Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 212237
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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BILLINGS MT
337 PM MST SUN DEC 21 2014

MTZ035-221100-
BILLINGS-YELLOWSTONE MT
45.81N 108.53W ELEV. 3648 FT
337 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         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                      34          41          25          39          26
TEMP             46 44 41 38 36 35 39 40 35 32 31 29 27 25 34 39 30 27 26 27 27
DEWPT            30 20 26 23 22 23 22 23 26 25 21 19 21 18 18 19 18 16 15 15 15
RH               53 38 55 54 56 61 50 50 69 75 66 66 78 74 51 44 60 63 62 60 60
WIND DIR         NW  W  W  W  W  W NW NW NW  W  W  W  W  W  W  W SW SW SW SW SW
WIND SPD         40 33 27 25 24 24 25 24 20 14 13 14 13 13 20 21 23 23 25 25 14
WIND GUST        56 47 39 35       35                                  35 35
CLOUDS           B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B2
POP 12HR                     20          20          20           5           5
QPF 12HR                      0        0.01           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS        S  S  S  S  S  S  S  S
SNOWSHWRS               S  S  S  S  S  S  S  S  S  S
WIND CHILL             30 26 24 22 28    23 21 20 17 16 13 22 28 16 12 11 11 15
MIN CHILL              30    24    22    23    20    16    13    16    11    11
HIGH WIND         W  W  W


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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          41      29    34      15    30      14    31      15    29
TEMP          36 30 32   31 33 27 18   16 22 25 18   15 24 27 22   19 18 27
DEWPT         21 22 26   20 20 18 14   11 14 16  9    9 13 15 13    8 11 14
PWIND DIR        SW       N     N       W     W       W    SW       W     W
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 OV   OV OV OV B1   B1 B1 B1 SC   SC SC SC B1   B1 B1 B1
POP 12HR         20      60    60      30    10      10    10      20    20
RAIN SHWRS        S
SNOW                 L    L  L  L  C    C                      S    S  S  S

$$
MTZ065-221100-
LIVINGSTON-PARK MT
45.70N 110.47W ELEV. 4656 FT
337 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         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                      31          37          16          34          23
TEMP             38 35 34 33 32 31 36 36 31 26 23 22 19 16 27 34 25 23 24 24 24
DEWPT            24 25 27 24 21 24 19 19 21 19 17 18 13 10 10 14  7  6 16  6  9
RH               57 66 75 69 63 75 50 50 66 74 77 84 77 77 48 43 46 47 71 45 52
WIND DIR         SW SW  W  W  W  W  W  W  W  W  W  W  W  W SW SW SW SW SW SW SW
WIND SPD         39 39 35 33 32 32 25 25 18 12 12 16 20 23 26 26 35 35 42 42 42
WIND GUST        55 55 49 47 44 44 35 35                   36 36 49 49 59 59 59
CLOUDS           B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B2
POP 12HR                     40          40          20           5           5
QPF 12HR                   0.03        0.04           0           0           0
SNOW 12HR                     T           T       00-00
RAIN SHWRS        C  C
SNOWSHWRS               C  C  C  C  C  C  S  S  S  S                          C
WIND CHILL       24 20 19 18 17 16 24 24 19 15 12  8  3 -2 11 21  7  4  5  4  4
MIN CHILL        24    19    17    16    19    12     3    -2     7     4     4
WIND              Y  Y  Y  Y  Y  Y  Y


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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          41      28    36      12    29      12    32      18    32
TEMP          35 33 29   36 36 30 18   14 24 22 12   14 26 29 26   23 18 22
DEWPT         20 20 22   21 19 18 10    9 12 14  5    6 14 15 16   11  9 11
PWIND DIR        SW       W    NW       W     W      SW    SW      SW    SW
WIND CHAR        VW      BZ    GN      LT    GN      GN    BZ      BZ    GN
AVG CLOUDS    B2 B2 OV   OV OV OV B1   B1 B1 B1 SC   SC SC SC B2   B2 B2 B2
POP 12HR         30      70    70      40    10      10    20      20    20
RAIN SHWRS        C
SNOW                 L    L  L  L  C    C                S  S  S    S  S  S
SNOWSHWRS      C  C

$$
MTZ032-221100-
MILES CITY-CUSTER MT
46.42N 105.90W ELEV. 2628 FT
337 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         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                      29          34          22          35          20
TEMP             41 40 37 34 31 29 33 34 30 28 26 25 24 22 31 35 25 22 20 20 21
DEWPT            38 36 30 26 22 22 23 26 28 27 24 22 21 22 22 23 21 17 15 14 14
RH               89 85 75 72 69 75 66 72 92 96 92 88 88100 69 61 84 81 81 77 74
WIND DIR          W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW  W  W  S  S SW
WIND SPD         19 24 25 24 25 25 27 27 23 18 16 16 13 12 11 11  6  6  6  6 11
WIND GUST              35    35 35 39 39
CLOUDS           OV OV OV OV B2 B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC B2
POP 12HR                     40          70          30          10          10
QPF 12HR                   0.05        0.11        0.04           0           0
SNOW 12HR                     T           1           T
RAIN SHWRS        C  C
SNOWSHWRS               C  C  L  L  L  L  C  C  S  S                          S
WIND CHILL          29 25 22 17 15 19 20 16 15 14 12 12 10                   10
MIN CHILL        31    25    17    14    16    14    11    10    18    11    10


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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          40      25    31      13    27      14    29       9    26
TEMP          35 35 34   27 29 24 18   15 19 22 19   17 21 24 15   13 15 24
DEWPT         25 30 29   18 19 19 14   12 14 16 14   14 14 15 11    8  9 13
PWIND DIR         W       N     N      NW    NW       W     W      NW    NW
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 OV   OV OV OV B2   B2 B2 B2 SC   SC SC SC B1   B1 B1 B1
POP 12HR         30      40    30      20    10      10    20      20    20
RAIN SHWRS        C
SNOW                 C    C  C  C  S    S                S  S  S    S  S  S
SNOWSHWRS      S

$$
MTZ033-221100-
BAKER-FALLON MT
46.38N 104.24W ELEV. 2969 FT
337 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         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                      27          30          21          30          15
TEMP             37 36 34 31 29 27 30 29 26 25 23 22 22 22 26 30 24 19 15 16 19
DEWPT            35 35 32 29 26 22 26 26 24 21 22 19 19 20 20 23 22 17 13 11 15
RH               92 96 92 92 88 81 85 88 92 84 96 88 88 92 78 75 92 92 92 80 84
WIND DIR          W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W SW
WIND SPD         18 21 23 24 25 25 28 28 25 20 19 18 18 18 18 18 10 10  6  6 12
WIND GUST                    35 35 40 40 35
CLOUDS           OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 SC SC B2
POP 12HR                     70          80          60          20          10
QPF 12HR                   0.13        0.19        0.06        0.01           0
SNOW 12HR                     1           2           1
RAIN SHWRS        L  L
SNOWSHWRS               L  L  D  D  D  D  L  L  C  C  S  S
OBVIS                        BS BS BS BS BS BS
WIND CHILL       26 24 21 18 15 12 15 14 11 10  9  8  8  7 13 17     8        6
MIN CHILL        26    21    15    12    11     9     8     7    13     4     5
WINTER WEATH               Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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      22    30      10    23      12    25       7    22
TEMP          34 35 33   26 28 21 14   12 19 18 15   13 22 19 14   11 17 19
DEWPT         25 31 29   17 19 19 12    9 14 15 12   10 15 14 11    7 10 11
PWIND DIR         W      NW     N      NW    NW       W    NW      NW    NW
WIND CHAR        GN      GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 OV OV B2   B2 B1 B1 B1   B1 SC SC B1   B1 B2 B2
POP 12HR         20      30    30      20    10      10    20      20    20
RAIN SHWRS        S
SNOW                 C    C  C  C  S    S                S  S  S    S  S  S
SNOWSHWRS         S

$$
WYZ099-221100-
SHERIDAN-SHERIDAN WY
44.80N 106.96W ELEV. 4019 FT
337 PM MST SUN DEC 21 2014

DATE          SUN 12/21/14      MON 12/22/14            TUE 12/23/14         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                      30          37          22          35          18
TEMP             41 38 35 33 31 31 36 37 33 29 27 25 24 22 31 34 22 18 20 23 25
DEWPT            31 30 25 20 17 18 24 25 24 22 19 17 14 13 19 21 15  4  6  9 14
RH               67 73 66 58 56 58 61 61 69 75 71 71 65 68 61 58 74 53 54 54 62
WIND DIR         NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW SE SE  W  W  W
WIND SPD         41 40 32 28 28 33 35 35 31 26 24 20 18 17 13 12  0  0  1  1  6
WIND GUST        57 56 44 40 40 47 49 49 43 36
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC B1
POP 12HR                     40          40          40          10           5
QPF 12HR                   0.03        0.06        0.03           0           0
SNOW 12HR                 00-00           T           T
RAIN SHWRS        C  C        C  C
SNOWSHWRS               C  C  C  C  C  C  C  C  S  S
WIND CHILL       27 23 21 19 17 15 22 23 19 15 12 11 10  8
MIN CHILL        27    21    17    15    19    12    10     7    15    18    17
HIGH WIND         W  W  W


DATE           12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14  SUN 12/28/14
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          42      25    33      12    30      11    34      13    30
TEMP          38 34 36   27 32 22 17   14 25 17 11   11 28 23 20   17 25 23
DEWPT         30 23 28   16 19 17 12    9 14 12  7    6 15 14 13   10 15 14
PWIND DIR        SW      NW     N      NW     W       W     W       W    NW
WIND CHAR        LT      GN    GN      LT    LT      LT    GN      GN    GN
AVG CLOUDS    B1 B1 B2   B2 OV OV B1   B1 B1 B1 SC   SC SC SC B1   B1 B1 B1
POP 12HR         20      60    60      30    10      10    10      20    20
RAIN SHWRS        S
SNOW                 L    L  L  L  C    C                      S    S  S  S

$$



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