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Point Forecast Matrices
National Weather Service Great Falls MT
225 PM MST Mon Jan 15 2018

MTZ012-161100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
225 PM MST Mon Jan 15 2018

Date          Mon 01/15/18      Tue 01/16/18            Wed 01/17/18         Thu
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       5          38          27          41          34
Temp             10  8  5  9 12 17 29 38 32 32 30 29 28 28 36 41 37 34 35 38 41
Dewpt             5  3 -1  0  2  6 18 25 22 24 23 22 22 22 27 29 26 27 28 31 29
RH               80 79 76 66 63 61 63 59 66 72 75 75 78 78 69 62 64 75 75 76 62
Wind dir          E SE  S  S  S  S  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd          8  9  8  9 12 14 14 14 17 21 21 20 17 18 19 18 16 17 18 20 21
Clouds           CL CL CL CL CL CL CL CL FW FW CL SC SC SC B1 SC B1 B1 B1 B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                                       BS BS BS
Wind chill       -2 -5 -8 -4 -3
Min chill        -2    -8    -7    -1


Date           01/18/18  Fri 01/19/18  Sat 01/20/18  Sun 01/21/18  Mon 01/22/18
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          45      27    35      19    33      16    30      15    29
Temp          45 39 31   27 35 31 21   19 26 28 18   16 22 23 17   15 22 18
Dewpt         32 29 26   20 24 20 15   13 19 21 13   11 16 17 12   10 16 12
PWind dir        SW      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 B1 B1   B1 B1 B1 B2   B1 SC SC B1   B1 B1 B1
PoP 12hr         30      40     5      10    10      20    10      10    10
Rain              C  C
Snow                 C                           S

$$
MTZ010-161100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
225 PM MST Mon Jan 15 2018

Date          Mon 01/15/18      Tue 01/16/18            Wed 01/17/18         Thu
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       2          36          25          38          31
Temp              3  3  3  4  5  8 20 36 30 35 35 30 30 25 32 38 33 31 35 38 42
Dewpt             0 -1 -1 -1  0  2 12 27 25 32 29 24 25 21 24 28 28 28 26 30 34
RH               87 83 83 79 79 76 71 69 81 89 78 78 81 84 72 67 82 88 69 73 73
Wind dir         SE SE SE SE  S  S  S SW SW  W  W  W  W  W  W  W SW SW SW SW SW
Wind spd         14  9 11  9  9  8  8  8 17 17 21 20 23 25 18 19 14 10 13 11 17
Wind gust                                      32       36
Clouds           FW FW SC FW FW FW CL CL FW SC FW FW SC SC B1 SC B1 B1 B1 SC B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis            PF                               BS BS BS
Wind chill      -16-12-13-10 -9 -4
Min chill       -16   -15   -12    -9


Date           01/18/18  Fri 01/19/18  Sat 01/20/18  Sun 01/21/18  Mon 01/22/18
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          42      26    33      18    32      14    27      10    23
Temp          42 32 26   32 31 24 18   20 25 23 14   17 19 21 13   10 13 17
Dewpt         34 28 17   23 22 16 14   17 21 20 11   14 14 17 10    7  8 14
PWind dir        SW      SW     W       W     W       W    SW      SW     W
Wind char        BZ      BZ    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1   SC SC B1 SC   B1 B1 B1 B1   B1 SC SC B1   B2 B2 B1
PoP 12hr         10       5     5      10    10      10     5      10    10

$$
MTZ014-161100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
225 PM MST Mon Jan 15 2018

Date          Mon 01/15/18      Tue 01/16/18            Wed 01/17/18         Thu
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       6          29          16          33          22
Temp             23 14 10  8  8  6 18 29 26 25 23 20 18 16 25 33 31 27 26 22 23
Dewpt            16  9  6  5  5  3 10 19 18 19 18 17 15 13 18 23 21 21 21 19 18
RH               74 80 83 87 87 87 70 66 71 78 81 88 88 88 74 66 66 78 81 88 81
Wind dir         SE  S  S  S  S  S SW SE  S  S  S SW  S  S  S  S  S  S  S  S  S
Wind spd          2  3  2  2  2  3  2  3  3  3  3  3  3  3  3  3  4  4  4  4  5
Clouds           FW FW FW FW FW CL CL CL SC B1 FW SC SC B1 B1 B1 B2 B1 B1 B1 B1
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                      -1
Min chill                          -1


Date           01/18/18  Fri 01/19/18  Sat 01/20/18  Sun 01/21/18  Mon 01/22/18
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          37      20    30      13    30      10    27      12    27
Temp          34 35 26   20 29 27 17   15 25 28 17   13 20 24 18   15 23 24
Dewpt         25 26 22   17 20 16 12   12 18 20 14   10 13 17 13   12 15 17
PWind dir         S       W     W      SW    SW      SW     S       S    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B2 OV   B2 B2 B1 B1   B1 B1 B1 B2   B1 SC SC B2   B1 B2 B1
PoP 12hr         40      50    10      10    10      20    10      10    20
Rain              C  C
Snow                 C    C                      S                     S

$$
MTZ055-161100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
225 PM MST Mon Jan 15 2018

Date          Mon 01/15/18      Tue 01/16/18            Wed 01/17/18         Thu
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      -4          31          13          34          22
Temp             20  7  2  0 -3 -2 17 31 25 21 21 18 15 14 27 34 30 24 24 22 24
Dewpt            16  4 -1 -4 -6 -6 10 21 17 15 15 14 11  9 19 24 22 20 17 18 20
RH               84 87 87 83 86 82 73 66 71 77 77 84 84 80 71 66 72 84 74 84 84
Wind dir          E SE SE SE  S  S  S SW  S  S  S  S  S  S SW SW  S  S  S  S  S
Wind spd          2  3  3  3  3  4  3  2  2  3  3  4  3  4  4  3  4  4  4  4  5
Clouds           FW FW FW FW FW CL CL CL FW SC SC SC FW SC SC SC B1 B1 B1 B1 B2
PoP 12hr                      0           0           5           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             -6 -8-11-12
Min chill              -6   -11   -15


Date           01/18/18  Fri 01/19/18  Sat 01/20/18  Sun 01/21/18  Mon 01/22/18
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          40      23    31       9    26       8    27      11    29
Temp          35 39 31   23 31 26 16   10 19 21 15   10 18 23 14   12 23 24
Dewpt         26 29 27   19 24 17  9    4 10 12  9    5 11 15  8    7 15 17
PWind dir         S      SW     W      SW    SW      SW     S       S    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 B2   OV B2 B1 B1   SC B1 B1 B2   B2 B1 B1 B2   B1 B2 B2
PoP 12hr         10      60    40      10    10      20    10      20    20
Rain                 C
Snow                 C    L  C                   S    S             S  S  S

$$
MTZ055-161100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
225 PM MST Mon Jan 15 2018

Date          Mon 01/15/18      Tue 01/16/18            Wed 01/17/18         Thu
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      -7          29           9          29          21
Temp             25  9  4 -1 -5 -5 17 29 25 18 16 13  9 13 22 29 25 21 21 21 23
Dewpt            19  7  3 -2 -6 -7 13 17 16 13 12 10  5 11 19 22 20 18 19 20 21
RH               78 91 95 95 95 91 84 60 68 80 84 87 83 91 88 75 81 88 92 96 92
Wind dir          E  E SE SE SE SE  S  S  S SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          3  1  2  2  3  2  2  4  4  2  3  4  3  2  5  9  6  6  5  6  8
Clouds           FW FW FW FW FW FW CL CL SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2
PoP 12hr                      0           5          10          10          20
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Snow                                                              S  S  S  S  C
Obvis               PF  F  F  F PF
Wind chill                  -14
Min chill              -1   -14   -16


Date           01/18/18  Fri 01/19/18  Sat 01/20/18  Sun 01/21/18  Mon 01/22/18
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          33      24    28       4    23       3    23       9    25
Temp          30 33 33   28 25 24 11    5 16 16  5    3 16 19 13    9 18 18
Dewpt         28 28 31   26 22 18  9    2 12 11  2    0 13 15 11    7 16 14
PWind dir         S      SW    SW       W     W      SW    SW      SW    SW
Wind char        GN      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2 OV   OV OV B2 B1   B1 B1 B1 B1   B1 B2 B2 B2   B2 OV OV
PoP 12hr         40      70    50      30    10      10    20      30    30
Snow           C  C  L    L  C  C  C                     S  S  C    C  C  C

$$
MTZ008-161100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
225 PM MST Mon Jan 15 2018

Date          Mon 01/15/18      Tue 01/16/18            Wed 01/17/18         Thu
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      15          37          21          38          27
Temp             28 24 18 18 15 17 26 36 35 29 27 24 23 21 30 38 34 28 28 29 32
Dewpt            20 18 11 10  8  9 14 21 23 23 20 19 17 16 21 24 23 22 20 23 21
RH               71 77 73 70 73 70 60 54 61 78 74 81 77 81 69 57 64 78 71 78 63
Wind dir          E  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd          5  5  6  6  8  6  8  5  8  8  8  9  9  8  9 11 10 10 11 12 11
Clouds           SC FW FW CL CL CL CL FW B1 B1 FW FW FW SC B1 B1 B2 B1 B2 B1 B2
PoP 12hr                      0           5           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/18/18  Fri 01/19/18  Sat 01/20/18  Sun 01/21/18  Mon 01/22/18
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          43      26    33      13    29      11    29      16    32
Temp          40 42 32   26 33 26 18   13 20 21 15   11 20 20 17   16 24 23
Dewpt         29 29 26   19 22 12  9    5  9 11  7    3 10 10  9    9 14 13
PWind dir         S       S    SW      SW    SW      SW     S       S     S
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2 OV   OV B2 B1 B1   B1 B1 B1 B1   B1 SC B1 B2   B1 B2 B1
PoP 12hr         30      60    30      10    10      10    10      20    20
Rain              C  L
Snow              C  L    C  C                                      S  S

$$
MTZ011-161100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
225 PM MST Mon Jan 15 2018

Date          Mon 01/15/18      Tue 01/16/18            Wed 01/17/18         Thu
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                     -13          15          10          35          21
Temp            -11-13-13-13-13-12  2 15  7 13 18 22 25 26 31 35 27 23 21 25 32
Dewpt           -16-19-16-17-17-17 -5  7  1  7 15 18 21 21 26 28 23 19 18 23 28
RH               78 73 86 82 82 78 72 70 76 76 88 84 84 81 81 75 85 84 88 92 85
Wind dir          E NE  E  E SE  N SE SE  S SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd          9  8  9  6  8  4  5  6  5  9 12 14 17 20 18 16 10 10 10 10 10
Clouds           CL CL CL CL FW FW CL CL CL CL CL FW FW FW FW SC SC SC SC SC B2
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                     PF PF                         BS
Wind chill      -29-30-31-29-30-24 -9    -3
Min chill       -29   -31   -30   -27    -3    -3


Date           01/18/18  Fri 01/19/18  Sat 01/20/18  Sun 01/21/18  Mon 01/22/18
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          39      23    32      14    30      11    26       9    22
Temp          38 37 24   30 30 30 16   14 21 23 11   11 17 21 10   10 15 15
Dewpt         31 30 21   25 22 24 13   10 16 17  8    7 12 16  7    6 10 12
PWind dir        SW      SW     W       W     W      SW    SW       S    SW
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B2 B1 SC SC   SC B1 B1 B1   B1 B1 B1 SC   B2 B2 B1
PoP 12hr         10      10    10      10    10      20    10      10    10
Snow                                                  S

$$
MTZ051-161100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
225 PM MST Mon Jan 15 2018

Date          Mon 01/15/18      Tue 01/16/18            Wed 01/17/18         Thu
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       4          36          23          41          28
Temp              6  4  5  7 10 15 29 36 29 27 27 27 25 23 36 41 33 28 29 32 36
Dewpt            -1 -6 -9 -4 -1  1 14 24 18 20 21 21 20 18 25 31 23 23 24 27 31
RH               72 62 51 60 60 53 53 61 63 74 78 78 81 81 64 67 66 81 81 81 82
Wind dir         SE SE SE  S  S SE  S  S SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd          9  6  8 10  9  9  8  8  9  9 10 12 10 11 13 13 10 10 11 13 13
Clouds           FW CL CL CL CL CL CL CL CL CL FW FW FW FW SC FW SC SC B1 SC B2
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill       -8 -8 -8 -8 -3
Min chill        -8    -9    -8    -2


Date           01/18/18  Fri 01/19/18  Sat 01/20/18  Sun 01/21/18  Mon 01/22/18
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          43      25    32      16    31      14    29      14    28
Temp          42 38 28   25 32 28 18   16 27 25 16   14 24 22 16   14 26 22
Dewpt         31 31 25   21 23 20 14   13 19 19 13   10 17 17 13   10 17 18
PWind dir        SW       W     W       W     W       W    SW      SW     W
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B2   B2 B2 B1 SC   B1 SC B1 B1   B1 SC SC B1   B1 B2 B1
PoP 12hr         10      40    20      10    10      20    10      10    20
Rain                 C
Snow                 C    C  S                        S                S

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




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