Point Forecast Matrices
Issued by NWS Great Falls, MT

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FOUS55 KTFX 281016
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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
316 AM MST SUN DEC 28 2014

MTZ012-282300-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
316 AM MST SUN DEC 28 2014

DATE                SUN 12/28/14            MON 12/29/14            TUE 12/30/14
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                      27          -8           2         -22           0
TEMP             28 27 20 18 11  5  1 -2 -3 -6 -6 -3-12-17-19-20-18-18 -6  0 -2
DEWPT            19 25 18 13  2  3 -2 -4 -6 -7 -8 -9-16-20-25-28-27-24-17-11-12
RH               68 92 92 80 66 91 87 91 86 95 91 75 82 86 73 65 62 73 58 59 61
WIND DIR          W  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  W  W SW SW SW
WIND SPD          9 13 17 18 16 17 16 14 13 11 13 12 11 11  8  8  3  3  8  8 14
CLOUDS           OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC
POP 12HR                    100          70          10           5           0
QPF 12HR                   0.12        0.04           0           0           0
SNOW 12HR                     2           1       00-00
SNOW              D  D  D  D  L  L  C  C
WIND CHILL                   -5-14-19-22-22-25-26-21-32-39                  -22
MIN CHILL                    -5   -19   -23   -26   -32   -40   -20   -19   -22
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 12/31/14  THU 01/01/15  FRI 01/02/15  SAT 01/03/15
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            -6    22      12    26       8    17      -7     8
TEMP           2    8 15 13 23   25 21 13 12   13 12 12 -4   -5 -1  2
DEWPT        -12   -6  7  7  7   13 13  9  7    9  9  9 -6   -7 -4  1
PWIND DIR          SW    SW      SW    SW      SW    NW       N    NW
WIND CHAR          BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC   SC SC SC SC   SC B1 B1 B1   B1 B1 B1 B2   B2 B2 B2
POP 12HR            5     5       5    10      30    60      40    40
SNOW                                       C    C  L  L  C    C  C  C

$$
MTZ010-282300-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
316 AM MST SUN DEC 28 2014

DATE                SUN 12/28/14            MON 12/29/14            TUE 12/30/14
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                      24         -11          -2         -26           2
TEMP             25 24 16 13  6  1 -3 -3 -6-10-15-15-17-22-23-23-22-21 -9  1  0
DEWPT            20 22 14  9  3  0 -5 -8-11-15-20-21-20-23-27-30-28-27-16 -8 -4
RH               81 92 92 84 87 95 91 78 78 78 77 73 86 95 81 68 72 72 70 65 83
WIND DIR          N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  W  W SW SW SW
WIND SPD         16 18 19 20 18 18 16 19 16 16 16 17 12 12 10 10  8  8  9  9 14
CLOUDS           OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR                    100          30          10           0           0
QPF 12HR                   0.11        0.02           0           0           0
SNOW 12HR                     3           1       00-00
SNOW              D  D  D  D  C  C  S  S
WIND CHILL             -1 -6-13-20-24-25-27-33-39-41-39-45-45-45      -26-14-20
MIN CHILL              -1   -13   -24   -27   -39   -41   -47   -46   -26   -20
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 12/31/14  THU 01/01/15  FRI 01/02/15  SAT 01/03/15
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            -4    24       9    23       1    11     -15     1
TEMP           8   13 18 18 20   21 16 17  7    8 -2  4-12   -8-15 -1
DEWPT         -3    5 10 14 10   12 10 15  3    6 -3  4-14  -12-16 -1
PWIND DIR           W     W       W     W       W    NW       N     N
WIND CHAR          BZ    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC   SC SC SC SC   SC B1 B1 B1   B1 B1 B1 B2   B2 B1 B1
POP 12HR            5     5       5    20      30    50      30    40
SNOW                                 S  S  C    C  C  C  C    C  C  C

$$
MTZ014-282300-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
316 AM MST SUN DEC 28 2014

DATE                SUN 12/28/14            MON 12/29/14            TUE 12/30/14
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                      22          -1           7         -19          -4
TEMP             21 20 16 14 12  9  5  4  5  0  4  3 -1 -4 -9-10-14-18-14 -4 -8
DEWPT            16 16 11  8  6  6  2 -3 -5-10 -8 -4 -6 -9-12-15-21-22-16-15-14
RH               81 84 80 76 76 87 87 72 62 62 56 72 79 78 86 78 70 81 90 58 74
WIND DIR         SW NW NW NW NW NW NW NW  N  N  N  N  N  N  N  N  N  N SW SW  S
WIND SPD          1  6 13 16 13 14 14 13  8  9 10 13  8  8  6  6  3  3  2  2  4
CLOUDS           OV OV OV OV B2 B2 OV OV B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC
POP 12HR                    100          40          20          10           0
QPF 12HR                   0.11        0.03           0           0           0
SNOW 12HR                     2           1       00-00
SNOW              D  D  D  D  C  C  C  C  S  S
WIND CHILL                -2 -4 -7-13-14   -15-12-15
MIN CHILL                    -4   -13   -15   -15   -19    -8   -14   -18   -10
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 12/31/14  THU 01/01/15  FRI 01/02/15  SAT 01/03/15
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           -13    15       3    24       7    22       2    15
TEMP         -12  -12  5 13  7    4 16 20 10    9 19 19 12    8  7 10
DEWPT        -15  -17 -1  3  4   -2  6  9  8    5 10 15  8    4 -2  7
PWIND DIR           S     S      SW    SW      SW    NW       N    NW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC   SC SC SC SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR            5     5       5    10      30    50      40    40
SNOW                                       C    C  C  C  C    C  C  C

$$
MTZ055-282300-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
316 AM MST SUN DEC 28 2014

DATE                SUN 12/28/14            MON 12/29/14            TUE 12/30/14
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                      21          -6           9         -19          -4
TEMP             19 19 19 18 11  6  1  2 -2 -4  2  6  2 -5-11-12-14-19-11 -4-10
DEWPT            16 15 12 16 10  5  0 -1 -6 -9  1  3 -5 -9-19-21-21-25-19-14-16
RH               88 84 74 92 96 96 95 87 82 78 95 87 72 82 66 63 70 73 66 61 74
WIND DIR         SE  W NW NW NW NW  W  W  E  S NE  E  E  E NE NE NE NE NE NE  S
WIND SPD          2  2  6 10 11 10  8  5  3  2  3  3  3  3  2  2  3  3  2  2  3
CLOUDS           OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR                    100          70          20          10           0
QPF 12HR                   0.13        0.06        0.02           0           0
SNOW 12HR                     2           2           1
SNOW              D  D  D  D  L  L  C  C  S  S  S  S
WIND CHILL                   -3 -9
MIN CHILL                    -3   -13    -2    -4         -11   -14   -19   -10
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 12/31/14  THU 01/01/15  FRI 01/02/15  SAT 01/03/15
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           -19    15      -1    25       8    25       2    18
TEMP         -15   -8 11 10  2   -1 20 16  9   12 23 21 10    8 10 12
DEWPT        -26  -21 -5  0 -2   -3 14  8  6    8 21 19  6    3  2  7
PWIND DIR           S    SW      SW    SW      SW     W      NW     W
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC   SC SC SC SC   SC SC SC SC   SC B1 B1 B1   B1 B2 B2
POP 12HR            5     5       5    10      20    60      50    40
SNOW                                       S    S  L  L  C    C  C  C

$$
MTZ055-282300-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
316 AM MST SUN DEC 28 2014

DATE                SUN 12/28/14            MON 12/29/14            TUE 12/30/14
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                      23          -5          15         -19           5
TEMP             13 13 17 22 18 12  8  3 -2 -5  9 15  6 -4 -9-12-14-19 -3  5 -6
DEWPT             8  7  9 12 13  9  5  0 -5 -7  0  2  0 -8-13-16-19-22-14 -9-12
RH               80 76 70 65 80 87 87 87 87 91 66 55 76 82 82 82 77 85 58 51 74
WIND DIR         SW SW SW SW SW NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD          5  6  9  9  6  9  8  8  6  6  6  8  6  6  5  5  6  6  6  6  6
CLOUDS           B2 B2 OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR                    100          80          40          20           5
QPF 12HR                   0.12        0.08        0.02        0.01           0
SNOW 12HR                     2           2           1
SNOW              D  D  D  D  D  D  L  L  C  C  S  S
SNOWSHWRS                                             S  S
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 12/31/14  THU 01/01/15  FRI 01/02/15  SAT 01/03/15
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    17      -4    24       6    24       9    22
TEMP         -15  -20 10 10  2   -2 16 18 10    7 19 19 12   11 18 18
DEWPT        -22  -27 -7 -1 -2   -7  5 12  7    3 11 14 12    9 11 14
PWIND DIR          NE    NE       W    SE       S     S       S     S
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC   SC SC SC SC   SC SC SC B1   B1 B2 B2 B1   B1 B1 B1
POP 12HR            5     5       5     5      20    60      50    50
SNOW                                       S    S  L  L  C    C  C  C

$$
MTZ008-282300-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
316 AM MST SUN DEC 28 2014

DATE                SUN 12/28/14            MON 12/29/14            TUE 12/30/14
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                      24           0          10         -12           1
TEMP             21 22 22 24 17 10  6  5  2  1  6 10  2 -3 -6 -7 -9-12 -4  1 -6
DEWPT            11 12 13 13 10  6  3  2  0 -2  0 -1 -3 -7-11-14-18-20-16-13-14
RH               65 65 68 62 73 83 87 87 91 87 76 60 79 82 78 71 63 66 55 51 67
WIND DIR         SW SW SW  N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NW
WIND SPD         12 11 11  5 12 14 12 13  9 11 12 12 11 11 11 11  6  6  5  5  3
CLOUDS           OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC
POP 12HR                    100          40          10          10           5
QPF 12HR                   0.12        0.04           0           0           0
SNOW 12HR                     2           1       00-00
SNOW              D  D  D  D  C  C  C  C
WIND CHILL                      -7-10-13-12-15-11 -6-15-21-25-26
MIN CHILL                         -10   -15   -15   -15   -25   -27   -12    -6
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 12/31/14  THU 01/01/15  FRI 01/02/15  SAT 01/03/15
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           -14    20       7    28      14    28      11    25
TEMP         -13  -12 12 14  8    8 20 20 14   15 23 23 16   13 19 19
DEWPT        -21  -21 -9 -7  2    1  8 12  9   11 20 21 13    7 14 15
PWIND DIR          SW    SW      SW    SW      SW    SW       S     S
WIND CHAR          LT    LT      LT    LT      GN    GN      LT    GN
AVG CLOUDS    SC   SC SC SC SC   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1
POP 12HR            5     5       5    10      20    30      40    40
SNOW                                       S    S  C  C  C    C  C  C

$$
MTZ011-282300-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
316 AM MST SUN DEC 28 2014

DATE                SUN 12/28/14            MON 12/29/14            TUE 12/30/14
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                      20          -3           6         -18           1
TEMP             21 19 16 16 12  7  4  3  4 -2 -3 -3-10-13-15-16-18-15 -4  1 -2
DEWPT            16 16 13 10  4  3 -1 -3 -2 -6 -9-13-16-15-16-18-20-18-10 -9 -6
RH               81 88 88 77 70 83 79 75 75 82 75 61 74 90 95 90 90 86 75 62 82
WIND DIR         NE NE NE NE NE NE NE NE NE  N  N  N  N  N  N  N  W  W SW SW SW
WIND SPD         11 12 16 17 14 14 11 11  8  6  6  9  6  6  5  5  5  5 10 10 11
CLOUDS           OV OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR                     90          20           5           5           0
QPF 12HR                   0.06           0           0           0           0
SNOW 12HR                     1       00-00       00-00
SNOW              D  D  L  L  S  S
WIND CHILL                   -4-11-12-13         -19                  -21-14-19
MIN CHILL                    -4   -13   -13    -3   -24   -15   -18   -21   -19
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 12/31/14  THU 01/01/15  FRI 01/02/15  SAT 01/03/15
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            -5    26      14    28      11    15      -6     4
TEMP           0    9 19 19 14   15 23 23 16   15 11  8 -2   -3 -2 -4
DEWPT         -2    7  8  8  9    9 18 19 13    9  5  5 -3   -4 -6 -5
PWIND DIR          SW     W       W     W      NW     N       N    NE
WIND CHAR          GN    GN      GN    LT      LT    LT      LT    LT
AVG CLOUDS    SC   SC SC SC SC   SC B1 B1 B1   B1 B1 B1 B2   B2 B1 B1
POP 12HR            5     5       5    20      30    40      30    30
SNOW                                 S  S  C    C  C  C  C    C  C  C

$$
MTZ051-282300-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
316 AM MST SUN DEC 28 2014

DATE                SUN 12/28/14            MON 12/29/14            TUE 12/30/14
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                      23          -5           5         -19           2
TEMP             22 20 16 13  9  5  4 -2 -3 -5 -1  0-10-15-16-17-18-17 -4  2 -2
DEWPT            15 15 12  9  6  2 -1 -6 -7 -9 -7 -8-15-18-20-21-22-20-15-12-10
RH               74 81 84 84 87 87 79 82 82 82 75 68 78 86 81 81 81 86 58 51 68
WIND DIR         SW NW  N  N  N NE NE NE NE  N  N  N  N  N NW NW  W  W  W  W SW
WIND SPD          4  3 10 12 11 11 10  9  6  4  6  6  5  5  5  5  5  5  6  6  8
CLOUDS           OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR                    100          70          20          10           5
QPF 12HR                   0.13        0.04           0           0           0
SNOW 12HR                     2           1       00-00
SNOW              D  D  D  D  L  L  C  C  S  S
WIND CHILL                -1 -6-11-12-18
MIN CHILL                    -6   -12   -19    -5   -10   -16   -18   -18    -2
WINTER WEATH      Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE               WED 12/31/14  THU 01/01/15  FRI 01/02/15  SAT 01/03/15
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            -5    30      15    33      11    19      -5    10
TEMP          -2    6 24 21 18   17 28 25 13   12 16 13  1   -3  3  1
DEWPT        -13   -9  3 13  5    1 15 16  7    7 10 10  0   -3 -1 -1
PWIND DIR          SW     W       W     W       W    NW       N    NW
WIND CHAR          GN    GN      GN    LT      LT    GN      LT    LT
AVG CLOUDS    SC   SC SC SC SC   SC SC SC B1   B1 B1 B1 B2   B2 B1 B1
POP 12HR            5     5       5    10      30    60      40    30
SNOW                                       C    C  L  L  C    C  C  C

$$



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