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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
809 PM MST WED JAN 18 2017

MTZ012-191100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
809 PM MST WED JAN 18 2017

DATE          WED 01/18/17      THU 01/19/17            FRI 01/20/17         SAT
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                      34          41          29          37          20
TEMP                   37 36 35 35 39 40 38 34 33 33 31 29 33 36 35 26 26 24 20
DEWPT                  26 24 24 25 29 32 30 27 27 27 25 24 24 25 27 22 21 20 16
RH                     64 61 64 66 67 73 73 75 78 78 78 81 69 64 72 85 81 84 84
WIND DIR                S  S  S  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD               18 16 16 17 16 13 14 12 12 11 11  8  8  6  4  4  6  6  6
CLOUDS                 B2 OV B2 OV B2 OV OV OV B2 B2 OV B2 B1 B2 B1 B1 SC SC B1
POP 12HR                      0          10          10          10          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
SNOWSHWRS                                                         S  S  S  S


DATE           01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17
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          32      20    31      20    30      17    27      15    30
TEMP          29 31 25   20 29 30 26   20 30 25 20   17 24 26 16   16 25 30
DEWPT         19 21 18   12 16 17 18   14 19 16 14   13 13 17  9    9 13 19
PWIND DIR        SW      SW    SW       S    SW       W     W       W    SW
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B2   B2 SC SC B1   B1 B2 B2 B2   B2 B2 B2 SC   SC B1 B1
POP 12HR         10      20    10      20    20      30    20      10    10
SNOWSHWRS            S    S        S    S  S  S  C    C  S  S

$$
MTZ010-191100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
809 PM MST WED JAN 18 2017

DATE          WED 01/18/17      THU 01/19/17            FRI 01/20/17         SAT
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                      35          41          25          36          17
TEMP                   35 35 35 36 41 41 36 32 30 29 28 25 31 35 32 20 21 20 17
DEWPT                  26 27 26 28 33 33 25 23 21 24 19 18 21 24 23 16 16 17 12
RH                     69 72 69 72 73 73 64 69 69 81 68 74 66 64 69 84 81 88 80
WIND DIR               SW SW SW SW SW SW SW  W  W  W  W  W  W  W  W  W NW NW NW
WIND SPD               11 10  6  8 11 12 12 11 11 10 10  9  8  9  8  8  9  9  9
CLOUDS                 OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC B1
POP 12HR                      0           5           5           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
SNOWSHWRS                                                                     S


DATE           01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17
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          32      16    28      15    29      13    27      15    30
TEMP          27 31 24   16 26 27 22   15 29 25 19   13 24 26 18   16 27 30
DEWPT         19 20 17   12 15 18 16   11 19 17 14    9 18 16  9   10 19 17
PWIND DIR        NW      NW    SW       E     W      NW     W       W     W
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B1   B1 SC SC B1   B1 B2 B2 B2   B2 B1 B1 SC   SC B1 B1
POP 12HR         20      20    10      20    20      20    20      10    10
SNOWSHWRS      S     S    S        S    S  S  S  S    S  S  S

$$
MTZ014-191100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
809 PM MST WED JAN 18 2017

DATE          WED 01/18/17      THU 01/19/17            FRI 01/20/17         SAT
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                      19          30          15          27           8
TEMP                   25 21 21 19 27 30 27 25 21 15 15 16 22 27 24 17 13 10  9
DEWPT                  22 20 19 18 22 27 18 19 12 11  8 13 15 20 18 13  6  7  7
RH                     88 96 92 96 81 88 68 78 68 84 73 88 74 74 77 84 73 87 91
WIND DIR                S  S SE  S SW  S  S SW SW SW SW SW SW  S  S  S  S  S  S
WIND SPD                5  4  3  4  4  4  4  4  4  4  3  3  3  3  3  3  3  3  3
CLOUDS                 OV B2 B2 OV OV OV OV OV B2 OV B2 B2 B2 B2 B1 B1 SC SC SC
POP 12HR                     10          20          30          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
SNOW                                      S  S  C  C  S  S  S  S
SNOWSHWRS                                                         S  S        S


DATE           01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17
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          25       8    24      10    25       6    21       5    22
TEMP          18 21 15    8 18 24 17   10 21 24 11    6 17 21  9    5 15 22
DEWPT          9 16  6   -1  9 15  7    7 11 19  4    3  8 13  5    1  7 11
PWIND DIR        SW      SW     S       S    SW       W     W       W    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC B1 B2   B2 SC SC B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR         20      20    10      20    20      20    20      20    20
SNOWSHWRS      S  S  S    S        S    S  S  S  S    S  S  S  S    S  S  S

$$
MTZ055-191100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
809 PM MST WED JAN 18 2017

DATE          WED 01/18/17      THU 01/19/17            FRI 01/20/17         SAT
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                      17          25          14          32           6
TEMP                   20 20 17 18 22 25 22 16 15 15 14 18 25 31 25 16 13  7  7
DEWPT                  17 18 15 17 16 19 16 14 11 13 11 16 17 22 18 13  8  4  2
RH                     88 92 92 96 77 78 77 92 84 92 88 92 71 69 74 88 80 87 79
WIND DIR               SE SE SE  S  W  S  S  S  S SW SW SW SW SW  S  S  S  S  S
WIND SPD                4  4  4  4  3  2  4  4  4  4  5  4  4  3  3  3  3  3  4
CLOUDS                 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC
POP 12HR                      0          30          50          40          20
QPF 12HR                      0        0.01        0.02        0.02           0
SNOW 12HR                 00-00           T           T
SNOW                                   S  C  C  C  C  C  C  C  C
SNOWSHWRS                                                         S  S  S  S  S
WIND CHILL                                                                   -2
MIN CHILL                                                                    -2


DATE           01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17
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          28       7    28       9    28       5    23       2    23
TEMP          19 24 15    7 21 28 17    9 24 27 14    5 18 22  8    2 17 23
DEWPT          9 16  9    4 10 17  9    5 14 18  7    2  8 13  4   -2  8 14
PWIND DIR         S      SW     S       S    SW       W     W       W    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC B1 B1   B1 SC SC B2   B2 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         20      20    20      20    20      30    20      20    20
SNOWSHWRS      S  S  S    S  S  S  S    S  S  S  C    C  S  S  S    S  S  S

$$
MTZ055-191100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
809 PM MST WED JAN 18 2017

DATE          WED 01/18/17      THU 01/19/17            FRI 01/20/17         SAT
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                       1          17           8          22           1
TEMP                    5  4  1  4 13 17 12  8  8  8  8 10 16 21 16  3  3  2  4
DEWPT                   3  3  0  4 11 14 10  8  8  7  6  9 11 16 13  3  1  0  1
RH                     91 95 95100 91 88 91100100 96 91 96 80 81 88100 91 91 87
WIND DIR                S  S  S  S SW SW SW  S SW  S  S  S  S SW  S  S  S  S SE
WIND SPD                4  4  3  4  4  5  6  5  5  5  5  5  6  8  3  3  3  3  2
CLOUDS                 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B2 B2 B2
POP 12HR                     40          50          50          40          20
QPF 12HR                   0.01        0.03        0.04        0.03           0
SNOW 12HR                     T           T           1
SNOW                    S  C  C  C  C  C  C  C  C  C  C  C  C  C
SNOWSHWRS                                                         S  S  S  S  C
WIND CHILL             -4 -5 -7 -5          -2 -2 -2 -2             -4 -4 -6
MIN CHILL              -4    -7    -7          -2    -2    -1          -6    -6


DATE           01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17
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          25       4    24       6    25       1    21     -10    17
TEMP          16 20  8    5 15 24 13    6 20 24  5    2 15 20 -4   -9 10 16
DEWPT          9 16  7    2  8 20 12    4 11 19  3    2  5 15 -5  -11  2  9
PWIND DIR         S      SW    SW       S    SW       N     N      NW     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B2 OV   OV B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         30      30    20      40    30      30    20      20    10
SNOWSHWRS      C  C  C    C  S  S  C    C  C  C  C    C  S  S  S    S

$$
MTZ008-191100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
809 PM MST WED JAN 18 2017

DATE          WED 01/18/17      THU 01/19/17            FRI 01/20/17         SAT
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                      17          25          15          30           9
TEMP                   26 24 20 18 25 25 20 18 16 15 16 16 23 29 24 13 12  9 12
DEWPT                  22 23 19 17 20 22 17 15 13 12 12 13 15 19 16  8  5  5  5
RH                     85 96 96 96 81 88 88 88 88 88 84 88 71 66 71 80 73 83 73
WIND DIR                S  S  S  S  S  S  S  S  S SW  S  S  S  S  S  S  S  S  S
WIND SPD                9  9 10  8  8  5  6  9  8  8  6  6  8  6  8  8  8  8  6
CLOUDS                 OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC B1
POP 12HR                      5          30          30          30          20
QPF 12HR                      0           0        0.02           0           0
SNOW 12HR                 00-00       00-00           T
SNOW                                   S  C  C  C  C  C  C  S  S
SNOWSHWRS                                                         S  S        S
WIND CHILL                                                                -3
MIN CHILL                                                                    -3


DATE           01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17
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          29      10    28      11    27       7    23       5    24
TEMP          22 25 16   10 22 28 17   11 24 26 13    7 18 22  9    6 18 24
DEWPT         11 18  8    5  8 18 13    6 12 21  6    2  6 15  5    1  7 12
PWIND DIR        SW      SW     S       S    SW      NW    SW      SW    SW
WIND CHAR        LT      LT    GN      GN    LT      LT    LT      LT    GN
AVG CLOUDS    B1 B2 B2   B2 SC SC B2   B2 B2 B2 B2   B2 B1 B1 B1   B1 B1 B1
POP 12HR         20      20    20      30    20      20    20      20    20
SNOWSHWRS      S  S  S    S  S  S  C    C  S  S  S    S  S  S  S    S  S  S

$$
MTZ011-191100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
809 PM MST WED JAN 18 2017

DATE          WED 01/18/17      THU 01/19/17            FRI 01/20/17         SAT
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                      31          38          28          36          21
TEMP                   32 31 32 31 36 38 35 33 31 30 30 28 32 36 31 26 24 22 21
DEWPT                  26 25 26 25 29 31 28 28 26 27 26 24 26 29 25 22 20 19 17
RH                     78 78 78 78 75 76 75 82 81 88 85 85 78 75 78 85 84 88 84
WIND DIR               SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W  W  W  W
WIND SPD                9  9  6  6 10 11 10  9 10  9  9 10 10  9  8  8  8  8 10
CLOUDS                 B1 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2
POP 12HR                      0          10          10          10          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
SNOWSHWRS                                                         S  S  S  S  S


DATE           01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17
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      20    31      17    29      16    25      12    26
TEMP          29 31 26   20 29 30 21   17 28 27 20   16 24 22 14   12 21 26
DEWPT         23 23 22   16 21 21 16   13 19 18 14   12 15 14  9    8 12 18
PWIND DIR         W       W     W       E     W      NW     W       W     W
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B1 B1 SC   SC B1 B1 B2   B2 B2 B2 B1   B1 B1 B1
POP 12HR         20      20    10      20    20      20    20      10    10
SNOWSHWRS      S  S  S    S        S    S  S  S  S    S  S  S

$$
MTZ051-191100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
809 PM MST WED JAN 18 2017

DATE          WED 01/18/17      THU 01/19/17            FRI 01/20/17         SAT
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                      33          39          28          35          19
TEMP                   36 35 33 34 39 37 35 32 30 30 29 28 32 34 31 23 23 22 19
DEWPT                  25 24 23 24 29 29 28 26 25 25 25 24 27 28 26 19 18 18 14
RH                     64 64 66 66 67 72 75 78 81 81 85 85 81 78 81 84 81 84 80
WIND DIR                S  S  S SW SW SW SW SW SW SW  W  W  W  W  W  W SW SW  W
WIND SPD                9  8  8  9  9  9  8  6  5  5  5  4  4  4  3  3  3  3  4
CLOUDS                 B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1
POP 12HR                      0          30          40          30          20
QPF 12HR                      0        0.01        0.02        0.02           0
SNOW 12HR                 00-00       00-00           T
RAIN                                S  S  C
SNOW                                      C  C  C  C  C  C  S  S
SNOWSHWRS                                                         S  S  S  S


DATE           01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17
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          32      19    32      16    29      13    24      12    27
TEMP          30 28 24   19 31 27 20   16 29 23 19   13 23 21 15   13 26 25
DEWPT         22 19 16   14 18 15 14   11 17 14 15   10 14 13  9    7 13 15
PWIND DIR         W       W    SW       S     W       W    NW       W     W
WIND CHAR        LT      GN    LT      LT    LT      LT    LT      GN    LT
AVG CLOUDS    B1 B1 B1   B1 SC SC SC   SC B1 B1 B2   B2 B2 B2 B1   B1 SC SC
POP 12HR         10      20    10      20    20      20    20      20    10
SNOWSHWRS            S    S        S    S  S  S  S    S  S  S  S    S

$$
WEATHER.GOV/GREATFALLS




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