Point Forecast Matrices
Issued by NWS Great Falls, MT

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FOUS55 KTFX 082240
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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
340 PM MST THU DEC 8 2016

MTZ012-091100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
340 PM MST THU DEC 8 2016

DATE          THU 12/08/16      FRI 12/09/16            SAT 12/10/16         SUN
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                      -9           2           0          14           9
TEMP             -6 -7 -8 -8 -7 -6 -4  1  1  4  4  5  2  1  8 13  8 15 16 16 17
DEWPT           -10-11-11-11-10-10 -8 -6 -2  1 -1  1 -2 -2  1  4  3 10  7  7  7
RH               82 82 86 86 86 82 82 72 87 87 79 83 83 87 72 67 79 80 67 67 64
WIND DIR         NE  N  N  N  N  N NE NE NE  N  N  N  N  N  N  N SE SE SW SW SW
WIND SPD          5  5  4  5  4  4  4  5 10  9  8  8  8  8  6  6 10 10 10 10 14
CLOUDS           B2 OV OV OV OV OV OV B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR                     50          70          80          40          20
QPF 12HR                   0.01        0.03        0.09        0.01        0.02
SNOW 12HR                     T           1           2
SNOW                    C  C  L  L  S  S  C  C  D  D  C  C  S  S
SNOWSHWRS                                                         S  S  S  S  C
WIND CHILL      -19-20-19-21-18-17-15-10-15-10 -9 -8-12-13 -3    -6
MIN CHILL       -19   -20   -21   -19   -16   -14   -12   -14    -6    -4
WINTER WEATH                              Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/11/16  MON 12/12/16  TUE 12/13/16  WED 12/14/16  THU 12/15/16
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          18      -3     4      -8     6      -5     7      -5     6
TEMP          15 10  1   -1 -4 -1 -7   -4  3  6 -1   -4  6  4 -5   -4  0  6
DEWPT          3  4 -4   -8-15 -8-15  -14 -8  0 -9  -14 -6 -3 -9  -12 -7  1
PWIND DIR         W      NW    NW       W    SW      SW    SW       W     N
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   SC B2 B2
POP 12HR         30      50    40      30    20      10    10      10    40
SNOW                 C    C  C  C  C    C                              C  C
SNOWSHWRS      C  C                        S  S

$$
MTZ010-091100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
340 PM MST THU DEC 8 2016

DATE          THU 12/08/16      FRI 12/09/16            SAT 12/10/16         SUN
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          -3          -7           4          -5
TEMP             -8-10-12-11-10-10 -8 -4 -6 -4 -3 -4 -4 -7  0  3  1  4  5  5 -5
DEWPT           -13-15-16-16-14-14-12 -9-10 -7 -8 -7 -9-10 -5 -2 -3  1 -1  3-10
RH               78 78 82 78 82 82 82 78 82 86 78 86 78 86 79 79 83 87 76 91 78
WIND DIR         NE NE  N  N  N  N  S SE  E  E  E NE NE NE NE NE SE SE SW SW  N
WIND SPD          4  4  5  5  6  5  6  6 10 10  9  9  8  8  9  9 11 11  9  9 12
CLOUDS           B2 B2 B2 OV OV OV OV B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1
POP 12HR                     30          50          60          40          20
QPF 12HR                      0        0.01        0.07        0.02        0.02
SNOW 12HR                 00-00           T           1
SNOW                    C  C  C  C  C  S  C  C  L  L  C  C  C  C
SNOWSHWRS                                                         S  S  S  S  C
WIND CHILL      -19-22-26-25-25-23-23-18-24-21-19-20-19-23-15-12-16-12 -9 -9-24
MIN CHILL       -19   -26   -26   -23   -24   -22   -20   -23   -16   -15   -24


DATE           12/11/16  MON 12/12/16  TUE 12/13/16  WED 12/14/16  THU 12/15/16
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           4      -8     0     -11     4      -9     3     -11     2
TEMP           1 -7 -8   -8 -5 -1-11   -6  1  4 -2   -9  1  1-10   -9  0 -1
DEWPT         -8-14-15  -18-16 -8-21  -14 -9 -1-10  -19 -8 -2-13  -14 -2 -6
PWIND DIR         N       N    NW       W     W       W    NW      NW    NE
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 OV   OV B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   SC B1 B1
POP 12HR         30      50    40      20    10      10    10      10    30
SNOW                 C    C  C  C  S    S                              C  C
SNOWSHWRS      C  C

$$
MTZ014-091100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
340 PM MST THU DEC 8 2016

DATE          THU 12/08/16      FRI 12/09/16            SAT 12/10/16         SUN
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                      -3          17          13          30          16
TEMP              0 -1 -1 -1 -1  0  5 13 14 16 13 16 15 18 24 29 23 19 18 16 16
DEWPT            -5 -6 -7 -6 -6 -5  0  7  9 11  9 14 13 15 18 19 17 13 12 12 12
RH               79 79 75 79 79 79 79 76 80 80 84 92 92 88 77 66 77 77 77 84 84
WIND DIR         NW NW NW NW NW NW  N NE  N  N  N NW  W  W  W  W  S  S SW SW SW
WIND SPD          5  5  6  6  5  4  2  3  5  5  4  5  6  6  6  6  6  6  6  6 10
CLOUDS           B1 B2 OV OV OV OV B2 B2 OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 B2
POP 12HR                     70          70          80          30          20
QPF 12HR                   0.02        0.03        0.09        0.02        0.02
SNOW 12HR                     1           1           1
SNOW              S  C  L  L  L  L  C  S  L  L  D  D  C  C  C  C
SNOWSHWRS                                                         S  S  S  S  C
WIND CHILL      -12-13-14-14-13-10
MIN CHILL       -12   -15   -14   -12
WINTER WEATH                              Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/11/16  MON 12/12/16  TUE 12/13/16  WED 12/14/16  THU 12/15/16
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          27       2    11      -3    10       0    18       7    13
TEMP          23 19 12    2  7  7 -2    0 10  7  1    1 14 17  9    7 13 10
DEWPT         15 10  7   -1 -4 -4 -5    0  1  0 -2    1  3  6  5    4  3 -1
PWIND DIR        SW       W     N      NW     W      SW     S       W     N
WIND CHAR        GN      GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B1 B2   B2 OV OV B2   B2 B1 B1 SC   SC SC SC SC   SC B2 B2
POP 12HR         30      50    40      30    20      10    10      20    40
SNOW                 C    C  C  C  C    C                              C  C
SNOWSHWRS      C  C                        S  S                S    S

$$
MTZ055-091100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
340 PM MST THU DEC 8 2016

DATE          THU 12/08/16      FRI 12/09/16            SAT 12/10/16         SUN
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                       3          25          20          32          19
TEMP              5  5  6  6  6  6 13 21 22 25 21 25 20 23 27 31 25 21 22 19 21
DEWPT            -1 -2  1  2  2  1  7 16 18 21 19 22 17 21 21 20 18 17 18 16 17
RH               76 72 79 83 83 79 76 81 84 84 92 88 88 92 78 63 74 84 84 88 84
WIND DIR          E  E  E NE NE NE  N NW NE SE  S SW SW SW SW SW SW SW SW SW SW
WIND SPD          5  6  6  5  5  4  3  3  6  6  6  6  6  6  8  8  8  8  8  8 10
CLOUDS           B1 B2 OV OV OV B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2
POP 12HR                     70          50          80          40          30
QPF 12HR                   0.04        0.02        0.11        0.03        0.03
SNOW 12HR                     1           T           2
SNOW              S  C  L  L  C  C  S  S  L  L  D  D  C  C  C  C
SNOWSHWRS                                                         C  C  S  S  C
WIND CHILL       -6 -7 -6 -4 -4 -3
MIN CHILL        -6    -8    -4    -3
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/11/16  MON 12/12/16  TUE 12/13/16  WED 12/14/16  THU 12/15/16
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      14    21      -1    13       3    21      12    22
TEMP          24 24 18   15 16 18  2    1 10 10  3    6 17 20 12   20 21 22
DEWPT         18 16 13   12  9  8  1   -1  2  3  0    5  7  9  8   16 14 11
PWIND DIR        SW      SW     W       W    SW       S     S      SE    SE
WIND CHAR        GN      GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 OV OV B2   B2 B2 B2 B1   B1 SC SC SC   SC OV OV
POP 12HR         30      40    30      30    20      20    10      20    40
SNOW                 C    C  C  C  C    C                              C  C
SNOWSHWRS      C  C                        S  S  S    S        S    S

$$
MTZ055-091100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
340 PM MST THU DEC 8 2016

DATE          THU 12/08/16      FRI 12/09/16            SAT 12/10/16         SUN
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          26          17          28          11
TEMP              7  8 10 13 15 16 22 25 25 24 24 24 22 17 26 28 25 19 19 15 14
DEWPT            -3  4  6 10 13 14 19 20 23 22 22 23 21 16 19 20 22 18 17 14 13
RH               63 83 83 87 92 92 88 81 92 92 92 96 96 96 74 71 88 96 92 96 96
WIND DIR          S  E SW  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD          3  2  4  5  8  5  8  9 10 11 11 13 12 12 10 10 11 11  9  9 12
CLOUDS           OV OV OV OV OV B2 B2 B2 OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2
POP 12HR                     90          80          80          70          40
QPF 12HR                   0.16        0.09        0.21        0.08        0.06
SNOW 12HR                     3           2           3
SNOW              L  L  D  D  D  D  C  L  D  D  D  D  L  L  C  C
SNOWSHWRS                                                         C  C  C  C  C
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/11/16  MON 12/12/16  TUE 12/13/16  WED 12/14/16  THU 12/15/16
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          22      10    22      -5    11      -8    16       4    29
TEMP          20 18 12   11 19 20 -1   -4  8  4 -8   -4 13 13  6   12 25 29
DEWPT         13 14 10   10  9 13 -4   -5 -1 -1 -9   -5  2  6  4   11 17 24
PWIND DIR        SW      SW    SW       W     W      SW     S       S    SW
WIND CHAR        GN      GN    GN      GN    GN      GN    LT      GN    GN
AVG CLOUDS    B2 B2 OV   OV OV OV B2   B2 B1 B1 SC   SC SC SC B1   B1 OV OV
POP 12HR         40      40    40      30    20      10    10      30    50
SNOW                 C    C  C  C  C    C                              C  C
SNOWSHWRS      C  C                        S  S                C    C

$$
MTZ008-091100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
340 PM MST THU DEC 8 2016

DATE          THU 12/08/16      FRI 12/09/16            SAT 12/10/16         SUN
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                       8          32          21          32          17
TEMP              8 10 10 11 12 13 22 31 28 27 24 27 23 22 29 32 25 18 19 17 18
DEWPT             2  4  5  6  6  9 16 23 23 23 20 23 20 19 21 19 19 14 14 13 13
RH               76 76 80 80 76 84 77 72 81 85 84 85 88 88 72 58 78 84 80 84 80
WIND DIR          E  E  E SE  S  S  S  S SE  S  S SW SW SW SW SW  S  S SW SW SW
WIND SPD          4  4  4  3  4  6  6  5  9 10 11 12 10 10  9  9  9  9 10 10 13
CLOUDS           B2 OV OV B2 B2 B1 B2 B2 OV OV B1 B1 B2 B2 SC SC B1 B1 B2 B2 B2
POP 12HR                     90          40          60          30          20
QPF 12HR                   0.08        0.03        0.07        0.02        0.03
SNOW 12HR                     1           T           1
SNOW              C  L  D  L  C  C  C  S  L  L  C  C  C  C  C  C
SNOWSHWRS                                                         S  S  S  S  C
WIND CHILL       -1
MIN CHILL        -1
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/11/16  MON 12/12/16  TUE 12/13/16  WED 12/14/16  THU 12/15/16
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      15    26       2    14       0    21      12    33
TEMP          24 23 16   17 24 22  6    2 10 11  0    2 13 21 12   17 29 33
DEWPT         15 14 10   13 13 10  2    2 -1  4 -4    0  1 10  6   13 21 19
PWIND DIR        SW      SW    SW       N     S       S     S       S     S
WIND CHAR        GN      GN    GN      GN    LT      GN    GN      GN    GN
AVG CLOUDS    B2 B1 B1   B1 B2 B2 B2   B2 SC SC SC   SC SC SC SC   SC OV OV
POP 12HR         30      30    30      30    20      20    10      20    40
SNOW                 C    C  C  C  C    C                              C  C
SNOWSHWRS      C  S                        S  S  S    S        S    S

$$
MTZ011-091100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
340 PM MST THU DEC 8 2016

DATE          THU 12/08/16      FRI 12/09/16            SAT 12/10/16         SUN
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                      -9           2          -3           2          -4
TEMP             -4 -6 -6 -8 -7 -8 -3  2  1  1  0  2  0 -3  0  2 -2 -3 -1  4  0
DEWPT            -9-10-11-12-11-12 -8 -3 -4 -4 -5 -2 -4 -5 -6 -3 -8 -5 -7  2 -3
RH               78 82 78 82 82 82 78 79 79 79 79 83 83 91 75 79 75 91 75 91 87
WIND DIR         NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NW
WIND SPD          5  6  8  8  8  6  8  9  8  8  8  8  6  6  4  4  4  4  5  5  8
CLOUDS           B1 B1 B2 B1 B2 B1 B2 B2 OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2
POP 12HR                     10          20          70          60          20
QPF 12HR                      0           0        0.06        0.03        0.02
SNOW 12HR                 00-00       00-00           1
SNOW                                   S  S  S  L  L  L  L  C  C
SNOWSHWRS                                                         S  S  S  S  C
WIND CHILL      -16-20-21-24-23-23-18-13-13-13-14-12-13-17-10 -8-12-13-13 -7-14
MIN CHILL       -16   -21   -24   -23   -16   -14   -13   -17   -12   -13   -14


DATE           12/11/16  MON 12/12/16  TUE 12/13/16  WED 12/14/16  THU 12/15/16
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           7      -7     0      -9     4      -8     2      -6     4
TEMP           6 -2 -5   -6 -5  0 -9   -6  0  4 -6   -5 -3  2 -6   -2  1  4
DEWPT         -1-11-10  -10-14 -6-13  -10 -9 -2-11   -9-12 -6 -9   -7 -7 -4
PWIND DIR        NW      NW     W       W     W      SW     W      SW    NE
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      LT    LT
AVG CLOUDS    B2 B2 OV   OV B2 B2 B1   B1 SC SC B1   B1 SC SC SC   SC SC SC
POP 12HR         30      30    30      20    20      10    10      10    20
SNOW                 C    C  C  C  S    S                              S  S
SNOWSHWRS      C  C                        S  S

$$
MTZ051-091100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
340 PM MST THU DEC 8 2016

DATE          THU 12/08/16      FRI 12/09/16            SAT 12/10/16         SUN
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           6           0          14           6
TEMP             -1 -5 -5 -4 -2 -2  3  6  5  4  5  9  6  0  6 13  9 13 16 18 18
DEWPT            -8-11-10 -9 -7 -7 -3  0 -3 -1 -1  5  3 -2  1  5  4  9  9 13 11
RH               71 74 78 78 79 79 75 76 69 79 76 83 87 91 79 70 80 84 73 80 73
WIND DIR          E  E  E  E  E  E SE  E  E SE SE SE NW NW  W  W  S  S  S  S  W
WIND SPD          5  6  6  6  6  6  6  6 10  9  8  6  6  6  6  6  6  6  9  9 11
CLOUDS           SC SC B1 B2 OV OV OV B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2
POP 12HR                     30          60          80          60          20
QPF 12HR                      0        0.03        0.09        0.04        0.02
SNOW 12HR                     T           1           2
SNOW                    S  S  L  C  C  S  C  C  D  D  L  L  C  C
SNOWSHWRS                                                         S  S  S  S  C
WIND CHILL      -13-19-19-18-15-15 -9 -6-10-10 -8 -2 -6-13 -6    -2
MIN CHILL       -13   -20   -19   -15   -10   -11    -6   -13    -2    -2
WINTER WEATH                              Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/11/16  MON 12/12/16  TUE 12/13/16  WED 12/14/16  THU 12/15/16
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          23      -7     0      -7     7      -4    10      -6     8
TEMP          21 13  4   -3 -7 -5 -7    2  5  7 -2    1 10  2 -6    2  4  7
DEWPT         10  3  0   -9-16-13-17   -6 -6 -1-10  -10 -4 -9-12   -2 -2  1
PWIND DIR         W      NW    NW       W     W       W     W      SW    SE
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B1 OV   OV OV OV B2   B2 B1 B1 B1   B1 SC SC SC   SC B2 B2
POP 12HR         30      40    40      30    20      10    10      10    30
SNOW                 C    C  C  C  C    C                              C  C
SNOWSHWRS      C  S                        S  S

$$
WEATHER.GOV/GREATFALLS


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