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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
241 PM MST Sun Nov 19 2017

MTZ012-201100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
241 PM MST Sun Nov 19 2017

Date          Sun 11/19/17      Mon 11/20/17            Tue 11/21/17         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                      40          46          23          45          42
Temp             45 42 42 41 43 42 46 39 30 24 24 23 25 27 36 43 43 44 47 53 55
Dewpt            21 20 19 18 27 29 33 29 23 20 19 17 19 21 24 31 32 38 41 44 45
RH               38 41 39 39 53 60 60 67 75 84 81 77 78 78 61 62 65 79 79 71 69
Wind dir         SW SW SW SW SW SW SW NW  N  N  N  N  E SE  S SW  S SW SW SW SW
Wind spd         24 24 26 23 25 19 13  9 10  5  5  4  5  5  8 10 10 13 18 23 20
Wind gust        36 35 41 35 37 31
Clouds           B2 B1 B1 SC B2 OV B1 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 OV OV B2 B1
PoP 12hr                      0          30          30          20          20
QPF 12hr                      0        0.01        0.01           0        0.02
Snow 12hr                 00-00       00-00           T
Rain                                                              S  S  S  S
Rain shwrs                    S  S  C  C                    S  S
Snowshwrs                              C  C  C  S  S  S  S
High Wind         W  W  W  W  W


Date           11/22/17  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          63      46    62      43    51      31    44      29    42
Temp          63 55 47   49 62 54 45   44 51 43 33   33 44 39 31   30 40 40
Dewpt         48 37 38   39 40 36 35   33 33 22 24   25 28 23 25   23 27 27
PWind dir        SW      SW    SW      SW    SW      SW    SW      SW     S
Wind char        BZ      BZ    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    B1 B1 SC   SC SC SC SC   SC SC B1 SC   SC B1 SC B1   B1 B1 B2
PoP 12hr         10       5     5      10    10      10    10      10    10

$$
MTZ010-201100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
241 PM MST Sun Nov 19 2017

Date          Sun 11/19/17      Mon 11/20/17            Tue 11/21/17         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          36          15          36          34
Temp             36 34 45 42 39 36 30 25 20 19 15 15 15 18 24 33 32 37 41 46 50
Dewpt            20 17 26 29 30 31 23 16 15 14 13 11 13 15 19 26 28 34 39 40 43
RH               52 49 47 60 70 82 75 68 81 80 92 84 92 88 81 75 85 89 92 79 77
Wind dir         SW SW  W SW  W NW  N  N NE  N NE  E SE SE  S  S  S  S SW SW  W
Wind spd         20 23 29 40 31 11 13 12 14  9  6  6  8  8 10 10 11 11 13 19 20
Wind gust                 56 43                                           29 33
Clouds           B2 B1 SC B2 B1 SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B1 B1
PoP 12hr                      5          30          50          20          20
QPF 12hr                      0        0.02        0.01           0        0.01
Snow 12hr                 00-00           T           T
Rain                                                                 S
Rain shwrs                    C                                S
Snow                                                              S
Snowshwrs                     C  C  C  C  C  C  S  S  S  S  S
High Wind         W  W  W  W


Date           11/22/17  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          56      41    57      37    46      26    39      23    37
Temp          56 44 41   45 57 50 42   37 46 40 29   28 39 34 26   24 35 35
Dewpt         44 35 37   38 41 38 36   30 30 26 23   24 25 26 23   21 26 29
PWind dir         W      SW    SW      SW     W       W     W      SW    NW
Wind char        BZ      BZ    WY      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1
PoP 12hr          5       5    10      10    10      10     5       5    10

$$
MTZ014-201100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
241 PM MST Sun Nov 19 2017

Date          Sun 11/19/17      Mon 11/20/17            Tue 11/21/17         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          45          28          47          37
Temp             31 31 32 35 35 33 41 45 41 35 32 30 30 29 40 47 41 39 39 37 39
Dewpt            20 19 18 18 24 27 31 35 33 30 29 27 27 27 32 39 34 34 35 34 35
RH               63 61 56 49 64 78 67 68 73 82 88 88 88 92 73 74 76 82 85 89 85
Wind dir          S  S  S SW SW SW SW  W  W  W  W  W SW SW SW SW SW  S  S  S SW
Wind spd          6  8 10 11  9  4  5  6  6  4  3  3  4  3  4  4  5  6  6  8  6
Wind gust        19    24 24
Clouds           B1 SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2
PoP 12hr                      0          30          30          20          20
QPF 12hr                      0        0.02        0.02           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                                              S  S  S  S
Rain shwrs                          C  C  C  C              S  S
Snowshwrs                     C  C              S  S  S  S
High Wind         W  W  W  W  W


Date           11/22/17  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          58      37    58      38    48      28    40      26    42
Temp          55 56 43   38 55 56 47   38 46 46 33   28 37 39 31   26 39 41
Dewpt         44 42 36   33 39 40 39   32 34 30 27   24 30 27 26   22 27 32
PWind dir        SW       S    SW      SW     W      SW    SW      SW    SW
Wind char        LT      LT    LT      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1 B1   B1 SC SC SC   SC B1 B1 SC   B1 B1 SC SC   SC B1 B1
PoP 12hr         10       5    10      20    30      20    20      10    10
Rain                                    S  C  S       S  S  S
Snow                                                  S  S

$$
MTZ055-201100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
241 PM MST Sun Nov 19 2017

Date          Sun 11/19/17      Mon 11/20/17            Tue 11/21/17         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          43          28          46          35
Temp             29 28 30 31 31 30 41 43 39 33 31 29 31 29 41 46 42 36 36 37 39
Dewpt            21 17 16 16 18 22 31 32 30 29 27 25 27 26 35 37 34 32 32 33 35
RH               72 63 55 53 58 72 67 65 70 85 85 85 85 88 79 71 73 85 85 85 85
Wind dir          S SE  S  S  S  S SW SW SW SW SW SW SW  S SW SW SW  S SW SW SW
Wind spd          8  9  9 14 10  6 10 10  9  6  5  5  6  4  5  9  8  8  8  6  8
Wind gust        21 23 25 28 23
Clouds           SC B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV
PoP 12hr                      0          30          30          30          20
QPF 12hr                      0        0.03        0.04           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                                              S  S  S  S  S
Rain shwrs                          C  C  C  C              C  C
Snowshwrs                     C  C              C  C  C  C


Date           11/22/17  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          56      35    57      35    48      25    40      23    42
Temp          54 53 39   37 54 54 38   37 48 43 30   26 39 34 25   25 40 40
Dewpt         48 42 33   33 43 40 30   31 41 30 25   22 31 25 22   20 32 29
PWind dir        SW      SW    SW      SW     W      SW    SW       S     S
Wind char        LT      LT    LT      GN    LT      LT    LT      LT    LT
Avg clouds    B2 B2 B1   B1 B1 SC SC   SC B2 B2 B1   B1 B1 SC B1   B2 B1 B1
PoP 12hr         20      10    10      10    30      30    20      10    20
Rain           S                           S  C          S  S          S
Snow                                                  C  S             S

$$
MTZ055-201100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
241 PM MST Sun Nov 19 2017

Date          Sun 11/19/17      Mon 11/20/17            Tue 11/21/17         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                      17          33          24          39          29
Temp             18 19 20 19 19 25 28 33 32 30 25 24 26 28 36 39 36 32 32 29 31
Dewpt            13 14 14 13 13 17 20 23 26 26 21 22 25 24 30 34 31 28 27 28 29
RH               80 80 77 77 77 71 71 66 78 85 84 92 96 85 79 82 82 85 81 96 92
Wind dir         SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  S SW SW SW SW SW
Wind spd          4  5  5  8  6  8  9 10  9  8  5  5  6  5  5  6  6  6  5  5  4
Wind gust        14 20 21 19
Clouds           SC SC B1 SC B2 OV OV OV OV OV OV B2 OV OV OV OV OV OV OV B2 OV
PoP 12hr                      5          60          60          40          40
QPF 12hr                      0        0.13        0.11        0.05        0.06
Snow 12hr                 00-00           2           1
Rain                                                              C
Rain shwrs                                                  C  C
Snow                                                                 C  C  C  C
Snowshwrs                     C  C  L  L  L  L  C  C  C  C  C


Date           11/22/17  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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      30    44      28    41      22    37      20    38
Temp          39 41 34   31 43 41 32   29 40 38 28   22 34 36 25   21 34 37
Dewpt         35 37 29   30 37 34 26   28 35 28 24   21 30 30 17   20 28 27
PWind dir        SW       S     S      SW    SW      SW    SW       S     S
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    OV B2 B2   B2 B2 B2 B1   B2 B2 B2 B2   B1 B1 B1 B2   B2 B2 B1
PoP 12hr         30      20    10      30    40      40    30      20    30
Rain           C  S       S                C  C  C          S  S          C
Snow           C          S             C  C     C    C  C  S  S    S  C

$$
MTZ008-201100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
241 PM MST Sun Nov 19 2017

Date          Sun 11/19/17      Mon 11/20/17            Tue 11/21/17         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          44          31          49          36
Temp             32 29 29 29 31 31 41 43 36 35 35 32 32 32 42 49 43 36 38 40 40
Dewpt            18 17 17 18 18 21 27 32 29 31 30 28 26 27 30 38 36 31 32 35 32
RH               56 60 60 63 58 66 57 65 75 85 82 85 78 81 62 66 76 82 79 82 73
Wind dir          S  S  S  S  S  S  S SW SW  S  S SW  S  S  S  S  S  S  S  S  S
Wind spd         13 17 17 17 16 11 16 17 13 12 10 10 12 12 10 11 12 11 11 11 11
Wind gust        27       28
Clouds           B1 SC SC FW B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5          30          30          20          20
QPF 12hr                      0        0.02           0           0        0.02
Snow 12hr                 00-00           T       00-00
Rain                                                              S  S  S  S  S
Rain shwrs                          C  C  C  C  S           S  S
Snowshwrs                     C  C  C              S  S  S


Date           11/22/17  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          56      35    56      35    49      27    43      26    44
Temp          55 50 40   36 55 50 40   36 49 43 31   28 42 38 29   27 42 42
Dewpt         41 40 32   29 37 39 32   29 35 28 23   24 29 24 22   22 29 30
PWind dir         S       S     S       S    SW      SW     S       S     S
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B1 B1   B1 B1 B1 SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr         20      10    10      10    20      30    20      10    10
Rain           S                              S          S
Snow                                                  C  S

$$
MTZ011-201100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
241 PM MST Sun Nov 19 2017

Date          Sun 11/19/17      Mon 11/20/17            Tue 11/21/17         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          38          12          31          24
Temp             46 46 46 43 43 34 35 31 25 21 16 14 12 16 23 31 25 24 29 40 44
Dewpt            24 25 26 25 32 28 26 17 17 15 12  9  7 11 13 20 18 20 26 36 38
RH               42 43 45 49 65 78 69 56 71 77 84 80 80 80 65 63 74 84 88 85 79
Wind dir         SW SW SW SW SW  W NW  N  N  N  N  N NE  E  E  E SE SE  S SW SW
Wind spd         21 23 21 17 19 12 10 10 11  8  5  5  4  4  5  5  5  5  5  9 13
Wind gust           36 33 29 29
Clouds           B2 OV B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 OV B2 B2
PoP 12hr                      5          20          30          20          30
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain                                                                       C
Rain shwrs                    S
Snow                                                              C  C  C
Snowshwrs                        S        C  C              S  S


Date           11/22/17  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          57      35    59      36    50      25    39      22    38
Temp          56 51 37   38 56 56 42   37 49 45 28   27 39 33 23   24 35 37
Dewpt         47 42 33   33 44 43 37   30 37 29 23   22 27 26 21   21 27 28
PWind dir         W      SW    SW       W     W       W     W       N    SE
Wind char        BZ      GN    BZ      GN    GN      GN    GN      LT    GN
Avg clouds    B1 SC SC   SC SC SC SC   SC B1 SC SC   SC SC SC SC   B1 B1 B2
PoP 12hr         10      10     5      20    10      10     5       5    10
Rain                               S

$$
MTZ051-201100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
241 PM MST Sun Nov 19 2017

Date          Sun 11/19/17      Mon 11/20/17            Tue 11/21/17         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                      36          44          21          43          38
Temp             36 40 40 38 36 37 44 38 30 26 22 21 22 27 34 43 37 40 43 46 51
Dewpt            14 16 16 15 21 25 30 29 25 24 20 19 19 24 28 33 33 36 38 41 44
RH               40 37 37 38 54 61 57 70 81 92 92 92 88 88 78 67 85 85 82 83 77
Wind dir         SW SW SW SW SW SW  W NW NW NW NW NW  S  S  S SW  S SW SW SW  W
Wind spd         17 19 20 21 23 12 19 13 10  6  8  4  4  6  8  8  8  9 12 12 17
Wind gust              32 32
Clouds           SC B2 B2 B2 B1 OV B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
PoP 12hr                      0          30          30          20          20
QPF 12hr                      0        0.01        0.02           0        0.02
Snow 12hr                 00-00       00-00           T
Rain                                                              S  S  S  S
Rain shwrs                          C  C                    S  S
Snowshwrs                              C  C  C  S  S  S  S


Date           11/22/17  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          61      42    62      40    50      28    42      26    41
Temp          61 52 44   44 62 52 44   41 50 41 31   29 42 32 29   27 41 34
Dewpt         43 38 36   36 40 38 35   33 31 27 24   24 29 22 24   23 30 25
PWind dir         W      SW    SW       W     W       W     W      SW     S
Wind char        BZ      GN    GN      BZ    GN      GN    GN      GN    LT
Avg clouds    B1 SC SC   SC SC SC SC   SC B1 B1 B1   SC SC SC SC   B1 B1 B2
PoP 12hr          5       5     5      10    20      10    20      20    20
Rain                                       S  S          S             S  S
Snow                                                     S     S    S  S  S

$$
http://www.weather.gov/greatfalls



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