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Point Forecast Matrices
National Weather Service Great Falls MT
1055 AM MST Thu Dec 14 2017

MTZ012-142300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
1055 AM MST Thu Dec 14 2017

Date                Thu 12/14/17            Fri 12/15/17            Sat 12/16/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      43          33          48          27          33
Temp                   35 43 36 33 34 36 37 41 47 47 44 37 32 31 28 27 29 33 29
Dewpt                  23 23 21 19 20 20 19 19 19 19 23 29 28 28 25 25 24 21 20
RH                     61 45 54 56 56 52 48 41 32 32 43 72 85 88 88 92 81 61 69
Wind dir               SW SW SW SW SW SW SW SW SW SW  W NW NW NW  N  N NW NW  W
Wind spd               12 16 17 17 18 21 24 25 24 21 16 11 11 10 10  8  9 10 10
Wind gust                                      35 33
Clouds                 SC FW FW SC SC SC FW B1 B2 B2 OV OV OV OV OV OV OV B2 B1
PoP 12hr                      0           0          20          60          40
QPF 12hr                      0           0           0        0.16        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                            S  S  L  L
Snow                                                  L  L  L  L  C  C  C  C


Date               Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            21    38      31    40      27    41      29    35
Temp          21   24 31 34 34   31 40 35 31   27 37 41 40   29 34 23
Dewpt         12   12 15 17 20   18 32 23 22   22 25 28 28   14 20  6
PWind dir          SW    SW      SW     W       W    SW       S     W
Wind char          GN    BZ      BZ    BZ      GN    GN      BZ    BZ
Avg clouds    SC   FW SC B1 B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr           10    10      20    30      30    20      20    30
Rain shwrs                   S    S  C                S  C    C  C  C
Snowshwrs                    S    S  C  S  S    S  S  S       C  C  C

$$
MTZ010-142300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
1055 AM MST Thu Dec 14 2017

Date                Thu 12/14/17            Fri 12/15/17            Sat 12/16/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      45          31          44          24          33
Temp                   37 45 32 32 35 36 37 39 43 43 36 31 29 28 25 24 30 33 25
Dewpt                  23 23 19 20 22 21 20 21 21 21 29 28 26 24 22 22 24 20 20
RH                     56 41 58 61 59 54 50 48 41 41 75 88 88 85 88 92 78 58 81
Wind dir               SW  W  W  W  W  W  W  W  W  W NW NW NW NW NW NW  W  W SW
Wind spd               11 13 14 18 21 26 31 25 23 18 16 13 11 11 10 10 11 11 11
Wind gust                          33 37 42 36
Clouds                 B1 FW SC SC FW SC SC B2 B2 B2 OV OV OV OV OV B2 B2 B1 SC
PoP 12hr                      0           0          40          60          30
QPF 12hr                      0           0        0.01        0.10           0
Snow 12hr                 00-00       00-00       00-00
Rain                                            C  C
Snow                                            C  C  D  D  C  C  C  C  C  C


Date               Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            20    38      25    36      23    35      22    32
Temp          20   24 35 31 34   25 36 29 27   23 34 30 26   23 31 18
Dewpt         12   15 21 19 25   20 27 18 18   19 26 26 19   13 22 15
PWind dir          SW     W       W     W       W    SW       S     W
Wind char          GN    BZ      BZ    BZ      BZ    BZ      GN    BZ
Avg clouds    FW   FW B1 B1 B1   B1 B2 B1 B1   B2 B2 B2 OV   B2 B2 B2
PoP 12hr            5    10      20    30      20    30      30    20
Rain shwrs                   S    S                      C    C  S
Snowshwrs                    S    S  C  S  S    S  S  S  C    C  S  S

$$
MTZ014-142300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
1055 AM MST Thu Dec 14 2017

Date                Thu 12/14/17            Fri 12/15/17            Sat 12/16/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      29          19          37          24          30
Temp                   22 29 25 22 20 19 19 20 29 37 35 32 30 29 26 24 29 29 27
Dewpt                  18 18 17 18 15 15 15 16 20 21 23 24 25 24 23 21 22 17 17
RH                     84 63 71 84 81 84 84 84 69 52 61 72 81 81 88 88 75 60 65
Wind dir                W  S SW SW SW SW SW SW SW  S SW  W  W  W  W  W NW NW  W
Wind spd                3  5  4  4  4  2  4  4  4  5  3  4  4  4  4  4  6  8  4
Clouds                 SC SC B1 B1 SC FW SC B1 B1 SC B2 B2 OV OV OV OV B2 B2 B1
PoP 12hr                      0           0          10          50          40
QPF 12hr                      0           0           0        0.05        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C
Snow                                                  C  C  C  C  C  C  C  C
Obvis                   F
Freezing Fog            Y


Date               Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            17    30      24    39      26    39      26    31
Temp          18   18 25 27 24   26 37 37 30   26 34 39 32   26 31 24
Dewpt         13   14 15 15 17   20 26 22 24   21 23 24 26   20 20 11
PWind dir          SW    SW      SW    SW       W    SW      SW    SW
Wind char          LT    LT      LT    GN      GN    LT      LT    LT
Avg clouds    SC   FW SC B1 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr           10    10      20    20      20    20      20    30
Rain shwrs                        S  S  S  S       C  S  C    C  C  C
Snowshwrs                    S    S  S  S  S    S  C  S  C    C  C  C

$$
MTZ055-142300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
1055 AM MST Thu Dec 14 2017

Date                Thu 12/14/17            Fri 12/15/17            Sat 12/16/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      29          13          35          21          29
Temp                   22 29 25 17 17 15 13 15 27 35 32 27 27 26 25 21 26 29 25
Dewpt                  16 18 16 12 11  9  9 11 17 21 19 19 20 22 21 18 19 18 18
RH                     77 63 68 80 77 77 84 84 65 56 58 71 74 85 84 88 74 63 74
Wind dir                S SW SE  S  S  S  S  S  S SW SW  S  W  W  W  W NW NW NW
Wind spd                2  3  3  3  4  4  3  3  3  4  4  4  4  4  5  4  4  4  4
Clouds                 SC SC SC B1 SC FW FW SC B1 B1 B2 B2 OV OV OV OV OV B2 B2
PoP 12hr                      0           0           0          70          50
QPF 12hr                      0           0           0        0.15        0.03
Snow 12hr                 00-00       00-00       00-00
Snow                                                  C  C  L  L  C  C  C  C
Snowshwrs                                                                     S
Obvis                  PF
Freezing Fog            Y


Date               Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max             9    27      18    35      22    38      23    33
Temp          13    9 20 25 18   24 33 35 29   22 34 38 29   23 33 24
Dewpt          9    6  8 14 10   18 21 21 21   18 25 23 21   18 21 13
PWind dir          SW    SW      SW    SW      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC B1 B1   B2 B2 B2 B2   B2 OV B2 B2   B2 B2 B2
PoP 12hr           30    10      10    30      30    30      20    50
Rain shwrs                              C  C       C  C  C    C  C  C
Snowshwrs      S             S    C  C  C  C    C  C  C  C    C  C  C

$$
MTZ055-142300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
1055 AM MST Thu Dec 14 2017

Date                Thu 12/14/17            Fri 12/15/17            Sat 12/16/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      25           5          24          16          24
Temp                   12 25 21 13  8  5  6  8 16 24 22 19 19 17 17 16 19 24 20
Dewpt                   7 12 14  8  4  3  4  7 12 15 15 12 14 14 15 15 15 16 15
RH                     80 57 74 80 83 91 91 96 84 68 74 74 80 88 92 96 84 71 81
Wind dir               SW SW  S  S  S SW  S  S SW  S  S  S SW SW SW NW NW  N  N
Wind spd                2  3  4  3  2  4  3  4  5  5  5  4  4  5  3  4  5  5  4
Clouds                 SC FW FW SC B1 B1 SC SC B1 B1 B2 B2 OV OV OV OV OV OV B2
PoP 12hr                      0           0          10          60          50
QPF 12hr                      0           0           0        0.08        0.06
Snow 12hr                 00-00       00-00       00-00
Snow                                                  C  C  L  L  C  C  C  C
Snowshwrs                                                                     S
Obvis                  PF             PF PF PF
Wind chill                            -4 -1 -1
Min chill                                -4    -1
Freezing Fog            Y


Date               Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max             1    20       7    23      15    28      17    27
Temp           7    2 13 16  7   10 15 23 17   16 23 28 19   18 23 25
Dewpt          4    0  7 11  4    8 10 15 14   15 18 19 15   16 19 15
PWind dir          NW    SW       S    SW      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B1   SC SC SC B1   B1 B2 B2 OV   OV OV B2 B2   B2 B2 B2
PoP 12hr           20    20      20    20      30    30      30    40
Snowshwrs      S             S    S  C  C  C    C  C  S  C    C  C  C

$$
MTZ008-142300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
1055 AM MST Thu Dec 14 2017

Date                Thu 12/14/17            Fri 12/15/17            Sat 12/16/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      30          16          36          22          30
Temp                   24 30 24 21 18 18 18 17 28 36 30 28 28 27 26 22 27 29 22
Dewpt                  18 17 15 13  8  9 11 11 17 20 16 16 18 20 20 17 15 12 11
RH                     77 58 68 71 64 67 73 77 63 52 55 60 66 74 78 81 60 48 62
Wind dir                S  S  S  S  S  S  S  S  S  S  S  S  S SW SW  W  W NW NW
Wind spd                5  4  5  9  9  9 12 11 11 10 10  9  8  8  9  8  9  9  6
Clouds                 SC FW FW SC FW SC SC SC SC SC B1 B2 OV B2 B2 B2 B1 B2 B1
PoP 12hr                      0           0           0          40          30
QPF 12hr                      0           0           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                  S  S  C  C  S  S
Freezing Fog            Y


Date               Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            10    30      19    36      22    39      25    35
Temp          11   10 21 27 19   24 34 35 25   24 35 39 31   25 35 25
Dewpt          5    4  7 14  8   16 18 19 15   18 22 22 22   18 20  9
PWind dir           W    SW       S     S       S     S       S     S
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1   FW SC B1 B1   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr           10    10      10    20      20    20      20    40
Rain shwrs                                            S  S
Snowshwrs                         S                S  S  S    S  S  S

$$
MTZ011-142300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
1055 AM MST Thu Dec 14 2017

Date                Thu 12/14/17            Fri 12/15/17            Sat 12/16/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      41          27          47          25          36
Temp                   33 41 31 29 27 27 29 30 42 47 39 35 33 30 28 25 33 36 29
Dewpt                  25 27 23 22 20 19 19 20 23 27 31 32 31 26 25 22 25 22 21
RH                     72 57 72 75 74 71 66 66 46 45 73 89 92 85 88 88 72 56 72
Wind dir               SW SW SW SW SW SW SW SW SW  W NW NW  W  W  W  W  W  W  W
Wind spd               10 11  8  9 13 14 17 16 19 19 12 10  9 10  9  9 11 12  9
Clouds                 FW FW FW B2 SC B1 SC SC B1 B2 OV OV OV B2 B2 B2 B2 B1 SC
PoP 12hr                      0           0          30          50          10
QPF 12hr                      0           0           0        0.09           0
Snow 12hr                 00-00       00-00       00-00
Rain                                            C  C  L  L
Snow                                                  L  L  C  C  S  S


Date               Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            20    39      26    38      21    36      23    35
Temp          20   22 33 36 29   27 38 34 24   22 34 34 25   25 35 26
Dewpt         15   15 19 23 23   23 28 25 19   17 22 24 21   16 21 15
PWind dir          SW    SW      SW     W       W     S      SE    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC   FW SC B1 B1   B2 B2 B2 B1   B1 B1 B2 OV   OV B2 B2
PoP 12hr            5    10      20    30      10    20      30    30
Rain shwrs                   C    C  C                   C    C  C  C
Snowshwrs                    C    C  C  S          S  S  C    C  C  C

$$
MTZ051-142300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
1055 AM MST Thu Dec 14 2017

Date                Thu 12/14/17            Fri 12/15/17            Sat 12/16/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      42          28          50          25          30
Temp                   34 42 32 28 29 32 32 34 47 49 44 36 31 29 27 25 25 30 27
Dewpt                  25 24 22 11 16 18 18 15 19 23 22 29 29 27 26 23 20 19 19
RH                     69 48 66 48 58 56 56 45 32 36 41 75 92 92 96 92 81 63 71
Wind dir                W  W SW SW SW SW SW SW  W  W  W NW NW NW NW NW NW NW NW
Wind spd                8  6  8  8  8 11 12 13 14 17 12 10 10 10 10 10 10  8  8
Clouds                 FW FW SC SC SC SC FW SC SC B1 B2 B2 OV OV OV OV OV B2 B2
PoP 12hr                      0           0           5          50          40
QPF 12hr                      0           0           0        0.06        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C
Snow                                                  C  C  C  C  C  C  C  C


Date               Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            17    36      27    36      23    38      27    37
Temp          17   17 31 30 29   35 35 30 24   24 35 38 32   28 37 25
Dewpt         12    9 16 18 18   26 26 23 21   19 23 25 27   18 21 15
PWind dir          SW    SW      SW     W       W    SW      SW    SW
Wind char          LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    B1   FW FW SC B1   B1 B2 B2 B2   B1 B2 B2 OV   B2 B2 B2
PoP 12hr           20    10      10    20      20    20      20    40
Rain shwrs                   S    C  C                S  C    C  C  C
Snowshwrs                    S    C  C  C  S    S  S  S  C    C  C  C

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




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