Point Forecast Matrices
Issued by NWS Great Falls, MT

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5
000
FOUS55 KTFX 110405
PFMTFX

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
905 PM MST SAT DEC 10 2016

MTZ012-111100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
905 PM MST SAT DEC 10 2016

DATE          SAT 12/10/16      SUN 12/11/16            MON 12/12/16         TUE
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          26          -1           5          -8
TEMP                    3  5 11 16 20 25 16  9  3  4  2 -1  2  3  3 -5 -1 -6 -4
DEWPT                  -1  1  5 10 13 17 10  5 -3 -2 -5 -6 -7 -7 -5-11-11-14-10
RH                     83 83 76 77 74 71 77 83 75 75 72 79 65 62 68 74 61 67 75
WIND DIR               NW SW SW SW SW  W  W  W  N  N  N  N  W  W  W  W SW SW  W
WIND SPD                3  3  5 10 11 12 10 10 11 10 11 11  8  8  8  8  8  8  8
CLOUDS                 SC SC B1 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B1 B1 SC
POP 12HR                     10          10          60          60          20
QPF 12HR                      0           0        0.09        0.03           0
SNOW 12HR                 00-00       00-00           2
SNOW                                      C  C  L  L  L  L  C  C  S  S
WIND CHILL             -4 -2                -5-13-11-15-18-12-11-11-20-15-21-19
MIN CHILL              -6    -3               -13   -15   -18   -11   -20   -21


DATE           12/13/16  WED 12/14/16  THU 12/15/16  FRI 12/16/16  SAT 12/17/16
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     -10     5      -8     2      -9    -2     -15     7
TEMP           1 -3 -9   -9  3  1 -5   -8 -2  2  1   -1-11-13-14  -13-11  6
DEWPT         -9 -7-16  -17-10 -6-12  -14-10 -4 -4   -9-19-17-19  -21-20  2
PWIND DIR         W       W    SW       S     W      NW    NW       W    SW
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW FW   FW FW FW FW   FW SC SC B2   B2 B2 B2 B1   B1 SC SC
POP 12HR          5       5     5      10    20      30    30      20    10
SNOW                                       S  S  C    C  C  C  S    S

$$
MTZ010-111100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
905 PM MST SAT DEC 10 2016

DATE          SAT 12/10/16      SUN 12/11/16            MON 12/12/16         TUE
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                     -10           5          -6           3         -14
TEMP                   -7 -4 -1  2  3  2 -2 -3 -4 -5 -3 -6 -1  3 -2 -9 -8-13-12
DEWPT                 -10 -9 -6 -2  0 -3 -7-10-12 -9-11-10-10 -6 -8-16-17-18-16
RH                     86 78 79 83 87 79 79 71 67 82 68 82 65 65 75 70 64 77 82
WIND DIR               NW NW  N  N  N  N  N  N  N  N NW NW  W  W  W  W  W  W NW
WIND SPD                4  3  3  4  6 10 11 12 13 13 12 12 10 10 10 10 10 10 10
CLOUDS                 B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B1 B1 SC SC FW
POP 12HR                     10          30          60          50          10
QPF 12HR                      0        0.02        0.07        0.01           0
SNOW 12HR                 00-00           T           1
SNOW                             S  C  C  C  C  L  L  C  C  S  S
WIND CHILL            -18-12 -9 -8 -9-14-20-22-24-25-22-25-17-12-19-27-26-32-31
MIN CHILL             -21   -15    -9   -20   -24   -25   -25   -19   -27   -32


DATE           12/13/16  WED 12/14/16  THU 12/15/16  FRI 12/16/16  SAT 12/17/16
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     -15     3     -11     1     -14    -5     -19     8
TEMP          -4 -8-14  -13  1 -2-10  -10  0 -3 -9  -14 -9-17-18  -16  0  8
DEWPT        -14-12-21  -19-10 -9-17  -15 -4 -6-12  -20-16-20-24  -23 -5  5
PWIND DIR         W       W    SW      SW    NW       N    NW      NW     W
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW FW   FW FW FW FW   FW SC SC B1   B1 B2 B2 SC   SC SC SC
POP 12HR          5       5     5       5    10      20    20      20    10
SNOW                                             S    S  S  S  S    S

$$
MTZ014-111100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
905 PM MST SAT DEC 10 2016

DATE          SAT 12/10/16      SUN 12/11/16            MON 12/12/16         TUE
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          33           7          13          -1
TEMP                   18 17 16 16 23 32 26 22 16 12  8  7  7 11 11  6  5  0  5
DEWPT                   9  8  7  8 14 20 15 14 10  7  3  4 -1  2  3  1  0 -2  3
RH                     67 67 67 70 68 61 62 71 77 80 79 87 69 66 69 79 79 91 91
WIND DIR               SW  S  S  S SW SW SW SW  W NW  N  N  N  N  N  N  N  N SW
WIND SPD                4  3  4  4  5  9  8  6  6  8  6  6  8  8  6  6  5  5  5
CLOUDS                 SC B1 B2 B1 B2 B1 B1 B1 B2 B2 OV OV OV OV OV OV B2 B2 SC
POP 12HR                     10          10          50          60          30
QPF 12HR                      0           0        0.08        0.07        0.02
SNOW 12HR                 00-00       00-00           1
SNOW                                      C  C  C  C  L  L  C  C  C  C  C  C  S
WIND CHILL                                           -3 -5 -6 -1    -6 -6-12 -6
MIN CHILL                                            -3    -6    -4    -7   -12


DATE           12/13/16  WED 12/14/16  THU 12/15/16  FRI 12/16/16  SAT 12/17/16
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          13      -5    12      -2     9      -6     1     -12     5
TEMP          12  3 -4   -3  9 11  0    0  9  3 -4   -5 -3 -7-11  -11 -1  5
DEWPT          4 -2 -9   -5 -2  2 -6   -4  0 -7-10   -8-12-16-15  -14-12 -3
PWIND DIR         W       N    SE      SE     E       N     N      NW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC SC   SC SC SC B1   B1 B1 B1 B1   B1 B2 B2 B2   B2 B1 B1
POP 12HR         20      10    10      10    20      30    30      20    10
SNOW           S                           S  S  C    C  C  C  S    S

$$
MTZ055-111100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
905 PM MST SAT DEC 10 2016

DATE          SAT 12/10/16      SUN 12/11/16            MON 12/12/16         TUE
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                      12          31          16          22           6
TEMP                   15 13 14 16 24 30 27 24 24 23 18 16 19 21 16 11 13  7 11
DEWPT                   9  7  7  8 15 19 20 18 18 17 13 12 13 11 11  7  8  3  7
RH                     77 76 73 70 68 63 74 77 77 77 80 84 77 65 80 83 80 83 83
WIND DIR                S SE SE SE SW SW SW SW SW SW SW SW  W  W  W  W  W  W SW
WIND SPD                4  4  3  3  5 10  9  9  9 10  8  8 10 10  8  8  6  6  6
CLOUDS                 SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR                     10          20          30          30          30
QPF 12HR                      0        0.01        0.06        0.05        0.03
SNOW 12HR                 00-00           T           1
SNOW                                S  S  C  C  C  C  C  C  C  C  C  C  C  C  S
WIND CHILL                                                          -1    -5
MIN CHILL                                                              -1    -5


DATE           12/13/16  WED 12/14/16  THU 12/15/16  FRI 12/16/16  SAT 12/17/16
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          19      -1    15       4    18      -2     9     -13     4
TEMP          16 12  2   -1  9 15  9    4 16 17 11    2 -1  2-10  -13 -1-10
DEWPT          8  6  0   -4 -1  6  2    0  6  6  7   -1-11 -5-14  -15-10-15
PWIND DIR         W      NE     E       E    NE       N    NE      NE    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B1 B1   B1 SC SC B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1
POP 12HR         20      10    20      20    20      30    30      20    10
SNOW           S  S          S  S  S    S  S  S  C    C  C  C  S    S

$$
MTZ055-111100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
905 PM MST SAT DEC 10 2016

DATE          SAT 12/10/16      SUN 12/11/16            MON 12/12/16         TUE
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           7          20           1
TEMP                   17 13 12 12 18 19 19 17 16 16 12  7 17 20 17  9 10  6  6
DEWPT                  13  9  8 10 14 13 16 14 13 14 10  6 10 11 12  7  7  4  4
RH                     84 84 84 91 84 77 88 88 88 92 91 96 73 67 80 91 87 91 91
WIND DIR               SW SW  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD                4  3  3  4  9 12 12 12 12 13 10 10 12 12 11 11 10 10  8
CLOUDS                 B1 B1 B2 OV B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     30          40          50          40          30
QPF 12HR                   0.02        0.03        0.10        0.08        0.03
SNOW 12HR                     T           1           2
SNOW                    C     S  S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  S
WIND CHILL                                           -1 -8          -6 -4 -9 -7
MIN CHILL                                            -1    -8          -6    -9


DATE           12/13/16  WED 12/14/16  THU 12/15/16  FRI 12/16/16  SAT 12/17/16
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      -4    18       4    20      -3    13     -14     2
TEMP          15 11  0   -3 15 18 12    4 19 18  4    0  2  7-12  -12  0-12
DEWPT          8  6 -1   -5  6 11 10    2 10 12  2   -2 -7  2-14  -13-10-18
PWIND DIR        SW       S    SE       S    SW      SW    NE       N     N
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B1 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1
POP 12HR         20      20    30      30    40      40    40      20    20
SNOW           S  S  S    S  C  C  C    C  C  C  C    C  C  C  S    S  S  S

$$
MTZ008-111100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
905 PM MST SAT DEC 10 2016

DATE          SAT 12/10/16      SUN 12/11/16            MON 12/12/16         TUE
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                      14          30          16          26           7
TEMP                   18 16 16 15 23 29 26 22 20 18 18 16 22 26 20 15 13 10 10
DEWPT                  11 10 10  9 14 17 18 15 14 13 13 12 15 13 13 10  8  6  6
RH                     73 77 77 77 68 60 71 74 77 80 80 84 74 57 74 80 80 83 83
WIND DIR                S  S  S  S SW SW  S SW SW SW SW SW SW SW  W  W SW SW SW
WIND SPD                8  8  8  9 11 11 11 11 12 11 10 10 11 11 10 10  9  9  9
CLOUDS                 SC B1 B2 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC
POP 12HR                     10          10          30          20          30
QPF 12HR                      0           0        0.04           0        0.02
SNOW 12HR                 00-00       00-00           1
SNOW                                      C  C  C  C  S  S  S  S  C  C  S  S  S
WIND CHILL                                                                -3 -3
MIN CHILL                                                                    -3


DATE           12/13/16  WED 12/14/16  THU 12/15/16  FRI 12/16/16  SAT 12/17/16
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          20       0    17       6    20      -2    10     -11     6
TEMP          15 15  4    1 12 17  8    8 19 19 11    2  1  9 -9  -11 -4  6
DEWPT          6  8  0   -3  0  8  3    4  8 13  6   -2-10  4-12  -16-15  0
PWIND DIR        SW      NE     E       E     S       E    NE      NE     S
WIND CHAR        GN      LT    LT      GN    LT      LT    GN      GN    LT
AVG CLOUDS    SC SC SC   SC B1 B1 OV   OV B1 B1 B1   B1 B2 B2 B2   B2 B1 B1
POP 12HR         20      10    20      20    20      30    30      20    10
SNOW           S             S  S  S    S  S  S  C    C  C  C  S    S

$$
MTZ011-111100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
905 PM MST SAT DEC 10 2016

DATE          SAT 12/10/16      SUN 12/11/16            MON 12/12/16         TUE
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          10          -4           2         -11
TEMP                   -2 -4 -6 -6  1  8  6  4  2  0 -1 -4 -3  1  0 -5 -6 -8-10
DEWPT                  -5 -9-10-11 -4  3 -1  0 -4 -4 -6 -7-11 -8 -6 -9-11-11-14
RH                     87 78 82 78 79 79 72 83 75 83 79 86 68 65 75 82 78 86 82
WIND DIR                W  W  W NW  N  N NW  N  N NW NW NW  W  W  W  W SW SW  W
WIND SPD                6  6  4  3  4  6  5  5  6  8  8  8 12 12  9  9 10 10  9
CLOUDS                 SC SC B1 OV OV OV OV OV OV OV OV OV OV OV B1 B1 SC SC SC
POP 12HR                     10          50          50          40          10
QPF 12HR                      0        0.02        0.04           0           0
SNOW 12HR                 00-00           T           1
SNOW                             S  C  C  C  C  C  C  C  C  S  S
WIND CHILL            -15-18-17-15 -9 -3 -4 -7-11-14-15-19-22-17-15-21-24-26-28
MIN CHILL             -15   -19   -17    -8   -11   -15   -22   -20   -24   -29


DATE           12/13/16  WED 12/14/16  THU 12/15/16  FRI 12/16/16  SAT 12/17/16
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           1     -11     1     -12    -1     -15    -5     -17     5
TEMP          -2 -4-10  -10 -1 -1 -9  -12 -1 -4 -7  -11-15-17-17  -15-14  5
DEWPT        -12-10-14  -14-11 -8-14  -15-10-10-10  -16-22-19-20  -16-22  0
PWIND DIR         W       W     W       S     W       N    NW       W    SW
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC SC   SC FW FW FW   FW SC SC B1   B1 B2 B2 B1   B1 SC SC
POP 12HR          5       5     5       5    10      20    30      20    10
SNOW                                             S    S  C  C  S    S

$$
MTZ051-111100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
905 PM MST SAT DEC 10 2016

DATE          SAT 12/10/16      SUN 12/11/16            MON 12/12/16         TUE
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          27          -6           1         -11
TEMP                    6  7  7 10 20 26 19 13  5  1 -3 -6 -3 -2  1 -9 -4 -6 -1
DEWPT                   2  2  0  2 11 17 12  9  2 -3 -9-10-11-10 -8-14-13-16-12
RH                     83 79 72 69 67 68 74 84 87 83 75 82 68 68 65 78 64 61 58
WIND DIR               SW SW SW SW SW  W  W  W  W NW NW NW  W  W  W  W SW SW SW
WIND SPD                5  5  5  6  8 10  8  9  8  8  8  8 10 10  9  9  8  8  6
CLOUDS                 SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B1 B1 SC
POP 12HR                     10          20          50          60          20
QPF 12HR                      0        0.01        0.03        0.01           0
SNOW 12HR                 00-00           T           1
SNOW                                   S  C  C  C  C  L  L  C  C  S  S  S  S
WIND CHILL             -4 -3 -3 -1             -8-13-18-21-20-19-14-26-19-21-14
MIN CHILL              -6    -3    -2          -8   -18   -21   -20   -26   -21


DATE           12/13/16  WED 12/14/16  THU 12/15/16  FRI 12/16/16  SAT 12/17/16
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     -11     7      -6     4     -13    -5     -18     4
TEMP           4 -4-10   -8  5  4 -3   -5  4 -6-12  -10-10-16-18  -13-11  3
DEWPT         -9-12-18  -19-11-11-10  -11 -7-13-15  -15-17-19-22  -21-20 -6
PWIND DIR         W       W    SW       S     W      NW    NW       W    SW
WIND CHAR        GN      GN    GN      GN    LT      GN    GN      GN    GN
AVG CLOUDS    SC SC FW   FW FW FW FW   FW SC SC B1   B1 B2 B2 B2   B2 SC SC
POP 12HR         10       5     5      10    20      30    30      20    10
SNOW                                       S  S  C    C  C  C  S    S

$$
WEATHER.GOV/GREATFALLS



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.