QPF 12HR                   0.29        0.13        0.17        0.01        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN                          L  L
RAIN SHWRS        C  C  D  D        C  C  L  L  C  C  C  C  S  S  C  C  S  S  S
TSTMS             C  C                                            C  C


DATE           05/25/13  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          69      44    71      46    68      45    70      46    73
TEMP          63 68 53   44 66 69 54   46 64 66 52   46 65 68 54   46 68 71
DEWPT         36 32 39   37 42 41 45   41 44 43 44   42 43 40 44   41 44 39
PWIND DIR        SW       W     W       N     W       W    SW      SW    SW
WIND CHAR        GN      LT    LT      LT    LT      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B2 B2   B1 B1 B1
POP 12HR         20      20    40      40    40      40    30      30    40
RAIN SHWRS     S  S  S    S  S  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S          C  C          C  C          C  C          C

$$
MTZ010-231100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
302 PM MDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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          54          38          62          39
TEMP             62 52 47 42 41 46 46 53 54 49 45 42 38 51 59 61 59 51 46 42 39
DEWPT            40 44 36 35 36 42 41 42 40 43 42 39 32 39 38 37 36 35 34 34 34
RH               44 74 65 76 82 86 83 66 59 80 89 89 79 63 45 41 42 54 63 73 82
WIND DIR          E SE SE  E SE  W  W  N NW  N NW  W SW SW SW SW SW SW  W  W SW
WIND SPD         27 25 13  8  2  6  3  3  8  8 10  9 12 12 13 13 13 13  9  9 11
WIND GUST        41 37
CLOUDS           OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR                    100         100          70          50          60
QPF 12HR                   0.36        0.22        0.20        0.04        0.03
SNOW 12HR                 00-00       00-00       00-00
RAIN                          D  D
RAIN SHWRS        C  C  D  D        C  C  L  L  L  L  C  C        L  L  S  S  S
TSTMS             C  C                                            L  L


DATE           05/25/13  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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      43    68      44    66      43    68      44    72
TEMP          60 65 49   43 62 67 51   45 61 65 50   44 62 67 51   45 63 70
DEWPT         35 29 34   35 38 35 38   38 39 37 39   40 41 36 39   37 38 38
PWIND DIR        SW      SW     W       W     W       W    SW       W     W
WIND CHAR        GN      GN    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B2 B2   B1 B1 B1
POP 12HR         20      20    40      40    40      40    40      40    40
RAIN SHWRS     S  S  S    S  S  C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S          C  C          C  C          C  C          C

$$
MTZ014-231100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
302 PM MDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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          58          39          63          41
TEMP             63 55 48 43 40 45 55 58 57 51 45 42 39 46 56 62 63 55 48 44 41
DEWPT            48 46 43 39 36 38 41 40 37 42 42 40 38 37 34 31 30 30 32 33 33
RH               58 72 83 86 85 76 59 51 47 71 89 93 96 71 43 31 29 38 54 65 73
WIND DIR         SE  W  W  W  W  W  W  N  N NW  W SW  S  S  S  S SW SW SW SW SW
WIND SPD         13  2  4  9  5  5  3  4  6  6  9  6  4  4  9  9  6  6  4  4  6
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     80          70          70          40          40
QPF 12HR                   0.43        0.09        0.11        0.01        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN                          L  L
RAIN SHWRS        D  D  D  D        C  C  L  L  C  C  C  C  S  S  C  C  S  S  S
TSTMS             C  C                                            C  C


DATE           05/25/13  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          71      45    72      47    70      46    70      47    72
TEMP          61 71 53   45 64 72 55   47 64 69 53   46 65 70 55   47 66 72
DEWPT         36 28 35   36 42 36 42   41 47 38 43   41 42 35 40   39 42 34
PWIND DIR        SW       W     W      NW     W       W    SW       W    SW
WIND CHAR        LT      LT    LT      LT    LT      GN    LT      LT    LT
AVG CLOUDS    B1 B1 B1   B1 B1 B2 B2   B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1
POP 12HR         20      20    40      40    40      40    40      40    40
RAIN SHWRS     S  S  S          C  C    C  C  C  C    C  C  C  C    C  C  C
TSTMS             S  S          C  C          C  C          C  C          C

$$
MTZ055-231100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
302 PM MDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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                      42          63          37          66          37
TEMP             61 56 50 45 42 51 59 63 61 53 44 39 37 50 62 66 65 56 46 41 38
DEWPT            51 48 43 42 41 47 48 48 47 49 43 39 36 40 33 32 30 26 30 30 29
RH               70 74 77 89 96 86 67 58 60 86 96100 96 68 33 28 27 31 53 65 70
WIND DIR          E  E  E  W  W NW NW  N  N  W  W  W SW SW SW SW SW SW SE SE  S
WIND SPD         19 16  8  3  2  3  3  4  6  5  3  5  4  4 11 11 10 10  5  5  8
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR                     70          60          60          30          30
QPF 12HR                   0.28        0.11        0.10        0.01        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN                          L  L
RAIN SHWRS        L  L  L  L        L  L  L  L  C  C  C  C  S  S  C  C
TSTMS             C  C              S  S  S  S                    C  C


DATE           05/25/13  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          73      41    74      44    73      42    71      42    74
TEMP          67 72 52   41 68 73 52   44 69 70 50   42 67 69 50   42 70 71
DEWPT         29 27 37   35 36 34 42   38 42 40 41   37 39 39 38   36 42 37
PWIND DIR         S       S     S      SW    SW      SW    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         10      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

$$
MTZ055-231100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
302 PM MDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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          61          34          59          33
TEMP             57 51 45 40 38 46 57 60 59 51 41 37 34 43 55 59 57 50 41 36 34
DEWPT            42 41 40 38 38 40 36 33 35 36 34 32 30 32 28 26 23 21 17 21 18
RH               57 68 82 92100 79 45 36 40 56 76 82 85 65 35 28 27 31 37 54 51
WIND DIR          S SW SW SW  S  S  S  S SW SW  S  S  S  S SW SW SW SW SE SE SE
WIND SPD          8  2  3  2  1  3  8 11 11 11  5  6  9  9 18 18 13 13  6  6  6
CLOUDS           B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR                     50          30          40          10          10
QPF 12HR                   0.23        0.01        0.06           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN                          S  S
RAIN SHWRS        C  C  C  C        C  C  C  C  S  S
TSTMS             C  C              S  S  S  S


DATE           05/25/13  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          65      36    66      38    64      36    64      36    60
TEMP          60 63 45   37 62 64 46   38 61 61 45   37 60 61 45   37 58 58
DEWPT         21 16 22   25 26 22 35   32 33 39 37   33 33 38 36   32 34 38
PWIND DIR         S       S     S       S     S      SW     S       S     S
WIND CHAR        GN      GN    GN      GN    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC SC   SC SC B1 B1   SC SC B1 B1   SC SC B1 B1   B1 B1 B1
POP 12HR         10      20    20      20    30      30    30      30    30
RAIN SHWRS                S  S  S  S    S  S  C  C          S  S    C  C  S
TSTMS                           S  S          C  C          S  S          S

$$
MTZ008-231100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
302 PM MDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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          59          35          62          36
TEMP             64 56 47 42 38 47 58 59 57 50 42 38 35 46 57 62 61 54 45 40 36
DEWPT            32 35 38 36 35 37 36 37 38 37 37 35 33 32 25 23 23 24 26 26 25
RH               30 45 71 79 89 68 44 44 49 61 82 89 92 58 29 22 23 31 47 57 64
WIND DIR          S  N  W  W  N  N  N NE  N  W  W SW SW SW  S  S  S  S  S  S  S
WIND SPD         10  4  5  1  2  5  1  8  3  8  4  6  4  4 17 17 14 14  6  6  6
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR                     70          50          60          30          30
QPF 12HR                   0.21        0.10        0.09           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN                          C  C
RAIN SHWRS        C  C  L  L        C  C  L  L  C  C  C  C        C  C
TSTMS             C  C              S  S  S  S                    C  C


DATE           05/25/13  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          69      41    70      43    67      42    69      43    68
TEMP          61 68 50   41 65 69 51   44 65 66 49   43 65 67 51   44 64 64
DEWPT         25 26 32   33 31 31 41   39 39 38 41   38 40 33 39   36 35 32
PWIND DIR         S       S    SE      SW    SW      SW    SW      SW    SW
WIND CHAR        GN      LT    LT      GN    LT      GN    GN      GN    GN
AVG CLOUDS    SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         20      20    20      20    20      30    30      20    20
RAIN SHWRS        S  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          S

$$
MTZ011-231100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
302 PM MDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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                      49          68          45          69          43
TEMP             69 58 51 50 49 57 64 68 66 59 51 48 46 57 64 69 68 60 51 46 44
DEWPT            40 43 41 41 44 45 49 46 48 54 50 47 44 49 46 46 46 42 39 38 37
RH               35 57 68 71 83 64 58 45 52 83 96 96 93 75 52 44 45 51 63 73 76
WIND DIR          E  E  E  E  E  E SE SE SE SE  E SW SW SW SW SW SW SW SE SE SW
WIND SPD         28 24 20 23 20 18 19 12 11  5 11  9 11 11 12 12  8  8  5  5  5
WIND GUST        43 36
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC B2 B2 B1 B1 B1
POP 12HR                     20          60          80          70          60
QPF 12HR                   0.02        0.11        0.28        0.08        0.03
SNOW 12HR                 00-00       00-00       00-00
RAIN                          L  L
RAIN SHWRS              S  S        C  C  D  D  L  L  L  L  S  S  L  L  C  C  C
TSTMS                               S  S  S  S                    L  L


DATE           05/25/13  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          73      47    75      50    73      47    75      46    77
TEMP          69 72 56   48 72 73 57   50 71 71 56   48 71 72 54   46 72 75
DEWPT         40 33 43   42 46 45 50   46 45 39 46   42 41 41 46   45 44 43
PWIND DIR        SW       S    SE       S     W       W    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      GN    LT      GN    LT
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B2 B2   B1 B1 B1
POP 12HR         40      40    40      40    50      50    40      30    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

$$
MTZ051-231100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
302 PM MDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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          63          41          65          41
TEMP             62 55 50 47 45 52 57 63 62 55 48 44 42 54 61 64 64 56 46 43 42
DEWPT            42 39 39 45 43 48 52 51 49 50 46 43 39 42 41 41 39 35 34 34 32
RH               48 55 66 93 93 86 83 65 62 83 93 96 89 64 48 43 40 45 63 70 67
WIND DIR         SE SE SE SE SE SE SE  E NE  W  W  W  W  W SW SW SW SW SW SW SW
WIND SPD         25 26 19 24 12  6 10  5  6  6  8 10  9  9  9  9  4  4  5  5  6
WIND GUST        37 40    36
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC B1 B1 B1
POP 12HR                     50          60          90          50          40
QPF 12HR                   0.07        0.14        0.33        0.05        0.02
SNOW 12HR                 00-00       00-00       00-00
RAIN                          L  L
RAIN SHWRS        S  S  C  C        L  L  D  D  C  C  C  C  S  S  C  C  S  S  S
TSTMS             S  S              S  S  S  S                    C  C


DATE           05/25/13  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          69      45    68      46    68      46    69      47    71
TEMP          63 68 51   45 64 67 51   47 64 67 51   47 66 68 53   48 66 68
DEWPT         39 36 42   40 49 47 46   44 49 42 45   43 46 42 47   44 49 42
PWIND DIR        SW      SE     S       N     W       W     W       W     W
WIND CHAR        LT      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 B1 B1
POP 12HR         20      20    40      40    40      40    30      30    30
RAIN SHWRS     S  S  S    S  S  C  C    C  C  C  C    C  C  C  C    S  S  C
TSTMS             S  S          C  C          C  C          C  C          C

$$



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