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Point Forecast Matrices
National Weather Service Great Falls MT
354 AM MDT Tue May 22 2018

MTZ012-222300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
354 AM MDT Tue May 22 2018

Date             Tue 05/22/18            Wed 05/23/18            Thu 05/24/18
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                      74          50          74          52          79
Temp             54 63 71 74 72 62 55 53 50 62 70 74 71 62 56 53 53 67 75 77 78
Dewpt            47 50 50 48 49 48 47 46 46 51 52 52 54 52 50 47 48 53 49 52 46
RH               77 62 47 40 44 60 74 77 86 67 53 46 55 70 80 80 83 61 40 42 32
Wind dir         SW  W NE  E  E  E  E SW  N  N NE  E  E  S SW SW SW SW  W  W  W
Wind spd          8  6  8 12 11  9  6  8  6  6  9 12  8  6  8  9 10 13 12 14 13
Clouds           OV OV B2 OV B2 B1 B2 B1 B1 B1 B2 B2 B2 B1 B2 SC B1 SC B1 SC SC
PoP 12hr                     40          20          60          30          30
QPF 12hr                   0.04           0        0.09        0.01        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S  S  S        C  C  L  L  C  C        S  S  C  C
Tstms                      S                    C  C  S                    S


Date               Fri 05/25/18  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18
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    83      54    83      54    75      53    73
Temp          59   53 76 81 61   56 79 80 61   55 71 73 60   54 70 71
Dewpt         46   44 46 46 48   47 51 51 52   49 53 50 52   48 51 49
PWind dir          SW    SW       S    SW       N    NW      NW    NW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC FW FW SC   SC FW SC SC   SC B1 B1 B1   B2 B1 B2
PoP 12hr           10    10      20    20      50    40      60    50
Rain shwrs                   S          S  C    C  C  C  L    C  C  C
Tstms                        S          S  C          S  S          S

$$
MTZ010-222300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
354 AM MDT Tue May 22 2018

Date             Tue 05/22/18            Wed 05/23/18            Thu 05/24/18
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                      74          47          77          49          80
Temp             49 63 72 73 74 64 55 51 48 66 74 77 75 65 57 52 50 66 77 80 78
Dewpt            45 46 40 38 39 41 42 43 43 47 42 42 45 46 47 46 46 51 46 43 46
RH               86 54 31 28 28 43 61 74 83 50 32 29 34 50 69 80 86 58 33 27 32
Wind dir         NW  N  E  E  E  E NE  N NW NE  E  E  E  E  W  W  W  W  W  W  W
Wind spd          6  5  9 10 10  6  8  6  5  5  9 10 10  6  5  6  8 11 14 18 19
Clouds           SC FW B1 B2 SC FW SC FW FW FW B1 B1 B1 B1 B1 SC SC FW SC SC SC
PoP 12hr                     20          10          20          30          20
QPF 12hr                   0.01           0        0.02           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S     S                    S  S  C  C              S  S
Tstms                                              S  S


Date               Fri 05/25/18  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18
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            52    83      52    81      51    75      50    75
Temp          57   52 76 81 61   54 78 75 59   52 71 73 57   51 70 73
Dewpt         46   45 44 42 47   48 50 48 51   49 51 46 49   46 47 45
PWind dir           W     W      SW     W      NW    NW      NW    NW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW   FW FW FW FW   SC FW SC B1   B1 SC SC B1   SC B1 B1
PoP 12hr            5    10      20    30      50    40      30    30
Rain shwrs                   S          C  C    C  C  C  C    C  S  C
Tstms                        S          S  S          S  S

$$
MTZ014-222300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
354 AM MDT Tue May 22 2018

Date             Tue 05/22/18            Wed 05/23/18            Thu 05/24/18
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          50          73          49          78
Temp             51 59 66 70 69 61 55 52 50 60 68 73 71 65 58 53 49 61 71 77 76
Dewpt            48 49 48 49 49 50 48 47 47 51 53 54 55 55 51 48 46 51 50 50 49
RH               89 69 52 47 49 67 77 83 89 72 59 51 57 70 77 83 89 70 47 39 39
Wind dir          W SW  N NE NE  W  W  W NW NW  N  N NE SW SW  S  S SW  W  W  W
Wind spd          3  3  6 12 12  6  5  5  3  5  6 11  9  5  4  3  4  5  8 12 12
Clouds           B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1
PoP 12hr                     40          40          70          50          30
QPF 12hr                   0.04           0        0.14        0.05        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C  S  S  L  L  L  L  C  C        S  S  C  C  S
Tstms                   C  C  C              S  C  C  C                 S  C  S


Date               Fri 05/25/18  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18
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    83      51    82      52    73      51    72
Temp          60   51 75 81 61   52 76 79 59   53 68 72 60   51 66 71
Dewpt         48   46 50 47 48   46 49 49 50   48 51 54 52   47 49 49
PWind dir          SW     S      SW     S       W    NW      NW    NW
Wind char          LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    B1   SC FW SC SC   SC SC SC SC   SC B1 B1 B1   B1 B1 B1
PoP 12hr           20    20      20    30      40    50      60    50
Rain shwrs     S          S  S          C  C    C  C  C  L    C  C  C
Tstms          S          S  S          S  S          C  S          C

$$
MTZ055-222300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
354 AM MDT Tue May 22 2018

Date             Tue 05/22/18            Wed 05/23/18            Thu 05/24/18
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                      73          48          66          46          76
Temp             48 58 70 73 69 60 54 50 48 55 61 65 66 60 54 49 47 60 71 76 74
Dewpt            46 51 55 52 53 52 50 47 46 49 52 52 53 53 49 45 44 51 51 49 50
RH               93 77 59 48 57 75 86 89 93 80 72 63 63 78 83 86 89 72 49 39 43
Wind dir          S  W SW NE  E SE  S SE  E  W  W  S  S  S  S  S  S SW  W  W  W
Wind spd          5  3  4  8 13  8  8  5  4  3  4  8  9  6  5  5  4  5  5 10 12
Clouds           B1 B2 B1 B2 OV B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2 SC B1 SC B1
PoP 12hr                     40          60          80          60          30
QPF 12hr                   0.03        0.03        0.29        0.04        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C  C  C  D  D  D  D  L  L        S  S  C  C  C
Tstms                   C  C  C                 C  C  C                 S  C  S


Date               Fri 05/25/18  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18
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    81      48    82      49    73      48    71
Temp          56   48 74 79 59   50 78 77 57   50 71 68 56   48 64 70
Dewpt         48   43 48 48 47   44 46 51 50   46 53 54 51   45 50 49
PWind dir          SW    SW       S    NE       E    NW      NW    NW
Wind char          LT    LT      GN    LT      LT    LT      LT    LT
Avg clouds    B1   SC FW FW SC   FW FW SC SC   SC SC B1 B2   B2 B1 B1
PoP 12hr           30    20      20    30      20    60      60    50
Rain shwrs     C          S  S          C  S    S  C  L  L    C  C  C
Tstms          S                        S  S          C  C    S     C

$$
MTZ055-222300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
354 AM MDT Tue May 22 2018

Date             Tue 05/22/18            Wed 05/23/18            Thu 05/24/18
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                      65          38          56          37          65
Temp             37 49 64 64 60 50 42 40 38 45 52 55 56 48 42 39 37 47 60 65 64
Dewpt            37 45 42 41 44 45 40 39 37 43 45 46 46 44 41 38 36 44 45 44 43
RH              100 86 45 43 55 83 93 96 96 93 77 72 69 86 96 96 96 89 58 46 46
Wind dir          E NE NE  E  E NE  E NE SE SW SW SW SW SW  S SW  S SW SW SW SW
Wind spd          2  2  5 10  9  5  3  3  1  1  5 10 10  4  4  3  2  3  8 11 10
Clouds           B1 B1 B1 B2 OV B2 B2 OV OV OV OV OV OV OV OV B2 B2 B1 B2 B1 B1
PoP 12hr                     40          60          80          50          30
QPF 12hr                   0.03        0.04        0.45        0.07        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  C  C  C  D  D  L  L  C  C  S  S  S  S  C  C  S
Tstms                   S  C  C  S              C  C  C              S  C  C  S
Obvis            PF


Date               Fri 05/25/18  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18
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            35    71      36    73      36    67      36    64
Temp          44   35 64 68 46   38 69 66 47   37 65 58 45   37 60 61
Dewpt         40   33 42 43 39   34 40 42 41   34 42 45 42   35 44 41
PWind dir           S     S       S    SE      SE     N       N     N
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC FW   FW FW FW SC   SC SC B1 B2   B1 B1 B1
PoP 12hr           20     5       5    20      20    50      40    30
Rain shwrs     S                        S  S    S  S  C  C    C  C  C
Tstms          S                        S  S          C  S          C

$$
MTZ008-222300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
354 AM MDT Tue May 22 2018

Date             Tue 05/22/18            Wed 05/23/18            Thu 05/24/18
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                      68          45          65          44          72
Temp             46 54 62 67 66 54 51 46 45 51 58 63 64 57 52 46 44 53 66 72 71
Dewpt            44 47 47 46 47 47 47 44 44 47 48 48 49 49 48 43 42 47 47 46 47
RH               93 77 58 47 50 77 86 93 96 86 69 58 58 75 86 89 93 80 50 39 42
Wind dir         SE NE NE NE NE NE NE NE  E NW NW  W  S  S  S  S  S  S SW SW SW
Wind spd          6  5  6 10 13 12  5  6  5  5  4  6 10  8  8  8  8  8  8 12 12
Clouds           B1 B2 B1 B2 OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 SC B1 B1 B1
PoP 12hr                     30          50          80          50          30
QPF 12hr                   0.02        0.05        0.13        0.06        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  C  C  C  C  C  C  L  L  D  D  C  C        S  S  C  C  C
Tstms                   C  C  C              S  C  C  C  S              C  C  C


Date               Fri 05/25/18  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18
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            45    76      46    76      45    69      45    68
Temp          53   45 70 73 55   47 71 73 54   46 67 65 54   45 62 67
Dewpt         46   42 46 42 42   41 45 42 45   43 51 51 49   43 48 46
PWind dir          SW     S      SE    SE      SE     N       N    NW
Wind char          LT    GN      GN    LT      GN    GN      GN    GN
Avg clouds    B1   SC SC SC SC   SC SC FW SC   SC B1 B1 B1   B1 B1 B1
PoP 12hr           30    20      20    20      30    60      50    40
Rain shwrs     C          S  S          S  C    C  C  L  C    C  C  C
Tstms          C                        S  S          C  S          C

$$
MTZ011-222300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
354 AM MDT Tue May 22 2018

Date             Tue 05/22/18            Wed 05/23/18            Thu 05/24/18
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                      78          51          78          53          83
Temp             53 63 73 77 77 67 59 54 52 67 77 77 74 65 60 56 54 66 77 82 81
Dewpt            49 51 48 41 43 48 48 47 48 52 52 52 56 55 56 53 51 56 55 51 48
RH               86 65 41 28 30 50 67 77 86 59 42 42 53 70 87 90 90 70 47 34 32
Wind dir          W  W  N  N NE  E  E  E  E  E  E  E  E  E  W SW SW SW  W  W  W
Wind spd          3  4  8  9  6  4  5  4  6  8 11 12  9  5  4  6  6 10 11 12 14
Clouds           B1 SC SC B1 FW FW FW FW SC SC B1 B2 B2 B2 B2 B1 B1 FW SC SC SC
PoP 12hr                     10           5          50          50          20
QPF 12hr                      0           0        0.13        0.06           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  C  C  S  S  S  S  S  S
Tstms                                           C  C  S


Date               Fri 05/25/18  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18
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            55    86      55    86      55    81      56    79
Temp          64   55 79 84 65   56 82 83 66   55 75 80 67   56 73 77
Dewpt         51   49 51 47 52   50 54 48 55   51 56 54 57   51 52 48
PWind dir          SW     W       S     S       N    NW       N     N
Wind char          GN    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC   FW FW FW FW   FW FW FW SC   B1 SC SC SC   B1 B1 B1
PoP 12hr            5     5       5    20      50    30      40    20
Rain shwrs                              S  C    C  C  S  C    C  S  S
Tstms                                   S  S    S        S    S

$$
MTZ051-222300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
354 AM MDT Tue May 22 2018

Date             Tue 05/22/18            Wed 05/23/18            Thu 05/24/18
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                      66          49          65          49          75
Temp             50 60 66 66 66 59 53 51 50 62 65 65 65 61 54 52 50 64 72 75 73
Dewpt            50 52 50 49 52 52 49 48 48 54 56 55 58 58 53 50 47 54 50 51 52
RH              100 75 56 54 61 78 86 89 93 75 73 70 78 90 96 93 89 70 46 43 48
Wind dir          S NW  N  E  E SE  S SE SE NE NE NE NW  W SW SW SW  W  W  W  W
Wind spd          5  3  6 11  8  5  5  4  5  3  9 10  9  6  6  6  6  8 10 12 12
Clouds           B2 OV OV OV OV OV B2 B2 B2 B2 OV OV OV OV B2 B1 B1 SC B1 SC B1
PoP 12hr                     60          50          90          70          30
QPF 12hr                   0.10        0.04        0.43        0.10        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  C  C  C  C  C  D  D  D  D  L  L  S  S  S  S  C  C  S
Tstms                S  C  C  S              S  C  C  S                 S  S  S


Date               Fri 05/25/18  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18
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    79      52    81      52    73      51    71
Temp          57   51 74 76 58   54 78 76 59   53 71 69 56   52 67 69
Dewpt         48   46 49 50 48   48 50 52 52   50 56 55 53   49 52 50
PWind dir           W     W      SW     S       E    NW      NW    NW
Wind char          GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B1   SC FW FW FW   FW FW FW SC   SC SC SC B1   B2 B2 B1
PoP 12hr           20    20      10    10      40    30      60    50
Rain shwrs     S          S                C    C  C  C  L    L  C  C
Tstms          S          S                C          S  C    S     S

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




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