Point Forecast Matrices
Issued by NWS Glasgow, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GLASGOW MT
830 PM MST SAT DEC 20 2014

MTZ017-211100-
GLASGOW-VALLEY MT
48.22N 106.61W ELEV. 2293 FT
830 PM MST SAT DEC 20 2014

DATE          SAT 12/20/14      SUN 12/21/14            MON 12/22/14         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                      22          37          27          32          19
TEMP                   28 26 25 22 30 37 31 30 30 29 28 27 30 32 25 23 23 22 21
DEWPT                  22 21 21 18 25 30 26 26 26 25 25 24 25 26 20 19 19 18 17
RH                     78 81 84 84 81 75 81 85 85 85 88 88 81 78 81 84 84 84 84
WIND DIR                E  E SE SE SE  W NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD                6  8  8  6  6 10 13 14 17 18 20 20 20 18 14 14 13 13 13
CLOUDS                 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR                     10          60          40          30          10
QPF 12HR                      0        0.04        0.03        0.03           0
SNOW 12HR                 00-00       00-00           T
FRZG RAIN                     L  L
RAIN                          L  L  L  L
RAIN SHWRS                                S  S
SLEET                         S  S  C  C
SNOWSHWRS                                       C  C  C  C  S  S
WIND CHILL                                  19 18 17 15 13 17 20 12 10 10  9  8
MIN CHILL              19    15    13    20    18    14    13    11     9     7
FRZNG RAIN                    Y  Y  Y


DATE           12/23/14  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          30      15    28      16    23       8    20       6    20
TEMP          25 21 19   17 22 21 19   17 20 14 12    9 14 12 10    8 14 14
DEWPT         21 17 15   13 18 17 16   14 16 10  8    6 10  7  6    4  9  9
PWIND DIR        NW       W     W       N     N      NW     W       W     W
WIND CHAR        GN      LT    GN      LT    GN      GN    GN      GN    GN
AVG CLOUDS    B1 B1 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1
POP 12HR         10      20    20      30    20      20    20      10    10
SNOW                 S    S  S  S  C    C  S  S  S    S  S  S

$$
MTZ020-211100-
WOLF POINT-WESTERN ROOSEVELT MT
48.10N 105.58W ELEV. 1985 FT
830 PM MST SAT DEC 20 2014

DATE          SAT 12/20/14      SUN 12/21/14            MON 12/22/14         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                      20          38          26          33          19
TEMP                   24 23 23 20 31 38 33 29 28 28 27 26 30 33 27 22 21 21 20
DEWPT                  19 19 19 16 26 32 29 26 25 25 25 23 26 26 22 19 18 18 17
RH                     81 84 84 84 81 79 85 88 88 88 92 88 85 75 81 88 88 88 88
WIND DIR               NW  E  E  E SE  W  W NW  W  W NW NW NW NW NW NW NW NW NW
WIND SPD                3  5  2  2  3  8 12 13 14 17 19 19 21 20 13 13 12 12 12
CLOUDS                 SC SC B1 B1 OV OV B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                      5          60          50          40          20
QPF 12HR                      0        0.04        0.03        0.06           0
SNOW 12HR                 00-00       00-00           T
FRZG RAIN                     C  C
RAIN                          C  C  L  L
RAIN SHWRS                                C  C
SLEET                         S  S  C  C
SNOW                                                              S  S  S  S
SNOWSHWRS                                       C  C  C  C  S  S
WIND CHILL                                     17 15 14 13 17 21 16 10  8  8  7
MIN CHILL              18    15    20    23    16    14    12    15     7     6


DATE           12/23/14  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          31      13    29      14    24       5    19       5    21
TEMP          26 23 16   15 22 23 16   16 20 16  8    7 13 13  7    7 15 15
DEWPT         21 18 13   12 18 18 14   13 15 11  5    4  9  8  4    3  9 10
PWIND DIR        NW       W     W       N     N      NW     W       W     W
WIND CHAR        GN      LT    GN      LT    LT      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1
POP 12HR         10      20    10      30    20      20    20      10    10
SNOW                 S    S        C    C  S  S  S    S  S  S

$$
MTZ022-211100-
JORDAN-GARFIELD MT
47.33N 106.95W ELEV. 2661 FT
830 PM MST SAT DEC 20 2014

DATE          SAT 12/20/14      SUN 12/21/14            MON 12/22/14         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                      25          47          29          36          21
TEMP                   31 30 29 25 40 47 37 34 34 33 32 29 34 36 28 25 26 24 24
DEWPT                  25 25 24 21 32 35 31 30 31 30 29 26 27 26 23 22 22 22 21
RH                     78 81 81 84 73 63 79 85 89 89 88 88 75 67 81 88 85 92 88
WIND DIR               SW SW SW SW  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD                8 10  6 10 11 16 16 18 20 23 24 23 24 23 17 17 16 16 14
CLOUDS                 SC SC B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC
POP 12HR                     10          70          20          30          20
QPF 12HR                      0        0.08        0.02        0.03           0
SNOW 12HR                 00-00       00-00           T
FRZG RAIN                     L  L
RAIN                          L  L  C  C
RAIN SHWRS                                S  S
SNOW                                                              S  S  S  S
SNOWSHWRS                                       S  S  C  C  S  S
WIND CHILL                                  23 23 21 19 15 21 25 16 12 13 12 11
MIN CHILL              21    19    15    27    21    19    15    15    10    11
FRZNG RAIN                    Y  Y  Y


DATE           12/23/14  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          39      19    34      18    26      10    23       9    26
TEMP          33 28 25   22 29 25 23   21 24 17 15   13 19 15 13   12 21 18
DEWPT         26 22 21   20 22 20 20   18 17 12 12   10 12 10 10    9 13 12
PWIND DIR        NW       W     W       N     N      NW     W       W     W
WIND CHAR        GN      GN    GN      LT    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC   SC B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 SC   SC B1 B1
POP 12HR         10      10    30      40    30      20    20      10    10
SNOW                         C  C  C    C  C  C  S    S  S  S

$$
MTZ024-211100-
SIDNEY-RICHLAND MT
47.70N 104.20W ELEV. 1985 FT
830 PM MST SAT DEC 20 2014

DATE          SAT 12/20/14      SUN 12/21/14            MON 12/22/14         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                      21          37          27          30          20
TEMP                   22 22 23 22 32 37 32 29 27 27 27 27 29 30 25 22 20 20 21
DEWPT                  19 18 19 19 27 30 29 27 26 25 26 26 25 24 22 21 19 19 20
RH                     88 84 84 88 81 75 88 92 96 92 96 96 85 78 88 96 96 96 96
WIND DIR               SW  S  S  S  S SW  W  W  W NW NW NW NW NW NW NW NW NW NW
WIND SPD                9  9  5  6  8 10 10 12 16 17 19 19 20 20 14 14 13 13 13
CLOUDS                 SC SC B1 B1 OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                      5          80          60          70          20
QPF 12HR                      0        0.05        0.09        0.19           0
SNOW 12HR                 00-00       00-00           1
FRZG RAIN                     S  S
RAIN                          S  S  D  D
RAIN SHWRS                                C  C
SLEET                         S  S
SNOW                                                              S  S  S  S  S
SNOWSHWRS                                       L  L  L  L  C  C
WIND CHILL                11                18 15 15 14 14 16 17 12  8  7  7  8
MIN CHILL              11    10    12    23    15    14    14    12     6     5


DATE           12/23/14  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          31      15    31      16    24       8    21       8    23
TEMP          28 23 16   16 26 23 17   17 22 16  9    9 17 14  9    9 18 17
DEWPT         22 19 14   15 21 20 15   15 17 13  7    8 12 11  7    8 13 14
PWIND DIR        NW       W     W      NE     N      NW    NW       W     W
WIND CHAR        GN      GN    GN      LT    LT      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1
POP 12HR         20      20    10      30    30      20    20      10    10
SNOW           S  S  S    S        C    C  C  C  S    S  S  S

$$
MTZ025-211100-
GLENDIVE-DAWSON MT
47.13N 104.80W ELEV. 2457 FT
830 PM MST SAT DEC 20 2014

DATE          SAT 12/20/14      SUN 12/21/14            MON 12/22/14         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                      23          41          29          31          21
TEMP                   27 25 27 23 36 41 35 33 30 30 31 29 30 31 26 24 23 22 23
DEWPT                  21 21 22 20 29 32 29 28 27 26 27 26 25 24 22 21 20 20 20
RH                     78 84 81 88 75 70 78 82 88 85 85 88 81 75 85 88 88 92 88
WIND DIR               SW  S  S  S  S SW  W  W  W  W NW NW NW NW NW NW NW NW NW
WIND SPD                8  9  5  5  8 13 14 14 18 20 23 24 24 25 17 17 14 14 13
WIND GUST                                                  34
CLOUDS                 SC SC B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2
POP 12HR                      5          80          50          50          20
QPF 12HR                      0        0.06        0.04        0.12           0
SNOW 12HR                 00-00       00-00           T
FRZG RAIN                     S  S
RAIN                          S  S  D  D
RAIN SHWRS                                C  C
SNOW                                                              S  S  S  S  S
SNOWSHWRS                                       C  C  C  C  C  C
WIND CHILL                                  22 19 17 17 15 17 17 13 11 10  8 10
MIN CHILL              16    14    16    24    18    15    14    13     8     8


DATE           12/23/14  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          34      17    33      18    26      10    21       9    24
TEMP          30 25 19   20 28 26 20   20 24 18 12   13 18 15 11   11 19 18
DEWPT         24 20 16   16 22 20 18   18 18 13  9    9 12 10  8    7 13 12
PWIND DIR        NW       W     W       N     N      NW    NW       W     W
WIND CHAR        GN      GN    GN      LT    LT      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1
POP 12HR         20      20    10      30    30      20    20      10    10
SNOW           S  S  S    S        C    C  C  C  S    S  S  S

$$



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