Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
246 AM MDT Fri May 10 2024

MTZ312-102200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
246 AM MDT Fri May 10 2024

Date             Fri 05/10/24            Sat 05/11/24            Sun 05/12/24
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          42          76          43          77
Temp          38 35 47 59 66 66 56 48 45 43 54 68 74 75 62 53 48 44 54 68 75 75
Dewpt         34 30 37 43 43 43 43 38 35 33 38 42 40 40 42 43 39 37 42 45 46 45
RH            85 82 68 55 43 43 62 68 68 67 54 39 29 28 48 69 71 76 64 43 36 34
Wind dir      SW SW SW SW  S  S  S SW SW SW SW  W NW NW  W  S SW SW SW  W SW  W
Wind spd       8  9 10  8  6  8  8  9 10 10 11 10  9  8  5  6  6  6  8  8  8  8
Clouds        FW FW FW CL CL CL FW FW FW SC SC FW FW FW SC FW FW FW FW CL FW FW
PoP 12hr                      0           0           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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    74      46    62      45    66      46    68
Temp          57   50 71 70 53   47 56 60 48   45 62 66 51   47 65 67
Dewpt         43   37 37 36 38   37 40 38 39   36 38 38 38   35 39 37
PWind dir          SW    SW       W    NW      SW     W      SW     W
Wind char          GN    BZ      GN    GN      GN    GN      GN    BZ
Avg clouds    FW   FW FW SC B1   B1 B2 B1 B1   B1 SC B1 B1   B1 B1 B1
PoP 12hr            5    10      30    50      30    30      30    30
Rain                         S    C  C     C    S  S  C  C    C  C  C
Rain shwrs                              C
Tstms                                   S

$$
MTZ303-102200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
246 AM MDT Fri May 10 2024

Date             Fri 05/10/24            Sat 05/11/24            Sun 05/12/24
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          45          77          45          77
Temp          39 35 50 67 72 72 60 51 48 46 58 71 76 74 63 55 49 45 55 69 75 75
Dewpt         33 29 36 37 37 37 39 37 34 33 37 39 39 40 41 41 40 39 41 43 42 39
RH            79 78 58 33 28 28 46 59 58 60 45 31 26 29 44 59 71 79 59 39 31 27
Wind dir       W  W  W SW  S SW SW  W  W  W NW NW NW NW SW  W  W  W  W SW SW  W
Wind spd       6  6  5  6 10 11  9 10 10 11 13 13 12 11  8 11 10  6  8 10 13 18
Clouds        FW FW FW CL CL CL FW SC SC SC SC FW SC SC SC SC FW FW FW FW FW FW
PoP 12hr                      0           0          10          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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      44    62      42    64      42    63
Temp          56   49 67 64 49   44 55 60 47   43 60 63 49   43 62 63
Dewpt         39   35 36 37 39   39 38 35 37   35 37 35 36   34 39 36
PWind dir          SW     W      NW    NW       W     W       W     W
Wind char          GN    BZ      BZ    GN      GN    GN      GN    BZ
Avg clouds    FW   SC SC SC B1   B2 B2 B1 B1   B1 B1 SC B1   B1 B1 B1
PoP 12hr            5    20      40    50      20    20      30    30
Rain                      S  C    C  C  C  S    S     S  C    C  C  C

$$
MTZ319-102200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
246 AM MDT Fri May 10 2024

Date             Fri 05/10/24            Sat 05/11/24            Sun 05/12/24
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          41          78          47          80
Temp          41 38 45 58 68 71 60 52 45 41 51 66 75 77 67 57 52 47 56 70 77 78
Dewpt         36 32 36 42 42 41 39 37 33 33 36 40 38 39 39 36 36 35 37 41 40 38
RH            82 79 70 55 39 34 46 56 62 73 56 38 26 25 36 45 54 63 49 35 26 24
Wind dir      SW  W NE  E  E  E  S SW SW SW  E  N  N NW  W SW SW SW  W  W  W  W
Wind spd       3  2  2  5  5  6  5  5  4  4  4  9 11 12  6  5  5  5  5  9 10 13
Clouds        FW FW FW FW CL CL CL CL CL FW SC FW SC FW FW FW SC FW FW FW FW FW
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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    76      49    67      45    68      45    70
Temp          60   49 70 73 57   49 59 64 53   45 64 67 54   46 66 69
Dewpt         36   35 36 33 34   34 35 34 37   35 36 33 35   34 37 33
PWind dir           W     W       W    NW       W     W       W     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW   FW FW SC B1   B1 B1 B1 B1   SC SC B1 B1   SC SC B1
PoP 12hr            0    20      10    40      20    30      30    30
Rain                                 C     S          C  C    S  S
Rain shwrs                S             C                           C
Tstms                     S             S                           S

$$
MTZ326-102200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
246 AM MDT Fri May 10 2024

Date             Fri 05/10/24            Sat 05/11/24            Sun 05/12/24
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          33          73          40          76
Temp          35 31 40 53 60 62 50 43 37 34 46 61 69 72 57 50 45 41 52 66 73 74
Dewpt         33 30 36 42 42 41 38 34 31 28 33 40 42 42 41 38 36 34 38 41 40 39
RH            92 96 85 66 51 46 63 70 79 78 60 46 37 34 55 63 70 76 59 40 30 28
Wind dir      SE SE NE  N SW  S SE  S  S  S SE  W SW NW SE SE  S  S SW  W  W SW
Wind spd       5  3  2  3  4  5  9  8  8  4  3  5  8  8  6  8  5  4  2  8  8 10
Clouds        FW SC FW FW CL CL CL FW FW FW FW FW SC FW FW FW FW FW CL FW FW FW
PoP 12hr                      5           5           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis         PF PF


Date               Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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    75      44    64      39    66      41    69
Temp          55   46 69 69 53   44 58 61 48   40 59 65 49   42 62 69
Dewpt         40   38 40 40 39   37 37 36 37   33 37 37 36   33 37 37
PWind dir           S    SW       W     W      SW     W      SW     W
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC SC B1 B1   B1 B1 B1 B1   B1 SC B1 B1   B1 SC B1
PoP 12hr            5    40      30    50      20    30      30    30
Rain                         C    S  C     S             C    S  S
Rain shwrs                C             C             C             C
Tstms                     S             S             S             S

$$
MTZ330-102200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
246 AM MDT Fri May 10 2024

Date             Fri 05/10/24            Sat 05/11/24            Sun 05/12/24
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          27          66          30          67
Temp          29 27 38 55 61 61 48 37 31 27 40 60 66 63 50 40 34 31 43 62 66 65
Dewpt         29 27 29 34 32 32 34 32 29 26 29 34 33 31 34 33 30 28 30 33 33 32
RH           100100 70 45 33 33 58 82 92 96 64 37 29 30 54 76 85 88 60 33 29 29
Wind dir       E  E  N NE  N  N NE NE  E NE  W  W NW  N  N  E  E  E  N  W  W  W
Wind spd       4  2  5  4  5  5  6  2  2  2  1  4  5  9  5  2  2  2  0  5 10 13
Clouds        SC FW FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW FW FW
PoP 12hr                      5           5           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S
Obvis         PF  F


Date               Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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    65      36    57      31    59      33    61
Temp          43   35 60 60 43   37 54 55 39   31 55 57 40   33 57 60
Dewpt         36   31 34 32 34   33 31 28 31   28 30 27 31   29 30 27
PWind dir           S    SW       W    NW       N    NW       W    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC SC B1 B1   B1 B1 B1 SC   SC SC B1 B1   SC SC B1
PoP 12hr           20    50      40    50      20    30      30    30
Rain           S             C    C  C     S          C  C    S  S
Rain shwrs                C             C                           C
Tstms                     S             S                           S

$$
MTZ328-102200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
246 AM MDT Fri May 10 2024

Date             Fri 05/10/24            Sat 05/11/24            Sun 05/12/24
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          36          74          40          75
Temp          36 32 41 54 63 66 53 46 41 37 48 64 71 73 60 51 45 40 51 66 73 74
Dewpt         33 30 34 36 33 32 32 30 29 28 30 35 36 36 35 34 33 31 32 33 31 30
RH            89 92 76 50 32 28 44 53 62 70 49 34 28 26 39 52 62 70 48 29 21 20
Wind dir       S  S  W  N  N  N  E  S  S  S SW  W  N  N  N  W SW SW SW  W  W  W
Wind spd       5  6  4  5  6  8  8  5  6  6  5  5  9 10  8  6  8  8  5  6 10 12
Clouds        FW FW FW FW CL CL CL FW FW FW FW SC SC SC FW FW FW FW FW FW FW FW
PoP 12hr                      5           0           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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    73      42    64      39    66      41    68
Temp          53   45 68 70 51   42 58 62 47   39 60 64 49   41 64 67
Dewpt         35   35 33 29 34   34 32 28 32   31 32 29 33   32 32 27
PWind dir          SW    SW       W    NW      NW     W       W     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC FW SC B1   B1 SC SC SC   SC SC SC SC   SC SC SC
PoP 12hr            5    30      10    20       5    10      20    20
Rain                                 S                   S    S  S
Rain shwrs                C             S                           S
Tstms                     S             S                           S

$$
MTZ305-102200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
246 AM MDT Fri May 10 2024

Date             Fri 05/10/24            Sat 05/11/24            Sun 05/12/24
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          77          48          75
Temp          44 40 50 64 70 70 59 52 49 46 55 69 75 76 64 57 51 48 56 68 73 73
Dewpt         40 38 41 43 42 42 44 41 40 39 41 45 44 43 44 45 44 44 44 48 48 48
RH            86 92 71 46 36 36 57 66 71 76 59 42 33 31 48 64 77 86 64 49 41 41
Wind dir      SW SW SW SW SW SW  S SW SW SW SW  W NW  N SW  S  S SW NW NW SE  S
Wind spd       8  9 13 12 10 10  9  9 10 11 13 11 10  9  5  8  6  9  6  5  5  8
Clouds        FW FW FW FW FW CL FW FW SC B1 SC SC SC FW SC B1 B1 FW FW SC SC SC
PoP 12hr                      0           0          10          30          20
QPF 12hr                      0           0           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  S  S  C  C        S  S
Rain shwrs                                                                    S
Tstms                                                                         S


Date               Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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      46    64      42    67      43    67
Temp          57   50 73 71 53   46 58 62 48   43 63 65 52   44 65 67
Dewpt         45   42 43 42 43   42 41 38 39   38 41 39 41   37 43 42
PWind dir           S    SW       W    NW       W     W       W     W
Wind char          GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC   FW FW SC B1   B1 B2 B1 B1   B1 B1 B1 B1   SC B1 B1
PoP 12hr           20    20      40    50      30    40      30    40
Rain                      S  C    C  C  C  C    S        C    S  S  C
Rain shwrs     S                                      C
Tstms          S                                      S

$$
MTZ314-102200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
246 AM MDT Fri May 10 2024

Date             Fri 05/10/24            Sat 05/11/24            Sun 05/12/24
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          38          70          41          70
Temp          35 33 45 56 60 60 49 42 41 39 53 66 70 67 55 48 45 42 54 64 69 68
Dewpt         32 28 36 40 41 42 39 36 35 31 38 43 43 43 43 40 38 35 42 45 47 46
RH            89 82 70 55 49 51 68 79 79 73 57 43 38 42 64 74 76 76 64 50 45 45
Wind dir       S  S  W  W  W  W  S  S  S  S  W NW NW NW  W  S SW SW  W NW NW NW
Wind spd       5  5  5  5  5  5  6  8  8  6  9 11 13 11  5  6  8  6  9 10  9  8
Clouds        FW FW FW CL FW FW FW FW FW SC B1 SC FW FW FW SC SC FW FW B1 B1 SC
PoP 12hr                      0           0           5          10          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  S
Tstms                                                                   S  S  S


Date               Mon 05/13/24  Tue 05/14/24  Wed 05/15/24  Thu 05/16/24
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    71      43    57      40    61      41    63
Temp          51   47 68 66 50   44 54 55 44   40 58 59 46   42 62 63
Dewpt         42   36 39 40 39   35 40 39 37   34 38 37 37   34 40 39
PWind dir           S     W       W    NW       W     W       W     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   FW FW B1 B1   B1 B2 B2 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr           20    30      30    70      30    50      40    40
Rain                         C    C  C     C    S  S     C    S  S
Rain shwrs     S          C             L             C             C
Tstms          S          S             S             S             S

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