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Point Forecast Matrices
National Weather Service Great Falls MT
220 PM MDT Wed Oct 18 2017

MTZ012-191100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
220 PM MDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      52          73          48          58          36
Temp          64 62 58 58 56 53 53 69 72 65 57 54 52 51 48 55 56 50 45 41 40 37
Dewpt         29 32 38 37 31 29 28 25 23 26 27 30 27 30 32 37 27 28 30 28 27 25
RH            27 32 47 45 38 39 38 19 16 23 31 40 38 44 54 51 32 42 55 59 59 61
Wind dir      SW SW SW SW SW  S  S SW SW  S  S  S  S SW SW  W  W  W SW SW SW SW
Wind spd      28 21 17 19 19 18 17 18 18 11 12 14 12 12 11 18 23 20 23 20 19 17
Wind gust     47 32                                        28 34 33
Clouds        B1 B1 B2 B1 SC FW FW FW FW FW FW SC SC B2 B2 B2 B2 B2 B1 SC SC SC
PoP 12hr                      0           0           0          40          10
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C


Date           10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          54      47    63      45    59      39    61      42    63
Temp          48 52 49   54 62 56 49   45 57 54 40   41 58 60 49   43 62 55
Dewpt         20 24 34   39 35 30 38   33 30 29 28   31 33 32 31   31 36 25
PWind dir        SW      SW    SW       W     W       W    SW      SW    SW
Wind char        BZ      BZ    WY      WY    BZ      GN    GN      GN    BZ
Avg clouds    SC SC B1   B2 B1 B2 B1   B1 B1 B1 SC   SC SC FW FW   FW FW FW
PoP 12hr          5      20    20      30    10       5     5       0     0
Rain shwrs                S     S  C    S

$$
MTZ010-191100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
220 PM MDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      45          65          42          55          33
Temp          58 55 50 48 46 45 47 62 64 58 50 46 44 42 44 52 54 48 42 39 37 34
Dewpt         26 35 39 38 35 34 35 29 25 26 31 32 35 36 36 32 29 28 28 29 28 26
RH            29 47 66 68 65 65 63 28 22 29 48 58 70 79 73 46 38 46 57 67 70 72
Wind dir      SW SW SW SW SW SW SW SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd      24 21 18 18 16 18 16 18 21 11  9  9  8 11 14 24 27 28 28 23 21 24
Wind gust     34 32                   32                      39 40 42       34
Clouds        B1 B2 B1 B1 SC SC SC SC SC SC B1 B2 B1 B2 B1 B2 B1 B1 SC SC SC SC
PoP 12hr                      0           0           0          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          51      40    59      39    54      35    58      37    59
Temp          48 49 41   47 58 52 44   39 52 50 37   37 56 56 44   38 57 53
Dewpt         25 27 31   39 36 32 34   32 30 27 29   31 35 31 31   30 35 25
PWind dir         W      SW     W       W     W       W     W      SW     W
Wind char        WY      BZ    VW      WY    WY      GN    GN      BZ    BZ
Avg clouds    SC SC B1   B2 B1 B1 B1   B1 SC B1 B1   SC SC SC FW   FW SC SC
PoP 12hr          5      30    30      20    10       5     5       0     0
Rain shwrs                C  C  C  S

$$
MTZ014-191100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
220 PM MDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      42          70          43          55          35
Temp          66 65 58 52 47 43 44 60 70 65 58 52 47 44 43 48 53 48 45 40 39 36
Dewpt         30 36 36 33 32 32 33 31 24 24 20 28 29 32 34 35 32 28 33 30 31 28
RH            26 34 44 48 56 65 65 33 18 21 23 39 49 62 70 60 44 46 62 67 73 72
Wind dir       W  W  S  S  S  S SE SE  S  S  S  S  S  S  W  W  W  W  W  W  W SW
Wind spd      16 11  8  8  6  5  5  9 12  8  8  5  5  4  5 11 13 11 10  8  9  8
Wind gust                                                     26
Clouds        B1 B1 B1 SC FW FW CL FW FW FW FW SC SC B2 B2 OV B2 B2 B1 B1 SC SC
PoP 12hr                      0           0           0          40          20
QPF 12hr                      0           0           0        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  S  S


Date           10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          55      44    65      44    61      38    62      37    63
Temp          49 54 46   47 63 63 51   44 56 60 44   39 58 61 44   38 60 60
Dewpt         26 29 34   38 41 38 39   36 35 36 36   33 37 34 33   32 34 34
PWind dir        SW      SW    SW      SW     W       W    SW      SW    SW
Wind char        GN      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    SC B1 B2   B2 B1 B1 B2   B1 B1 B1 B1   SC SC FW SC   FW FW FW
PoP 12hr         10      20    30      20    10       5     5       0     0
Rain shwrs                S  S  C  S

$$
MTZ055-191100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
220 PM MDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      40          71          43          58          30
Temp          68 65 51 46 42 40 43 63 71 63 52 48 45 45 43 55 52 45 40 35 32 30
Dewpt         26 32 34 32 31 32 33 30 22 24 32 32 33 35 35 35 32 33 34 29 28 26
RH            20 29 52 58 65 73 67 29 16 22 46 54 62 68 73 47 46 62 79 78 85 85
Wind dir       W SW  S SE SE SE  S SW SW  S  S  S  S  S  S  W  W  W SW SW SW SW
Wind spd      17 12 10  9  8  6  4  5 12 10  8  5  6  6  6  9 11 10  9  9  8  8
Clouds        B1 B1 B1 FW FW CL CL CL CL CL FW SC FW SC B1 OV OV OV B2 B1 B2 SC
PoP 12hr                      0           0           0          70          40
QPF 12hr                      0           0           0        0.17        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  L  L  C  C  S
Snowshwrs                                                               S  S


Date           10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          51      39    64      41    61      35    60      33    62
Temp          47 49 41   42 61 63 49   41 57 58 39   36 55 59 40   34 58 60
Dewpt         26 26 32   35 39 39 40   35 37 35 32   31 34 37 32   29 32 36
PWind dir        SW      SW    SW      SW     W      SW    SW       S    SW
Wind char        GN      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    SC SC B1   B2 B2 B2 B2   B1 B2 B1 B1   SC FW FW FW   FW FW SC
PoP 12hr         10      30    20      20    20       5     5       0     0
Rain shwrs                S  S  S  S       S

$$
MTZ055-191100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
220 PM MDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      28          57          33          48          22
Temp          53 52 40 36 32 28 32 51 57 52 42 38 36 33 35 45 44 39 33 29 25 22
Dewpt         24 26 27 25 25 24 21 20 19 24 24 25 29 30 31 34 37 29 29 26 24 21
RH            32 36 59 64 75 85 63 29 22 33 48 59 75 89 85 65 76 67 85 88 96 96
Wind dir      SW SW  S  S SE  E  E SW SW  S  S  S  S  S  S SW SW SW SW SW SW SW
Wind spd      18 12  5  5  5  4  3  9 16 10  6  6  5  8  9 17 12 12  5  6  5  5
Wind gust                                                  27
Clouds        SC SC FW FW FW FW CL CL CL FW CL FW FW B1 B2 OV OV OV B2 B1 B2 B1
PoP 12hr                      0           0           0          70          50
QPF 12hr                      0           0           0        0.20        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                               C  L  L
Snowshwrs                                             C        L  C  C  C  C  S
Tstms                                                       S


Date           10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          38      28    47      31    48      26    49      25    52
Temp          35 36 31   29 43 47 37   31 45 47 32   27 45 47 31   26 48 50
Dewpt         22 25 27   27 33 35 33   29 31 33 29   26 30 32 29   24 30 34
PWind dir        SW      SW    SW      SW    SW      SW    SW       S     S
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1 B1   OV B2 B2 B2   B2 B2 B1 B1   SC SC FW FW   FW FW FW
PoP 12hr         20      40    40      20    20      10     5       0     0
Rain shwrs                   S  S  S    S  S
Snowshwrs      S     S    C  S

$$
MTZ008-191100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
220 PM MDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      38          67          42          51          28
Temp          65 61 49 45 42 39 41 60 67 60 50 46 44 42 43 48 48 43 36 33 31 30
Dewpt         29 29 29 29 27 27 27 24 23 23 26 27 28 29 32 35 28 25 26 25 24 22
RH            26 29 46 53 55 62 57 25 19 24 39 47 53 60 65 60 46 49 67 72 75 72
Wind dir      SW SW  S  S  S  S  S  S  S  S  S  S  S  S  S  W  W  W  W SW SW SW
Wind spd      18 14 13 12 11 10  9 12 19 17 14  9  9  9 10 12 12 13 10  9  9  8
Wind gust                                29                23 23
Clouds        B1 B1 SC FW FW CL CL CL CL FW FW SC FW B2 B1 OV OV B2 B1 SC SC SC
PoP 12hr                      0           0           0          60          30
QPF 12hr                      0           0           0        0.09           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  L  L  C
Snowshwrs                                                         C  C


Date           10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          47      36    58      39    58      33    58      34    60
Temp          42 46 38   39 56 56 44   40 56 54 37   34 54 56 38   36 56 58
Dewpt         19 26 28   30 36 34 34   32 33 33 29   27 33 33 29   28 33 33
PWind dir        SW       S    SW      SW     W       W    SW       S     S
Wind char        GN      GN    GN      GN    GN      GN    LT      GN    LT
Avg clouds    SC B1 B2   B2 B1 B1 B1   B1 B1 B1 SC   SC FW FW FW   FW FW FW
PoP 12hr         10      30    30      20    10       5     5       0     0
Rain shwrs                S  S

$$
MTZ011-191100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
220 PM MDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      49          73          43          62          35
Temp          60 59 52 53 51 50 51 68 72 66 55 52 47 45 44 59 59 55 46 43 39 36
Dewpt         21 33 40 44 42 41 38 34 27 29 34 36 35 37 33 36 32 30 28 31 29 29
RH            22 37 63 71 71 71 61 28 19 25 45 54 63 73 65 42 36 38 49 62 67 75
Wind dir      SW SW SW SW SW SW SW SW SW  S  S SW SW  S SW  W  W  W  W  W  W  W
Wind spd      17 11 11 13 12 12 12 19 14  6  6  5  4  4  8 16 21 19 18 16 17 14
Wind gust                                                     33    29    27
Clouds        SC B1 B2 B1 B1 SC FW FW FW FW FW SC SC B2 B1 B2 B2 B2 B1 B1 B1 SC
PoP 12hr                      0           0           0          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S


Date           10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          56      39    66      41    58      32    59      36    62
Temp          51 54 40   45 64 62 49   41 55 55 35   34 55 58 47   36 58 59
Dewpt         28 26 28   38 39 36 38   33 29 26 25   29 36 34 35   30 34 33
PWind dir         W      SW    SW       W     W       W     W      SW     W
Wind char        BZ      GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC FW SC   B2 B2 B1 B1   B1 SC SC SC   SC SC FW FW   FW FW FW
PoP 12hr         10      10    20      20     5       5     5       0     0
Rain shwrs                      S  S    S

$$
MTZ051-191100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
220 PM MDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      47          74          45          59          33
Temp          63 59 50 49 47 47 52 70 73 65 55 51 48 47 46 58 52 44 40 37 36 34
Dewpt         24 31 35 35 31 29 29 25 22 27 31 28 27 26 28 28 34 31 29 27 27 24
RH            22 34 56 58 53 49 41 18 15 24 40 41 44 43 49 32 50 60 64 67 69 66
Wind dir       W  W SW  S  S  S  S SW SW  S  S SW  S  S  S SW  W  W  W  W  W  W
Wind spd      16 12 10 11 11 12 10 13 14 10 11 12  9  9  9 13 18 16 13 16 13 13
Wind gust                                                  24 29
Clouds        B1 B1 B1 B1 FW FW FW FW CL FW FW SC FW B1 B1 B2 OV B2 B1 SC SC SC
PoP 12hr                      0           0           0          40          20
QPF 12hr                      0           0           0        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  S  S


Date           10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          51      41    62      40    55      35    60      38    64
Temp          47 46 41   48 60 59 48   40 52 51 38   37 58 57 44   40 63 55
Dewpt         19 23 29   34 34 38 39   30 30 31 29   28 32 34 32   24 31 29
PWind dir         W       W     W       W     W       W     W      SW     W
Wind char        BZ      GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC FW SC   B1 B2 B1 B1   B1 SC B1 SC   SC FW FW FW   FW FW FW
PoP 12hr          5      10    10      30    20       5     5       0     0
Rain shwrs                         S    C  S

$$
weather.gov/greatfalls




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