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Point Forecast Matrices
National Weather Service Great Falls MT
332 AM MDT Sun May 20 2018

MTZ012-202300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
332 AM MDT Sun May 20 2018

Date             Sun 05/20/18            Mon 05/21/18            Tue 05/22/18
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                      72          49          75          51          73
Temp             45 55 65 70 71 62 55 52 49 61 70 75 72 60 54 53 51 59 67 72 72
Dewpt            40 43 44 44 43 47 46 45 44 48 49 47 49 49 48 49 48 51 50 50 50
RH               82 64 46 39 36 58 72 77 83 62 47 37 44 67 80 86 89 75 54 46 46
Wind dir          S  S  S  E  E  E  S SW SW  W NW NE NE NW  W  W  W NW NE NE  E
Wind spd          8  8  8  8  8  8  6  9  8  8  5  5  8  8  8  8  6  6  6 10  9
Clouds           FW FW CL SC B1 SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1
PoP 12hr                     10          10          50          50          50
QPF 12hr                      0           0        0.03        0.12        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  C  C  C  C  C  C  C
Tstms                                           C  C  C  S              S  C  S


Date               Wed 05/23/18  Thu 05/24/18  Fri 05/25/18  Sat 05/26/18
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            51    72      51    78      53    77      52    77
Temp          56   51 68 70 56   53 74 76 60   54 73 75 60   53 73 75
Dewpt         48   47 51 50 49   47 51 49 48   47 50 46 48   46 49 45
PWind dir           E    NE      SE    SW       W     W       W     S
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1   SC B1 B1 B1   B1 B1 SC B1   SC SC SC SC   SC SC SC
PoP 12hr           30    50      30    20      20    20      20    10
Rain shwrs     C    S  C  C  C    S     S  S    S  S  S  S
Tstms          S       S  S  S          S  S          S  S

$$
MTZ010-202300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
332 AM MDT Sun May 20 2018

Date             Sun 05/20/18            Mon 05/21/18            Tue 05/22/18
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                      72          46          75          48          76
Temp             38 48 63 69 71 60 53 50 47 63 72 75 71 61 54 51 49 63 72 75 75
Dewpt            38 45 46 40 40 46 46 45 44 45 42 42 46 47 47 47 47 50 44 41 43
RH              100 89 54 35 32 60 77 83 89 52 34 31 41 60 77 86 93 62 37 29 32
Wind dir          S  S  S  S  S  S SW NW NW NW  N  N NW NW NW NW NW  N  E  E  E
Wind spd          5  5 10 10 12  6  8  6  6  6  5  4  9  8  6  6  6  6  9  8 10
Clouds           SC FW FW FW FW CL FW FW SC SC B1 B1 B2 B2 B2 B2 B1 B1 SC B1 SC
PoP 12hr                      5          10          40          50          30
QPF 12hr                      0           0        0.01        0.12        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C  S  S  S  S  C  C  S
Tstms                                           S  C  S                 S  S  S


Date               Wed 05/23/18  Thu 05/24/18  Fri 05/25/18  Sat 05/26/18
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            49    75      49    79      52    78      49    77
Temp          54   49 71 72 57   51 75 76 59   53 73 75 57   50 73 74
Dewpt         44   46 47 44 47   46 47 45 49   47 47 44 47   45 46 42
PWind dir          NE     E       S     W       W    NW      SW     S
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC SC SC B1   SC SC SC B1   SC SC SC SC   SC FW SC
PoP 12hr           20    30      20    20      20    20      10    20
Rain shwrs     S       S  C  S          S  S    S  S  S             S
Tstms          S                        S  S          S

$$
MTZ014-202300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
332 AM MDT Sun May 20 2018

Date             Sun 05/20/18            Mon 05/21/18            Tue 05/22/18
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                      71          48          76          50          73
Temp             42 50 62 69 70 62 55 51 48 58 70 76 73 64 56 53 50 57 66 73 71
Dewpt            41 43 44 42 41 45 44 44 45 48 49 49 50 54 50 50 48 50 50 51 51
RH               96 77 52 37 35 54 66 77 89 69 47 39 44 70 80 89 93 77 56 46 49
Wind dir          S SE SE SE SE SE SW  S SW  W NE  N NW NW NW  W NW  N NE  N NE
Wind spd          3  3  5  9  9  6  4  3  3  2  3  6  9  5  4  3  3  3  5  9 10
Clouds           SC FW SC B1 B1 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          30          50          60          60
QPF 12hr                      0           0        0.05        0.13        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S           S  S  C  C  L  L  C  C  C  C  L  L  C
Tstms                         S              S  C  C  C  S           S  C  C  C


Date               Wed 05/23/18  Thu 05/24/18  Fri 05/25/18  Sat 05/26/18
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            50    71      50    78      51    79      51    79
Temp          57   50 65 70 56   51 72 76 58   52 72 77 58   52 72 77
Dewpt         50   48 50 52 49   47 50 48 46   46 49 47 48   46 48 45
PWind dir           N    NE      NW    SW       W     W       W     S
Wind char          LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B2   B2 B1 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr           40    50      30    30      20    20      10    20
Rain shwrs     C    C  C  C  C    S  S  C  S          S             S
Tstms          C          S  S          S  S          S             S

$$
MTZ055-202300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
332 AM MDT Sun May 20 2018

Date             Sun 05/20/18            Mon 05/21/18            Tue 05/22/18
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                      70          45          75          47          73
Temp             41 50 63 70 68 59 52 48 45 59 72 75 71 61 54 49 48 56 67 73 69
Dewpt            38 42 43 41 44 46 45 43 41 48 49 46 49 51 49 46 45 48 50 48 50
RH               89 74 48 35 42 62 77 83 86 67 44 36 46 70 83 89 89 74 54 41 51
Wind dir          S  S SW SE SE SE SE SE SE SW  W SW  S  S NE  S SE  N  N  N  E
Wind spd          4  3  3  6 10  6  6  5  4  2  3  5  6  6  5  4  4  1  3  6 11
Clouds           B1 FW FW B1 B1 B1 B2 SC FW FW SC B1 B2 B2 B2 B1 B1 B1 B1 B1 B2
PoP 12hr                     10          30          50          50          60
QPF 12hr                      0           0        0.03        0.09        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S                 C  C  C  C        S  S  L  L  C
Tstms                         S                 C  C  C  S              C  C  C


Date               Wed 05/23/18  Thu 05/24/18  Fri 05/25/18  Sat 05/26/18
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            49    69      47    75      48    77      48    77
Temp          56   49 64 68 55   48 70 73 56   49 72 75 57   50 74 73
Dewpt         52   47 55 54 49   44 51 47 47   43 48 45 47   45 49 45
PWind dir           E    NE       S    SW      SW    SW      NE     E
Wind char          LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B2   B2 B2 SC B1   SC SC SC SC   SC FW FW
PoP 12hr           50    60      30    30      20    20      20    10
Rain shwrs     C    C  C  L  C    S  C  C  S          S  S
Tstms          C       S  S  S          C  S          S  S

$$
MTZ055-202300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
332 AM MDT Sun May 20 2018

Date             Sun 05/20/18            Mon 05/21/18            Tue 05/22/18
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                      62          34          65          34          68
Temp             34 45 57 61 61 51 42 38 34 48 63 65 61 54 43 38 34 50 66 67 60
Dewpt            34 41 36 35 33 40 38 36 33 43 37 39 35 43 39 36 33 44 38 39 41
RH              100 86 45 38 35 66 86 92 96 83 38 38 38 66 86 92 96 80 36 36 49
Wind dir          E NE  S  S  S SE SE SE SE SE SW SW SW  S SE  E  E NE  E  W NE
Wind spd          1  1  5  8  8  3  3  2  2  1  5  8  8  3  2  1  1  1  4  5  8
Clouds           SC FW SC B2 B1 B1 B1 SC SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 B2
PoP 12hr                     20          20          40          30          50
QPF 12hr                   0.01           0        0.06        0.02        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S                 C  C  C  C              C  C  C
Tstms                         S                 C  C  C                 C  C  C
Obvis            PF


Date               Wed 05/23/18  Thu 05/24/18  Fri 05/25/18  Sat 05/26/18
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    60      36    64      35    69      35    70
Temp          42   36 56 57 43   38 59 61 45   37 65 64 45   37 66 65
Dewpt         40   35 44 43 40   36 45 41 41   34 41 41 39   34 44 41
PWind dir           E     S       S    SW      SW     S       S    SE
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B1 B1   SC SC SC SC   SC FW SC
PoP 12hr           50    50      40    30      20    20      10    10
Rain shwrs     C    C  C  C  C    C  C  C  S          S
Tstms          C       C  C  C          C  S          S

$$
MTZ008-202300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
332 AM MDT Sun May 20 2018

Date             Sun 05/20/18            Mon 05/21/18            Tue 05/22/18
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                      67          44          69          44          70
Temp             38 47 59 65 67 58 51 46 44 54 66 69 67 59 52 47 44 54 63 70 67
Dewpt            36 41 42 41 41 45 45 43 42 46 45 44 45 47 47 45 43 49 47 47 46
RH               92 79 53 41 39 62 80 89 93 74 47 40 45 64 83 93 96 83 56 44 47
Wind dir         SE  S SW  S  E SE  S  S  S SW  W SW SW  N NE  S  E  N NE  N NE
Wind spd          5  4  3  6 11 10  8  5  6  4  3  8  8  8  4  4  5  4  4  6 12
Clouds           FW FW SC B2 B1 B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B1 B1 B1 B1 SC B1
PoP 12hr                     40          40          60          40          50
QPF 12hr                   0.03        0.01        0.08        0.04        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C  S        S  S  L  L  C  C        S  S  C  C  C
Tstms                      S  S              S  C  C  C  S              C  C  C


Date               Wed 05/23/18  Thu 05/24/18  Fri 05/25/18  Sat 05/26/18
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    66      45    71      45    74      45    75
Temp          52   46 60 65 53   46 66 69 53   46 69 72 54   46 69 73
Dewpt         48   45 51 51 48   44 49 47 46   42 47 44 45   42 47 41
PWind dir          NE    NE      SE    SW      SW     W       W    SE
Wind char          GN    LT      LT    LT      GN    LT      LT    LT
Avg clouds    B1   B2 B2 B2 B2   B2 B1 SC B1   SC SC SC SC   SC FW FW
PoP 12hr           40    50      40    30      20    20      10    10
Rain shwrs     C    C  C  C  C    S  S  C  S          S
Tstms          C       S  C  C          C  S          S

$$
MTZ011-202300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
332 AM MDT Sun May 20 2018

Date             Sun 05/20/18            Mon 05/21/18            Tue 05/22/18
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                      76          49          79          53          79
Temp             43 55 66 73 75 64 58 52 49 62 73 78 78 69 60 55 53 62 73 78 78
Dewpt            38 42 44 45 44 49 49 48 46 50 50 45 44 50 50 50 50 53 53 48 47
RH               82 61 45 37 33 58 72 86 89 65 44 31 30 51 69 83 89 72 49 35 33
Wind dir          E SE SE SE SE SE SE  E SE NE NE NE NE  N SW  W NW  W NE NE NE
Wind spd          9  9  9  8  9  8  6  6  4  5  9  6  5  5  4  4  6  6  8  8  6
Clouds           FW CL FW CL FW FW CL FW FW FW FW FW SC B1 B2 B2 B2 B2 SC B1 SC
PoP 12hr                      5          10          20          50          30
QPF 12hr                      0           0           0        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  C  C  C  C  C  C  S
Tstms                                              S  S  S                 S


Date               Wed 05/23/18  Thu 05/24/18  Fri 05/25/18  Sat 05/26/18
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            53    78      53    81      54    82      53    81
Temp          60   53 73 76 61   54 75 80 63   55 75 80 62   54 75 79
Dewpt         49   48 49 49 52   50 52 48 51   50 50 47 50   48 50 46
PWind dir           E     E       E    SW       W     W      SW     S
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC SC SC SC   B1 B1 SC SC   SC SC SC SC   SC FW FW
PoP 12hr           20    30      20    20      10    10      10    10
Rain shwrs     S       S  C  S    S     S
Tstms                     S  S          S

$$
MTZ051-202300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
332 AM MDT Sun May 20 2018

Date             Sun 05/20/18            Mon 05/21/18            Tue 05/22/18
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                      70          47          74          49          69
Temp             40 54 65 69 68 57 51 48 48 63 73 74 72 60 55 51 49 60 68 69 68
Dewpt            37 44 45 44 45 47 46 44 45 48 47 48 52 52 52 49 48 55 55 54 55
RH               89 69 48 40 43 69 83 86 89 58 40 40 49 75 90 93 96 84 63 59 63
Wind dir         SE  S SE SE SE SE SE  S  S  W  N NE NE SW SW SW  W NW  N NE NE
Wind spd          6  5  6  8 10  9  5  5  6  2  4  4  5  5  4  5  4  3  5  8  6
Clouds           FW FW FW FW SC SC SC SC SC FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5           5          30          60          60
QPF 12hr                      0           0        0.02        0.15        0.12
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  L  L  L  L  L  L  L  L  C
Tstms                                           C  C  C  S           S  C  C  S


Date               Wed 05/23/18  Thu 05/24/18  Fri 05/25/18  Sat 05/26/18
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            48    68      48    74      50    74      49    74
Temp          53   48 65 65 54   49 70 72 57   52 71 70 55   51 71 70
Dewpt         50   46 53 54 50   46 53 51 49   47 51 51 50   46 48 48
PWind dir           E     E       S     W       W     W       W    SE
Wind char          LT    LT      LT    GN      GN    GN      GN    LT
Avg clouds    B2   B1 B1 B2 B2   B2 B1 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr           40    50      50    30      20    20      20    20
Rain shwrs     C    C  C  C  C    C  S  C  S          S  S          S
Tstms          S       S  C  C          S  S          S  S          S

$$
http://www.weather.gov/greatfalls




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