Point Forecast Matrices
Issued by NWS Great Falls, MT

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482
FOUS55 KTFX 042158
PFMTFX

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
258 PM MST SUN DEC 4 2016

MTZ012-051100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
258 PM MST SUN DEC 4 2016

DATE          SUN 12/04/16      MON 12/05/16            TUE 12/06/16         WED
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          19          -3           5         -10
TEMP             34 29 23 20 18 16 16 18 16 12  8  7  2 -3 -1  5 -2 -2 -2 -5 -7
DEWPT            25 21 19 16 13  9 11  9  9  7  1  1 -6 -7-10 -7-12 -7-11-12-18
RH               69 72 84 84 80 73 80 67 73 80 72 76 68 82 65 57 61 79 64 71 57
WIND DIR          W NW  N  N NW NW NW NW NE NE  N  N  N  N NW NW  N NW NW  W NW
WIND SPD         21 16 10 10 13 11 11  8  9  9 11 11 13 13 12 12 11  6  5  5  6
CLOUDS           B2 B2 OV OV OV B2 OV OV OV OV OV OV OV OV B2 B2 OV B2 B2 B2 B1
POP 12HR                     80          60          20          20          10
QPF 12HR                   0.09        0.03        0.02        0.02           0
SNOW 12HR                     2           1           T
RAIN
SNOW              C  D  D  D  L  L  C  C
SNOWSHWRS                                 S  S  S  S  S  S  S  S
OBVIS               BS       BS
WIND CHILL                                     -7 -8-16-22-19-12-20-15-14-17-21
MIN CHILL                                      -7   -16   -22   -20   -20   -21
WINTER STORM      W  W  W  W  W  W  W  W


DATE           12/07/16  THU 12/08/16  FRI 12/09/16  SAT 12/10/16  SUN 12/11/16
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      -6    12       8    26      15    34      23    34
TEMP          -3 -2 -5   -4  7  9 16   19 23 21 24   18 29 34 27   28 33 30
DEWPT        -15-11-12  -12 -7  0 11   14 18 16 17    5 15 21 20   15 17 17
PWIND DIR         W       W     E      SE    SW      SW    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      GN    GN      GN    GN
AVG CLOUDS    B2 B1 SC   FW SC B1 B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 B1 B1
POP 12HR         10      10    10      40    30      20    20      20    20
SNOW                               C    C  C  C  S    S  S  S
SNOWSHWRS                                                           S  S  S

$$
MTZ010-051100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
258 PM MST SUN DEC 4 2016

DATE          SUN 12/04/16      MON 12/05/16            TUE 12/06/16         WED
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                      11          13          -7          -1         -13
TEMP             27 22 19 16 13 12 12 12 10  8  3 -5 -4 -7 -5 -1 -2 -3 -6-12 -8
DEWPT            22 17 14 11  6  4  4  3  3  2 -4 -9-12-12-14 -9-12 -7-14-17-18
RH               81 81 80 80 73 70 70 66 73 76 72 82 67 78 64 68 61 82 67 78 60
WIND DIR         NW  N  N  N  N NW  N  N  N  N  N  N  N  N NW NW  N NW NW NW NW
WIND SPD         23 19 13 16 16 12 12 14 12 12 13 13 14 14 16 16 14 11 10  9  9
WIND GUST        33
CLOUDS           OV OV OV OV OV B2 OV B2 OV OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B1
POP 12HR                     90          30          20          20          10
QPF 12HR                   0.07        0.02        0.02        0.02           0
SNOW 12HR                     1           T           T
SNOW              D  D  L  L  C  C  C  C
SNOWSHWRS                                 S  S  S  S  S  S  S  S
OBVIS            BS BS BS BS
WIND CHILL                   -3 -3 -3 -4 -5 -8-15-25-24-28-26-21-22-21-24-30-25
MIN CHILL                    -3    -5    -5   -15   -25   -28   -25   -24   -30
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/07/16  THU 12/08/16  FRI 12/09/16  SAT 12/10/16  SUN 12/11/16
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           0     -10     4       0    14       7    28      17    24
TEMP          -7 -2 -6  -10 -4  3  4    1  8 12 10   10 21 28 22   26 20 16
DEWPT        -16 -7 -9  -14 -9 -6  1   -4  5  9  3    1 12 22 18   19 16 13
PWIND DIR        NW       E    SE      SE     E       S    SW      SW    SW
WIND CHAR        GN      LT    GN      GN    LT      GN    GN      GN    GN
AVG CLOUDS    B1 B1 SC   FW SC B1 B2   B2 B2 B2 B2   B2 B1 B1 B1   SC B1 B1
POP 12HR         10      10    10      40    30      20    20      10    20
SNOW                               S    C  C  C  S    S  S  S
SNOWSHWRS                                                                 S

$$
MTZ014-051100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
258 PM MST SUN DEC 4 2016

DATE          SUN 12/04/16      MON 12/05/16            TUE 12/06/16         WED
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                      18          25           9          17           1
TEMP             33 29 26 24 21 19 22 24 23 19 18 15 14  9 16 15 12 10 10  5  6
DEWPT            27 20 16 13 12 10 10  6  9 12 11 11  8  6  5  0 -1  3  3  1  1
RH               78 69 65 62 68 67 59 45 54 74 73 84 76 87 61 50 55 73 73 83 79
WIND DIR          W  W  W  W  W  W  W  W NW  W  N  N  N  N  N  N  N  N  N NW  N
WIND SPD          9 10 12 11  6  6  9 10  5  5  5  6  8  8  9  9  9  4  3  3  3
CLOUDS           B2 B2 B1 B2 B2 B2 B1 SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     40          30          20          20          10
QPF 12HR                   0.05        0.03        0.02        0.02           0
SNOW 12HR                     1           1           T
RAIN
SNOW              C  C  S  C  C  C  C  C
SNOWSHWRS                                 S  S  S  S  S  S  S  S
WIND CHILL                                              -3                -2 -1
MIN CHILL                                                  -3          -2    -2
WINTER WEATH      Y  Y  Y  Y  Y  Y


DATE           12/07/16  THU 12/08/16  FRI 12/09/16  SAT 12/10/16  SUN 12/11/16
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          14       4    22      17    34      19    35      20    34
TEMP          13 11  8    5 19 21 21   18 32 31 24   19 33 33 25   20 33 31
DEWPT          1 -2  3    1  6  4 14   15 18 20 20   17 21 18 19   17 20 16
PWIND DIR         N       E    SE      SE     S      SW    SW      SW     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B1 SC   SC SC B1 B2   B2 B2 B2 B2   B2 B2 B1 B2   B1 B1 B2
POP 12HR         10       5    10      50    30      20    30      20    20
SNOW                               C    C  C  C  S    S  C  C
SNOWSHWRS                                                      S    S  S  S

$$
MTZ055-051100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
258 PM MST SUN DEC 4 2016

DATE          SUN 12/04/16      MON 12/05/16            TUE 12/06/16         WED
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                      16          23           6          16          -3
TEMP             35 30 28 24 21 17 21 21 18 16 15 12 13  6 14 15  9  6  5 -2  3
DEWPT            29 25 21 15 12  9 11  9  9 11 10  8  9  3  7  6  2  4  1 -4 -1
RH               78 81 75 68 68 70 65 59 67 80 80 84 84 87 73 67 72 91 83 91 83
WIND DIR          W NW  W  W  W SW  W  W  S  S  S  S  E  E  N  N  N NW NW NW  N
WIND SPD         12 10 13 11  6  9  8 10  6  6  5  6  6  6  4  4  8  4  4  4  4
CLOUDS           OV OV B2 B1 B2 B2 SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     50          20          30          30          10
QPF 12HR                   0.08        0.03        0.02        0.02           0
SNOW 12HR                     1           1           T
RAIN
SNOW              C  C  C  C  S  S  S  S
SNOWSHWRS                                 S  S  C  C  C  C  S  S
OBVIS                  BS
WIND CHILL                                              -6       -3 -3 -4-12 -6
MIN CHILL                                                  -6    -3    -5   -12
WINTER WEATH      Y  Y  Y  Y  Y  Y


DATE           12/07/16  THU 12/08/16  FRI 12/09/16  SAT 12/10/16  SUN 12/11/16
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          11       2    19      15    32      19    32      20    31
TEMP           8  1  7    9 16 18 21   18 29 31 24   19 31 29 24   20 30 30
DEWPT         -1 -5  2    6  4  7 16   15 19 20 19   16 21 16 17   16 20 17
PWIND DIR        NW       E    SE      SE     S      SW    SW      SW     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B1 SC   SC SC B1 OV   OV B2 B2 OV   B2 B2 B2 B2   B2 B2 B2
POP 12HR         10      10    10      40    30      30    30      20    20
SNOW                               C    C  C  C  C    C  C  C
SNOWSHWRS                                                      S    S  S  S

$$
MTZ055-051100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
258 PM MST SUN DEC 4 2016

DATE          SUN 12/04/16      MON 12/05/16            TUE 12/06/16         WED
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          14          -1          13         -10
TEMP             25 26 25 16  9  2 12 12  8  4  3  1  2 -1 11 11  6  1 -6 -9 -6
DEWPT            23 23 18  8  1 -4  2  3  2  2  1 -1  0 -2  5  1  3  0 -8-10 -8
RH               92 88 74 70 69 75 63 66 76 91 91 91 91 95 76 63 87 95 91 95 91
WIND DIR         SW SW  W NW NW  W  W SW SW SW SW  S SE SE SE SE  N  N  N NE NE
WIND SPD         12 16 11  8  9  8  9 13 10  9  6  6  6  6  6  6  6  3  2  2  3
WIND GUST        26
CLOUDS           OV OV OV B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1
POP 12HR                     80          20          50          50          10
QPF 12HR                   0.14        0.02        0.02        0.03           0
SNOW 12HR                     2           T           T
SNOW              L  L  C  C  S  S  S  S
SNOWSHWRS                                 S  S  C  C  C  C  C  C
OBVIS            BS BS
WIND CHILL                   -4-12    -3 -6-10 -9-12-11-14       -6 -7      -15
MIN CHILL                    -4   -12    -7   -12   -12   -14    -6    -9   -16
WINTER STORM      W  W  W  W  W  W


DATE           12/07/16  THU 12/08/16  FRI 12/09/16  SAT 12/10/16  SUN 12/11/16
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          10      -7    15      10    28      12    24      11    24
TEMP           7 -1 -7   -2 14 14 12   15 25 25 19   12 23 19 12   12 23 21
DEWPT         -1 -6 -9   -4  5  5  9   14 16 18 16   11 14 13  9   11 14 14
PWIND DIR        NW      SW     S       S    SW      SW    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC SC   SC B1 B2 OV   OV OV OV OV   B2 B2 OV OV   B2 OV OV
POP 12HR         10      10    20      50    50      40    30      30    30
SNOW                               C    C  C  C  C    C  C  C
SNOWSHWRS                       S                              C    S  C  C

$$
MTZ008-051100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
258 PM MST SUN DEC 4 2016

DATE          SUN 12/04/16      MON 12/05/16            TUE 12/06/16         WED
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                      11          21           6          16          -1
TEMP             31 27 22 18 15 12 19 20 17 12 10  7  9  6 12 16 11  7  5  2  5
DEWPT            28 22 15 10  7  4  6  5  6  4  2  1  3  2  3  4  3  4 -1 -2 -1
RH               88 81 74 70 70 70 56 51 61 70 69 76 76 83 66 58 69 87 76 83 76
WIND DIR         SW  W  W SW SW SW SW SW  S  S  S  S  E  E  N  N NE NE NE  E  E
WIND SPD          9 10 10 10 10 10  9  9  8  9  8  8  9  9  6  6  9  5  5  5  5
CLOUDS           B2 B2 B2 B1 SC FW SC SC SC SC B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1
POP 12HR                     40           5          50          50          20
QPF 12HR                   0.04           0        0.02        0.02           0
SNOW 12HR                     1       00-00           T
SNOW              C  C  C  C
SNOWSHWRS                                 S  S  C  C  C  C  S  S  S  S  S  S
OBVIS            BS
WIND CHILL                      -1             -2 -6 -4 -8       -2 -3 -6 -9 -6
MIN CHILL                          -1          -2    -6    -8    -2    -6    -9
WINTER WEATH      Y  Y  Y  Y  Y  Y


DATE           12/07/16  THU 12/08/16  FRI 12/09/16  SAT 12/10/16  SUN 12/11/16
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          14       1    17      16    33      18    30      16    30
TEMP           8  9  1    6 14 16 19   20 30 30 23   18 29 26 20   16 29 27
DEWPT         -3  1 -6    3  0  2 11   15 16 19 16   14 14 12 12   11 16 13
PWIND DIR        SE      SE     S       S     S      SW    SW       S     S
WIND CHAR        LT      LT    LT      GN    GN      LT    LT      GN    GN
AVG CLOUDS    B1 SC SC   SC B1 B2 OV   OV B2 B2 B2   B2 B1 B1 B1   B1 B2 B2
POP 12HR         10      10    20      40    40      30    30      20    20
SNOW                               C    C  C  C  C    S  S  C
SNOWSHWRS                    S  S                              S    S  S  S

$$
MTZ011-051100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
258 PM MST SUN DEC 4 2016

DATE          SUN 12/04/16      MON 12/05/16            TUE 12/06/16         WED
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                      16          18          -3           4          -5
TEMP             34 29 26 23 20 17 17 15 14 13 10  7  6 -3  0  2  4  4  3  3  3
DEWPT            27 22 19 16 12  8  6  3  3  6  4  3  1 -6-11-10 -8 -2 -4 -1 -3
RH               75 75 74 74 71 67 61 58 61 73 76 83 79 86 59 56 56 75 72 83 75
WIND DIR         NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W NW
WIND SPD          9 17 13 13 12 12 13 13  9 10 10 11 11 11 13 13 10  9 10 10 10
WIND GUST        25
CLOUDS           B2 B2 OV OV OV OV B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2
POP 12HR                     30          20          20          20          10
QPF 12HR                   0.04        0.02        0.02        0.02           0
SNOW 12HR                     1           T           T
RAIN
SNOW              C  C  C  C  S  S  S  S
SNOWSHWRS                                 S  S  S  S  S  S  S  S
OBVIS               BS    BS
WIND CHILL                                     -4 -8-10-21-19-16-11-10-12-12-12
MIN CHILL                                -1    -4   -10   -21   -17   -12   -14


DATE           12/07/16  THU 12/08/16  FRI 12/09/16  SAT 12/10/16  SUN 12/11/16
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           3      -1     7       6    13       8    25      13    27
TEMP          -1  3 -1    2  4  7  8   10 12 11 12   17 15 25 14   24 27 22
DEWPT        -12 -6 -6   -1 -8 -4  3    7  4  3  9   12  4 17 10   20 17 14
PWIND DIR         W      NW     E       E     E       N    SW      SW    SW
WIND CHAR        GN      LT    LT      GN    GN      LT    LT      LT    GN
AVG CLOUDS    B2 B1 SC   SC FW SC B1   B2 B2 OV B2   B2 B2 B1 B1   B1 SC B1
POP 12HR         10      10     5      20    30      20    20      20    10
SNOW                                    S  C  C  S    S  S  S
SNOWSHWRS                                                      S

$$
MTZ051-051100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
258 PM MST SUN DEC 4 2016

DATE          SUN 12/04/16      MON 12/05/16            TUE 12/06/16         WED
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          18          -1           3          -8
TEMP             34 29 24 21 18 16 16 16 14 10 10  7  8 -1 -1  1  1 -5 -1 -5  2
DEWPT            26 23 20 16 14 11  9  7  6  6  5  3  3 -4 -9 -9 -8 -9 -8-10 -6
RH               72 78 84 81 84 80 73 67 70 83 80 83 79 87 68 62 65 82 71 78 68
WIND DIR          W  W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W NW
WIND SPD         19 16 14 12 11 11 14 13  9  9  8  9 10 10 11 11 11  8  6  6  6
CLOUDS           OV B2 B2 OV OV OV OV B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1
POP 12HR                     70          60          20          20          10
QPF 12HR                   0.06        0.03        0.02        0.02           0
SNOW 12HR                     1           1           T
RAIN
SNOW              C  C  L  L  L  L  C  C
SNOWSHWRS                                 S  S  S  S  S  S  S  S
OBVIS               BS BS BS       BS BS
WIND CHILL                                  -3 -2 -7 -6-17-18-16-16-20-14-19-11
MIN CHILL                                      -3    -7   -19   -17   -21   -19
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/07/16  THU 12/08/16  FRI 12/09/16  SAT 12/10/16  SUN 12/11/16
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           2      -2    14      11    26      14    32      21    32
TEMP          -4  2 -2    3 10 13 16   18 24 19 16   16 30 31 23   24 32 29
DEWPT        -14 -6 -7   -5 -5 -2  9   13 13 12 13   10 17 18 16   14 15 16
PWIND DIR        NW       W     S      SE    SW      SW     W       W    SW
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      GN    GN
AVG CLOUDS    B1 B1 SC   FW FW SC B1   B2 OV B2 B2   B2 B2 B2 B1   B1 B1 B1
POP 12HR         10      10     5      20    30      20    20      20    10
SNOW                               S    S  C  S  S    S  S  S
SNOWSHWRS                                                      S

$$
WEATHER.GOV/GREATFALLS



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