Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
208 AM MDT Fri Oct 18 2024

MTZ312-182200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
208 AM MDT Fri Oct 18 2024

Date             Fri 10/18/24            Sat 10/19/24            Sun 10/20/24
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                      56          39          67          48          74
Temp          37 35 36 48 54 52 42 42 44 46 52 62 67 64 55 54 51 49 55 68 73 69
Dewpt         25 24 25 24 19 18 19 22 18 22 30 36 40 41 38 39 37 35 37 39 39 39
RH            61 64 64 39 25 26 39 44 35 38 43 38 37 43 53 57 59 58 51 34 29 33
Wind dir       W  W SW SW SW SW SW  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd       5  5  5 10 12 11 16 23 26 28 31 31 28 20 20 19 20 19 18 20 18 12
Wind gust                          33 37 39    41 40 31 33 31
Clouds        B1 SC FW CL CL FW FW SC SC FW FW FW FW FW SC SC SC SC SC FW FW FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 10/21/24  Tue 10/22/24  Wed 10/23/24  Thu 10/24/24
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            48    68      35    58      35    65      39    68
Temp          54   49 64 59 45   39 52 53 39   39 58 59 45   40 60 61
Dewpt         37   35 40 41 36   31 33 28 26   26 28 27 26   25 31 32
PWind dir          SW    SW       W    SW      SW    SW      SW    SW
Wind char          GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    SC   SC B1 B2 B1   B1 B1 SC FW   FW FW SC SC   SC SC FW
PoP 12hr            0    20      30    10       0     0      10     0
Rain                      S  C

$$
MTZ303-182200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
208 AM MDT Fri Oct 18 2024

Date             Fri 10/18/24            Sat 10/19/24            Sun 10/20/24
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                      54          38          62          47          70
Temp          30 27 29 48 52 49 41 43 43 44 48 58 61 58 52 52 50 48 51 64 69 65
Dewpt         24 21 21 20 17 16 16 19 21 26 32 37 40 39 40 40 38 37 38 39 39 38
RH            78 78 72 33 25 26 36 38 41 49 54 45 46 49 63 63 63 65 61 40 33 37
Wind dir       W  W  W SW SW SW  S  S SW SW  W  W  W  W SW SW SW SW SW SW SW SW
Wind spd      11 10 10 13 16 14 20 21 25 29 34 36 36 29 27 21 18 16 14 18 19 14
Wind gust                 26 25    35 44 57 50 55 55 44 39 34 29 26 25 28 32 27
Clouds        FW FW CL FW FW FW B1 B1 B2 B1 SC B1 B1 B1 B1 B2 B2 OV B2 B1 B1 B1
PoP 12hr                      0           5           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind                              W  W  W  W  W


Date               Mon 10/21/24  Tue 10/22/24  Wed 10/23/24  Thu 10/24/24
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            43    59      27    53      29    60      33    63
Temp          54   45 58 50 38   30 48 49 36   30 53 54 40   34 55 57
Dewpt         38   34 38 34 30   26 27 25 25   19 22 23 25   23 28 29
PWind dir          SW     W      NW     W      SW    SW      SW    SW
Wind char          GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    B1   B2 B2 B1 B1   SC SC FW FW   FW FW SC SC   B1 SC SC
PoP 12hr           10    40      20     5       0     0       5     0
Rain                   S  C  S

$$
MTZ319-182200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
208 AM MDT Fri Oct 18 2024

Date             Fri 10/18/24            Sat 10/19/24            Sun 10/20/24
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                      55          33          67          42          72
Temp          39 34 33 44 52 51 43 39 36 35 39 56 66 63 55 51 46 42 45 61 71 68
Dewpt         28 26 26 26 26 26 24 23 21 23 27 35 40 41 38 38 36 37 37 42 43 42
RH            64 72 75 49 36 37 47 52 54 61 62 45 38 44 53 61 68 82 73 49 36 39
Wind dir       W  W  W  W  E SE  S  S SW SW  S  S SW SW  S  S  S  S  S  S  S  S
Wind spd       5  3  2  2  5  5 11 13 12  9  9 10 11  8 10 10  9  5  5  5  6  5
Clouds        B2 B2 FW CL CL FW FW FW FW SC SC FW FW FW SC SC SC SC FW FW SC SC
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 10/21/24  Tue 10/22/24  Wed 10/23/24  Thu 10/24/24
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            43    70      38    61      35    65      37    67
Temp          53   43 60 64 50   40 53 57 44   35 54 60 46   37 55 62
Dewpt         38   36 41 42 37   35 37 35 30   29 34 35 29   29 35 36
PWind dir           S     S       W     W      SW    SW      SW     S
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC   SC B1 B1 B1   B1 B1 SC SC   FW FW FW SC   SC SC SC
PoP 12hr            0    40      40    20       5     5      10     5
Rain                      C  C    S  S  S

$$
MTZ326-182200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
208 AM MDT Fri Oct 18 2024

Date             Fri 10/18/24            Sat 10/19/24            Sun 10/20/24
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                      49          23          61          33          66
Temp          34 32 32 40 47 46 34 30 27 26 33 50 60 57 45 41 37 34 39 57 65 61
Dewpt         34 31 32 34 31 32 29 26 23 22 26 32 35 38 37 36 34 32 34 42 41 42
RH           100 96100 79 53 58 82 85 85 85 75 50 39 49 73 82 89 92 82 57 41 49
Wind dir      NW NW  S  W NW  S  S  S SE  S  S SW SW  S  S  S  S SE SE SW SW  S
Wind spd       4  2  2  2  2  2  6  6  6  6  5  3  4  4  6  5  5  5  3  2  2  2
Clouds        OV OV B2 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                     40           0           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           C
Snow           C  C
Winter Weath   Y  Y  Y


Date               Mon 10/21/24  Tue 10/22/24  Wed 10/23/24  Thu 10/24/24
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            35    67      34    61      30    64      33    67
Temp          44   36 58 62 47   38 53 55 39   31 54 58 41   34 56 61
Dewpt         37   33 41 41 38   35 40 36 33   28 36 35 31   28 36 37
PWind dir           S     S      SW    SW       S    SW       S     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC SC B1 B1   B1 B1 SC SC   FW FW FW SC   SC SC SC
PoP 12hr            0    10      30    20       5     5      10     5
Rain                         C       S  S

$$
MTZ330-182200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
208 AM MDT Fri Oct 18 2024

Date             Fri 10/18/24            Sat 10/19/24            Sun 10/20/24
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                      44          15          53          20          56
Temp          26 24 27 35 42 41 29 24 19 19 24 44 53 49 37 29 23 21 27 48 56 52
Dewpt         26 24 26 27 27 26 26 24 19 19 24 28 29 32 30 27 23 21 26 33 32 31
RH           100100 96 72 55 55 88100100100100 53 39 52 75 92100100 96 56 40 44
Wind dir       N  N  N NE NE  N NE SE  E  N  E NW  W SW  S  S  N  N  N SW SW SW
Wind spd      13 13 13 11 10  4  3  2  1  0  1  2  3  3  2  1  0  0  0  1  5  5
Clouds        OV OV OV B1 FW FW FW FW SC SC SC FW FW FW FW FW FW SC SC FW FW FW
PoP 12hr                     60           0           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                     T       00-00       00-00
Snow           C  L  S
Winter Storm   W  W  W


Date               Mon 10/21/24  Tue 10/22/24  Wed 10/23/24  Thu 10/24/24
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            23    53      24    53      22    56      22    58
Temp          32   24 47 50 34   26 46 50 32   23 48 51 31   22 50 53
Dewpt         27   24 34 31 28   26 32 29 27   23 31 29 24   22 30 28
PWind dir           S     S      SW    SW      SW     S       S     S
Wind char          LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC   SC B1 SC SC   B1 B1 SC SC   SC SC FW SC   SC SC SC
PoP 12hr            0     5      10    20      10     5      10    10
Rain                                 S  S
Snow                                 S

$$
MTZ328-182200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
208 AM MDT Fri Oct 18 2024

Date             Fri 10/18/24            Sat 10/19/24            Sun 10/20/24
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                      44          25          57          32          63
Temp          29 28 27 36 43 42 32 29 27 26 29 48 56 55 43 39 35 33 34 53 62 59
Dewpt         28 25 26 26 27 28 24 21 19 17 21 28 35 39 35 32 30 28 31 37 40 41
RH            96 88 96 67 53 57 72 72 71 68 72 46 45 55 73 76 82 82 89 54 44 51
Wind dir       N  N  N  N  N  E  S  S  S  S  S SW SW  S  S  S  S  S  S SW SW  S
Wind spd      12 11  8  5  3  3  6  8  8  9  8  4  4  4  6  8  8  9  6  4  5  5
Clouds        B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW SC SC
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 10/21/24  Tue 10/22/24  Wed 10/23/24  Thu 10/24/24
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            35    62      32    59      31    62      32    63
Temp          43   36 54 57 42   35 51 55 38   31 52 57 40   33 53 57
Dewpt         34   29 37 40 33   30 35 34 28   25 33 34 28   24 32 34
PWind dir           S     S       S    SW      SW    SW       S     S
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC   SC SC B1 B1   B1 SC SC SC   FW FW SC SC   SC SC SC
PoP 12hr            0    10      10     5       0     0      10     5

$$
MTZ305-182200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
208 AM MDT Fri Oct 18 2024

Date             Fri 10/18/24            Sat 10/19/24            Sun 10/20/24
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                      58          38          72          46          77
Temp          34 31 33 49 56 53 42 42 43 44 47 63 71 67 57 54 51 47 51 69 76 71
Dewpt         24 22 24 27 25 25 24 24 23 24 29 37 40 42 42 42 40 38 41 44 42 42
RH            66 69 69 42 30 33 48 48 45 45 49 38 32 40 57 64 66 71 68 40 30 35
Wind dir      SW SW SW SW SW  S  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd       3  5  8 11 12 10 14 19 21 20 21 25 26 20 20 18 16 13 13 17 14 10
Wind gust                          31 33 37 36 37 41 33 31
Clouds        SC B2 CL CL CL FW SC FW SC SC FW FW FW SC SC FW SC SC SC FW FW SC
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 10/21/24  Tue 10/22/24  Wed 10/23/24  Thu 10/24/24
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    68      31    55      29    63      32    64
Temp          56   48 62 61 45   36 47 52 36   30 54 57 41   33 55 58
Dewpt         41   37 43 42 38   33 35 32 29   25 31 29 27   24 33 33
PWind dir          SW     W      NW    NW      SW    SW      SW    SW
Wind char          GN    GN      GN    LT      LT    GN      LT    LT
Avg clouds    SC   B1 B1 B2 B2   B1 B1 SC FW   FW FW FW SC   SC SC FW
PoP 12hr            0    20      30     5       0     0       5     0
Rain                      S  C

$$
MTZ314-182200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
208 AM MDT Fri Oct 18 2024

Date             Fri 10/18/24            Sat 10/19/24            Sun 10/20/24
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                      53          33          68          43          72
Temp          35 32 35 46 51 48 39 37 37 39 47 62 67 62 52 50 46 44 50 68 71 65
Dewpt         25 23 26 26 26 26 26 24 21 21 29 36 38 39 36 35 34 33 36 40 39 40
RH            66 69 69 45 37 42 59 59 52 48 49 38 34 43 54 56 63 65 58 36 31 40
Wind dir      SW SW SW  W  S  S  S  S  S SW SW SW  W SW SW SW SW SW SW SW SW  S
Wind spd       3  3  3  3  5  5 12 14 14 12 12 12 12  9 11 10  9  6  6  5  8  5
Wind gust                                         23
Clouds        B1 B1 B2 FW FW FW FW FW FW SC FW CL FW FW FW FW FW FW FW FW FW SC
PoP 12hr                      5           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 10/21/24  Tue 10/22/24  Wed 10/23/24  Thu 10/24/24
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    70      34    55      31    64      37    67
Temp          52   46 66 62 47   39 50 50 38   33 58 57 43   39 61 59
Dewpt         35   33 40 42 39   34 34 32 28   24 28 29 26   24 30 34
PWind dir           S    SW       W     W      SW    SW      SW    SW
Wind char          LT    LT      GN    LT      LT    GN      LT    LT
Avg clouds    SC   SC B1 B1 B2   B1 B1 B1 SC   FW FW FW SC   SC SC FW
PoP 12hr            0    20      60    30      10     0      10     5
Rain                      S  L    C  C  C

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