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Point Forecast Matrices
National Weather Service Great Falls MT
343 AM MDT Thu Oct 19 2017

MTZ012-192300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
343 AM MDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      75          48          60          36          52
Temp             52 52 71 74 68 57 54 51 50 49 59 54 46 43 39 40 36 38 49 51 50
Dewpt            28 27 27 23 33 30 32 29 31 32 35 32 29 30 27 28 25 24 23 20 25
RH               39 38 19 15 27 35 43 42 48 52 40 43 51 60 62 62 64 57 36 29 37
Wind dir          S  S SW SW SW  S  S  S  S SW  W  W  W  W SW SW SW SW  W  W SW
Wind spd         21 20 27 26  9 11 10 10 12 12 20 27 23 26 24 23 21 23 27 28 21
Wind gust              39 36                      39    36             37 39
Clouds           SC SC SC SC FW SC SC FW B1 B1 B2 OV B2 B1 B1 B1 SC SC FW FW B1
PoP 12hr                      0           0          30          10           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C


Date               Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            45    64      45    57      38    60      42    66
Temp          49   54 62 59 52   45 56 52 40   39 56 59 47   44 65 58
Dewpt         34   41 37 35 39   34 27 26 27   29 29 30 31   31 34 30
PWind dir          SW    SW       W     W       W    SW      SW    SW
Wind char          WY    WY      WY    BZ      GN    GN      GN    BZ
Avg clouds    B1   B2 B1 B1 B1   B1 B1 SC SC   SC FW FW FW   FW FW FW
PoP 12hr           20    20      20    10       5     5       0     5
Rain shwrs          S     S  S

$$
MTZ010-192300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
343 AM MDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      68          40          55          33          50
Temp             47 47 64 68 61 52 47 43 41 42 53 53 47 42 39 36 33 35 46 50 45
Dewpt            31 30 28 25 26 30 30 31 33 34 33 28 28 28 27 26 25 24 22 23 24
RH               53 51 25 20 26 43 51 62 73 73 46 38 47 57 62 67 72 64 38 34 43
Wind dir         SW  S SW SW SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd         25 21 29 31 12  9  6  5  9 11 23 27 31 32 25 23 27 29 29 29 26
Wind gust        35    42 43                   33 39 43 44       37 41 42 42 41
Clouds           B2 B2 B1 B1 B1 B2 B2 B1 B1 B1 B2 B2 B1 SC SC SC SC FW FW SC B1
PoP 12hr                      0          10          10          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S


Date               Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            38    59      40    54      33    57      37    62
Temp          39   45 57 53 46   40 53 50 35   35 54 56 43   39 60 54
Dewpt         29   38 36 33 36   33 27 27 27   30 32 31 31   31 35 27
PWind dir          SW     W       W     W       W    SW      SW     W
Wind char          WY    VW      WY    WY      GN    GN      GN    BZ
Avg clouds    B1   B2 B1 B1 B1   SC SC SC SC   SC SC FW FW   FW FW SC
PoP 12hr           20    30      20    10       5     5       0     5
Rain shwrs     S    S  S  C  S

$$
MTZ014-192300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
343 AM MDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      73          42          54          34          52
Temp             43 44 63 73 69 59 51 46 44 43 51 49 46 43 38 39 36 35 46 51 51
Dewpt            32 33 32 23 26 23 28 30 33 34 34 31 24 32 28 31 29 26 22 22 27
RH               65 65 31 15 20 25 41 53 65 70 52 50 42 65 67 73 75 69 38 32 39
Wind dir         SE SE  S  S  S  S  S  S  S SW  W  W  W  W SW  W  W  W  W  W SW
Wind spd          5  4 12 14  6  6  5  5  5  8 16 19 13 10  9  9  9 10 17 17 13
Clouds           FW CL CL FW CL FW FW SC B1 B1 B2 OV B2 B1 B1 B1 SC SC SC SC B2
PoP 12hr                      0           0          40          10           5
QPF 12hr                      0           0        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C                          S


Date               Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            42    65      44    58      37    61      37    66
Temp          43   45 62 64 51   44 54 57 42   38 56 60 45   38 63 62
Dewpt         30   37 40 39 40   35 31 32 33   32 35 32 34   32 35 36
PWind dir          SW    SW      SW     W       W    SW      SW    SW
Wind char          GN    BZ      GN    GN      GN    LT      LT    LT
Avg clouds    B2   B2 B1 B1 B1   B1 B1 SC SC   SC FW FW FW   FW FW FW
PoP 12hr           20    30      20    10       5     5       0     5
Rain shwrs     S          C  S    S

$$
MTZ055-192300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
343 AM MDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      74          41          60          30          50
Temp             40 42 65 74 66 50 45 41 42 44 57 49 43 38 33 32 31 31 45 50 48
Dewpt            32 32 30 22 27 30 30 30 33 35 33 32 33 32 28 27 27 26 24 22 26
RH               73 67 27 14 23 46 55 65 70 70 40 52 67 79 82 81 85 81 43 33 42
Wind dir         SE  S SW SW  S SE SE SE SE  S SW  W  W  W SW SW SW SW  W  W SW
Wind spd          6  5 10 16 10 11  8  5  5  6 20 19 10 10  9  8  8  9 13 18 11
Clouds           FW CL CL CL CL FW SC SC SC B1 OV OV OV B2 B1 B2 B1 SC SC SC B1
PoP 12hr                      0           0          60          40          10
QPF 12hr                      0           0        0.06        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      L  L  C  C                    S
Snowshwrs                                                C  S  S


Date               Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            37    64      42    58      33    59      33    64
Temp          40   41 61 63 50   42 56 55 37   34 54 58 40   34 61 60
Dewpt         30   34 40 40 42   36 32 32 30   29 31 34 32   29 33 37
PWind dir          SW    SW      SW     W       W    SW       S    SW
Wind char          GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    B1   B2 B2 B1 B2   B1 B2 B1 SC   SC FW FW FW   FW FW SC
PoP 12hr           20    30      30    20       5     5       0     5
Rain shwrs     S    S  S  C  S    C  S

$$
MTZ055-192300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
343 AM MDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      60          30          46          23          36
Temp             28 33 53 60 55 41 37 34 32 32 44 42 37 32 28 25 23 25 33 36 33
Dewpt            24 22 20 19 23 25 22 27 29 27 33 35 24 28 25 24 22 22 19 23 22
RH               85 63 27 20 29 52 54 75 88 81 65 76 59 85 88 96 96 88 56 59 63
Wind dir         SE SE  S SW  S  S  S SW  S  S SW SW SW  W SW SW SW SW SW SW SW
Wind spd          5  5 10 16 11  6  5  6  6 10 20 20 13 11  8  8  8  8 17 19 12
Clouds           CL FW FW FW FW FW FW SC SC B1 OV OV B2 B2 B2 B2 B2 B2 B1 B1 B2
PoP 12hr                      0           5          70          70          30
QPF 12hr                      0           0        0.22        0.07        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   C  L  L
Snowshwrs                                 C           L  L  C  C  C  C  S  S  C
Tstms                                              S


Date               Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            27    47      30    47      25    48      25    52
Temp          29   27 43 47 37   30 45 45 31   26 44 47 31   26 48 50
Dewpt         25   25 34 34 32   28 29 29 27   24 27 33 28   24 29 34
PWind dir          SW    SW      SW     W       W    NW       S     S
Wind char          GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B1 SC   FW SC FW FW   FW FW FW
PoP 12hr           40    40      30    20       5     5       0     0
Rain shwrs             C  C  S    C  S
Snowshwrs      C    C  C          C  S

$$
MTZ008-192300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
343 AM MDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      71          41          52          27          46
Temp             41 42 63 71 63 51 47 44 42 44 49 47 42 34 30 29 28 28 41 46 44
Dewpt            27 26 25 23 25 28 31 30 31 33 34 32 23 27 23 23 21 21 17 21 25
RH               57 53 23 16 23 41 53 57 65 65 56 56 46 75 75 78 75 75 37 37 47
Wind dir          S  S  S  S  S  S  S  S  S  S SW  W  W SW SW SW SW SW SW SW SW
Wind spd         11 10 14 19 17 14 10  9 12 14 21 18 17 12 10 11 10 10 14 17 12
Clouds           CL CL CL CL FW CL FW FW SC B1 B2 OV B2 B2 B1 SC SC SC SC B1 B2
PoP 12hr                      0           0          40          10           5
QPF 12hr                      0           0        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C                          S
Snowshwrs                                                                     S


Date               Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            34    58      38    55      32    57      34    62
Temp          35   39 56 56 44   38 54 51 36   33 53 55 39   36 59 59
Dewpt         26   32 37 34 34   29 29 29 27   25 31 31 30   27 33 35
PWind dir           S     S      SW     W       W    SW       S     S
Wind char          GN    GN      GN    GN      GN    LT      GN    GN
Avg clouds    B2   B2 B1 B1 B1   B1 B1 SC SC   FW FW FW FW   FW FW FW
PoP 12hr           20    30      20    10       5     5       0     0
Rain shwrs     S    S  S  C  S    S
Snowshwrs      S

$$
MTZ011-192300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
343 AM MDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      75          43          63          36          55
Temp             50 51 68 75 68 55 50 46 44 45 59 62 56 46 43 40 37 37 50 55 51
Dewpt            42 38 34 27 31 35 35 34 36 32 33 32 31 33 31 32 30 27 28 23 24
RH               74 61 28 17 25 47 56 63 73 60 37 32 38 60 62 73 75 67 42 29 34
Wind dir         SW SW SW SW  S SE SW SW  S  S  W  W  W  W  W  W  W  W  W  W  W
Wind spd         14 13 28 26  6  5  4  6  4  4 16 24 23 23 23 24 20 24 27 24 17
Wind gust              40 36                               33 34       37
Clouds           B1 SC SC FW SC CL SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 SC FW FW SC
PoP 12hr                      0           0          20          20          10
QPF 12hr                      0           0        0.01        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  S  S  S  S


Date               Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            37    66      41    58      31    58      37    66
Temp          37   44 63 63 50   41 56 54 37   32 53 57 44   38 62 62
Dewpt         25   36 40 38 39   34 33 23 27   27 32 32 34   32 40 34
PWind dir          SW    SW       W     W       W     W      SW    SW
Wind char          BZ    WY      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC   SC B2 B1 B1   B1 SC SC SC   SC FW FW FW   FW FW FW
PoP 12hr           10    10      30     5       5     5       0     5
Rain shwrs                   C    S

$$
MTZ051-192300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
343 AM MDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      75          45          63          33          49
Temp             46 51 71 74 67 53 51 48 46 48 63 56 46 40 36 35 33 35 45 48 46
Dewpt            31 33 27 22 29 29 28 29 27 29 29 33 34 30 27 27 25 24 20 19 22
RH               55 50 19 14 24 39 41 47 47 47 27 42 63 67 69 72 72 64 36 31 38
Wind dir          S  S SW SW  S  S  S  S  S  S SW  W  W  W  W  W  W  W  W  W  W
Wind spd         14 14 20 20 10 10 10  9  9  9 19 24 23 20 20 18 17 18 23 23 14
Wind gust                                         34                      33
Clouds           SC FW FW FW FW FW FW FW SC B1 B2 OV B2 B1 SC B1 SC SC FW FW SC
PoP 12hr                      0           0          40          30           5
QPF 12hr                      0           0        0.02        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  C  C


Date               Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            38    63      40    53      34    58      37    66
Temp          40   47 60 60 50   40 51 50 38   35 56 55 43   39 65 54
Dewpt         30   35 35 39 39   29 28 29 29   27 27 32 30   24 29 31
PWind dir           W     W       W     W       W     W      SW     W
Wind char          BZ    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC   B1 B1 B1 B1   B1 B1 SC SC   SC FW FW FW   FW FW FW
PoP 12hr           20    10      20    20       5     5       0     5
Rain shwrs          S        S    S  S

$$
weather.gov/greatfalls




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