Point Forecast Matrices
Issued by NWS Great Falls, MT

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8
322
FOUS55 KTFX 211738
PFMTFX

Point Forecast Matrices
National Weather Service Great Falls MT
1138 AM MDT Sun May 21 2017

MTZ012-212300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
1138 AM MDT Sun May 21 2017

Date             Sun 05/21/17            Mon 05/22/17            Tue 05/23/17
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          45          69          46          78
Temp                   65 69 67 58 52 47 48 56 64 69 67 59 51 48 47 60 73 77 77
Dewpt                  36 36 35 41 43 41 45 45 42 40 36 41 40 38 40 43 44 41 41
RH                     34 30 30 53 71 79 89 66 45 35 32 51 66 68 76 53 35 28 28
Wind dir               NW  W NW NW  W  W  W NW  N  N  N SE  S  S  S  S SW SW SW
Wind spd                8  9 11  9  8  6 10 10 10 11 10  8  9 10 10 11 12 13 11
Clouds                 SC SC B1 B1 B2 OV OV OV B1 SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          20          10           5           5
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S  S  S  S  S  S
Tstms                         S


Date               Wed 05/24/17  Thu 05/25/17  Fri 05/26/17  Sat 05/27/17
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    73      44    62      41    60      40    64
Temp          57   53 70 68 50   44 59 60 46   42 56 59 45   41 60 63
Dewpt         43   44 35 33 35   37 42 36 39   39 40 37 39   37 40 38
PWind dir          SW    SW       W     W       N    NW       N    NW
Wind char          GN    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    FW   FW FW FW SC   SC B1 B1 B2   B2 B2 B2 B2   B2 B1 B1
PoP 12hr            0    20      30    40      50    50      20    30
Rain shwrs             S  S  S    C  C  C  C    C  C  C  S    S  C  C
Tstms                                   S

$$
MTZ010-212300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
1138 AM MDT Sun May 21 2017

Date             Sun 05/21/17            Mon 05/22/17            Tue 05/23/17
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          43          70          45          78
Temp                   68 69 69 59 51 46 47 58 67 69 69 60 52 48 46 60 74 77 76
Dewpt                  34 34 34 38 39 38 42 41 41 39 38 41 41 41 41 45 45 43 42
RH                     28 27 27 45 63 73 83 53 39 33 32 49 66 77 83 58 35 30 30
Wind dir               NW NW NW NW NW NW NW  N  N  N  N SE  S  S  S SW SW SW SW
Wind spd                9 13 14 10  8  8 10  9  9 10 10 10  9  8  9 11 12 16 16
Clouds                 SC B1 B2 B2 B2 OV OV OV B1 SC B1 SC SC SC SC SC SC FW SC
PoP 12hr                     10          20           5           5           5
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S  S  S  S


Date               Wed 05/24/17  Thu 05/25/17  Fri 05/26/17  Sat 05/27/17
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      42    59      40    57      38    63
Temp          56   48 64 63 47   42 56 57 44   41 54 56 44   39 58 62
Dewpt         44   38 29 36 34   35 41 34 36   38 37 36 37   37 38 36
PWind dir          SW    SW       W    NW      NW    NW      NW    NW
Wind char          GN    WY      BZ    BZ      GN    GN      GN    GN
Avg clouds    FW   FW FW FW SC   B1 B1 B2 B1   B2 B2 B2 B2   B1 B1 B1
PoP 12hr            0    20      40    40      50    50      20    40
Rain shwrs             S  S  C    C  C  C  C    C  C  C  S    S  S  C
Snowshwrs                                                     S  S

$$
MTZ014-212300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
1138 AM MDT Sun May 21 2017

Date             Sun 05/21/17            Mon 05/22/17            Tue 05/23/17
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          47          72          47          80
Temp                   65 70 70 62 53 50 50 57 66 72 70 63 54 50 47 57 71 79 79
Dewpt                  39 35 36 44 42 40 42 43 40 40 38 43 41 39 39 42 43 40 40
RH                     38 27 29 52 66 68 74 59 38 31 31 48 61 66 74 57 36 25 25
Wind dir               NW NW NW  W  W  W  W NW  N  N  N NW  S  S  S  S SW  W SW
Wind spd                6  9 10  6  5  4  5  5 10 13 12  6  5  5  5  5  9 12 11
Clouds                 SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC FW SC SC FW
PoP 12hr                     10          10          10           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S  S  S  S  S  S


Date               Wed 05/24/17  Thu 05/25/17  Fri 05/26/17  Sat 05/27/17
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    76      45    65      43    62      42    65
Temp          59   52 72 72 53   45 62 63 50   43 58 61 49   43 60 64
Dewpt         42   40 39 30 35   34 39 37 40   37 38 36 39   37 38 38
PWind dir          SW    SW       W     W       N     N       N    NW
Wind char          GN    GN      GN    LT      GN    LT      GN    LT
Avg clouds    FW   FW FW FW SC   SC B1 B2 B2   B2 B2 B2 B2   B2 B2 B1
PoP 12hr            0     5      20    40      50    50      30    40
Rain shwrs                        S  C  C  C    C  C  C  C    C  C  C
Tstms                                   S  S          S  S          S

$$
MTZ055-212300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
1138 AM MDT Sun May 21 2017

Date             Sun 05/21/17            Mon 05/22/17            Tue 05/23/17
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          40          67          40          75
Temp                   58 63 63 55 46 42 43 51 62 66 66 56 47 43 41 54 66 73 74
Dewpt                  40 37 34 39 38 37 40 41 40 40 39 42 40 38 37 42 38 38 39
RH                     51 38 34 55 73 82 89 68 44 38 37 59 76 82 85 64 36 28 28
Wind dir               NW NW NW SW  S  S  S  W NW  N  N NE SE SE  S  S  W  W  W
Wind spd                5  8  8  6  6  6  6  5  8 10 10  6  6  6  6  5  6  8  8
Clouds                 SC SC B1 B1 B1 B2 B2 OV B1 B1 B1 B1 SC SC SC FW SC SC SC
PoP 12hr                     10          10          20          10           5
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S  S  S  S  S  S  S  S


Date               Wed 05/24/17  Thu 05/25/17  Fri 05/26/17  Sat 05/27/17
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      41    63      39    59      38    62
Temp          53   45 71 72 48   42 60 61 46   40 57 57 44   39 58 60
Dewpt         42   40 40 35 36   36 37 40 39   38 39 38 39   36 41 37
PWind dir          SW    SW       W     W      NE     N      NE     W
Wind char          LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW FW SC   SC B1 B1 B2   B1 B1 B1 B2   B2 B2 B1
PoP 12hr            0    10      10    30      40    40      40    50
Rain shwrs                           C  C  C    C  C  C  C    C  C  C
Snowshwrs                                       C  C          C  C
Tstms                                   S  S          C  S          S

$$
MTZ055-212300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
1138 AM MDT Sun May 21 2017

Date             Sun 05/21/17            Mon 05/22/17            Tue 05/23/17
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                      55          29          58          30          66
Temp                   48 52 54 44 35 31 32 42 55 57 57 45 36 32 31 43 60 64 65
Dewpt                  34 32 29 34 31 28 29 33 35 36 35 38 33 30 30 35 36 35 36
RH                     58 46 38 68 85 88 88 70 47 45 43 76 89 92 96 73 41 34 34
Wind dir                N  N NE NE NE NE  N  N  N  N  N NE NE NE  E  E NW  W SW
Wind spd                9 10  8  4  3  3  3  4  9 11 11  6  4  4  4  4  6 10  8
Clouds                 FW CL CL CL SC SC B1 B1 B1 B1 SC SC FW FW FW FW SC SC SC
PoP 12hr                     10           5          20           5           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S
Tstms                                              S
Obvis                                    PF                PF PF PF


Date               Wed 05/24/17  Thu 05/25/17  Fri 05/26/17  Sat 05/27/17
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            34    68      33    57      30    54      30    55
Temp          42   34 63 65 40   34 54 54 38   31 52 51 38   31 52 52
Dewpt         37   33 39 33 29   31 30 33 35   29 32 31 34   29 32 33
PWind dir          SW    SW       W     W       S     S      SW     S
Wind char          LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW FW SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            5     5      20    30      30    40      30    50
Rain shwrs                        S  S  C  C    C  C  C  C    C  C  C
Snowshwrs                         S  S     C    C  C     C    C  C
Tstms                                   S  S          C  S          C

$$
MTZ008-212300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
1138 AM MDT Sun May 21 2017

Date             Sun 05/21/17            Mon 05/22/17            Tue 05/23/17
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          40          68          41          75
Temp                   55 62 63 55 47 42 43 51 62 67 67 57 50 44 41 53 66 73 74
Dewpt                  37 34 31 36 36 34 36 36 35 35 36 39 39 37 35 39 38 34 36
RH                     51 35 30 49 65 73 76 56 36 30 32 51 66 76 79 59 36 24 25
Wind dir                N  N  N NW  S SW SW  W  N  N  N NE SE  S  S SW SW  W  W
Wind spd                8  9  9  6  8  8  9  8  8  9 10  9  8  8  8  8  6  9  9
Clouds                 FW CL CL FW FW FW SC SC SC B1 B1 SC FW FW FW FW SC FW SC
PoP 12hr                      5           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Wed 05/24/17  Thu 05/25/17  Fri 05/26/17  Sat 05/27/17
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            47    74      41    62      39    59      38    61
Temp          54   47 69 71 49   41 57 61 47   39 57 57 45   38 56 60
Dewpt         41   38 39 31 34   32 32 34 37   32 34 36 37   33 37 36
PWind dir          SW    SW       W     W      NE     N      NE     N
Wind char          GN    GN      GN    LT      GN    LT      LT    LT
Avg clouds    FW   FW FW FW SC   SC SC B1 B1   B1 B1 B1 B2   B2 B1 B1
PoP 12hr            0     0       5    20      40    40      30    40
Rain shwrs                           S  S  S    C  C  C  C    C  C  C
Snowshwrs                                       C  C          C  C
Tstms                                   S  S          C  S          S

$$
MTZ011-212300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
1138 AM MDT Sun May 21 2017

Date             Sun 05/21/17            Mon 05/22/17            Tue 05/23/17
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          44          71          43          79
Temp                   70 72 70 59 51 49 47 56 66 70 70 60 51 46 43 58 72 76 78
Dewpt                  37 34 38 43 42 44 45 44 39 36 35 39 38 37 37 41 41 40 40
RH                     30 25 31 55 71 83 93 64 37 29 27 46 61 71 79 53 33 27 26
Wind dir               NW NW NW NW  W NW NW  N  N  N  N  E  E SE SE  S  S  S  S
Wind spd               12 13 12  6  5  5  6  9 10 11 10  6  8  8  8 10 10 12 12
Clouds                 B1 B2 B2 SC SC B1 CL CL FW FW FW FW FW FW SC SC B1 B1 SC
PoP 12hr                     20          20           5           0           5
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S  S  S  S
Tstms                      S  S


Date               Wed 05/24/17  Thu 05/25/17  Fri 05/26/17  Sat 05/27/17
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    77      45    65      42    63      41    67
Temp          59   50 73 73 51   46 62 63 47   43 60 62 47   42 62 66
Dewpt         44   43 40 34 37   39 45 38 39   40 40 39 39   39 41 40
PWind dir           S    SW       W    NW      NW    NW      NW     W
Wind char          GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC   FW FW FW SC   SC B1 B1 B1   B2 B2 B2 B2   B2 B1 B1
PoP 12hr            5    20      40    40      30    30      30    20
Rain shwrs             S  S  C    C  C  C  C    C  S  C  S    C  S  S

$$
MTZ051-212300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
1138 AM MDT Sun May 21 2017

Date             Sun 05/21/17            Mon 05/22/17            Tue 05/23/17
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          43          64          40          72
Temp                   60 64 63 55 48 45 46 53 60 62 64 54 46 42 41 56 66 70 71
Dewpt                  36 35 37 42 41 39 42 43 37 35 35 37 36 34 35 40 39 40 40
RH                     41 34 38 61 77 79 86 69 42 36 34 52 68 73 79 55 37 33 32
Wind dir               NW NW NW  W  W  W  W NW  N  N  N NW  S  S  S  S  S  W SW
Wind spd               13 14 14  9  8  8 10 10 13 13 14  6  6  9  9  8  8  8 10
Clouds                 B1 SC B1 B2 B2 B2 OV B1 SC SC FW FW FW FW SC SC SC SC SC
PoP 12hr                     20          30          20           5           5
QPF 12hr                      0        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  C  S  S  S  S
Tstms                         S  S


Date               Wed 05/24/17  Thu 05/25/17  Fri 05/26/17  Sat 05/27/17
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            47    73      42    61      39    57      38    62
Temp          52   47 71 68 48   43 58 58 44   40 54 56 42   39 58 60
Dewpt         41   40 45 35 34   36 37 39 38   37 38 39 36   35 38 39
PWind dir           S     W       W    NW      NW    NW      NW    NW
Wind char          GN    GN      BZ    GN      GN    GN      GN    LT
Avg clouds    SC   FW FW FW SC   SC SC B1 B1   B2 B2 B2 B2   B2 B1 B1
PoP 12hr            5    20      20    30      30    40      30    40
Rain shwrs             S  S  S    S  S  C  S    C  C  C  S    C  C  C
Snowshwrs                                       C  C          C  C
Tstms                                                 S

$$
weather.gov/greatfalls




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.